EP0344390B1 - Schienenschleifmaschine - Google Patents

Schienenschleifmaschine Download PDF

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Publication number
EP0344390B1
EP0344390B1 EP88810348A EP88810348A EP0344390B1 EP 0344390 B1 EP0344390 B1 EP 0344390B1 EP 88810348 A EP88810348 A EP 88810348A EP 88810348 A EP88810348 A EP 88810348A EP 0344390 B1 EP0344390 B1 EP 0344390B1
Authority
EP
European Patent Office
Prior art keywords
chassis
axle
articulated
grinding
axles
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
EP88810348A
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English (en)
French (fr)
Other versions
EP0344390A1 (de
Inventor
Fritz Bühler
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.)
LES FILS D'AUGUSTE SCHEUCHZER SA
Original Assignee
LES FILS D'AUGUSTE SCHEUCHZER SA
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 LES FILS D'AUGUSTE SCHEUCHZER SA filed Critical LES FILS D'AUGUSTE SCHEUCHZER SA
Priority to EP88810348A priority Critical patent/EP0344390B1/de
Priority to DE8888810348T priority patent/DE3868631D1/de
Priority to AT88810348T priority patent/ATE72851T1/de
Priority to US07/352,133 priority patent/US4951424A/en
Priority to CA000600154A priority patent/CA1320051C/en
Priority to AU35049/89A priority patent/AU612842B2/en
Priority to JP1131662A priority patent/JPH02147705A/ja
Priority to DD89329001A priority patent/DD283850A5/de
Publication of EP0344390A1 publication Critical patent/EP0344390A1/de
Application granted granted Critical
Publication of EP0344390B1 publication Critical patent/EP0344390B1/de
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
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/004—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding rails, T, I, H or other similar profiles
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/13—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by milling

Definitions

  • the present invention relates to a rail grinding machine equipped with at least one carriage guided by at least one rail row, and provided with two end axles and at least one grinding head per rail row, each head grinding wheel carrying at least one peripheral grinding wheel and being installed in an adjustable manner between the two end axles.
  • a grinding machine of this type is known from patent DE-C-28 43 649 of the applicant, allowing the elimination of corrugations and the reprofiling of the rails, and also from European patent application EP-A-0315704 of the applicant allowing the reprofiling of the rail mushrooms, this machine being equipped with at least one grinding head per row of rails which is displaceable in height by at least one lifting device.
  • FIGS 1 to 3 illustrate, by way of example, the known state of the art.
  • Figure 1 a grinding machine known from the above-mentioned European patent application EP-A-0315704 formed by a grinding car 1 with two axles 2, movable on track R and provided with a grinding carriage 3 equipped with grinding heads T with grinding wheels M.
  • This grinding carriage 3 is suspended by jacks 4 from the chassis of car 1, so as to be movable relative to car 1, to be able to fit into the curves and to be lifted when walking high.
  • FIG. 2 is a schematic view from above of the lower part of the carriage 3 on a larger scale, it is supported by two axles 10A, 10B, provided with wheels A, A ′, respectively B, B ′ and connected by a frame 10 and comprises on each row of rails R1, R2 four heads grinding T each supporting a peripheral grinding wheel M1, M2, M3, M4, respectively M5, M6, M7, M8.
  • Each grinding head T is suspended in an articulated manner in the chassis 10 around a horizontal axis 7 and a vertical axis 8; around the horizontal axis 7 each head can be lifted, independently of the others, by a jack 5 diagrammatically indicated in FIG. 1 and the upper end of which is articulated to the chassis 10 of the carriage.
  • Each grinding head is further connected to the frame 10 of the carriage 3 by a connecting rod S which is articulated at 6 to the frame 10 and at 6 ′ to the frame of the grinding head T.
  • These connecting rods are adjustable to determined lengths, and guide the grindstones.
  • the two axles 10A, 10B of the carriage are supported, using hydraulic cylinders 9 supported by a stop of the chassis of the car 1, against the inside of one of the rows of rails, in this case the rail R1.
  • the adjustable suspension of the grinding heads can be that described in patent DE-C 28 43 649 of the applicant.
  • the grinding wheels are positioned on the straight line determined by the wheels A, B respectively A ′, B ′ of the carriage 3 located on the same side, and their point of contact with the rails is defined by the points C1 to C4 ( Figure 3) .
  • the grinding wheels are maintained on the straight line between said wheels, which causes a lateral displacement f1, f2, f3, f4 of the actual contact point C1 to C4 of the grinding wheels relative to the points C′1 to C′4 wanted on the axis of the rail line.
  • This displacement, or deflection is a function of the radius of curvature and the position of the grinding wheel relative to the ends of the arc between A and B.
  • the grinding wheels take the combined profile of rails, this profile changing according to the values of the arrow in the curves; therefore at each entry and exit of the curves the grinding wheels must change their profile, which causes in the transition zones a modification of the profile of the rail.
  • the present invention aims to provide a grinding machine for guiding the grinding wheels as a function of the curve of the track and, thereby, the compensation, at least approximate, of the arrows of the rail curve.
  • the machine according to the invention is characterized by the characteristic clause of claim 1.
  • FIG. 1 is a side view of a grinding machine equipped with a grinding carriage carrying four grinding heads per row of rails with peripheral wheels and illustrating the prior art.
  • Figure 2 is a top view of a grinding carriage corresponding to the previous figure.
