JPH0747441Y2 - Rail fastening device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE devised, within a minute岐器of railway track
The present invention relates to a rail fastening device that elastically fastens a basic rail, and more particularly to a fastening device that enables easy removal of the rail while preventing the rail from rolling back (overturning) due to lateral load during train travel.

[0002]

2. Description of the Related Art Recently, in a general track portion of a railway track, from the viewpoint of reducing noise and vibration and wear of the rail, there is a tendency to elastically fasten the rail with a leaf spring, a wire spring, etc. From the viewpoint of simplification, etc., there is a demand for screw-less fastening of rails.

On the other hand, also in the rail in the branch device, from the same viewpoint as that of the general track portion, there is a tendency that the rail has a non-threaded nail elastic fastening.

For example, as shown in FIG. 12, a welding groove is formed at the front and rear edges of the spring bearing 81, and the welding groove is welded to mount the spring bearing 81 on the floor plate 80. One end of the wire spring clip 82 is fixed to the spring pedestal 81, and one end of the base portion 86 of the basic rail 83 is pressed and fastened to the floor plate 80 by the other end of the wire spring clip 82. A plate 84 is placed on the other side of the rail 83 and fixed to the floor plate 80 by welding or the like.
There is known a rail fastening device in which the tongue rail 85 is mounted on the rail 4.

[0005]

However, in the above-mentioned conventional rail fastening device, the spring pedestal 81 is welded and fixed to the floor plate 80. Therefore, the rail base portion 87 on the opposite side of the spring pedestal 81 is basically fixed. Due to the fastening structure of the rail 83, the tongue rail 85 needs to be slid to the left and right especially at the point portion, so a detachable fixing device cannot be used, and the base portion 87 on the opposite side of the spring cradle of the basic rail 83 is fixed to the floor plate. 80 could not be firmly pressed and fastened.
As a result, the spring cradle 81 is
There is a problem that the rail base portion 87 on the opposite side is lifted up (see arrow D), and there is a concern that the basic rail 83 may be turned upside down.

In view of the above problems, it is an object of the present invention to provide a rail fastening device which can prevent the rail from buckling due to a lateral load when a train is running.

[0007]

Therefore, in the rail fastening device according to the present invention , the basic rail in the turnout of the railway track is removed.
A rail fastening device for elastically fastening as much as possible,
A plate for mounting the tongue rail is installed on one side of this rail.
It is fixed so that it cannot be removed, and it is not pressed on the rail side edge of the plate.
The step portion is formed to project in the lateral direction, and the press step portion and the floor board are formed.
One of the base rails of the basic rail is laterally between
Detachable from the floor and fastened to the floorboard,
A recess is formed on the other side of the basic rail of the plate.
Locking to prevent the spring pedestal from rising
On the other side to prevent backward movement of the spring cradle
Each contact part is formed on the rail side of the spring cradle.
The hook part that is locked to the locking part has a contact part on the opposite side.
Each contacting part is formed, and the spring bearing is
The base is fitted and detachably attached to the floor plate, and the spring
One end of the wire spring clip is locked to the base and the wire spring clip is
The other end of the rail is above the other rail base of the basic rail.
It is pressed against the surface and the other rail base is fastened to the floorboard.
And summarized in that that.

Here, the present invention is applied to the fastening device for the basic rail in the branching device, but of course it can be applied to the rail fastening device for the general track portion. Also, for the other side of the rail base part , a pressing step is formed on the plate for mounting the tongue rail.
Of the basic rails in the switch,
For the non- existing portion, for example, a detachable spring pedestal or a spring pedestal fixed by welding is used to elastically fasten a screwless nail by a wire spring . Further, as the wire spring clip, a pan roll clip described later can be used, but other wire spring clips may of course be used.

