Pole installation tool for railway rail, and approach preventing fence for railway rail used with pole installation tool for railway rail

Abstract

To securely fix even rails having different cross-sectional shapes.SOLUTION: A pole installation tool for railway rails comprises: a base part 21 provided with holding piece fixing parts 21c having rail bottom part one end holding parts 21b and pin holes 21c1 and provided with a pole support part 21d to support a pole; and a rail bottom part other end holding piece 22 that is installed movably on a base plate 21a, provided with multiple pin holes 22a3 to 22a5 according to rail bottom part widths with different cross-sectional shapes, and allows a holding piece fixing pin 24 to pass through when coincide with them and the pin holes 21c1 of the holding piece fixing part 21c to press the other end of the rail bottom part. The rail bottom part one end holding parts 21b and the rail bottom other end holding piece 22 each have different inclined angle rail end part holding inclined planes 21b1, 21b2, 22a1, 22a2 corresponding to cross-sectional shapes at one end and the other end of the rail bottom part with different cross-sectional shapes.SELECTED DRAWING: Figure 13

Description

[Technical field]

[0001] The present invention relates to a railway rail pole installation tool for installing poles on railway rails, and to an intrusion prevention fence for railway rails that uses two sets of such railway rail pole installation tools. [Background technology]

[0002] When performing maintenance work such as changing sleepers or inspecting bridges on which railway rails are laid, temporary scaffolding is set up to prevent workers from accidentally falling off the bridge, and workers are required to perform the work while wearing a lifeline attached to their body and the other end of the lifeline attached to the top end of a pole of a lifeline attachment device fixed to the rail (see, for example, Patent Document 1).

[0003] In addition, a railway safety fence has also been proposed in which a safety fence is set up along the track where trains pass by hanging ropes or the like on the upper ends of the poles of the pole mounting fixtures fixed to the rails at specified intervals as described above, thereby preventing workers from accidentally entering the track where trains pass (see, for example, Patent Document 2). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2004-215960 A [Patent Document 2] JP 2009-13593 A Summary of the Invention [Problem to be solved by the invention]

[0005] Incidentally, there are different standards (types) of cross-sectional shapes of railway rails, such as 30kg rails, 37kg rails, 60kg rails, 50kgN rails, 40kgN rails, etc., and rails with different rail head heights, rail bottom widths, and inclined surface angles are currently in use.

[0006] However, the railway rail pole installation devices in the above-mentioned Patent Documents 1 and 2 have rail bottom pressing sections that are adapted to one type of rail bottom shape (the clamping section main body 3 and the hook section 4 in Patent Document 1, and the hook section 24 and pressing section 28 in Patent Document 2), so when rails have different standards and cross-sectional shapes, they cannot reliably press down on both sides of the rail bottom, and there is a problem that they may fall over or come off due to vibrations, wind, etc.

[0007] In particular, in regional bridges where railway rails are laid, nets or steel plates to prevent falling objects may not be provided under the sleepers, and there is a demand for safety measures such as installing railway rail prevention fences to prevent workers from accidentally entering these areas during inspection and maintenance work.

[0008] The present invention has been made with attention to these points, and aims to provide a pole installation device for railway rails that can securely fix rails even if they have different cross-sectional shapes, and an intrusion prevention fence for railway rails that uses this pole installation device for railway rails. [Means for solving the problem]

[0009] In order to solve the above-mentioned problems, the pole installation device for railway rails of the present invention is adapted to be passed under a railway rail and has a rail bottom one-end pressing part on its upper surface which presses one end of the rail bottom from above, as well as a base part on which a pole support part which supports a pole is provided, and a rail bottom other-end pressing piece which is slidably and fixably installed on the base part and presses the other end of the rail bottom from above, and is characterized in that the rail bottom is pressed by the rail end pressing inclined surface which corresponds to the cross-sectional shape of the rail bottom at one end and the other end, each of which has a different cross-sectional shape. In addition, in the railway rail pole installation tool of the present invention, the base portion is provided with a pressure piece fixing portion having a pin hole through which a pressure piece fixing pin is passed at a position away from the rail bottom one end pressing portion by at least the width of the rail bottom, and the rail bottom other end pressing piece is provided with a plurality of pin holes through which the pressure piece fixing pin passes depending on the width of the rail bottom of different cross-sectional shapes, and the rail bottom other end pressing piece is fixed to the base portion by aligning the pin hole of the pressure piece fixing portion with the plurality of pin holes and passing the pressure piece fixing pin through it depending on the width of the rail bottom where the railway rail pole installation tool is to be installed. In addition, in the pole installation device for railway rails of the present invention, the pole support part has a pole support base part extending from the base part to a height less than the neck part of the rail of different cross-sectional shape, a horizontal arm part extending from the upper part of the pole support base in a direction away from the pressure piece fixing part and forming a space of a predetermined height between its lower end surface and the upper surface of the base part, and a pole fixing part extending upward from the tip of the horizontal arm part and into which the lower end part of the pole is fitted to fix it. In addition, the railway rail pole installation device of the present invention is also characterized in that the pole support portion is provided on the base portion either integrally with the rail bottom end pressing portion or joined to the rail bottom end pressing portion by welding or the like. In addition, the intrusion prevention fence for railway rails of the present invention comprises two sets of railway rail pole installation devices described above, two poles supported by the pole support parts of each of the two sets of railway rail pole installation devices, and two intrusion prevention pipes that are stretched between the two poles and cross the rails, and the upper and lower parts of the two poles are each provided with pipe hanging parts to which the ends of the two intrusion prevention pipes are hung, while between the upper and lower pipe hanging parts of the two poles are each attached a warning tape reel wound with a warning tape and a warning tape receiving part that receives the tip of the warning tape, and the two intrusion prevention pipes and the warning tape are provided between the two poles. In addition, in the intrusion prevention fence for railway rails of the present invention, the pipe body of the intrusion prevention pipe is configured in sections, and the divided pipe bodies are connected by a spigot joint so that the fitting length can be changed, and the overall length of the intrusion prevention pipe can be adjusted to accommodate changes in the gauge of the rail. Effect of the Invention