  • Figure 3 is a schematic view showing the arc of a rail in a curve, as well as the lateral displacement of the point of contact of the grinding wheels with the rail relative to the straight line.
  • Figure 4 shows a schematic top view of a grinding carriage according to a first embodiment of the invention.
  • FIG. 5 is a view illustrating the operation of the embodiment according to FIG. 4.
  • Figure 6 is a partial schematic view of a second embodiment of the invention in which only the grinding heads and their positioning members have been shown for one of the rows of rails.
  • FIG. 7 is a view illustrating the operation of the embodiment according to FIG. 6.
  • FIG. 8 is an enlarged variant of the second embodiment according to FIG. 6.
  • Figure 9 is a partial schematic view of a third embodiment of the invention.
  • Figure 10 is a schematic view illustrating a fourth embodiment of the invention in which the intermediate axles and their frames are telescopic, the grinding heads being only symbolized by the contact points of the grinding wheels on the rails.
  • Figure 11 is a variant of the embodiment according to Figure 10 and corresponds to half of it, but in which the chassis of a carriage further comprises grinding heads in cantilever.
  • Figures 12 to 14 show schematic views of three other embodiments of the invention comprising a measuring frame and an indirect guide system of the grinding heads, said grinding heads and their positioning members being only shown for one of the lines of rails.
  • Figures 15 to 17 show an embodiment similar to Figures 12 to 14, with the measuring frame and the two-part guide system.
  • FIG. 18 shows an embodiment using cylinders controlled by a probe as a positioning member by means of a calculation unit.
  • FIG 4 there is shown a first simplified embodiment of a grinding carriage according to the invention. It consists of a first chassis 11 with two axles 10A and 10C, provided with wheels A, C, having the shape of a short carriage, followed by a second chassis 12 with a single axle 10D, provided with wheels D, articulated at first chassis 11 at point 13, and another chassis 14 to an axle 10B, fitted with wheels B and articulated at point 15 to the second chassis 12.
  • the chassis with an axle 12 and 14 are said bissels consisting of an axle 10D, respectively 10B, the chassis of which has the shape of a tail which extends from the middle of the axle to only one side. It is the end of this tail which forms the point of articulation.
  • the chassis with a single axle are bissels which will be referred to in the following description.
  • the wheels C and D of the intermediate axles 10C and 10b are intended to function as feelers which follow the rail.
  • Each of the chassis, at the axles 10A, 10B, 10C, 10D, is pressed against the inner side of the rail R1 by means of hydraulic cylinders 9A to 9D which are connected by their other end to the chassis 1 of the grinding car.
  • Each chassis of the grinding carriage comprises, in the example shown, on each side, a grinding head carrying peripheral grinding wheels M1 to M6, the grinding heads T1 to T3, with the grinding wheels M1 to M3, for the rail R1, and grinding heads T4 to T6, with grinding wheels M4 to M6 for the rail R2.
  • Each grinding head is articulated to the corresponding chassis, as shown in Figure 4, around a horizontal axis 7 and a vertical axis 8 allowing the lifting and positioning in the transverse direction of each head.
  • Each grinding head is guided by a guide rod S1, S2, S3, S4, S5, S6, one end of which is articulated in 6 ′ to the head while the other end is articulated in 6 to the corresponding chassis.
  • the connecting rods can be adjusted to a desired length.
  • FIG. 5 on which is illustrated schematically the operation of the carriage of FIG. 4, represented only with respect to a line of rails, in this case the line R1, it can be seen that on curve A , B defined by the two wheels A and B of the two end axles 10A, 10B, the three articulated chassis of the carriage fit closer to said curve.
  • Figure 6 shows a more efficient embodiment of the invention. We have only shown the longitudinal half of the carriage cooperating with the rail R1, the other half which cooperates with the rail R2 having the same construction.
  • the carriage consists of two end axles 10A, 10B with the wheels A, respectively B, connected by a frame 10, of a bissel formed by an axle 10C provided with the wheels C and d 'a frame 16 as well as a guide bar 18.
  • the end of the frame 16 is articulated at 17 to the axle 10A, therefore at the corresponding end of the frame 10, and the guide bar 18 is articulated between the axle 10C of the bissel, at point 19, and axle 10B, at point 20, therefore at the other end of the frame 10.
  • the articulation point 20 can be moved in an oblong hole to compensate for the variation in the distance between axles 10C and 10B in a curve.
  • the bissel with its chassis 16 guides, on each side, two grinding heads, of which there has been illustrated in FIG. 6 only those cooperating with the rail R1, namely, the grinding heads T1, T2 with the grinding wheels M1, M2.
  • This guidance is done by means of the connecting rods S1 and S2, articulated at 6 on the chassis 16 and at 6 ′ on the corresponding grinding head which can rotate, as in the previous embodiments, around the vertical axis 8 and the horizontal axis 7, housed in the frame 10.
  • the connecting rods S7 and S8 have been indicated.
  • the guide bar 18 guides on each side two grinding heads, of which there has been illustrated in FIG. 6 only those cooperating with the rail R1, namely the grinding heads T5, T6 with the grinding wheels M5 , M6, connected to said bar 18 by the connecting rods S5, S6.
  • the grinding wheels located on the other side are only represented by the connecting rods S11 and S12.
  • the three axles, respectively the bissel and the guide bar 18, are pressed against the rail R1 by jacks 9A, 9B, 9C which are pressed against the chassis of the car 1, the wheel C on the line of rails R1 forms the probe that follows this line of rails.
