JP2012052294A - Insulation connecting device for iron sleeper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an iron sleeper which does not cause insulation breakdown even when rainwater leaks and infiltrates or floating conductive metal foil and conductors are blown away by a wind and stuck between insulated sleepers.SOLUTION: An insulation connecting device for an iron sleeper includes: the iron sleeper for which recessed parts 11 and 31 are formed at four corners of the facing surfaces of a left sleeper member 1 and a center sleeper member 3 and the facing surfaces of a right sleeper member and the center sleeper member 3, and also closing plates 12 and 32 are fixed; and an insulating member 5 which is interposed between the closing plates 12 and 32 facing each other, formed of a member having an electric insulation property and elasticity, and provided with a flange part 51 covering the outer periphery of the closing plates 12 and 32, a wall surface part 52 integrally formed with the flange part 51, and a cylindrical part 54 formed on the wall surface part 52 and insertable to a hole formed on the closing plates 12 and 32.

Description

  In the present invention, the iron sleeper is divided into three parts, a left part and a central part, and the left part and the central part and the central part and the right part are respectively connected via an insulating member to further improve the insulation. The present invention relates to an insulation connection device for an iron sleeper that increases the reliability of the illustration and prevents the traveling maintenance inspector from tripping over the insulation portion so that the insulation portion does not protrude from the upper surface of the iron sleeper.

  As sleepers used for railways, wooden, concrete, and synthetic resin are used. Of these, the used wooden sleepers are used for other purposes, but the concrete sleepers separated the concrete and the reinforcing bars, the reinforcing bars were reused as iron scraps, and the concrete was discarded. Further, since the sleeper made of synthetic resin cannot be reused, it is not preferable to use it continuously from the viewpoint of depletion of resources although it is disposed of.

  Therefore, various types of iron sleepers have been developed that are lighter and easier to transport than concrete or synthetic resin sleepers, and that can be reused and have no problems in strength. As an example, an iron sleeper described in a utility model registration gazette of utility model registration No. 3138886 is disclosed.

  This iron sleeper (hereinafter simply referred to as a sleeper) is divided into two, and end plates are integrally formed from the side surface to the upper surface of the joint surface of the two divided sleepers. And end plates are connected with bolts and nuts.

Utility model registration No. 3138886

  By the way, in the technique of the above-mentioned utility model registration gazette, since the insulation state is maintained only at one place, the insulation connection portion is not airtight and the insulation breakdown due to rainwater intrusion occurs due to rain. Insulated by short-circuiting, conductive metal foil such as aluminum, tin, copper, and other waste materials that are floating in the atmosphere and waste, and attached between sleepers that are insulated by blowing off the wind There is a problem that the signal circuit does not function and the vehicle travels hindered due to destruction.

  Furthermore, the end plate has a structure that protrudes from the upper surface side of the sleeper, so when the patrol maintenance inspector walks on the sleeper, the end of the end plate that protrudes above the sleeper hits and slips. There was also a problem of doing.

  The present invention is intended to solve the above-mentioned problems, and the object is to have a structure in which an iron sleeper is divided into three parts, a left and right sleeper member and a central sleeper member, and a left and right sleeper member and a center. An insulating member is interposed between the sleeper member and screwed to electrically insulate between the left and right sleeper members and the central sleeper member, so that the metal floating material is one of the two connection parts. Even if it adheres to the surface of the iron sleeper, the insulation member does not protrude from the peripheral surface of the iron sleeper. Insulation connection equipment is provided.

  The insulated connection device for iron sleepers according to the present invention achieves the above-mentioned object, and the means of claim 1 is composed of three members, a left and right sleeper members and a central sleeper member, and the left sleeper member and A recess is formed at four corners of the facing surface of the center sleeper member and the facing surfaces of the right sleeper member and the center sleeper member, and is interposed between the iron sleeper to which the closing plate is fixed and the facing closing plate. Formed with a member having electrical insulation and elasticity, covering the outer periphery of the closing plate, a wall surface formed integrally with the flange, and formed on the wall plate with the wall surface And an insulating member having a cylindrical portion that can be inserted into the formed hole, and disposed so as to cover the outer periphery of the closing plate facing the flange portion, and the concave portion in a state in which the cylindrical portion is inserted into the hole of the closing plate Insert a bolt into the cylinder from Characterized in that the lateral sleepers member is tightened with an electrically insulating state integrated through a central sleeper member relative.

  According to a second aspect of the present invention, in the first aspect, a ring-shaped bulging portion is formed on the wall surface portion of the insulating member, and the closing plates come close to each other by tightening bolts and nuts. On the other hand, the contact state is changed from the line contact to the surface contact state, and the closed state can be maintained even in the unevenness of the closing plate.