[0010] In the railway rail pole installation device and railway rail intrusion prevention fence of the present invention, a rail bottom one end pressing portion is provided on the upper surface of the base, and a rail bottom other end pressing piece is installed so as to be able to slide and be fixed, and the rail bottom one end pressing portion and the rail bottom other end pressing piece are each provided with a plurality of rail end pressing inclined surfaces of different inclination angles corresponding to the cross-sectional shapes of one end and the other end of the rail bottom, which have different cross-sectional shapes. Therefore, even if the cross-sectional shape of the rail bottom is different, it can be securely fixed by the rail end pressing inclined surface of the rail bottom one end pressing portion and the rail bottom other end pressing piece that correspond to the cross-sectional shape of the rail bottom. [Brief description of the drawings]

[0011] [Figure 1] 1 is a front view showing a state in which an intrusion prevention fence for a railway rail using a railway rail pole installation tool or the like according to an embodiment of the present invention is installed on a rail. [Diagram 2] 1 is a diagram showing a disassembled state of an intrusion prevention fence for railway rails using a railway rail pole installation tool and the like according to an embodiment of the present invention. FIG. [Diagram 3] 1 is a front view showing the relationship between an intrusion prevention fence for a railway rail using a railway rail pole installation tool of an embodiment of the present invention and a train, a bogie, etc. running on the rail. [Figure 4] 1A and 1B are a front view of a base portion constituting a railway rail pole installation tool according to an embodiment of the present invention, and an enlarged front view of a rail bottom one end pressing portion, respectively. [Diagram 5]1A to 1C are a plan view, a left side view, and a right side view, respectively, of a base portion that constitutes a railway rail pole installation tool of an embodiment according to the present invention. [Figure 6] 3A to 3C are a front view, a plan view, and a right side view, respectively, of a rail bottom other end pressing piece that constitutes the railway rail pole installation tool of the embodiment according to the present invention. [Figure 7] 1A to 1C are a front view, a left side view, and a bottom view, respectively, of a pole that constitutes an intrusion prevention fence for a railway rail according to an embodiment of the present invention. [Figure 8] 1 is an overall front view showing a state in which a railway rail pole installation tool according to an embodiment of the present invention is fixed to 60 kg rails on both sides to install an intrusion prevention fence for a railway rail. FIG. [Figure 9] 1A and 1B are an enlarged plan view and an enlarged front view, respectively, of a main portion of a railway rail pole installation tool according to an embodiment of the present invention, showing the installed state of the railway rail pole installation tool when fixed to a 60 kg rail. [Figure 10] 1 is an overall front view showing a state in which a railway rail pole installation tool according to an embodiment of the present invention is fixed to 50 kgN rails on both sides to install an intrusion prevention fence for a railway rail. FIG. [Figure 11] 1A and 1B are an enlarged plan view and an enlarged front view, respectively, of a main portion of a railway rail pole installation tool according to an embodiment of the present invention, showing the installed state of the railway rail pole installation tool when fixed to a 50 kgN rail. [Figure 12] 1 is an overall front view showing a state in which a railway rail pole installation tool according to an embodiment of the present invention is fixed to 40 kgN rails on both sides to install an intrusion prevention fence for a railway rail. FIG. [Figure 13] 1A and 1B are an enlarged plan view and an enlarged front view of a main portion, respectively, showing the installed state of a railway rail pole installation tool of an embodiment of the present invention when the railway rail pole installation tool is fixed to a 40 kgN rail. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] Hereinafter, a detailed description will be given of a railway rail pole installation tool 2 according to an embodiment of the present invention, and an intrusion prevention fence 1 for railway rails using the railway rail pole installation tool 2, etc., with reference to the attached drawings. Note that the railway rail pole installation tool 2 and the railway rail intrusion prevention fence 1 according to the embodiment described below are merely examples of the present invention, and the present invention is not limited to the following embodiment, and can be modified as appropriate within the scope of the technical concept of the present invention.

[0013] <Configuration of the railway rail intrusion prevention fence 1 according to the embodiment> As shown in Figures 1 and 2, an intrusion prevention fence 1 for railway rails according to an embodiment of the present invention is composed of two sets of pole installation devices 2 for railway rails, two poles 3, two intrusion prevention pipes 4 made of PVC, a warning tape reel 5, etc.

[0014] Fig. 1 is a front view showing an intrusion prevention fence for railway rails 1 according to an embodiment of the present invention installed between 50 kgN rails R, R, and Fig. 2 is a view showing an exploded view of the intrusion prevention fence for railway rails 1. Fig. 3 is a front view showing the relationship between the intrusion prevention fence for railway rails 1 and the contour line OL of a train running on the rails, a 3-ton bogie T1, a 1-ton bogie T2, etc. In addition, in this embodiment, the cross-sectional shape of the rail R will be described using three types of rail R standards, namely, a 60 kg rail, a 50 kgN rail, and a 40 kgN rail, which are still used on local single tracks, etc.