  • FIG. 7 represents the operation of the carriage of FIG. 6 in a curve A B.
  • the dimension and the arrangement of the connecting rods S1, S2, etc. are such that if the axle 10C is moved transversely, the displacement of the chassis 16 of the bissel, respectively from the guide bar 18, relative to the chassis 10, the distances f1 ′, f2 ′, f5 ′, f6 ′ at the articulation points of the connecting rods, positions the grinding wheels M1, M2, etc., by pivoting the heads of grinding T1, T2, etc. around their vertical axis 8, in the transverse direction, by a distance which compensates for the arrows f1, f2, f5, f6 at the points of contact with the rail R1.
  • a good result is achieved with a single intermediate axle.
  • the embodiment of the carriage according to FIG. 8 differs from that of FIG. 6 by the presence of a second bissel comprising an axle 10D with the wheels D, and a chassis 21, this second bissel being inserted between the first bissel with axle 10C and chassis 16, and guide bar 18.
  • the chassis 21 of this second bissel is articulated to the axle 10C of the first bissel in 22 while the guide bar 18 is articulated at 19 to the axle 10D.
  • the frame 21 of the second bissel, in the middle of the carriage, also guides on each side two grinding heads; only those cooperating with the rail R1 have been shown, namely, the grinding heads T3, T4, with the grinding wheels M3, M4 guided by means of articulation connecting rods S3, S4; only the connecting rods S9 and S10 being shown as an element belonging to the second side.
  • a jack 9D fixed to the chassis 1 of the car, also presses the axle 10D against the rail R1, the wheels C and D functioning as feelers.
  • the carriage comprises two end axles, the axle 10A with the wheels A, and the axle 10B with the wheels B, which are connected to the common frame 10.
  • each end axle is articulated a bissel, one formed from the axle 10C with the wheels C and from the chassis 16 which is articulated at 17 to the axle 10A, the other formed from the axle 10D with the wheels D and the chassis 23 which is articulated at 24 on the end axle 10B.
  • the two bissels are therefore inverted with respect to each other and are not connected to each other.
  • each chassis 16 respectively 23, a portion which extends overhang 16 ′, respectively 23 ′ guiding on each side a grinding head by means of the connecting rods S3, S4, respectively S9, S10; only the grinding heads T3 and T4 with the grinding wheel M3, respectively M4, cooperating with the rail R1, are shown.
  • This embodiment offers the possibility of having on each side not only two grinding heads inside the bissel, namely the grinding heads T1, T2, respectively T5, T6, but also, on each side, a additional grinding head outside the bissel T3, respectively T4. Therefore, with this embodiment, one can guide, by means of a single bissel, at least three grinding wheels on each side, and this inside and outside the bissel itself.
  • jacks 9A to 9D fixed to the chassis 1 of the car support the axles 10A to 10D against the rail R1, the wheels C, D of the intermediate axles forming the feelers.
  • FIG. 10 shows an embodiment of a carriage which compensates for the variation in the spacing of the rails.
  • This carriage is shown schematically, the grinding heads are only symbolized by the points of contact of the grinding wheels M1, M2, etc. with the rail, omitting all the other details.
  • This embodiment generally resembles that of FIG. 9 with two bissels arranged inversely between the two end axles 10A, 10B, with the wheels A, A ′, respectively B, B ′, connected by the frame 10.
  • each bissel is formed of two parts in a telescopic manner in the transverse direction, one for each rail R1, R2.
  • the first bissel has a part composed of a fixed half-frame 25 to section 10C of its telescopic axle with wheel C, and another part composed of a half-frame 26 fixed to section 10C ′ of its axle with wheel C ′.
  • the second bissel has a part composed of a half-frame 28 fixed to section 10D of its telescopic axle with the wheel D, and another part composed of a half-frame 29 fixed to section 10D ′ of its axle with the wheel D ′.
  • the parts 25, 26 of the chassis of the first bissel are articulated by their ends at point 27 at the axle 10A
  • the parts 28, 29 of the chassis of the second bissel are articulated by their ends at point 30 at the axle 10B.
  • each bissel The two parts of each bissel are separable from each other and subjected to a spreading force, such that the wheels C, C ′ and D, D ′ forming independent feelers on the two sides of each axle are pressed against the rails R1, R2.
  • Each chassis part guides, by connecting rods S1, S2, respectively S5, S6 the grinding wheels M1, M2, M5, M6 and by connecting rods S7, S8, respectively S11, S12, the grinding wheels M7, M8 , M11, M12, independently for each row of rails.
  • Figure 11 which shows a variant of the embodiment according to Figure 10, however, represents only one of these bissels, namely that articulated to the axle 10A, with the parts 25, 26 of the chassis and the sections 10C and 10C ′ of the axle.
  • a cantilever part 25 ′, 26 ′ beyond the two parts 10C, 10C ′ of the telescopic axle, in the extension of the parts 25 , 26 of the chassis, which allows guiding an additional grinding wheel M3, M9 by a line of rails via the connecting rods S3, S9.
  • the construction of the bissels, respectively of the chassis, and of the axles in two parts can of course be of any other design than that shown in FIGS. 10 and 11. It is also possible that the chassis of the embodiments according to FIGS. 4 to 9 are also made in two separable parts, the guide bar 18 according to Figure 6 is in this case also doubled.
  • the grinding heads are guided directly by the bissels, respectively the frames or the guide bar.