[0009]

In the present invention, a recess is formed in the floor plate so that the spring receiving base can be attached to and detached from the recess, and furthermore, a hook portion and a locking portion are provided on the rail side of the spring receiving base and the floor plate recess, and the rear end. Since the contact part is formed on the side,
In the assembled state of the basic rail in the branching device , the rear end-side abutment portion prevents the spring cradle from moving rearward, that is, in the track width direction, and the spring on the rail side is engaged with the locking portion. Lifting of the cradle is blocked,
Thus, the spring pedestal is firmly attached to the floor board.

Further, at the time of assembling or replacing the rail, if the spring pedestal is removed from the floor plate, the rail can be moved once in the track width direction and then pulled out and up, resulting in the rail base portion on the opposite side of the spring pedestal. About ton gray
From the lateral direction by forming a pressing step on the mounting plate
By fitting it, it becomes possible to firmly press and fasten, and it is possible to reliably prevent the rail base portion from being lifted up due to lateral load or the like when the vehicle is traveling. As a result, the rail
For lateral pressure, etc. while running a train while enabling easy removal.
It is possible to reliably prevent the rail from coming back.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to specific examples. 1 to 8 show a rail fastening device according to an embodiment of the present invention. In the figure, a branching device 3 is provided at a branching portion between the reference line side track 1 and the branch line side track 2, and in the branching device 3, a reference rod side track 1 and a branch line side track 2 are provided by a rolling rod 30. Are configured to be selectively switched.

On the reference line side and the branch line side tracks 1 and 2, sleepers 4 are arranged in parallel on the roadbed at a predetermined interval, and a floor plate 5 is embedded on the sleepers 4 with a plug 51.
And a nut 52 are screwed together, and a basic rail 10 and a tongue rail 20 are arranged on the floor plate 5 in the branching device 3. The basic rail 10 is fixed to the floor plate 5 by a wire spring clip type rail fastening device 6 of this embodiment. It is elastically fastened with no screw.

In this wire spring clip type rail fastening device 6, a recess 60 having a substantially rectangular plane shape is formed in the floor plate 5, and a spring receiving stand 61 is detachably mounted in the recess 60. The bottom surface of the recess 60 on the side of the basic rail 10 is opened, and a locking portion 62 for preventing the spring pedestal 61 from rising is provided on the upper rail 10 side of the upper edge of the recess 60. Is a contact surface 63 for preventing the spring support 61 from moving rearward.

On the other hand, the basic rail 1 of the spring receiving base 61.
The hook portion 6 that is locked to the locking portion 62 is provided at the lower end of the 0 side.
4 is provided in a projecting manner, and the rear end surface of the spring receiving base 61 is a contact surface 65 that contacts the contact surface 63. Here, as for the rear end surface of the spring cradle 61 and the contact surface 63 of the recess 60, as shown in FIG. 11, a corner A of the rail base portion 11 of the basic rail 10 and a rear end corner B of the spring cradle 61 are provided. Is set to an angle θ of 90 ° or more with respect to the straight line a connecting the two, that is, with the corner A of the rail base 11 as the center of rotation, the corner A of the rail base 11 and the rear end corner B of the spring cradle 61. It is desirable that the curved surface or the flat surface is located outside the arcuate locus having a radius of a straight line a connecting to and. This is because when the spring cradle 61 is inserted into the recess 60 from the front end side and rotated downward (see arrow C in FIG. 11), the rear end surface 65 of the spring cradle 61 and the contact surface of the recess 60. This is so that the spring support 61 can be attached to the floor plate 5 without rattling, because the spring support 61 is substantially in close contact with the base plate 63 without a gap.

As shown in FIGS. 6 to 8, the spring pedestal 61 has a front half portion 66 having a substantially side surface cylindrical shape and a rear half portion 67 having a substantially side surface quadrangular shape.
A wire spring clip, for example a pandroll clip 68
One end 69 of the is inserted and locked. The pan roll clip 68 has a substantially planar shape, and the other end side 61
0 is the above-mentioned pedestal 6 in a state of being deformed against its elastic force.
The rear half portion 67 of 1 and the upper surface of the base portion 11 of the basic rail 10 are in contact with each other, whereby one of the rail base portions 11 of the basic rail 10 is pressed and fastened to the floor plate 1.