[0015] (Train rail pole installation tool 2) The railway rail pole installation tool 2 of embodiment 1 according to the present invention is configured to include a base portion 21 that is passed under the railway rail R, and a rail bottom other end pressing piece 22 that is separate from the base portion 21, as shown in Figures 1 and 2, etc.

[0016] (Base part 21) As shown in Figures 4 and 5, the base portion 21 is composed of a base plate 21a that is passed under the railway rail R, a rail bottom one-end pressing portion 21b that is attached to the upper surface of the base plate 21a by welding or the like and presses down one end of the bottom of the rail R from above, a pair of pressing piece fixing portions 21c, 21c having pin holes 21c1 provided at a position away from the rail bottom one-end pressing portion 21b by at least the width of the bottom of the 60 kg rail, which is the widest of the three types of rail R, namely the 60 kg rail, the 50 kgN rail, and the 40 kgN rail, and a pole support portion 21d that supports the pole 3.

[0017] As shown in FIG. 5(a) and other figures, the base plate 21a is a substantially rectangular steel plate having an opening 21a1 for reducing weight in the center.

[0018] The rail bottom one end pressing portions 21b are provided by welding or the like on both the left and right sides of one end side in the longitudinal direction of the base plate 21a (the right side in Figs. 4 and 5) and serve to press down one end of the bottom of the rail R from above.

[0019] The railway rail pole installation device 2 of this embodiment is configured to be able to be installed on any of the three types of rail R, namely, 60kg rail, 50kgN rail and 40kgN rail, so the rail bottom one end pressing portion 21b has two first rail end pressing inclined surfaces 21b1 and a second rail end pressing inclined surface 21b2 which correspond to the inclinations of the bottom of the three types of rail R, namely, 60kg rail, 50kgN rail and 40kgN rail.

[0020] The first rail end pressing inclined surface 21b1 is an inclined surface having an inclination angle of about 15 degrees with respect to the upper surface of the base plate 21a, corresponding to the inclination angle of the bottom of the rail R of the 60 kg rail and the 50 kgN rail. The second rail end pressing inclined surface 21b2 is an inclined surface having an inclination angle of about 6 degrees with respect to the upper surface of the base plate 21a, corresponding to the inclination angle of the bottom of the rail R of the 40 kgN rail.

[0021] The pair of pressure piece fixing portions 21c, 21c are provided at a position away from the rail bottom one end pressure pieces 21b, 21b by at least the width of the bottom of the 60 kg rail R which has the widest bottom width of the rail R, and have a pin hole 21c1 through which the pressure piece fixing pin 24 is passed, and the pressure piece fixing pin 24 fixes the rail bottom other end pressure piece 22 according to the three types of widths of the bottom of the rail R.

[0022] The pole support portion 21d has a pole support base 21d1 extending from the base plate 21a to a height less than the neck of the rail R having a different cross-sectional shape, a horizontal arm portion 21d2 extending from the upper part of the pole support base 21d1 in a direction away from the pressure piece fixing portions 21c, 21c (upper and rightward in Figures 4 and 5(a)) and forming a space of a predetermined height between its lower end surface and the upper surface of the base portion 21, and a pole fixing portion 21d3 extending upward from the tip of the horizontal arm portion 21d2 and into which the lower end of the pole 3 is fitted and fixed.

[0023] The pole support base 21d1 utilizes a channel steel formed in a U-shape when viewed in a plane as shown in Figures 5(a) and (b), and the flange portions on both sides are joined by welding or the like to the rail bottom one end pressing portions 21b, 21b in a protruding state, with the first rail end pressing inclined surfaces 21b1 and the second rail end pressing inclined surfaces 21b2 being integral with the rail bottom one end pressing portions 21b, 21b.

[0024] The horizontal arm portion 21d2 also utilizes a channel steel formed in a U-shape when viewed in a plane, as shown in Figures 5(b) and (c), and extends horizontally from the upper part of the pole support base 21d1 in a direction away from the pressure piece fixing portions 21c, 21c (upper rightward in Figures 4 and 5(a)), so as to form a space of a predetermined height H1 between the lower end surface of the horizontal arm portion 21d2 and the upper surface of the base portion 21.

[0025] The pole fixing portion 21d3 is made of a pipe-shaped steel tube, extends upward from the tip of the horizontal arm portion 21d2, and fixes the pole 3 with a pole fixing pin 23 (see FIG. 1, etc.) into which the lower end of the pole 3 fits and which passes through a pin hole 21d31.

[0026] Here, even when the pole 3 is installed on each of the two rails R, R via the rail pole installation tool 2 as shown in Fig. 3, the width W1 (see Fig. 4(a)) from the center of the base plate 21a to the inner surface of the pole fixing part 21d3 is secured so that the track maintenance work carts used in this rail, such as the 3-ton cart T1 and the 1-ton cart T2, do not interfere with the pole 3. Also, the height H1 (see Fig. 4(a)) from the bottom surface of the base plate 21a to the lower end surface of the horizontal arm part 21d2 is set to a height equal to or greater than the height of the angle iron 6 installed on the outside of the rails R, R on the sleeper M as shown in Figs. 1 and 3, etc., so as not to interfere with the metal fittings, such as the angle iron 6, installed on the outside of the rail R on the sleeper M. In Fig. 3, OL is the outline of the train running on these rails R, R.