  • FIGS. 12 to 14 there are shown embodiments in which the carriage comprises a system for guiding the heads of indirect grinding, this system being controlled by a measuring bissel.
  • this system being controlled by a measuring bissel.
  • end axles 10A, 10B with the wheels A, B are connected by a frame 10, as in the previous embodiments.
  • a first bissel formed by an axle 10C with wheels C acting as feelers and a frame 31 which is articulated at point 32 to the end axle 10A .
  • This bissel works like a measurement bissel and guides a system of levers.
  • This system includes a bent LC control lever articulated at one of its ends at 33 to the chassis 31 and whose elbow is articulated at the point P on the frame 10, a bent guide lever L3 articulated at one of its ends to a connecting rod S3 and whose elbow is also articulated to the frame 10, at point P3, as well as a bar L connecting in a way pivoting the other two ends of these two levers LC and L3.
  • the guide lever L3 guides, via the connecting rod S3, a grinding head with a grinding wheel M3.
  • the chassis 31 of the measuring bissel also directly guides two grinding heads with grinding wheels M1, M2, by means of connecting rods S1, S2.
  • the four axles 10A, 10B, 10C, 10D are, as in the previous embodiments, supported by pneumatic or hydraulic cylinders 9A, 9B, 9C, 9D against the rail, while the bar L of the lever system is prestressed. by a jack 9L which rests on a stop of the frame 10, in the direction applying the wheels C, D against the rails, in order to avoid any play in the system of levers. In the presence of the cylinder 9L, it is possible to dispense with the cylinder 9C.
  • the same measurement bissel consisting of an axle 10C with wheels C and a chassis 31, controls a system of levers also comprising two angled levers, namely a control lever LC and a guide lever L4 articulated to the points P, respectively P4, on the frame 10 and connected by a common bar L.
  • the control lever LC serves both as a guide lever guiding, via a connecting rod S3 a grinding head with grinding wheel M3, while the other lever L4 guides a grinding head with grinding wheel M4, via a connecting rod S4.
  • no other bissel is provided.
  • the carriage again comprises a bissel formed by an axle 10C, with wheels C serving as feelers, and by a frame 31 articulated at point 32 at the end axle 10A .
  • the chassis does not guide grinding heads directly
  • the system of levers comprises, in addition to the control lever LC, four guide levers L1, L2, L3, L4, each being articulated at a point P1, P2, P3, P4 to the frame 10 and pivotally connected to the common bar L, these levers guiding four grinding heads with grinding wheels M1 to M4, by means of connecting rods S1 to S4. Because of the length of the common bar L, two cylinders 9L have been provided which exert a prestress on the system of levers to avoid the play of said levers.
  • carriages according to Figures 13 and 14 also have cylinders, which have not been illustrated, similar to the cylinders 9A, 9B according to Figure 12, which apply the end axles 10A, 10B against one of the rails.
  • the length and arrangement of all the levers is such that in a curve, the measuring bissel which measures the deflection at the location of the probe moves the grinding wheels by pivoting of the guide levers so that the arrows at the contact points of these wheels with the rail are compensated.
  • the common bar L all the guide levers make a synchronous movement controlled by function of the movement of the LC control lever.
  • the transverse displacement fm representing the arrow, of the probe C which follows the rail has been indicated in a curve.
  • the transverse movement f1 ′, f2 ′, respectively f3 ′ results from the end of the rod S1 and S2, respectively from the guide lever L3 relative to the frame 10, which compensates for the deflection f1 , f2, respectively f3 at the point of contact of the grinding wheel M1, M2, respectively M3 with the rail.
  • two end axles 10A, 10B are also provided with the wheels A, A ′, B, B ′ on the rails R1, respectively R2, and the two end axles are connected by the box 10.
  • the measuring bissel is in two parts, namely a half-bissel comprising the chassis 36 and the half-axle 10C and a half-bissel comprising the chassis 37 and the half-axle 10C ′, the two chassis being articulated at 38 to l end axle 10A.
  • Each chassis 36, 37 guides directly, via the connecting rods S1, S2 respectively S7, S8, the grinding wheels M1, M2, respectively M7, M8.
  • each chassis 36 and 37 is articulated an LC control lever, respectively LC ′ which, in this embodiment, extends essentially in the vertical direction, as illustrated in FIGS. 16 and 17.
  • the other end of the LC lever is fixed to a common bar L, while the other end of the lever L 'is fixed to a common bar L ′.
  • These two bars L, L ′ are, according to this embodiment, parallel rotary shafts which extend longitudinally and are pivotally housed in bearings 39 of the frame 10.
  • three guide levers are fixed, namely the levers L3, L4, L5 on the bar L for one of the sides, and three other levers, not visible in FIG. 15, on the bar L ′ for the other side.
  • each guide lever L11 is visible.
  • a connecting rod S3 to S5 on one side respectively S9 to S11 on the other side, guiding the grinding wheels M3 to M5 on the rail R1 , respectively M9 to M11 on rail R2.
  • the two half-bissels are separated from each other by a jack 9C for the frame 36 and a jack 9C ′ for the frame 37, as illustrated in particular in FIG. 16 where it can be seen that these jacks are articulated with the levers LC, LC ′ and rest against the stops of the frame 10.
  • a jack 9C for the frame 36 and a jack 9C ′ for the frame 37, as illustrated in particular in FIG. 16 where it can be seen that these jacks are articulated with the levers LC, LC ′ and rest against the stops of the frame 10.
