JP4886410B2 - Railroad branching device - Google Patents

Description

  The present invention relates to an apparatus for preventing a rail from moving in the longitudinal direction, that is, wiping, between a basic rail and a branch floor plate in a sleeper in a railway branching device.

  Conventionally, a washer or rail brace that is attached to the basic rail of a railroad branching device and fixes the basic rail is brought into contact with the abdomen and bottom of the basic rail and the floor plate and is tightened to the floor plate with bolts and nuts. This prevents the spreading between the basic rail and the floor plate, but when the bolts and nuts are loosened, the tightening force of the washer is loosened and the basic rail moves in the longitudinal direction of the rail. There may be various inconveniences, such as movement of members accompanying the movement of the members, for example, inconveniences such as a rolling rod or a front rod attached to the tip of a pair of tongrels coming into contact with the branch sleeper.

Conventionally, a point heater used for a snow melting device of a railway branching unit is attached to a floor plate having a large distance from the rail, and the snow melting between the basic rail and the Tongleil is indirectly performed.
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  1stly, this invention makes it a subject to prevent the spreading | diffusion which generate | occur | produces between the basic track of a branching device for railroads, and a branch floor board.

  Secondly, the present invention is capable of reducing the bolt used when attaching the anti-advance plate to the basic rail, and reducing the cross section of the tongrail so that the strength is not lowered. And

  The third object of the present invention is to increase the snow melting effect between the basic rail and the tongrel in addition to the first and second problems.

According to the first aspect of the present invention, the basic rail of the railroad branching device and the anti-advanced belly plate provided with outward projections are fastened with bolts and nuts via an adhesive material attached to the abdominal portion of the basic rail, so A fitting portion is provided on the prevention washer, the fitting portion is fitted on the outward projection, an upward projection facing the space plate is provided on the floor plate at a distance, and the anti-adhesion washer is opposed to the facing upward. It is characterized by being fitted between the protrusions and fixed to the floor plate.

  According to a second aspect of the present invention, in addition to the above-mentioned means, an insertion hole is formed in the rail longitudinal direction of the bellows plate for preventing advancing, and a point heater for melting snow is inserted into the insertion hole. It is.

  According to the first aspect of the present invention, the anti-advancement belly plate having outward projections is attached to the abdomen of the basic rail by bolts, nuts, and an adhesive, and the anti-advancement anti-advancement plate is fitted to the outward projections of the anti-advancement belly plate. By attaching the advance prevention washer to the floor plate and providing the floor plate with an upward projection that fits into the advance prevention washer, there is an effect of preventing the basic rail from spreading on the floor plate.

  In addition, by attaching the abdomen plate for preventing vagina to the abdomen of the basic rail with bolts, nuts and adhesive, the buoyant force acting on the bolt for attaching the abdomen for preventing vagina is dispersed to the basic rail by the adhesive, As a result, the advancing force acting on the bolt is relaxed to prevent relaxation and breakage, so that the required bolt size can be reduced, and the bolt on the abdomen plate for preventing advancing can interfere with contact with the tongue. This is effective in reducing the strength of the tongrel.

  According to the second aspect of the present invention, in addition to the effect of the first aspect of the invention, in the anti-adhesion belly plate used for the anti-adhesion floor plate, the hole is drilled in the longitudinal direction of the rail, and the purpose is to melt snow in the hole. Since the point heater is inserted, the point heater is closer to the basic rail and the tongrel than before, and it is possible to effectively and easily melt snow.

  A first embodiment will be described. The basic rail 1 is sandwiched between an anti-protrusion belly plate 3 to which the outward projection 30 is fixed and the attachment plates 3a and 3b, and is fixed by a bolt 4 and a nut 4 ', respectively.

  An adhesive 2 made of a prepreg impregnated with a thermosetting resin is sandwiched between the basic rail 1 and the anti-advancing belly plate 3 and between the basic rail 1 and the attachment plates 3a and 3b, and is heated and cured. An abdominal plate 3 for preventing advancement and attachment plates 3 a and 3 b are bonded to the rail 1.

  In the figure, reference numerals a1, a2, a3, and a4 are holes through which the bolts 4 are inserted.

  On the floor board 6 on which the basic rail 1 and the tongrel 10 are placed, a pair of upward projections 60, 60 that are fitted with the anti-advancing washer 5 are provided at intervals. In the meantime, the T-shaped hole 63 is penetrated, and the T-shaped hole 64 is further penetrated outside thereof.

  A fitting portion 50 provided on the anti-adhesion washer 5 is externally fitted to the outward protrusion 30 fixed to the anti-adhesion belly plate 3 attached to the basic rail 1, and a pair of upward protrusions 60 provided on the floor plate 6. , 60 is fitted with the anti-advancing washer 5, and the through hole 5 a of the anti-advancing washer 5 is extrapolated to the T-bolt 51 and tightened to the floor plate 6 with a nut. In addition, the T-bolt 51 is a well-known conventional one in which its head is inserted into the T-shaped hole 63 and moved in the direction of the rail 1 to stand on the floor plate 6.

  The anti-adhesion washer 5 is provided with a fitting portion 50 having a size that fits outwardly on the outward projection 30 provided on the anti-adhesion abdomen plate 3, and the anti-adhesion washer 5 is provided on the floor plate 6. The dimension is set to fit between the upward projections 60, 60 made of a pair of rectangular parallelepipeds. In this way, the urging force generated in the basic rail 1 acts on the anti-adhesion washer 5 through the anti-progression abdomen 3 attached to the basic rail 1, and the reaction force from the floor plate 6 to the upward protrusion 60. , 60 acts on the anti-adhesion washer 5 to prevent the exfoliation generated between the basic rail 1 and the floor board 6.