A plate 611 is fixed to the floor plate 5 on the side opposite to the spring cradle 61 by welding or the like, the tongue rail 20 is placed on the plate 611, and the plate 611 is attached to the basic rail 10 side. Hold down step 612
Is formed on the pressing step 612.
0 of the other base portion 11 is accommodated, so that the other of the rail base portions 11 of the basic rails 10 is attached to the floorboard 1.
Is pressed and fastened.

Next, the function and effect will be described.

When assembling the basic rail 10, as shown in FIGS. 4 and 5, first, the plate 611 is placed at a predetermined position on the floor plate 5 and the welding groove on the peripheral edge is welded to the floor plate 5.
After that, the basic rail 10 is slid on the floor plate 5 toward the plate 611 side, and the base portion 11 of the basic rail 10 is fitted into the pressing step portion 612 of the plate 611.

Next, in the recess 60 of the floor plate 5, a spring cradle 61 is placed.
When the rear end side is pushed down while inserting the front end side from the front end side, the hook portion 64 of the spring receiving base 61 engages with the locking portion 62 of the concave portion 60, and the rear end surface of the spring receiving base 61 becomes the concave portion 60. Since the spring bearing base 61 is firmly attached to the floor plate 5 by closely contacting the contact surface 63 with no gap, the one end portion 69 of the pan roll clip 68 is inserted and locked into the front half portion 66 of the spring bearing base 61, and the pan roll roll clip is engaged. When the other end side 310 of 68 is placed on the rear half portion 67 of the spring receiving base 61 and the other base portion 11 of the basic rail 10 in a state of being deformed against the elastic force, the elastic return of the pan roll clip 68 is achieved. By force, the other base portion 1 of the basic rail 10
1 is press-fastened onto the floorboard 5, thus the basic rail 10
Is elastically fastened to the floor plate 5 with no screw. After that, the tongue rail 20 may be placed on the plate 611, and a predetermined assembly work may be performed on the tongue rail 20.

When the basic rail 10 is removed,
First, the pan roll clip 68 is removed from the spring receiving base 61, the rear end side of the spring receiving base 61 is lifted to release the engagement of the rear end surface 65 with the recess contact surface 63, and the tip hook portion 64 of the spring receiving base 61 is removed. When the spring pedestal 61 can be removed from the floor plate recess 60 by pulling it out of the locking portion 62 of the recess 60, the base rail 11 is slightly slid in the track width direction, and the base portion 11 of the base rail 10 is moved to the plate 611.
It may be detached from the holding step portion 612 and lifted up.

In the rail fastening device of the present embodiment as described above, since the recess 60 is formed in the floor plate 5 and the spring receiving base 61 is detachably mounted in the recess 60, the spring receiving base 61 is attached to the floor plate. When the basic rail 10 is removed from the concave portion 60 of 5, the basic rail 10 can be once moved in the track width direction and then moved upward and downward.

As a result, it is possible to form the pressing step portion 612 which is a fixed type fastening device on the plate 611 and firmly press and fasten the rail base portion 11 of the basic rail 10 and to laterally move the vehicle while traveling. It is possible to reliably prevent the rail base portion 11 from being lifted up due to a load or the like, and to reliably prevent the basic rail 10 from being slightly bent.

[0023] Incidentally, FIGS. 9 and 10 is divider in the base rate
The plate 611 for mounting the tongue rail out of
Shows the rail fastening device in no place. Basic in switch
Plate 61 for mounting the tongue rail on the rail 10
Adopting the fastening device of the above embodiment for the place where there is one
And, even if there is no plate 611, the basic rail 1
No horizontal movement is required when assembling and removing 0.
It Therefore, one base portion of the basic rail 10 in the branch device
11 is the wire spring clip type rail tightening of the above embodiment.
It is desirable to employ the binding device 6, and the other is a normal wire spring.
It can be fastened by the clip-type rail fastening device 7.
Wear.