  • the end axles 10A, 10B are applied against the rail R1 by jacks 9A, 9B.
  • control levers LC, LC ′ are used both for suspending the half-bissels from the frame 10.
  • the length of the guide levers is chosen so that, in the curves, the arrows at the locations of the points of contact of the grinding wheels with the rail are compensated.
  • These guide levers also make a synchronous movement, that is to say rotate in synchronism with the rotary shaft L, respectively L ′, around the axis of this shaft which will itself be rotated by the control lever.
  • LC, respectively LC ′ as a function of the probe stroke C, C ′.
  • these two bissels can be connected by a guide bar, such as the guide bar 18 according to FIG. 6, which would be articulated to each axle of the bissel, and which would serve supporting rods carrying additional grinding wheels, in this case, of course, the cantilevered sections would be dispensed with according to FIG. 9.
  • FIG. 18 a last embodiment of a carriage comprising two axles 10A, 10B, with the wheels A, B, connected by a frame 10, a feeler C, formed in this case by a wheel and its axle, a system for measuring the transverse displacement W of the feeler C, jacks V1 to V4 supported on one side by the frame 10 actuating the positioning of the grinding heads with grinding wheels M1 to M4, as well as a computer Z.
  • the lateral displacement fm of the probe C is measured using the measurement system W, the result is transmitted to the computer Z which calculates, as a function of this arrow measured fm, the arrows f1 to f4 at the point of contact of each wheel M1 to M4 and controls the cylinders V1 to V4 so that they position the wheels such that these arrows are compensated.
  • This positioning of the grinding heads is done with integrated measurement of their displacements.
  • the same system is provided for positioning the grinding heads on the other rail, this second system being able to be controlled by the same probe C, or by a second probe along the other rail.
  • the invention is not limited to the embodiments which have just been described, but allows many variants.
  • the probes are not necessarily formed by the wheels of the intermediate axles, but any other type of probe could be used, for example, probes sliding along the line of rails.
  • the grinding carriage is not necessarily suspended below the car, but provision could be made for a carriage forming an independent unit which would be pulled by the traction car.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Claims (19)

1. Schienenschleifmaschine mit wenigstens einem Schleiffahrgestell (3), das von wenigstens einem Schienenstrang geführt wird und welches mit zwei endseitigen Radachsen (10A, 10B) und je Schienenstrang (R1, R2) mit wenigstens einem Schleifkopf (T1 bis T6) ausgerüstet ist, welcher wenigstens eine peripherale Schleifscheibe (M1 bis M10) trägt und justierbar zwischen den beiden endseitigen Radachsen (10a, 10b) installiert ist, dadurch gekennzeichnet, dass das Schleiffahrgestell mit einem System zur Führung der Schleifköpfe (T1 bis T6), welches wenigstens einen zwischen den endseitigen Radachsen in Querrichtung verschiebbar installierten Schienentaster (C) aufweist und dazu eingerichtet ist, einem der Schienenstränge (R1) zu folgen, und mit Positionierungsorganen für die Schleifköpfe (T bis T6) ausgerüstet ist, wobei diese Positionierungsorgane durch den erwähnten Schienentaster (C) steuerbar sind und die Schleifköpfe (T1 bis T6) derart positionieren, dass der Berührungspunkt jeder Schleifscheibe (M1 bis M10) den Schienensträngen unabhängig von den Gleiskurven folgt.
2. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass das Schleiffahrgestell (3) aus mehreren Fahrwerken (11, 12, 14) zusammengesetzt ist, welche hintereinander angeordnet und gelenkig miteinander verbunden sind, dass wenigstens ein Fahrwerk ein zweiachsiges (10A, 10C) Fahrwerk (11) ist, während das andere Fahrwerk oder mehrere andere Fahrwerke einachsige (10B, 10D) Fahrwerke (12, 14) sind, dass die Räder (C, D) der zwischen den endseitigen Radachsen angeordneten Radachsen (10C, 10D) die Funktion der erwähnten Schienentaster haben und dass an jedem Fahrwerk wenigstens ein Schleifkopf (T1 bis T6) je Schienenstrang (R1, R2) mit Hilfe eines Lenkers (S1 bis S6) angelenkt ist, wobei diese Lenker und die gelenkig verbundenen Fahrwerke die erwähnten Positionierungsorgane zum Führen der Schleifscheiben (M1 bis M6) bilden (Figur 4).
3. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass die endseitigen Radachsen (10A, 10B) durch einen Rahmen (10) miteinander verbunden sind, dass die Positionierungsorgane aus wenigstens zwei gelenkig hintereinander angeordneten Elementen bestehen, die zwischen den endseitigen Radachsen (10A, 10B) montiert sind und durch wenigstens eine dazwischenliegende Radachse (10C) geführt werden, welche die erwähnten Schienentaster (C) trägt, und dass diese Elemente mit dem Rahmen (10) nur auf der einen Seite durch eine Gelenkverbindung (17, 27, 32) des ersten Elements (16; 25, 26; 31) in der Nähe einer der endseitigen Radachsen (10A) und auf der anderen Seite durch eine Gelenkverbindung (20, 24, 30, 35) des zweiten Elements (18; 23; 28; 29; 34) in der Nähe der anderen endseitigen Radachse (10B) verbunden ist, wobei an jedem Element wenigstens ein Schleifkopf (T1 bis T6), vorzugsweise zwei Schleifköpfe je Schienenstrang (R1, R2) mit Hilfe der Lenker (S1 bis S10) angelenkt sind.