  According to a third aspect of the present invention, in the first aspect, the upper surface of the connection portion between the left sleeper member and the central sleeper member and the connection portion between the right sleeper member and the central sleeper member may be disposed on the iron sleeper. It is characterized by being covered with a cover plate in an insulated state.

  According to a fourth aspect of the present invention, the buckling prevention pile according to the first aspect, wherein a long hole is formed at an end portion of the left and right sleeper members, and a detent protrusion is formed in the long hole to prevent lifting. A board is inserted and driven into the roadbed to prevent the movement of iron sleepers.

  According to a fifth aspect of the present invention, in the first aspect, a fixing member is integrally formed at an end of the left and right sleeper members, and a length is adjusted between the terminal member and the fixing member of the adjacent left and right sleeper members. It is characterized in that the iron sleeper is prevented from moving in the front-rear direction by being connected by a movement-preventing metal fitting made of a possible extension member.

  In the present invention, as described above, since the outer periphery of the closing plate facing the flange portion of the insulating material is covered closely, the insulating member does not protrude from the peripheral surface of the iron sleeper. It is possible to walk safely without obstructing the work and walking, and it is possible to prevent water such as rainwater from entering the closing plate facing and to prevent insulation breakdown. In addition, a bolt is inserted into the cylindrical portion of the insulating member from the concave portions formed in the left and right sleeper members and the central sleeper member, and the left and right sleeper members are tightened in an electrically insulated state with respect to the closing plate with a nut. By being integrated in a two-divided state via a metal, even if a metal floating substance adheres to any one of the two connecting portions, dielectric breakdown does not occur.

  In addition, a ring-shaped bulge is formed on the wall surface of the insulating member, and the closing plates come close to each other by tightening bolts and nuts. The sealed state can be maintained even on the unevenness, and the electrical insulation state between the blocking plates facing each other can be reliably maintained.

  In addition, the upper surface of the connection part between the left sleeper member and the central sleeper member and the connection part between the right sleeper member and the central sleeper member is covered with a cover plate in an insulated state with respect to the iron sleeper. It is possible to ensure the safety of the inspector's work and walking, and to prevent the metallic floating material from adhering to the connection portion, thereby further preventing the insulation breakdown.

  In addition, a long hole is formed at the end of the left and right sleeper members, and a buckling prevention pile board in which a detent protrusion is formed in the long hole to prevent lifting is inserted, and the iron sleeper is moved by driving it into the roadbed. By preventing this, it becomes possible to prevent the track from being deformed or displaced even on a curved line, and it is possible to ensure safe traveling of the railway vehicle.

  Furthermore, a fixing member is integrally formed at the ends of the left and right sleeper members, and the iron sleeper is connected by connecting between the fixing members of the adjacent left and right sleeper members with a terminal member and an extension member whose length can be adjusted. By preventing the movement in the front-rear direction, the distance between the iron sleepers is made constant even by the vibration caused by the traveling of the railway vehicle.

1 is an overall perspective view of an insulated connection device for iron sleepers according to the present invention. FIG. 2 is an exploded perspective view of FIG. 1. It is a front view of an insulating member. FIG. 4 is a sectional view taken along line AA in FIG. 3. It is a longitudinal cross-sectional view of the state which connected the left sleeper member and the center sleeper member. It is an expansion perspective view of the part which attached the cover board comprised with the insulating material of FIG. It is sectional drawing which shows the attachment state in case a cover plate is a metal plate. It is a perspective view of the attachment state of the rail buckling prevention safety device and the iron sleeper movement prevention device. It is a front view of the other Example of the rail buckling prevention safety device.

Hereinafter, an embodiment of an insulated connection device for iron sleepers according to the present invention will be described with reference to FIGS.
The iron sleeper is composed of three members, a left and right sleeper members 1 and 2 having one end opened in a hollow and a central sleeper member having both ends opened. And the recessed part 11,21,31 was formed in four corners inside the opening part of the left and right sleeper members 1 and 2, and the opening part of the center sleeper 3, and this recessed part 11,21,31 was formed. Closed plates 12, 22, and 32 having holes 12a, 22a, and 32a for inserting bolts at the four corners are fixed to the opening by means such as welding. Reference numerals 13 and 23 denote rail fixing portions for fixing the rail 4 formed on the upper surfaces of the left and right sleeper members 1 and 2.