[0027] (Rail bottom other end pressing piece 22) The rail bottom other end pressing piece 22 is formed separately from the base portion 21, and is a component that holds down the other end of the bottom of the rail R by installing the base plate 21a of the base portion 21 in a movable (slidable) manner and fixes the bottom of the rail R between itself and the rail bottom one end pressing piece 21b. As shown in Figures 6(a) to (c), it is formed by welding a pair of pressing piece main bodies 22a, 22a to three pin insertion steel pipe portions 22b, 22c, 22d that are provided on the pair of pressing piece main bodies 22a, 22a and through which the pressing piece fixing pin 24 (see Figures 9, 11 and 13) passes.

[0028] The tips of the pair of pressure piece bodies 22a, 22a, like the tip of the rail bottom one end pressing portion 21b of the base portion 21, have a first rail end pressing inclined surface 22a1 and a second rail end pressing inclined surface 22a2 corresponding to the inclination of the bottom of the three types of rail R, i.e., 60kg rail, 50kgN rail and 40kgN rail, so that both sides of the bottom of the three types of rail R, i.e., 60kg rail, 50kgN rail and 40kgN rail, can be securely pressed down from above.

[0029] The first rail end pressing inclined surface 22a1 of the pressing piece main body 22a is inclined at an angle of approximately 15 degrees with respect to the upper surface of the base plate 21a, corresponding to the inclination angle of the bottom of the rail R of the 60 kg rail and the 50 kgN rail, and the second rail end pressing inclined surface 22a2 is inclined at an angle of approximately 6 degrees with respect to the upper surface of the base plate 21a, corresponding to the inclination angle of the bottom of the rail R of the 40 kgN rail.

[0030] In addition, since the widths of the bottom of the three types of rails R, 60kg rail, 50kgN rail and 40kgN rail, are different, the pair of pressure piece bodies 22a, 22a are each provided with holes into which the three pin insertion steel pipe sections 22b, 22c, 22d are fitted so that the rail bottom other end pressure piece 22 can slide on the base section 21 and be fixed in a position according to the width of the bottom of the rail R of the three standards, 60kg rail, 50kgN rail and 40kgN rail, and three pin holes 22a3, 22a4, 22a5 are provided by fitting the three pin insertion steel pipe sections 22b, 22c, 22d into the holes and welding them on the inside.

[0031] (Presser piece fixing pin 24) The presser piece fixing pin 24 is a pin that fixes the rail bottom other end presser piece 22 to the base plate 21a by passing through the pin holes 21c1, 21c1 of the pair of presser piece fixing parts 21c, 21c and one of the three pin holes 22a3, 22a4, 22a5 of the rail bottom other end presser piece 22. A retaining protrusion that moves in and out from the outer surface by a built-in spring (not shown) or the like is provided at the tip of the presser piece fixing pin 24 so that it does not easily fall out of the pin holes 21c1, 21c1 of the presser piece fixing parts 21c, 21c, and a ring or the like is provided at the base of the presser piece fixing pin 24.

[0032] (Pole 3) The pole 3 is inserted into the pole fixing portion 21d3 of the pole support portion 21d of the railway rail pole installation device 2 configured as described above and fixed by the pole fixing pin 23. As shown in Figure 7 etc., the pole body 3a is formed from a metal pipe, a pin hole 3b into which the pole fixing pin 23 is inserted, a warning light installation plate 3c on which a warning light 7 (see Figures 1, 2 etc.) is detachably installed, pipe hanging portions 3d, 3e into which a hanging pipe 4c provided at both ends of an intrusion prevention pipe 4 crossing the rail R is inserted and hung, and two warning tape mounting holes 3f, 3f are provided between the two upper and lower pipe hanging portions 3d, 3e on the pole body 3a for receiving a warning tape reel 5a or the tip of the warning tape which is the tip of the warning tape.

[0033] (Anti-intrusion pipe 4) The intrusion prevention pipe 4 is an insulating pipe made of PVC or the like that is hung horizontally between two poles 3, 3 installed on railway rail pole installation fixtures 2, 2 that are installed on the rails R on both sides as shown in Figure 1, etc., and is composed of two parts so that it can be connected with a spigot joint 4b as shown in Figure 2, and each part is composed of two pipe bodies 4a, 4a, a spigot joint 4b, and a hanging pipe 4c.

[0034] The reason why an insulating pipe such as PVC is used as the intrusion prevention pipe 4 is that the intrusion prevention pipe 4 is a pipe hung horizontally between the two poles 3, 3, and it is assumed that the poles 3, 3 are made of metal steel pipes, and therefore if a metal pipe were used for the intrusion prevention pipe 4 as well, the intrusion prevention pipe 4 would short-circuit with the rail R, causing the current of signals, etc. flowing on the rail R to also flow through the intrusion prevention pipe 4, which could result in electric shock or disruption to train operations, etc., and this must be prevented. The warning tape 5b extending from the warning tape reel 5 is also insulating to prevent short circuits.

[0035] The two divided pipe bodies 4a, 4a are configured to be connectable by the spigot joint 4b so that the fitting length can be changed. Therefore, the spigot joint 4b has a length of about 100 mm so that it can be adapted to cases where the gauge changes due to slack in the curved section of the rails R, R, or where the distance between the poles 3, 3 supported by the rail pole installation tool 2 fixed to the left and right rails R of different cross-sectional shapes such as a 60 kg rail, a 50 kgN rail, a 40 kgN rail, etc. is changed, as shown in Figures 8, 10, and 12 described later.