4. Maschine nach Anspruch 3, dadurch gekennzeichnet, dass das erste Element ein einachsiges (10C) Fahrwerk (16) ist, gegebenenfalls gefolgt von wenigstens einem weiteren einachsigen Fahrwerk (21), welches am vorangehenden angelenkt ist und ebenfalls Schleifköpfe mit Hilfe der Lenker (S3, S4) führt, und dass das zweite Element eine Lenkstange (18) ist, deren eines Ende am Rahmen (10) in der Nähe der entsprechenden endseitigen Radachse (10B) und deren anderes Ende am benachbarten einachsigen Fahrwerk (16; 21) angelenkt ist, und dass diese Lenkstange (18) gleichfalls Schleifköpfe mit Hilfe von Lenkern (S5, S6) führt (Figuren 6, 7, 8).
5. Maschine nach Anspruch 3, dadurch gegennzeichnet, dass das erste Element ein einachsiges (10C) Fahrwerk (16; 25, 26; 31) ist, gegebenenfalls gefolgt von wenigstens einem weiteren einachsigen Fahrwerk, welches am vorangehenden angelenkt ist und ebenfalls Schleifköpfe mit Hilfe der Lenker führt, und dass das zweite Element auch ein einachsiges (10D) Fahrwerk (23; 28, 29; 34) ist, welches Schienentaster trägt, gegebenenfalls gefolgt von wenigstens einem weiteren angelenkten einachsigen Fahrwerk, welches ebenfalls Schienenköpfe mit Hilfe von Lenkern führt (Figuren 9, 10, 12).
6. Maschine nach Anspruch 5, dadurch gekennzeichnet, dass zwischen zwei benachbarten einachsigen Fahrwerken, deren Radachsen einander gegenüberliegen und welche an der einen Seite direkt oder vermittels wenigstens eines anderen Fahrwerks an eine der endseitigen Radachsen und an der anderen Seite direkt oder vermittels wenigstens eines anderen Fahrwerks an der andere endseitige Radachse angelenkt sind, eine Lenkstange montiert ist, die mit ihren beiden Enden gelenkig an den einander gegenüberliegenden Radachsen der beiden benachbarten Fahrwerke angebracht ist.
7. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass die endseitigen Radachsen (10A, 10B) durch einen Rahmen (10) miteinander verbunden sind, dass die Positionierungsorgane einerseits aus wenigstens einem einachsigen (10C) Fahrwerk (31; 36, 37), das als Messfahrwerk fungiert, wenigstens einen Schienentaster (C) trägt und direkt am Rahmen (10) in der Nähe einer der endseitigen Radachsen (10A) oder indirekt vermittels wenigstens eines weiteren angelenkten einachsigen Fahrwerks angelenkt ist, und andererseits aus einem System von Hebeln (LC, L1 bis L5) zur indirekten Führung der Schleifköpfe bestehen, dass dieses System von Hebeln durch den erwähnten Schienentaster (C) steuerbar ist und dass alle Hebel dieses Systems eine Abmessung derart haben, dass sie, wenn vom Messfahrwerk die Pfeilhöhe (fm) einer Kurve am Ort des Gleistasters (C) gemessen wird, die an den Berührungspunkten der Schleifköpfe auftretenden entsprechenden Pfeilhöhen (f1, f2....) ausgleichen (Figuren 12 bis 15).
8. Maschine nach Anspruch 7, dadurch gekennzeichnet, dass das erwähnte System von Hebeln einen Steuerhebel (LC) und wenigstens einen Lenkhebel (L1 bis L4) aufweist, dass alle Hebel schwenkbar (P, P1 bis P4, 39) am Rahmen (10) befestigt und durch eine gemeinsamen Stange (L) verbunden sind, so dass alle Lenkhebel eine synchrone Bewegung entsprechend der Bewegung des erwähnten Steuerhebels (LC) ausführen, und dass ein Ende des Steuerhebels (LC) am erwähnten einachsigen Fahrwerk (10C) angelenkt ist, während ein Ende jedes Lenkhebels (L1 bis L4) an einem Lenker (S1 bis S4) angelenkt ist, von denen jeder einen Schleifkopf führt (Figur 14).
9. Maschine nach Anspruch 8, dadurch gekennzeichnet, dass die gemeinsame Stange (L, L′) eine Längswelle ist, die drehbar im Rahmen (10) gelagert ist, und dass der Steuerhebel (LC, LC′) sowie die Lenkhebel, die an dieser drehbaren Längswelle befestigt sind, eine im wesentlichen vertikale Orien-tierung haben, wobei der erwähnte Steuerhebel (LC, LC′) vorzugsweise gleichzeitig zum Aufhängen des Messfahrwerks (36, 37) am Rahmen (10) dient (Figuren 15 bis 17).
10. Maschine nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass am einachsigen Fahrwerk (31) ebenfalls wenigstens ein Lenker (S1, S2) zu direkten Führung der mit Hilfe dieser Lenker angelenkten Schleifköpfe vorgesehen ist (Figuren 12, 13, 15).
