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
  • E01B7/02—Tongues; Associated constructions
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
  • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
  • E01B2202/04—Nature of the support or bearing
  • E01B2202/044—Rolling
  • E01B2202/046—Rolling with rolls on fixed part

Definitions

• the present invention relates to a device for lifting and moving the tongue rail of a switch according to the preamble of claim 1.
• EP 0 692 570 B1 discloses a tongue lifting device with two rollers mounted on an adjustable and biased by a spring
• the invention is based on the finding that the reliability of tongue lifting devices is jeopardized in particular by the penetration of foreign bodies in the region between adjacent rollers. Based on this finding, the invention provides that in a generic tongue lifting device between at least two adjacent rollers, a cover is provided, which faces the first direction and at least partially covers a passage between the at least two adjacent rollers.
• the invention also provides in a two-part design of the base body, in which an upper part is slidably mounted on a lower part and the displacement by the special design of the contact edges of the two parts angled to the
• Displacement level of the tongue rail on the running rail out in addition to a way to adjust the height of the rolling device. This may be necessary in particular whenever a lowering of one or more sleepers, on which the base plate is screwed, is to be compensated, in order to allow the tongue rail to be always, and preferably to the same extent, carried by all rolling devices, even during prolonged operation of the switch becomes.
• the base body is divided into an upper and a lower part, wherein the rollers are mounted on the upper part of the base body and upper and lower parts are arranged displaceable against each other.
• the height adjustment of the roller bearing is carried out by continuously or stepwise formed bevels in the superimposed contact edges of the upper and lower part. This ensures that in each shift state, the upper side of the upper part is parallel to the displacement direction of the Zonnes ⁇ hiene.
• the displacement of lower part and upper part can be carried out continuously due to the configuration of the contact edges with corresponding bevels, wherein a fixation of the Upper part can be done on the lower part in any intermediate position and thus any desired height adjustment between a minimum and a maximum value can be done.
• one or more steps may be formed in the substantially beveled contacting edges of the top and bottom portions whereby displacement and height adjustment may occur in increments between minimum and maximum values.
• the design of the steps provides a particularly secure and easily fixable support for the upper part on the lower part.
• the height adjustment of the rolling device is usually carried out by hand and preferably in that the
• Means for fixing the upper part are dissolved on the lower part in its arbitrary displacement and height position, an adjustment or NachJusttechnik the height by moving the upper part on the lower part and finally the means for fixing, preferably screws, are tightened again.
• the displacement of the upper part on the lower part takes place at a continuously displaceable upper part via a device for moving the same.
• this means for moving a threaded rod which connects the upper part with the lower part.
• this threaded rod also has an element for engaging a conventional tool, for example a hexagonal head, on its free end protruding from the main body.
• a device is provided which is particularly simple and preferably continuously using arbitrary tools continuously adjustable within wide limits.
• the design and arrangement of the cover provided between adjacent rollers can be determined depending on the nature and extent of the expected environmental influences.
• the cover is spaced from the outer periphery of the at least two adjacent rollers by at most 5.0 mm, particularly preferably at most 3.0 mm.
• the base body is formed as a casting, which is preferably integrally formed with the cover.
• at least one roller in the first direction has a projection with respect to a reference point of the base body which is larger than that of the other rollers.
• a first and a second roller are provided, wherein the first roller has a protrusion of 2.0 to 3.0 mm and the second roller a protrusion of 3.0 to 4.0 mm in the first Direction opposite the body possesses.