[0036] (Caution Tape Reel 5) The warning tape reel 5 is used by attaching a reel body 5a to the warning tape mounting holes 3f, 3f of one of the poles 3 (the left side in Figure 1), and as shown in Figure 1 etc., it is composed of the reel body 5a, a warning tape 5b on which words such as "Danger! No Entry" are written and which is automatically stored in the reel body 5a by a spring or the like, a tape tip adhesion part 5c such as a magnet provided at the tip of the warning tape 5b, and an adhesion plate 5d which is attached to the warning tape mounting holes 3f, 3f of the other pole 3 (the right side in Figure 1) and to which the tape tip adhesion part 5c is detachably attached.

[0037] <How to use the railroad rail intrusion prevention fence 1 using the railroad rail pole installation tool 2, etc.> Next, the fixed state of the rail rail pole installation tool 2 when installing the thus constructed rail rail intrusion prevention fence 1 on three types of rail R, for example, a 60 kg rail, a 50 kgN rail, and a 40 kgN rail, will be described with reference to the drawings. Note that in the following figures, the installation of the rail rail intrusion prevention fence 1 is not yet complete as shown in Fig. 1, and the rail rail pole installation tool 2 is fixed to each of the rails R, R on both sides to install the first intrusion prevention pipe 4, and the illustration of the warning tape reel 5, the second intrusion prevention pipe 4, etc. is omitted.

[0038] (When mounting on a 60kg rail) Figure 8 is an overall front view of the railway rail pole installation device 2 fixed to rails R, R of a 60 kg rail to install an intrusion prevention fence 1 for railway rails, and Figures 9(a) and (b) are an enlarged plan view and an enlarged front view of the essential parts, respectively, showing the installation of the railway rail pole installation device 2 on rail R of the 60 kg rail.

[0039] When the rail R is a 60 kg rail, as shown in Figures 9(a) and (b), the pin hole 21c1 (see Figure 4(a) etc.) of the pressure piece fixing portion 21c, 21c is aligned with the pin hole 22a3 (see Figure 6(a) etc.) of the rail bottom other end pressure piece 22, and the pressure piece fixing pin 24 is passed through, and both sides of the bottom of the 60 kg rail R are sandwiched between the rail bottom one end pressure portion 21b and the rail bottom other end pressure piece 22.

[0040] At this time, as shown in Figures 9(a) and (b), the first rail end pressing inclined surface 21b1 of the rail bottom one end pressing portion 21b and the first rail end pressing inclined surface 22a1 of the rail bottom other end pressing piece 22 abut against the upper surface of both sides of the bottom of the 60 kg rail R, thereby securely pressing and fixing both sides of the bottom of the 60 kg rail R from above.

[0041] In addition, in the case of a 60 kg rail, the distance between the poles 3, 3 of the railway rail intrusion prevention fence 1 installed on two rails R, R as shown in Figure 8 is 1806 mm, which is wider than the distance in the cases of the 50 kg N rail and 40 kg N rail described later, and the exposed portion of the spigot joint 4b is the longest among these three types of rail R.

[0042] (When mounting on a 50kgN rail) Figure 10 is an overall front view of the railway rail pole installation device 2 fixed to rails R, R of a 50 kgN rail to install an intrusion prevention fence 1 for railway rails, and Figures 11(a) and (b) are an enlarged plan view and an enlarged front view of the essential parts, respectively, showing the installation of the railway rail pole installation device 2 on rail R of a 50 kgN rail.

[0043] In the case where the rail R is a 50 kgN rail, as shown in Figures 11(a) and (b), the pin hole 21c1 (see Figure 4(a) etc.) of the pressure piece fixing parts 21c, 21c is aligned with the pin hole 22a4 (see Figure 6(a) etc.) of the rail bottom other end pressure piece 22, and the pressure piece fixing pin 24 is passed through, and both sides of the bottom of the 50 kgN rail R are sandwiched between the rail bottom one end pressure part 21b and the rail bottom other end pressure piece 22.

[0044] In this case, as shown in Figures 11(a) and (b), just like in the case of the 60 kg rail, the first rail end pressing inclined surface 21b1 of the rail bottom one end pressing part 21b, which has an inclination angle of 15 degrees with respect to the upper surface of the base plate 21a, and the first rail end pressing inclined surface 22a1 of the rail bottom other end pressing piece 22 abut against the upper surface on both sides of the bottom of the 50 kg rail R, reliably pressing down and fixing both sides of the bottom of the 50 kg rail R from above.

[0045] In the case of a 50 kgN rail, as shown in Figure 10, the distance between the poles 3, 3 of the railway rail intrusion prevention fence 1 installed on two rails R, R is 1788 mm, which is shorter than the distance in the case of the 60 kg rail described above, and therefore the exposed portion of the spigot joint 4b is shorter.

[0046] (When mounting on a 40kgN rail) Figure 12 is an overall front view of the railway rail pole installation device 2 fixed to rails R, R of a 40 kgN rail to install an intrusion prevention fence 1 for railway rails, and Figures 13(a) and (b) are an enlarged plan view and an enlarged front view of the essential parts, respectively, showing the installation of the railway rail pole installation device 2 on rail R of a 40 kgN rail.