That is, the spring pedestal 70 is fixed on the floor plate 5 at the side of the other base portion 11 of the rail 10 by welding the welding grooves at the front edge and the rear edge thereof.
The cradle 70 has a front half portion formed in a substantially cylindrical side surface and a rear half portion formed in a substantially square side surface, and a wire spring clip, for example, one end portion of a pan roll clip 71 is inserted and locked in the front half portion of the spring cradle 70. Has been done. This Pandroll clip 7
Reference numeral 1 has a substantially plane-like shape, and the other end side thereof is in contact with the rear half portion of the spring receiving base 70 and the upper surface of the base portion 11 of the rail 10 while being deformed against the elastic force thereof.

[Brief description of drawings]

1 is a schematic plan view showing the Bei <br/> railway track give a rail fastening equipment according to an embodiment of the present invention.

FIG. 2 is a front view showing the EE line portion of FIG.

3 is a front view for explaining a method of assembling upper Kishime imaging device.

4 is a front view for explaining a method of assembling upper Kishime imaging device.

FIG. 5 is a plan view of FIG.

6 is a plan view showing the cradle spring in the upper Kishime imaging device.

FIG. 7 is a side view showing the spring pedestal.

FIG. 8 is a bottom view showing the spring pedestal.

FIG. 9 is a reference diagram for explaining the embodiment .

FIG. 10 is a reference diagram for explaining the embodiment .

11 is a diagram for explaining the above you施例.

FIG. 12 is a front configuration diagram showing a conventional rail fastening device.

[Explanation of symbols]

10 basic rails 11 rail bases 5 floor plates 6 rail fastening devices 60 recesses 61 spring pedestals 62 locking parts 63 contact surfaces 64 hooks 65 contact surfaces 68 wire spring clips 611 plates 612 pressing step parts

Claims (2)

[Scope of utility model registration request] 1. A basic rail within a turnout of a railway track is removed.
It is a rail fastening device for elastically fastening as much as possible, and a tongue rail 20 is mounted on one side of the base rail 10 of the floor board 5.
The mounting plate 611 is fixed, and the plate 611 is
The pressing step 612 is formed by projecting in the lateral direction on the edge of the roll side.
Between the pressing step 612 and the floor board 5,
One rail base 11 of the rail 10 is removed from the lateral direction.
The floor plate 1 is fitted in as much as possible and fastened to the floor plate 1, while a recess 60 is formed on the other side of the basic rail 10 of the floor plate 5.
As a result, the spring pedestal 61 floats up on the rail side of the recess 60.
Locking part 62 to prevent
Each of the contact portions 63 for preventing the rearward movement of the platform 61 is
Is formed on the rail side of the spring cradle 61 and has a locking portion 62.
The hook portion 64 to be locked is provided with the contact portion 63 on the opposite side.
Abutting portions 65 that come into contact with each other are formed, and
The spring cradle 61 is fitted and detachably attached to the floor plate 5.
One end of the wire spring clip 68 is attached to the spring cradle 61.
Is locked, and the other end of the wire spring clip 68 is the basic rail.
10 is pressed against the upper surface of the other rail base portion 11 of
A rail fastening device, wherein one rail base portion 11 is fastened to the floor plate 1 . Per unit 65 and 63 of 2. A receiving it if base 61 and recess 60, a corner portion A of the other rail base portion 11 of the base rail 10 and the center of rotation, the corner portion A and the spring of the rail base portion 11 cradle 61 rear corners B and arcuate locus rail fastening apparatus 請 Motomeko 1 wherein that have been formed into a curved surface or a flat surface located outside of a radius of the straight line a connecting the.