• One of the aspects of operational safety is that correct installation of the tongue lifting device must be ensured from the outset, and that incorrect replacement of the tongue lifting device must also be precluded during conversion measures.
• the main body is provided with a label indicating the supernatant of the respective roles. As a result, handling errors when installing and removing the tongue lifting device are effectively excluded.
• the design of the support bolts can be done in many ways in the context of the present invention. According to one embodiment of the present invention, however, it is preferred that the support bolts each have at least one stop element, in particular a collar, wherein the stop element limits an insertion depth of the support pin into the base body.
• the stop element limits an insertion depth of the support pin into the base body.
• the rollers are mounted on the support bolts by plain bearings, which are preferably formed by a provided between an inner peripheral surface of the rollers and an outer peripheral surface of the support pin plastic polymer layer.
• plain bearings which are preferably formed by a provided between an inner peripheral surface of the rollers and an outer peripheral surface of the support pin plastic polymer layer.
• Such sliding bearings have proven to be extremely durable, while ensuring a smooth and smooth operation when lifting and moving the tongue rail.
• the plastic polymer layer has self-lubricating properties in order to ensure the advantageous properties of the sliding bearing permanently.
• the base body has an axis of symmetry which extends parallel to the rollers. In this way it is possible within a certain rail system to install the tongue lifting device in different positions with respect to the symmetry axis, depending on the respective boundary conditions, without changing the basic function of the tongue lifting device.
• Tongue lifts are applicable.
• the at least two support bolts are provided substantially immovably on the base body.
• Fig. 1 shows a schematic perspective view of a first embodiment of the tongue lifting device according to the invention
• Fig. 2 shows a schematic perspective view of the tongue lifting device of Figure 1 in the installed state, but without tongue rail.
• FIG. 3 shows a schematic perspective view of the tongue lifting device from FIG. 1 in the installed state with a tongue rail in the lowered state;
• FIG. 4 shows a schematic sectional view of the tongue lifting device from FIG. 1 with a tongue rail in the lowered state
• Fig. 5 shows a schematic sectional view of the tongue lifting device of Figure 1 in the installed state with a raised tongue rail.
• Fig. 6 shows a schematic perspective view of a second embodiment of the tongue lifting device according to the invention
• Fig. 7 shows a schematic perspective view of a third embodiment of the tongue lifting device according to the invention.
• Fig. 1 shows a schematic perspective view of a tongue lift device 1 as a first embodiment of the present invention.
• the Zonnehebevorriehtung 1 has a base body 8, in which two support pins 22, 24 are mounted.
• the support bolts 22, 24 are used for rotatably supporting a respective roller 12, 14 in the Zonnehebevorriehtung 1.
• the base body 8 has two mounting holes 8 ', 8' 'to fix the Zonnehebevorriehtung 1 in its installed position.
• the first embodiment shown in Fig. 1 has two rollers 12, 14. It should be noted, however, that depending on the respective requirements, for example the required adjustment range, three or more rollers may be provided.
• a cover 10 is provided, which faces a first direction, wherein the first direction in the present embodiment extends vertically upwards.
• the cover is designed such that it at least partially covers the passage between the two adjacent rollers 12, 14.
• the shape of the cover is designed arcuate in the present embodiment, so that- no permanent
• cover 10 is formed integrally with the main body as a one-piece casting.
• base body 8 and cover 10 can also be made in several parts and optionally also from other materials.
• rollers 12 and 14 have in the first direction, i. in the vertical direction, a projection against the upper edge (the highest point in the first direction) of the cover 10 in order to easily move a tongue rail along the first direction
• roller 14 has a larger one
• the projection in the present embodiment is 2.5 mm in the case of the roll 12 and 3.5 mm in the case of the roll 14.
• Reference point for the supernatant is usefully set the (in the first direction) highest point of the body 8.