11. Maschine nach den Ansprüchen 7 bis 10, dadurch gekennzeichnet, dass zwei einachsige Fahrwerke (31, 34) gelenkig am Rahmen (10) befestigt sind, wobei das eine dieser Fahrwerke am einen Ende und das andere am anderen Ende des Rahmens, jeweils also in der Nähe der betreffenden endseitigen Radachse (10A, 10B), angelenkt ist, dass jedes Fahrwerk direkt mehrere Schleifköpfe mit Hilfe der Lenker (S1, S2; S4, S5) führt und dass wenigstens eines der Fahrwerke (31) ausserdem wenigstens einen weiteren Schleifkopf (M3) indirekt mit Hilfe eines Systems von Hebeln (LC, L3) führt (Figur 12).
12. Schienenschleifmaschine nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass das erwähnte System von Hebeln einer Vorspannung unterliegt, welche so gerichtet ist, dass die Schienentaster gegen die betreffende Schiene gedrückt werden, um das Spiel der Hebel zu verringern, und dass diese Vorspannung vorzugsweise durch wenigstens einen pneumatischen oder hydraulischen Zylinder (9L) erzeugt wird, der auf die gemeinsame Stange (L) wirkt und sich an einem Anschlag des Rahmens (10) abstützt (Figuren 12, 13, 14).
13. Maschine nach einem der Ansprüche 2, 4 bis 12, dadurch gekennzeichnet, dass das erwähnte einachsige (10C, 10D) Fahrwerk (12, 14, 16, 23) ein Bissel-Drehgestell ist, das auf einer Radachse rollt, deren Räder (C, D) die erwähnten Schienentaster bilden.
14. Maschine nach einem der Ansprüche 2, 4 bis 13, dadurch gekennzeichnet, dass wenigstens ein einachsiges (10C, 10D) Fahrwerk (16; 23; 25; 26) einen Teil (16′, 23′; 25′; 26′;) aufweist, welcher sich freitragend über die der Gelenkverbindung gegenüberliegende Radachse hinauserstreckt, und dass dieser freitragende Teil wenigstens einen weiteren Schleifkopf mit Hilfe eines Lenkers (S3, S4; S3, S10) führt (Figuren 9, 11).
15. Maschine nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass jede endseitige Radachse (10A, 10B) der Wirkung einer die Räder (A, B) jeder Radachse gegen einen der Schienenstränge drückenden Andrückvorrichtung (9A, 9B), insbesondere eines pneumatischen oder hydraulischen Zylinders, unterliegt, oder zwecks Ausgleichs von Aenderungen der Spurweite aus zwei in Querrichtung auseinanderspreizbaren Teilen besteht, die einer Spreizkraft derart unterworfen sind, dass die beiden Räder (A, A′, B, B′) gegen die beiden Schienenstränge gedrückt werden.
16. Maschine nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass jede der zwischen den endseitigen Radachsen liegenden Radachsen (10C, 10D) der Wirkung einer insbesondere pneumatischen oder hydraulischen Andrückvorrichtung (9C, 9D) unterworfen ist, welcher den Schienentaster, der vorzugsweise durch das betreffende Rad (C, D) gebildet wird, gegen einen der Schienenstränge drückt.
17. Maschine nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass zum Ausgleich der Aenderung der Spurweite die Positionnierungsorgane, welche durch ein einachsiges oder zweiachsiges Fahrwerk, eine Lenkstange und/oder ein System von hebeln mit gemeinsamer Stange gebildet werden, in zwei Teilen, je eines für jeden Schienenstrang, ausgebildet bzw. vorgesehen sind, wobei beide Teile in Querrichtung auseinanderspreizbar sind und einer Spreizkraft unterliegen, derart, dass die zwei, von den beiden Teilen einer Radachse (10C, 10D) getragenen Schienentaster, die insbesondere durch deren Räder gebildet sind, gegen die beiden Schienenstränge (R1, R2) gedrückt werden und auf diese Weise die Schleifköpfe unabhängig für jeden Schienenstrang führen.
18. Maschine nach Anspruch 7, dadurch gekennzeichnet, dass das einachsige Fahrwerk oder die einachsigen Fahrwerke aus zwei Teilen (25, 26, 10C, 10C′; 28, 29, 10D, 10D′, 36, 37), vorzugsweise mit teleskopischer Radachse (10C, 10C′; 10D, 10D′), gebildet ist bzw. sind, dass die einen Enden der beiden Teile jedes Fahrwerks (25, 26; 28, 29; 36, 37) am Rahmen (10) in der Nähe der einen bzw. der anderen endseitigen Radachse (10A, 10B) angelenkt sind und dass die anderen Enden der erwähnten Teile, welche die dazwischenliegende Radachse oder die dazwischenliegenden Radachsen (10C, 10C′, 10D, 10D′) aufweisen, auseinanderspreizbar sind.
19. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass das erwähnte Schleiffahrgestell (3) mit einem Messystem (W) ausgerüstet ist, welches die Querverschiebung des die Pfeilhöhe (fm) messenden Schienentasters bzw. der die Pfeilhöhen messenden Schienentaster misst, dass am Rahmen (10) des Schleiffahrgestells Zylinder (V1 bis V4) befestigt sind, welche die Schleifköpfe unter integrierter Messung ihrer Verschiebung positionieren, und dass ein Rechner (Z) vorgesehen ist, welcher die Pfeilhöhen (f1 bis f4) am Berührungspunkt jeder Schleifscheibe (M1 bis M4) als Funktion der gemessenen Pfeilhöhe (fm) bestimmt und die erwähnten Zylinder (V1 bis V4) steuert.