[0047] When the rail R is a 40 kgN rail, as shown in Figures 12(a) and (b), the pin hole 21c1 (see Figure 4(a) etc.) of the pressure piece fixing portion 21c, 21c is aligned with the pin hole 22a5 (see Figure 6(a) etc.) of the rail bottom other end pressure piece 22, and the pressure piece fixing pin 24 is passed through, and both sides of the bottom of the 40 kgN rail R are sandwiched between the rail bottom one end pressure portion 21b and the rail bottom other end pressure piece 22.

[0048] At this time, as shown in Figures 13(a) and (b), the second rail end pressing inclined surface 21b2 of the rail bottom one end pressing part 21b, which has an inclination angle of 6 degrees with respect to the upper surface of the base plate 21a, and the second rail end pressing inclined surface 22a2 of the rail bottom other end pressing piece 22 abut against the upper surface on both sides of the bottom of the 40 kg rail R, thereby securely pressing down and fixing both sides of the bottom of the 40 kg rail R from above.

[0049] Furthermore, in the case of a 40kgN rail, the distance between the poles 3, 3 of the railway rail intrusion prevention fence 1 installed on two rails R, R as shown in Figure 12 is 1763 mm, which is shorter than the distance in the case of the 60kg and 50kgN rails mentioned above, and the entire spigot joint 4b is contained within the pipe main body 4a, so that there is no exposed portion of the spigot joint 4b or it is shorter than in the case of the 60kg rail and 50kgN rail.

[0050] <Summary of the railway rail pole installation tool and railway rail intrusion prevention fence 1 according to the present invention> As described above, in the embodiment of the railway rail pole installation tool 2 of the present invention and the railway rail intrusion prevention fence 1 using the railway rail pole installation tool 2, the rail bottom one end pressing portion 21b and the rail bottom other end pressing piece 22 respectively have rail end pressing inclined surfaces 21b1, 21b2 and rail end pressing inclined surfaces 22a1, 22a2 of different inclination angles corresponding to the cross-sectional shapes of one end and the other end of the bottom of the rail R, which have different cross-sectional shapes, and the rail bottom other end pressing piece 22 is configured to slide on the base plate 21a according to the width of the bottom of the rail R, which has different cross-sectional shapes, and to be fixed by the pressing piece fixing pin 24.

[0051] Therefore, even if the rails R are of different standards and have different cross-sectional shapes and different widths and inclination angles at the bottom of the rail R, they can be securely fixed with a single railway rail pole installation device 2, which reduces costs.In addition, by installing an intrusion prevention fence 1 for railway rails between rails R, R using two sets of these railway rail pole installation devices 2, two poles 3, two intrusion prevention pipes 4, a warning tape reel 5, etc., a low-cost configuration can be used to perform safe and efficient maintenance work.

[0052] Furthermore, in the embodiment of the railway rail pole installation tool 2 of the present invention and the railway rail anti-intrusion fence 1 using the railway rail pole installation tool 2, the pole support part 21d has a pole support base 21d1 extending from the base part 21 to a height less than the neck of the rail R having a different cross-sectional shape, a horizontal arm part 21d2 extending from the upper part of the pole support base 21d1 in a direction away from the pressure piece fixing parts 21c, 21c and forming a space of a predetermined height between the lower end surface and the upper surface of the base part 21, and a pole fixing part 21d3 extending upward from the tip of the horizontal arm part 21d2 and into which the lower end of the pole 3 is fitted and fixed.

[0053] Therefore, according to the embodiment of the railway rail pole installation tool 2, even if there is an angle iron 6 or the like on the outside of the rail R, the horizontal arm portion 21d2 of the pole support portion 21d can be prevented from interfering with the pole 3 and the railway rail intrusion prevention fence 1 can be easily installed between the rails R, R, thereby improving the workability of track maintenance work.

[0054] Furthermore, in the embodiment of the railway rail pole installation device 2 of the present invention and the railway rail intrusion prevention fence 1 using the railway rail pole installation device 2, the pole support base 21d1 of the pole support portion 21d is joined to the rail bottom end pressing portion 21b by welding or the like and is provided on the base plate 21a.

[0055] As a result, the strength of the pole support portion 21d is improved, and when an intrusion prevention fence 1 for railway rails is constructed by attaching two anti-intrusion pipes 4 across the rails R, R between the poles 3, 3 installed by two sets of railway rail pole installation devices 2, the two poles 3, 3 supporting both ends of the two anti-intrusion pipes 4 are each pulled toward the center due to the weight of the two anti-intrusion pipes 4, etc.

[0056] In addition, between the two intrusion prevention pipes 4, 4 between the poles 3, 3, a warning tape reel 5 is provided with a warning tape 5b that is automatically retractable by a spring or the like and wound around a reel body 5a, so that when the reel body 5a is attached to one pole 3 (the left side in FIG. 1) as shown in FIG. 1 and the tip of the warning tape 5b stretched from the reel body 5a is attached to the tape tip suction part 5c of the other pole 3 (the right side in FIG. 1), the two poles 3, 3 are inevitably pulled toward the center by the spring inside the reel body 5a. In addition, when the warning tape 5b encounters resistance from wind or the like, the two poles 3, 3 are also pulled toward the center.

[0057] As a result, by pulling each of the two poles 3, 3 toward the center, the rail bottom end pressing portion 21b of each of the two sets of railway rail pole installation devices 2 is pressed inward, causing the first rail end pressing inclined surface 22a1 and the second rail end pressing inclined surface 22a2 of the rail bottom end pressing portion 21b to be pressed downward, so that the bottom of rails R of different cross-sectional shapes can be more reliably pressed.

