JPH0649501U - Rail fixture - Google Patents

Abstract

(57) [Summary] (Corrected) [Purpose] A rail fixture that can fix rails without drilling vault holes etc. in H-shaped steel, which is a sleeper for rails for vehicles used in tunnel construction tunnels. To provide. The rail fixing device of the present invention has a structure in which the rail 8 is fixed to an upper portion of an H-shaped steel 9 which serves as a sleeper, and a gripping means for gripping an upper flange 9'of the H-shaped steel from both sides in the width direction thereof, and an upper portion. A fixture main body 31 having a penetration portion in the longitudinal direction of the flange, and a cotter 32 that penetrates the penetration portion of the fixture main body and crimps and fixes the rail bottom portion onto the upper flange. A hook rod 38-shaped member may be attached to the main body, the base end portion of which is fixed to a fixing means that is connected to the fixture main body, and the end hook portion of which is fixed by a cotter to support and fix the opposite side of the rail bottom portion.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a rail fixing tool, and more particularly to a rail fixing tool for fixing a rail used in a mine such as a tunnel construction.

[0002]

[Prior art]

 Conventionally, in the work mine such as construction of tunnels and mining of coal mine, rails are used in the mine shaft to carry shear and coal minerals out of the mine and to carry work materials from the mine to the advanced part of the mine. Has been laid, and the transport vehicles etc. for loading and unloading are run on this rail to improve work efficiency. At this time, in order to stably lay the rail on the uneven road, use H-shaped steel as sleepers, drill vault holes in the bottom of the rail and the upper flange of H-shaped steel, and use vaults and nuts to tie the rail bottom. At present, the rail is fixed and stabilized by being screwed into the H-section steel.

[0003]

[Problems to be solved by the device]

 However, the H-type steel used as the above-mentioned sleepers is generally used by borrowers from leasing companies and the like when used by construction companies, etc. There is a problem such as damage to the steel, which makes it impossible to return it to the leasing company as it is, and the durability of the H-section steel is reduced.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a rail fixture capable of securely and firmly fixing a rail to an H-section steel without damaging the H-section steel that is a sleeper. To provide.

[0005]

[Means for Solving the Problems]

 The present invention has been made in view of the above object, and its gist is a structure in which a rail is laid and fixed on an upper portion of an H-shaped steel that is a sleeper, and the upper flange of the H-shaped steel is provided from both sides in the width direction thereof. A gripping means for gripping, a fixture main body provided with a penetration part in the longitudinal direction of the upper flange, and a cotter which penetrates the penetration part of the fixture main body and crimps and fixes the rail bottom on the upper flange. It is a rail fixture characterized by being combined. In addition, a hook rod-shaped member is attached to the fixing body, the base end of which is fixed to a fixing means that is connected to the fixing body, and the tip hook portion supports and fixes the opposite side of the rail bottom portion crimped and fixed by the cotter. There is also a rail fixture characterized by doing.

[0006]

[Action]

 According to the rail fixing device of the present invention, the fixing device main body is inserted into the upper flange of the H-shaped steel used as the sleeper from the gripping means and the cotter is inserted from the insertion portion of the fixing device main body. The end of this cotter is raised onto the bottom of the rail, and the rail is fixed on the H-section steel by adjusting the positions of the cotter and the fixture body so that the end of the cotter crimps and fixes the bottom of the rail on the upper flange downward.

Further, the rail fixing device of the present invention in which the hook rod-shaped member is attached to the fixing body, in addition to the above-described action, has a rail bottom portion opposite to the rail bottom portion fixed by the cotter at the tip hook portion of the hook rod-shaped member. It is hooked from below the bottom part, and the base end part is fixed to a fixing means connected to the fixture body.

[0008]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a perspective view showing an embodiment of the rail fixing device of the present invention.

This rail fixing tool is composed of a combination of a fixing tool body 1 shown in (A) and a cotter 2 shown in (B), and the fixing tool body 1 is provided with a gap from the lower side to the inner side at both ends. It is a steel plate-like body which has a bent flange gripping portion 3 and has a cotter penetration portion 4 as a penetration portion which is raised in a trapezoidal shape in the central portion. The cotter 2 has a projecting piece 6 having a taper surface 6'notched downward at one end in the longitudinal direction and having the front slightly upward, and a driving surface 5 which is made thicker than the central cross section of the cotter 2 at the rear. It is a plate made of steel. Further, the cotter penetrating portion 4 is formed to substantially match the thickness of the cotter 2 so that the cotter 2 can finally move in the front-rear direction within the cotter penetrating portion 4 when the rail fixture is installed.

Next, a mode in which the fixture body 1 and the cotter 2 are combined and used as the rail fixture of the present invention will be described.

FIG. 2 is a perspective view showing a state in which the rail 8 is fixed by combining the fixture main body 1 and the cotter 2, and the rail 8 is mounted on the upper flange 9 ′ of the H-shaped steel 9 as sleepers. It is laid so as to be orthogonal to and is fixed by the cotter 2 which is inserted into the cotter penetration portion 4 of the fixing tool main body 1 from both left and right sides of the rail bottom portion 8 ′. On both sides of the rail bottom portion 8 ', the cotter penetration portion 4 of the fixture body 1 holding the both sides of the flange 9'with the flange gripping portion 3 is directed toward the rail 8 from the cotter penetration portion 4 of the fixture body 1, and the projections 6 are inserted into the rails 8'toward the projections. The taper surface 6'at the bottom of the piece 6 rides on the rail bottom 8 '. Since the cotter 2 is almost aligned so as not to move up and down in the cotter penetration portion 4 on the flange 9 ', the cotter 2 riding on the rail bottom portion 8' biases the rail bottom portion 8 'downward and the flange 9 Hold with 8 to fix rail 8. It should be noted that the driving surface 5 of the cotter 2 or the fixing device main body 1 is hit with a mallet or the like, and the fixing condition of the rail 8 is adjusted in order to ensure the fixing condition. Further, by forming a vault hole 7 in the cotter penetration portion 4 of the fixture body 1, screwing a vault into the cotter penetration portion 4, and pressing the cotter 2 downward, it is possible to prevent the cotter 2 from being displaced due to vibration or the like.

