JP4116746B2 - Railroad crossing - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a railroad crossing that lays a railroad crossing plate between the inside and outside of a pair of rails to ensure the passage of the road across the track.
[0002]
[Prior art]
Conventionally, as a railroad crossing, a plurality of railroad crossing boards are laid along the length of the rail so as to straddle two or three sleepers on the inner side and the outer side between the rails. Some of the crossing boards are fixed to sleepers with movement prevention brackets.
[0003]
[Problems to be solved by the invention]
By the way, the said movement prevention metal fitting consists of a fixed board fixed to a sleeper with a volt | bolt, and the contact plate which stands up from this fixed board and is applied to the side surface of a level crossing board.
[0004]
However, as described above, when a plurality of level crossings are fixed by applying the contact plates from both sides, only the level crossings positioned on both sides are fixed to the sleepers. Of the boards, the inner level crossing board is not fixed to the sleepers.
[0005]
Therefore, there is a problem that the level crossing plate floats when a heavy object such as a large truck passes over the level crossing plate.
[0006]
Accordingly, the present invention is intended to provide a structure of a level crossing that can firmly fix a plurality of level crossings without lifting.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problem, the present invention provides a plurality of level crossing plates laid on the inner side and the outer side between a pair of rails along the rail direction so as to straddle a plurality of sleepers with respect to the sleepers. And fix it as follows.
[0008]
That is, a fixing rod in which a through hole penetrating in parallel with the rail is formed in a plurality of level crossing plates laid along the rail direction inside and outside between the rails, and a screw thread is formed at least at both ends in the through hole. Is provided with an upper side fixing bracket that contacts the outer side surface of the crossing plate located on both sides, and the upper side fixing bracket is parallel to the upper surface fixing portion that contacts the side edge of the upper surface of the crossing plate and the upper surface of the sleeper. A horizontal fixing portion extending outward is formed, and a lower side fixing bracket is provided to contact the inner side surface of the sleeper. And a lower fixing portion whose outer end portion overlaps the lower surface of the horizontal fixing portion of the upper fixing bracket, and an insertion hole for the fixing rod is provided in the upper side fixing bracket, and the upper side fixing bracket is inserted. Solid protruding from the hole A fixing nut is tightened to the tip of the rod to fix the fixing rod and the upper side fixing bracket together, and the horizontal fixing portion of the upper side fixing bracket and the outer end portion of the lower side fitting overlapping the horizontal fixing portion are connected. They were fixed together with fastening hardware such as bolts and nuts.
[0009]
With this configuration, the fixing bar penetrates the plurality of level crossing plates laid along the length direction of the rail, and the fixing bar is fixed to the sleepers.
[0010]
Therefore, a plurality of level crossing boards laid along the length direction of the rails are fixed to the sleepers without being lifted inside and outside between the rails.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings.
[0012]
There are two types of railroad crossing plates 1, an inner rail plate laid between the rails R and an outer rail plate laid on the outer side between the rails R. As shown in FIG. 1, the inner rail plate is formed in a size straddling two sleepers T, and the outer rail plate is formed in a size straddling three sleepers T.
[0013]
As the railroad crossing plate 1, for example, a rubber chip obtained by pulverizing an old tire to a particle size of about 3 to 1 mm is hardened with an adhesive to form a porous and water-permeable plate. In this case, as an adhesive, for example, Takeda Fake Takenate F139 may be used in an amount of 10 to 30%. Further, it is desirable to reinforce the railroad crossing plate 1 by appropriately embedding a reinforcing material. As the reinforcing material, a hard vinyl chloride hollow plate having a plurality of ribs, a steel pipe, or the like can be used.
[0014]
On one side of the railroad crossing plate 1 is formed an engaging projection 2 that engages with the neck of the rail R, and on both sides of the railroad crossing plate 1 laid on the inner side between the rails R, there is a vehicle wheel. A notch groove 3 that allows the flange to pass therethrough is formed. Moreover, the recessed part 4 in which the fastening device 5 to the sleeper T of the rail R fits in the lower part of both sides of the railroad crossing board 1 is formed.
[0015]
The railroad crossing plate 1 is laid on the inner side and the outer side between the pair of rails R so as to straddle a plurality of the sleepers T, and is fixed to the sleepers T as follows.
[0016]
As shown in FIG. 2, through-holes 6 penetrating in parallel with the rails R are formed in a plurality of level crossing plates 1 laid along the rail direction inside and outside between the rails R. Then, a fixing rod 7 having threads formed at both ends is inserted.
[0017]
On the other hand, before the railroad crossing board 1 is laid on the inner side surface of the sleeper T located on both sides, the lower side surface fixing bracket 8 is installed. A hook 9 is formed at the lower end of the lower side fixing bracket 8 to be hooked on the lower surface of the sleeper T. The upper end passes through the upper surface of the sleeper T and the lower surface of the rail crossing plate 1 at the upper end. A lower fixing portion 10 is formed so as to protrude from the bottom.
[0018]
Furthermore, the upper side surface fixing bracket 11 is installed on the outer side surface of the railroad crossing plate 1 located on both sides. The upper side surface fixing bracket 11 is formed with an upper surface fixing portion 12 corresponding to a side edge portion of the upper surface of the railroad crossing plate 1 and a horizontal fixing portion 13 extending outward in parallel with the upper surface of the sleeper T.
[0019]
The horizontal fixing portion 13 of the upper side fixing bracket 11 and the lower fixing portion 10 of the lower side fixing bracket 8 are fixed by a fastening bracket including a bolt 15 and a nut 16. That is, a bolt insertion hole 14 is formed in the horizontal fixing portion 13 of the upper side fixing bracket 11 and the lower fixing portion 13 of the lower side fixing bracket 8, and a bolt 15 is inserted into the bolt insertion hole 14. By tightening the nut 16 to the horizontal fixing portion 13, the horizontal fixing portion 13 of the upper side surface fixing bracket 11 and the lower fixing portion 10 of the lower side surface fixing bracket 8 can be fixed. A washer fitting 17 is fitted between the head of the bolt and the upper surface of the horizontal fixing portion 13 of the upper side fixing bracket 11.
[0020]
The upper side fixing bracket 11 is formed with an insertion hole 18 for the fixing rod 7. The front end of the fixing rod 7 inserted into the through hole 6 of the level crossing plate 1 is protruded from the insertion hole 18 of the side surface fixing bracket 11, and the fixing nut 19 is tightened to the end of the protruding fixing rod 7 to fix the fixing rod 7. And the upper side surface fixing bracket 11 can be fixed.
[0021]
In order to construct the railroad crossing according to the present invention, first, the railroad crossing plate 1 is placed on the sleeper T outside the rail R, and the engaging convex portion 3 of the railroad crossing plate 1 is engaged with the neck portion outside the rail R. Let Further, the railroad crossing plate 1 is pushed into the inside between the pair of rails R, and the engaging projections 3 are engaged with the inner necks of the rails R while being elastically deformed.
[0022]
Then, as shown in FIG. 2, the lower side fixing bracket 8 is hooked on the inner surface of the sleeper T at both ends of the railroad crossing, the lower end fixing portion 9 of the lower side fixing bracket 8 is hooked on the lower surface of the sleeper T, and the upper lower fixing portion 10 is passed through the upper surface of the sleeper T and the lower surface of the railroad crossing plate 1 so that the outer end protrudes outward of the railroad crossing plate 1.
[0023]
Next, the upper side fixing bracket 11 is applied to the outer side surfaces of the crossing plates 1 at both ends, the horizontal fixing portion 13 of the upper side fixing bracket 11 and the lower fixing portion 10 of the lower side fixing bracket 8 are overlapped, and both bolts are inserted. The holes 14 are aligned, and the bolts 15 are inserted into the bolt insertion holes 14. By tightening a nut 16 at the tip of the bolt 15, the horizontal fixing portion 13 of the upper side fixing bracket 11 and the lower fixing portion 10 of the lower side fixing bracket 8 are fastened.
[0024]
Thereafter, the fixing rod 7 is inserted into the through hole 6 of the crossing plate 1 through the insertion hole 18 of the upper side surface fixing bracket 11, and both ends of the fixing rod 7 are protruded from the insertion hole 18 of the upper side surface fixing bracket 11. Then, the fixing nut 19 is fastened to the tip of the protruding fixing rod 7, and the fixing rod 7 and the upper side surface fixing bracket 11 are fastened and fixed.
[0025]
Thereby, among the plurality of level crossing plates 1 laid along the length direction of the rail R, not only the level crossing plate 1 located on both sides but also the inner level crossing plate 1 penetrates the fixing rod 7 and the sleepers On the other hand, it is fixed without lifting.
[0026]
【The invention's effect】
As described above, in the railroad crossing according to the present invention, all of the plurality of rail crossing plates 1 laid along the length direction of the rail R are fixed to the sleepers T. Even if it passes, the railroad crossing plate 1 does not float up and is safe.
[Brief description of the drawings]
FIG. 1 is an overall plan view of a railroad crossing according to the present invention. FIG. 2 is a partial cross-sectional view showing an essential part of the railroad crossing. FIG. 3 is a partial plan view showing an essential part of the railroad crossing. Side view showing the road 【Explanation of symbols】
R rail T sleeper 1 rail crossing plate 2 engaging convex part 3 notch groove 4 concave part 5 fastening device 6 through-hole 7 fixing rod 8 lower side fixing metal 9 hooking part 10 lower fixing part 11 upper side fixing metal 12 upper surface fixing part 13 horizontal fixing Part 14 Bolt insertion hole 15 Bolt 16 Nut 17 Washer fitting 18 Insertion hole 19 Fixing nut