• the support pins 22, 24 are, as can be seen in Fig. 1, inserted through ösenartige bearing openings of the base body 8 in this. For a correct insertion depth of the support bolts . 22, 24 to ensure the base body 8, the support pins 22, 24 at one end in each case a stop element 26, 28 in the form of a disk-like head or the like. Further
• rollers 12, 14 are rotatably mounted on the support pins 22, 24, wherein in principle any storage can be used.
• plain bearings which preferably by a between an inner peripheral surface of the
• FIG. 2 and 3 each show a schematic perspective view of the tongue lifting device 1 from FIG. 1 in the installed state without or with a tongue rail 4.
• the tongue lifting device 1 is mounted on a ribbed plate 30 in the installed state.
• the tongue lifting device 1 is fastened by means of screws which extend through the fastening openings 8 ', 8 "and are anchored in threaded bores of the ribbed plate 30.
• the stop elements 26, 28 are in the installed state with its outer surface on the rib plate 30, so that a Displacement of the support pins 22, 24 is excluded in one or the other direction.
• a tongue rail 2 is in the lowered state on the sliding or support surface 30 'of the ribbed plate and is located next to the
• Tongue lifting device 1 This state is also shown in Fig. 4 in a schematic Thomasansieht.
• the tongue rail 2 applies in Fig. 4 on the left side of the stock rail 4 and touches on the right side in Fig. 4, the roller 12 of the Zonnehebevorriehtung.
• Tongue lifting device 1 has a main body 8, which in this embodiment consists of a lower part 8A and an upper part 8B.
• the support pins 22, 24 are mounted, which serve for the rotatable mounting of the rollers 12, 14.
• the upper part 8B facing side of the lower part 8A is like a staircase preferably provided the same height and same level step paragraphs on which corresponding surfaces on the bottom 8A opposite bottom of the upper part 8B rest.
• a height adjustment of the upper part 8B take place, wherein the plane spanned by the central axes 30, 31 of the support pins 22, 24 plane is displaced substantially parallel and without bevel in the height direction.
• the upper part 8B are also elongated holes 8 ', 8''formed by the (not shown) fasteners, such as screws can penetrate through the upper part 8B in the lower part 8A to a fixing of the upper part 8B on the lower part 8A in any arrangement to ensure the steps.
• Tongue lifting device 1 in which the main body 8 also consists of an upper part 8B and a lower part 8A.
• the connecting surfaces of both parts 8A, 8B is provided with a continuous oblique plane which is chamfered with respect to the plane defined by the underside of the lower part 8A.
• a height adjustment of the upper part 8B relative to the lower part 8A is also effected here by displacing the upper part 8B in the direction or opposite direction of the arrow B in FIG. 7.
• the upper part 8B and the lower part 8A also have a threaded rod 32 connected to them outside the main body 8 a hexagonal head 33 ends. At this hexagonal head 33, a (not shown) tool can apply a torque to the threaded rod 32 and thus cause a stepless displacement of the upper part 8 B on the lower part 8 A.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Train Traffic Observation, Control, And Security (AREA)
• Railway Tracks (AREA)
• Processing Of Meat And Fish (AREA)
• Milling, Drilling, And Turning Of Wood (AREA)
• Sewing Machines And Sewing (AREA)
• Massaging Devices (AREA)
• Soil Working Implements (AREA)
• Rolling Contact Bearings (AREA)
• Rolls And Other Rotary Bodies (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=34801313

Family Applications (1)

Country Status (10)

Families Citing this family (17)

Family Cites Families (21)

• 2004
  • 2004-01-30 DE DE102004004784A patent/DE102004004784B4/de not_active Expired - Lifetime
• 2005
  • 2005-01-28 PL PL05707070T patent/PL1709248T3/pl unknown
  • 2005-01-28 AT AT05707070T patent/ATE550491T1/de active
  • 2005-01-28 ES ES05707070T patent/ES2384570T3/es active Active
  • 2005-01-28 WO PCT/EP2005/000866 patent/WO2005073465A1/fr active Application Filing
  • 2005-01-28 US US10/587,174 patent/US7766283B2/en not_active Expired - Fee Related
  • 2005-01-28 CA CA2554531A patent/CA2554531C/fr not_active Expired - Fee Related
  • 2005-01-28 AU AU2005209413A patent/AU2005209413B2/en not_active Ceased
  • 2005-01-28 EP EP05707070A patent/EP1709248B1/fr not_active Not-in-force
  • 2005-01-28 CN CN2005800036642A patent/CN1914376B/zh not_active Expired - Fee Related

Non-Patent Citations (1)

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