  An insertion hole 31 into which the point heater 7 is inserted is formed in the stomach plate 3 for preventing advancing, and the point heater 7 is inserted.

  The basic rail 1 is clamped by bolts 4 and nuts 4 'between sandwiched abdominal plates 3 and attachment plates 3a and 3b, and simultaneously bonded by an adhesive 2. An anti-advance washer 5 is fitted to the rectangular parallelepiped outward projection 30 which is fixed and has an inclined surface on the lower surface. At the same time, the anti-advance washer 5 is fitted to the upward projections 60 and 60 provided on the floor plate 6. is doing.

  The floor plate 6 is firmly fastened to the branch sleeper b by using a conventionally known square nail 9 or a T bolt or a fastening spring (not shown). In addition, an adjustable washer 8, which has been conventionally known as a wedge type, is used on the outside of the anti-adhesion washer 5, and the anti-adhesion washer 5 is brought into contact with and fixed to the anti-adhesion belly plate 3. Can do. That is, a slant hole 81 penetrating the adjustable washer 8 is extrapolated to a T-bolt 80 erected on the floor plate 6 in the same manner as the T-shaped bolt 51, and leg pieces 8 a of the adjustable washer 8 are formed in the floor plate 6. The T-bolt 80 is tightened with a nut by sliding in the inclined narrow groove 61 and adjusting the pressing force to the anti-advance washer 5 by the wedge action.

  The heads of the attachment plates 3a and 3b and the bolts 4 are located in the gap between the basic rail 1 and the tongrel 10, but the attachment plates 3a and 3b and the stomach plate 3 for preventing advancing are made of an adhesive ( The prepreg) 2 is bonded to the basic rail 1, and the urging force acting on the anti-advancing belly plate 3 from the basic rail 1 is dispersed on the anti-advancing belly plate 3 by the adhesive 2, and bolts 4, nuts Since the force acting on 4 ′ is relaxed, the dimensions of the bolt 4 and nut 4 ′ can be reduced, and interference such as contact and collision with the Tongrel 10 can be prevented. Therefore, the tongrel 10 having the same cross section as the conventional one can be used as it is, and the strength of the tongrel 10 is not reduced.

  Next, a second embodiment will be described. In principle, the second embodiment is the same as the first embodiment, and common portions are denoted by the same reference numerals and redundant description is omitted.

  In the second embodiment, the adjustable washer 8 used in the first embodiment is not used.

  Therefore, as the outward protrusion 30 of the anti-abdominal belly plate 3 becomes outward, the inclined block 32 having the inclined surface 32a inclined downward and the substantially rectangular parallelepiped block 33 rising from the inclined block 32 are integrated. The advance prevention washer 5 has a substantially inverted home base shape in cross section, and has a concave groove 52 formed in the inward surface 53 and an inclined surface 53 that contacts the inclined block 32 on the inner surface.

  Further, a connecting block 62 having an inclined surface 61 that abuts the outwardly inclined surface 50 of the anti-advance washer 5 is erected outside the upward protrusions 60, 60, and a T-shaped hole 63 is formed between the upward protrusions 60, 60. To do.

  Then, the concave groove 52 is externally fitted to the block 33, the inward surface 53 is brought into contact with the inclined surface 32 a of the inclined block 32, and the upper portion of the outwardly inclined surface 50 of the forward movement washer 5 is brought into contact with the inclined surface 61.

  At this time, the T-bolt 82 is erected from the floor plate 6, that is, inserted into the T-shaped hole 63 at the head of the T-shaped bolt 82, and shifted toward the basic rail 1 as shown in FIG. By inserting the through hole 5a of the washer 5 and tightening the nut 83, the anti-advancing washer 5 can be moved back and forth and up and down, the position can be adjusted, and the T-bolt 82 is tightened with the nut 83 at an effective position. To wear.

  As a result, the urging force generated in the basic rail 1 acts on the anti-adhesion washer 5 through the anti-progression abdomen 3 attached to the basic rail 1, and the reaction force is prevented from propagating from the floor plate 6 through the protrusion 60. Acting on the washer 5, the spreading generated between the basic rail 1 and the floor board 6 is prevented.

1 is a partially cutaway front view showing a first embodiment of the present invention. It is a disassembled perspective view of each member same as the above. It is a left view same as the above. It is a top view same as the above. It is a partially notched front view which shows the 2nd Embodiment of this invention. It is a disassembled perspective view of each member same as the above. It is a left view same as the above. It is a top view same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Basic rail 2 Adhesive material 3 Abdominal plate for anti-progression 4 Bolt 4 'Nut 5 Anti-protrusion washer 6 Floor plate 7 Point heater 30 Outward protrusion 31 Insertion hole 50 Fitting part 60 Upward protrusion

Claims (2)

Fasten bolts and nuts to the anti-advancing washer by fastening the basic rail of the railroad branching device and the anti-advancing anti-protrusion belly plate with an adhesive attached to the abdomen of the basic rail. Provided, the fitting portion is externally fitted to the outward projection, an upward projection facing the space plate on the floor plate is provided in a projecting manner, and the anti-adhesion washer is inserted between the opposing upward projections. And a branching prevention device for a railway branching device, which is fixed to the floor plate. 2. A railroad branching device according to claim 1, wherein an insertion hole is formed in the longitudinal direction of the rail of the bellows for preventing snowing, and a point heater for melting snow is inserted into the insertion hole.

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