[0058] Furthermore, in the embodiment of the railway rail pole installation tool 2 according to the present invention, and an intrusion prevention fence 1 for railway rails using the railway rail pole installation tool 2, etc., there are provided a pole main body 3a formed from a metal pipe, a pin hole 3b into which a pole fixing pin 23 is inserted, a warning light installation plate 3c on which a warning light 7 is detachably installed, pipe hanging parts 3d, 3e into which a hanging pipe 4c provided at both ends of an intrusion prevention pipe 4 that crosses the rail R is inserted and hung, and two warning tape mounting holes 3f, 3f for receiving a warning tape reel 5a or its tip, the warning tape tip part 5c, are provided between the two pipe hanging parts 3d, 3e at the top and bottom of the pole main body 3a.

[0059] Therefore, the embodiment of the present invention relates to an intrusion prevention fence 1 for railway rails, which comprises two sets of the above-mentioned railway rail pole installation devices 2 to erect two poles 3, 3, and two intrusion prevention pipes 4, 4 spaced apart vertically between the two poles 3, 3, and a warning tape 5b can be stretched between the intrusion prevention pipes 4, 4. This makes it possible to easily install the intrusion prevention fence 1 for railway rails between the rails R, R, thereby improving the workability of maintenance work.

[0060] In addition, the railway rail intrusion prevention fence 1 of the embodiment of the present invention comprises two sets of the above-mentioned railway rail pole installation devices 2, two poles 3, 3 supported by the pole support parts 21d of each of the two sets of railway rail pole installation devices 2, and two intrusion prevention pipes 4, 4 that are stretched between the two poles 3, 3 and cross the rails R, and a warning light 7 is provided at the upper ends of the poles 3, 3, while between the lower and upper ends of the poles 3, 3, pipe hanging parts 3d, 3e to which one ends of the intrusion prevention pipes 4, 4 are hung, and a warning tape receiving part that receives the tip of the warning tape reel 5a or the warning tape 5b is provided, and the warning tape 5b of the warning tape reel 5a is hung so that the intrusion prevention pipe 4 and the warning tape 5b are hung between the poles 3 of the pair of railway rail pole installation devices.

[0061] Therefore, it is possible to more reliably prevent maintenance workers from crossing over the road rail intrusion prevention fence 1, etc., and maintenance work can be carried out more safely and efficiently with an inexpensive configuration.

[0062] In addition, in the embodiment of the intrusion prevention fence 1 for railway rails according to the present invention, the intrusion prevention pipe 4 is composed of two divided pipe bodies 4a, 4a, and the divided pipe bodies 4a, 4a are configured so that they can be connected by a spigot joint portion 4b so that the fitting length can be changed.

[0063] Therefore, even if the gauge changes due to slack in the curved section of the rails R, R, or if the railway rail pole installation device 2 is fixed to each of the left and right rails R, R of different cross-sectional shapes such as a 60 kg rail, a 50 kgN rail, or a 40 kgN rail to install the railway rail intrusion prevention fence 1, the spacing between the rails R, R and the spacing between the poles 3, 4 change, the fitting length of the spigot joint 4b between the divided pipe main bodies 4a, 4a can be adjusted to accommodate the change, eliminating the need to prepare intrusion prevention pipes 4 of different lengths. In this respect, too, the inexpensive configuration allows for safer and more efficient track maintenance work.

[0064] In addition, in the embodiment of the intrusion prevention fence 1 for railway rails according to the present invention, an insulating pipe such as PVC is used as the intrusion prevention pipe 4, and the warning tape 5b extending from the warning tape reel 5 also uses insulating tape, thereby preventing the intrusion prevention pipe 4 and the warning tape 5b from shorting out with the rail R and preventing current from flowing through the intrusion prevention pipe 4 and the warning tape 5b.

[0065] Furthermore, by constructing the anti-intrusion pipe 4 from two divided pipe bodies 4a, 4a, taking into consideration the height of the pole 3 of approximately 1m and the spacing between the poles 3 of 1763mm to 1806mm, the pipe bodies 4a, 4a that make up the anti-intrusion pipe 4 are within a length of approximately 1m, and it is sufficient to ensure that the length of the pole 3 is also approximately 1m, so that the anti-intrusion fence 1 for railway rails can be stored in a space-efficient manner.

[0066] Furthermore, in the intrusion prevention fence 1 for railway rails according to the present invention, the divided pipe bodies 4a, 4a of the intrusion prevention pipe 4 are connected by the spigot joint 4b so that the fitting length of the spigot joint can be changed.

[0067] In the above embodiment, the cross-sectional shapes of the rails are described for three types of rail R standards: 60 kg rail, 50 kgN rail, and 40 kgN rail. Therefore, the rail bottom one end pressing portion 21b and the rail bottom other end pressing piece 2 are described as having rail end pressing inclined surfaces 21b1, 21b2, 22a1, 22a2 with different inclination angles according to the cross-sectional shape of the bottom of the rail R. However, the present invention is not limited to these three types of cross-sectional shapes, and there may be two or four or more types of cross-sectional shapes. In this case, the rail bottom one end pressing portion 21b and the rail bottom other end pressing piece 2 may of course be configured to have inclined surfaces with three or more angles.