EP88810348A 1988-05-30 1988-05-30 Schienenschleifmaschine Expired - Lifetime EP0344390B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP88810348A EP0344390B1 (de) 1988-05-30 1988-05-30 Schienenschleifmaschine
DE8888810348T DE3868631D1 (de) 1988-05-30 1988-05-30 Schienenschleifmaschine.
AT88810348T ATE72851T1 (de) 1988-05-30 1988-05-30 Schienenschleifmaschine.
US07/352,133 US4951424A (en) 1988-05-30 1989-05-15 Machine for the grinding of rails
CA000600154A CA1320051C (en) 1988-05-30 1989-05-18 Machine for the grinding of rails
AU35049/89A AU612842B2 (en) 1988-05-30 1989-05-22 Machine for the grinding of rails
JP1131662A JPH02147705A (ja) 1988-05-30 1989-05-26 レール研削機械
DD89329001A DD283850A5 (de) 1988-05-30 1989-05-29 Schienenschleifmaschine

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EP88810348A EP0344390B1 (de) 1988-05-30 1988-05-30 Schienenschleifmaschine

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EP0344390A1 EP0344390A1 (de) 1989-12-06
EP0344390B1 true EP0344390B1 (de) 1992-02-26

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EP (1) EP0344390B1 (de)
JP (1) JPH02147705A (de)
AT (1) ATE72851T1 (de)
AU (1) AU612842B2 (de)
CA (1) CA1320051C (de)
DD (1) DD283850A5 (de)
DE (1) DE3868631D1 (de)

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Publication number Priority date Publication date Assignee Title
CH685129A5 (fr) * 1991-03-01 1995-03-31 Speno International Dispositif pour le reprofilage des rails d'une voie ferrée.
US5191841A (en) * 1992-02-18 1993-03-09 Harsco Corporation Railroad bogie and rail grinder using the bogie
EP0789108A1 (de) * 1996-02-06 1997-08-13 Scheuchzer S.A. Rollwagen mit Schleif- oder Bearbeitungswerkzeuge für die Lauffläche und das Pilzteil von Eisenbahnschienen
US6033291A (en) * 1998-03-16 2000-03-07 Loram Maintenance Of Way, Inc. Offset rail grinding
AT410951B (de) * 2000-07-17 2003-09-25 Linsinger Maschinenbau Gmbh Verfahren zum reprofilieren mindestens des fahrspiegels einer schiene sowie einrichtung hierzu
AT411912B (de) * 2000-07-17 2004-07-26 Linsinger Maschinenbau Gmbh Verfahren zum schleifen einer schiene sowie vorrichtung zur durchführung des verfahrens
ES2269848T3 (es) * 2003-03-20 2007-04-01 STAHLBERG ROENSCH GMBH & CO. KG Dispositivo para trabajar las superficies de rodaduras de carriles por rectificado periferico.
EP2390415B1 (de) * 2010-05-28 2015-04-29 Vossloh High Speed Grinding GmbH Schleifsteinanordnung mit minimierten resultierenden Moment und Kraft
CZ2011283A3 (cs) * 2011-05-13 2013-01-02 Morávek@Petr Zpusob broušení železnicních kolejí a zarízení k jeho provádení
AT513347B1 (de) 2012-09-12 2015-05-15 Vossloh Mfl Rail Milling Gmbh Verfahren und Vorrichtung zur gesteuerten Seitenkopierung einer Vorrichtungseinheit bei Schienenfahrzeugen
CN106483926B (zh) * 2016-09-30 2023-07-21 湖南大学 一种用于钢轨铣磨装置侧向定位的自适应跟随装置
AT521163B1 (de) * 2018-08-07 2019-11-15 Linsinger Maschb Gesellschaft M B H Verfahren zum Bearbeiten der Lauffläche einer Schiene
AT522861A1 (de) 2019-08-13 2021-02-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Vorrichtung und Verfahren zum Bearbeiten der Oberfläche eines Schienenkopfes einer Schiene durch Stirnschleifen
DE202024102080U1 (de) 2023-05-11 2024-05-07 Schweerbau International Gmbh & Co. Kg Vorrichtung zur materialabtragenden Bearbeitung einer in einem Gleisbett verlegten Schiene

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AT344772B (de) * 1975-12-01 1978-08-10 Plasser Bahnbaumasch Franz Schienenschleifmaschine
CH614476A5 (de) * 1977-10-10 1979-11-30 Scheuchzer Auguste Les Fils D
CH616186A5 (en) * 1977-11-04 1980-03-14 Scheuchzer Auguste Les Fils D Machine for grinding railway rails
AT366437B (de) * 1978-02-10 1982-04-13 Plasser Bahnbaumasch Franz Gleisverfahrbare maschine zum bearbeiten der schienenkopfoberflaechen
US4583327A (en) * 1983-11-25 1986-04-22 Jackson Jordan, Inc. Rail grinding car
ATE66030T1 (de) * 1987-11-07 1991-08-15 Scheuchzer Fils Auguste Schleifmaschine fuer die reprofilierung von schienenkoepfen.

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US4951424A (en) 1990-08-28
JPH02147705A (ja) 1990-06-06
DD283850A5 (de) 1990-10-24
AU3504989A (en) 1989-11-30
ATE72851T1 (de) 1992-03-15
EP0344390A1 (de) 1989-12-06
AU612842B2 (en) 1991-07-18
DE3868631D1 (de) 1992-04-02
CA1320051C (en) 1993-07-13

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