Claims (2)

A plurality of level crossings are laid on the inside and outside between the rails, with a plurality of level crossing boards laid along the length of the rail so as to straddle a plurality of sleepers on the inside and outside of the two rails, respectively. A through-hole that penetrates the plate in parallel with the rail is formed, and a fixing rod that is threaded at least at both ends is inserted into the through-hole, and the upper side surface is fixed to the outer side surface of the crossing plate located on both sides. The upper side fixing bracket is provided with an upper side fixing portion that hits the side edge of the upper surface of the crossing plate, and a horizontal fixing portion that extends outward in parallel with the upper surface of the sleeper, and is applied to the inner side surface of the sleeper. A side fixing bracket is provided, and a hook portion that is hooked on the lower surface of the sleeper, a lower fixing portion that passes between the sleeper and the crossing plate, and has an outer end portion that overlaps the lower surface of the horizontal fixing portion of the upper fixing panel. Forming the upper side The constant bracket, provided an insertion hole of the fixing rod, by tightening the fixing nut to the tip of the fixing rod which projects from the through hole of the upper side fixing bracket, and a fixing rod and the upper side fixing bracket fixed integrally A railroad crossing characterized in that a horizontal fixing portion of the upper side fixing bracket and an outer end portion of a lower side panel overlapping the horizontal fixing portion are integrally fixed with a fastening bracket.   The railroad crossing according to claim 1, wherein the railroad crossing plate is made of a porous and water-permeable plate-like body in which rubber chips are hardened with an adhesive.

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