  5 indicates electrical insulation, weather resistance, and elasticity for connecting the left sleeper member 1 and the central sleeper member 3 and connecting the right sleeper member 2 and the central sleeper member 3 with each other. An insulating member made of flexible rubber or synthetic resin is formed to have substantially the same size as the closing plates 12, 22, and 32 and covers the outer periphery of the closing plates 12 and 32 or the closing plates 22 and 32. Part 51, wall surface part 52 having an opening 52a formed substantially in the center, ring-shaped bulging part 53 formed by bulging inside said flange part 51 in said wall surface part 52, and said bulging part 53, holes 12a and 32a of the closing plates 12, 22, 32 formed at the four corners inside 53, or a cylindrical portion 54 for inserting a bolt fitted into the holes 32a and 22a are formed.

  Next, a configuration in which the left sleeper member 1 and the central sleeper member 3 or the right sleeper member 2 and the central sleeper member 3 are integrated via an insulating member 5 will be described. FIG. 5 shows an example in which the left sleeper member 1 and the central sleeper member 3 are integrated. However, since the configuration of integrating the right sleeper member 2 and the central sleeper member 3 is the same, FIG. 5 will be described.

  The closing plates 12 and 32 of the left sleeper member 1 and the central sleeper member 3 are opposed to each other, and the flange portion 51 of the insulating member 5 covers the outer periphery of the closing plates 12 and 32 between the closing plates 12 and 32. In this way, the left sleeper member 1 and the central sleeper member 3 are brought close to each other.

  Then, the bolt B is exposed at the four concave portions 11 and 31 formed in the left sleeper member 1 and the central sleeper member 3 in a state where the flat ring B1 and the cylindrical ring B2 formed of an insulating material are inserted. The insulating member 5 is inserted into the cylindrical portion 54.

  Next, the nuts N are screwed and tightened with the cylindrical ring B2, the flat plate ring B1, and the C-shaped ring B3 inserted into the front end side of the bolt B protruding from the cylindrical portion 54, whereby the closing plates 12 and 32 are brought close to each other. Thus, the bulging portion 53 of the insulating member 5 is crushed to be in surface contact to maintain the insulation state.

  Therefore, the connection between the closing plates 12 and 32 by the bolt B and the nut N is performed by the cylindrical portion 54 of the insulating member 5 and the flat plate ring B1 and the cylindrical ring B2, so that the insulating plates 12 and 32 are insulated from each other. State is maintained.

  Further, the insulating state is maintained near the outer periphery of the blocking plates 12 and 32 by the bulging portion 52 of the insulating member 5, and the outer peripheral surface of the insulating member 5, the outer peripheral surface of the left sleeper member 1, and the central sleeper member 3. Since a part of is covered with the flange 51 in a close state and a watertight state is maintained, it is possible to maintain an insulating state without raining and entering the inside.

  Furthermore, in the connection structure between the left and right sleeper members 1, 2 and the central sleeper member 3 of the present invention, the connection between the left sleeper member 1 and the central sleeper member 3, and the right sleeper member 2 and the central sleeper member 3. Since it is connected at two locations on the gap member 3, conductive metal foils such as aluminum, tin, copper, etc. and conductors are blown away as a result of dielectric breakdown due to leakage of rainwater, waste materials floating in the atmosphere, and garbage Therefore, even if it adheres to any one of the connection portions, dielectric breakdown occurs, and the signal circuit does not function, so that the train does not hinder.

  In addition, since only the flange portion 51 of the insulating member 5 is exposed on the outer peripheral surface of each connection portion, the traveling maintenance inspector does not slip or stumble even when walking on the sleeper. Secure and prevent industrial accidents.

  6 shown in FIGS. 1 and 6 is a cover plate 6 that covers the connecting portion between the left and right sleeper members 1 and 2 and the central sleeper member 3 and is made of an insulating material having a striped pattern on the surface. The left and right sleeper members 1, 2 and the central sleeper member 3 are fixed to the screw holes 1a, 2a, 3a (see FIG. 2) formed on the upper surfaces of the sleeper members 3 by screws 61.

  By covering the connecting portion between the left and right sleeper members 1 and 2 and the central sleeper member 3 with the cover plate 6 in this way, it is possible to prevent rainwater from flowing to the connecting portion at the time of rain, so that the insulating effect by the rainwater described above It is possible to prevent the vehicle from falling due to slipping or tripping of the patrol maintenance inspector.

  In the above description, the cover plate 6 is made of an insulating material. However, when the cover plate 6 is made of a metal plate, as shown in FIG. A screw 61 is inserted into a hole 3b formed in the sleeper member 3 (the central sleeper member 3 is shown in FIG. 7), and screwed to a nut 63 formed of an insulating material on the back side of the central sleeper member 3. By doing so, it is possible to obtain the same function and effect as those of the cover plate 6 made of the insulating material.