In the fixture body 1, the flange 9 ′ is slidably fitted to the end cutting surface 9 ″ of the H-shaped steel 9 from the flange gripping portion 3 and is detached from the part other than the end cutting surface 9 ″ and fitted. It is designed so that it cannot be used. Therefore, at least one of the fixture main bodies 1 provided on both sides of the rail 8 and provided between the rail 8 and a rail (not shown) running in parallel with the fixture main body 1 is fitted to the flange 9 ′ in advance before the rail is installed. It is necessary to place it between two rails running in parallel.

FIG. 3 is a perspective view showing an embodiment of the rail fixing device of the present invention provided with a hook rod 38 which is a hook rod-shaped member.

In this rail fixing tool, a hook rod 38 shown in (C) is attached to a combination of a fixing body 31 shown in (A) and a cotter 32 shown in (B). The cotter penetrating portion 34 as a penetrating portion that is formed so as to substantially match the vertical cross section of the cutter 32, the flange gripping portions 33 on both sides, and the hook bar fixed to the lower end of the gripping portion 33 and fixed. And a projecting piece 37 having a hole 37 'as means.

A usage mode of the rail fixing device having the above-described configuration will be described with reference to a usage state perspective view of FIG. The rail 8 is laid on the H-shaped steel 9 so as to be orthogonal thereto, and the fixture main body 31 is fitted to the flange 9 ′ from the flange gripping portion 33 and the cotter penetration portion 34 is provided similarly to the rail fixing device described in FIG. The cotter 32 is inserted from the end having the tapered surface 36 first, and the rail bottom portion 8'a is pressed and fixed downward at this end. Further, the base end portion 38b of the hook rod 38 is inserted into the hole 37 'formed in the projecting piece 37 of the fixture main body 31 and the rail bottom portion 8'a fixed by the cotter 32 at the hook portion 38a which is the tip. The rail bottom 8'b on the opposite side is hooked from below the rail bottom 8 '. After that, the fixing degree is adjusted by the positions of the cotter 32 and the fixing body 34, and the base end portion 38b of the hook rod 38 is fastened with the vault 40 at the hole 37 '. A side view with the rails fixed is shown in FIG.

With this rail fixture, it is sufficient to install the rail fixture only at one end of the rail 8, and the number of rail fixtures and cotters can be reduced. It is even more effective to use the zigzag arrangement of the fixture body, such as reversing the support fixing of the rail bottom by the cotter and the hook.

FIG. 6 is a perspective view showing another shape of the fixture main body. The fixture main body 61 has a flange gripping portion 63 formed by bending a part of the main body 61 downward from the outward U-shaped notches on both sides, and a cotter penetration portion 64 provided in a substantially arcuate shape. And. It should be noted that hook rod fixing means such as the fixing device main body 31 may be provided in series here.

The shape of the fixture body, cotter, hook bar, etc. is not limited to this embodiment, but in order to reduce the cost, the length of the fixture body in the cotter penetration direction can be maintained within the range where the fixing function can be maintained. It is desirable to shorten it.

[0020]

[Effect of device]

 With the rail fixing device of the present invention, the rail can be fixed without causing damage such as perforation or the like to the H-shaped steel that becomes the sleeper. Therefore, the durability of the H-section steel is not impaired. Moreover, since the rail fixing device can be easily installed and removed, the rail laying work can be shortened.

[Brief description of drawings]

FIG. 1 is a perspective view showing a rail fixing device of the present invention.

FIG. 2 is a perspective view showing a use state of the rail fixing device of the present invention.

FIG. 3 is a perspective view showing a rail fixing tool of the present invention equipped with a hook bar.

FIG. 4 is a perspective view showing a usage state of the rail fixing tool shown in FIG.

5 is a side view of the use state shown in FIG. 4. FIG.

FIG. 6 is a perspective view showing another example of a fixture main body.

[Explanation of symbols]

 1, 31, 61 Fixing device main body 2,32 Cotta 3,33,63 Flange gripping portion 4,34,64 Cotta penetration portion 37 'hole 38 Hook rod

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinya Shibuya 1-23-5 Shinjuku, Shinjuku-ku, Tokyo Sansara Gyoen 301 STK Corporation

Claims (2)

[Scope of utility model registration request] 1. A structure in which a rail is laid and fixed on an upper portion of an H-shaped steel to be a sleeper, and a gripping means for gripping an upper flange of the H-shaped steel from both sides in a width direction thereof, and a penetrating portion in a longitudinal direction of the upper flange. And a cotter for penetrating into a penetrating portion of the fixture main body and crimping and fixing the rail bottom portion onto the upper flange. 2. A structure in which a rail is laid and fixed on an upper portion of an H-shaped steel to be a sleeper, and a gripping means for gripping an upper flange of the H-shaped steel from both sides in a width direction thereof, and a penetrating portion in a longitudinal direction of the upper flange. And a cotter for penetrating into the insertion part of the fixture body and crimping and fixing the rail bottom portion on the upper flange, the base end portion being fixed to the fixture body. A rail fixing tool which is fixed to a fixing means continuous to the tool main body, and is provided with a hook rod-shaped member for supporting and fixing the opposite side of the rail bottom portion whose tip hook portion is crimped and fixed by the cotter.