[0068] In addition, in the above embodiment, three pin holes 22a3, 22a4, 22a5 corresponding to the width of the bottom of the rail R of different cross-sectional shapes are provided on the rail bottom other end pressing piece 2 side, but the present invention is not limited to this, and it is of course also possible to provide three pin holes 22a3, 22a4, 22a5 on the base portion 21 side corresponding to the width of the bottom of the rail R of different cross-sectional shapes, and only one pin hole on the rail bottom other end pressing piece 2 side. In addition, when fixing the rail bottom other end pressure piece 2 onto the base plate 21a, the pressure piece fixing pin 24 is inserted into the pin hole 21c1 of the pressure piece fixing portion 21c and one of the pin holes 22a3, 22a4, 22a5 of the rail bottom other end pressure piece 2 to fix it. However, the present invention is not limited to this. It is of course also possible to insert a bolt or the like into the pin hole 21c1 of the pressure piece fixing portion 21c, or to provide a female screw hole (not shown) instead of the pin hole 21c1 in the pressure piece fixing portion 21c and screw a bolt or the like into the female screw hole (not shown) and press the side of the rail bottom other end pressure piece 2 with the tip of the bolt or the like to fix the rail bottom other end pressure piece 2. In short, it is sufficient that the rail bottom other end pressure piece 2 can be installed on the base portion 11 so that it can be slid and fixed. [Explanation of symbols]

[0069] 1. Railroad rail access prevention fence 2 Railway rail pole installation tool 21 Base 21a Base plate 21b Rail bottom end pressing part 21b1 First rail end pressing inclined surface 21b2 Second rail end pressing inclined surface 21c Presser foot fixing part 21c1 Pin hole 21d Pole support 21d1 Pole support base 21d2 Horizontal arm part 21d3 Pole fixing part 22 Rail bottom other end pressing piece 22a Presser foot body 22a1 First rail end pressing inclined surface 22a2 Second rail end pressing inclined surface 22a3,22a4,22a5 pin hole 22b, 22c, 22d Steel pipe section for pin insertion 23 Pole fixing pin 24 Presser foot fixing pin 3. Paul 3a Pole body 3b pin hole 3c Warning light installation board 3d, 3e Pipe hanging part 3f Warning tape mounting hole 4. Anti-intrusion pipe 4a Pipe body 4b Inro joint 4c Hanging pipe 5 Warning tape reel 5a Reel body 5b Warning tape 5c Tape tip suction part 5d Tape end receiving plate 6 Angle iron 7 warning light M Sleeper R rail

Claims

1. a base portion that is passed under a railroad rail and has a rail bottom one end pressing portion on its upper surface that presses down one end of the rail bottom from above, and a pole support portion that supports a pole; a rail bottom other end pressing piece that is slidably and fixably installed on the base portion and presses the other end of the rail bottom from above; A pole installation device for railway rails, characterized in that the rail bottom one end pressing portion and the rail bottom other end pressing piece each have a plurality of rail end pressing inclined surfaces with different inclination angles corresponding to the cross-sectional shapes of one end and the other end of the rail bottom, which have different cross-sectional shapes, and the rail bottom is pressed down by the rail end pressing inclined surfaces corresponding to the cross-sectional shapes of the rail bottom.

2. The rail pole installation tool according to claim 1, The base portion is provided with a presser piece fixing portion having a pin hole through which a presser piece fixing pin is inserted at a position spaced apart from the rail bottom one end pressing portion by a width of the rail bottom or more. The rail bottom other end pressure piece is provided with a plurality of pin holes through which the pressure piece fixing pin passes depending on the width of the rail bottom of different cross-sectional shapes, and the rail bottom other end pressure piece is fixed to the base portion by aligning the pin hole of the pressure piece fixing part with the plurality of pin holes corresponding to the width of the rail bottom where the railway rail pole installation tool is to be installed, and passing the pressure piece fixing pin through the pin.

3. The rail pole installation tool according to claim 1, The pole support portion is A pole support base extending from the base portion to a height less than the neck portion of the rail of the different cross-sectional shape; a horizontal bracket portion extending from an upper portion of the pole support base portion in a direction away from the presser piece fixing portion and forming a space of a predetermined height between a lower end surface and an upper surface of the base portion; a pole fixing portion extending upward from the tip of the horizontal arm portion and into which the lower end of the pole is fitted to fix the pole.

4. The rail pole installation tool according to claim 1, The pole support portion is A railway rail pole installation tool characterized in that it is provided on said base part integrally with said rail bottom end pressing part or joined to said rail bottom end pressing part by welding or the like.

5. Two sets of the railway rail pole installation tool according to any one of claims 1 to 4, Two poles supported by the pole support parts of each of the two sets of rail rail pole installation tools; and two intrusion prevention pipes that are stretched between the two poles and cross between the rails; The upper and lower parts of the two poles are provided with pipe hooks to which the ends of the two intrusion prevention pipes are hooked, while a warning tape reel on which a warning tape is wound and a warning tape receiving part for receiving the tip of the warning tape are attached between the pipe hooks at the upper and lower parts of the two poles, An intrusion prevention fence for railway rails, characterized in that the two intrusion prevention pipes and the warning tape are arranged between the two poles.

6. The railroad rail intrusion prevention fence according to claim 5, This intrusion prevention fence for railway rails is characterized in that the pipe body of the intrusion prevention pipe is divided, and the divided pipe bodies are connected by a spigot joint so that the fitting length can be changed, so that the overall length of the intrusion prevention pipe can be adjusted to accommodate changes in the rail gauge.

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