  The nut 63 is fixed in advance on the back surfaces of the left and right sleeper members 1 and 2 and the central sleeper member 3, and the cover plate 6 is structured such that the screw 63 is screwed into the nut in this fixed state. The mounting work can be simplified.

  In FIG. 8, 7 is a buckling prevention pile plate for fixing an iron sleeper to the road bed, and a plate width front end 72 is formed at an acute angle in order to facilitate driving from the wide head 71 to the road bed. Further, a detent 73 as a V-shaped projection is formed on the plate surface for preventing the floating. Further, elongated holes 14 and 24 for fitting the buckling prevention pile board 7 are formed at the left end of the left sleeper member 1 and the right end of the right sleeper member 2.

  In this manner, by driving the buckling prevention pile plate 7 into the road bed while inserting it into the long holes 14 and 24 of the left and right sleeper members 1 and 2, the track may be deformed or misaligned even on a curved line. Therefore, it is possible to prevent the railway vehicle from traveling safely.

  FIG. 9 shows another embodiment of the buckling prevention pile plate 7. In the above embodiment, the detent 73 is shown as a V-shaped projection on the front side, but in the embodiment of FIG. And sawtooth-like irregularities are formed on the side surface of the thinly formed plate width. In this embodiment, the same effect as described above can be obtained.

  In FIG. 8, 8 is a sleeper movement preventing metal fitting for preventing the iron sleeper from moving in the front-rear direction, and is fixed in advance to a position close to the long holes 14 and 24 of the left and right sleeper members 1 and 2. The fixed members 15 and 25, a pair of terminal members 81 to be bolted, and an extension member 82 connected between the pair of terminal members 81 and having an adjustable length.

  In this way, by adjusting and fixing the length of the extension member 82, the distance between the iron sleepers is fixed at a constant distance, so that the distance between the iron sleepers is also constant due to vibration caused by the running of the railway vehicle. Therefore, safe driving is possible.

DESCRIPTION OF SYMBOLS 1 Left sleeper member 11 Recessed part 12 Blocking plate 14 Long hole 15 Fixed member 2 Right sleeper member 21 Recessed part 22 Closed plate 24 Long hole 25 Fixed member 3 Central sleeper member 31 Recessed part 32 Closed plate 5 Insulating member 51 Buttocks 52 Wall surface 53 bulging part 54 cylindrical part 6 cover plate 7 buckling prevention pile plate 73 detent protrusion 8 movement preventing metal fitting 81 terminal member 82 extension member

Claims (5)

Consists of three members, a left and right sleeper member and a central sleeper member, and recesses are formed at the four corners of the facing surface of the left sleeper member and the central sleeper member, and the facing surface of the right sleeper member and the central sleeper member. And an iron sleeper with a closing plate fixed,
A flange portion covering the outer periphery of the closure plate, a wall surface portion formed integrally with the flange portion, and the wall surface portion, formed of a member having electrical insulation and elasticity interposed between the opposing closure plates And an insulating member having a cylindrical portion that can be inserted into a hole formed in the closing plate.
It arrange | positions so that the outer periphery of the obstruction board which faces the said collar part may be covered, and it inserts the volt | bolt from the said recessed part to the said cylinder part in the state which inserted the said cylinder part in the hole of the obstruction board, and is electrically connected with respect to the said obstruction board with a nut. An insulated connection device for iron sleepers, wherein the left and right sleeper members are integrated through a central sleeper member by tightening in an insulated state.   A ring-shaped bulge is formed on the wall surface of the insulating member, and the closing plate is brought into proximity by tightening bolts and nuts, so that the closing plate is changed from line contact to surface contact with each other. The insulated connection device for iron sleepers according to claim 1, wherein the airtight state can be maintained even on the unevenness.   The upper surface of the connection portion between the left sleeper member and the central sleeper member and the connection portion between the right sleeper member and the central sleeper member is covered with a cover plate in an insulated state with respect to the iron sleeper. The insulated connection device for iron sleepers according to claim 1.   A long hole is formed in the end of the left and right sleeper members, and a buckling prevention pile plate in which a detent protrusion is formed to prevent lifting is inserted in the long hole, and it is driven into the roadbed to move the iron sleeper. The insulated connection device for iron sleepers according to claim 1, which is prevented.   A fixing member is integrally formed at the end of the left and right sleeper members, and the fixing members of the adjacent left and right sleeper members are connected by a movement preventing bracket made up of a terminal member and an extension member whose length can be adjusted. 2. The iron sleeper insulated connection device according to claim 1, wherein the iron sleeper is prevented from moving in the front-rear direction.

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