JPH057702U - Rail fastening device - Google Patents

Abstract

(57) [Summary] [Purpose] In a rail fastening device in which a rail is elastically fastened to a floor plate without using nails, the rail can be easily removed and the rail can be folded back due to lateral pressure during train running. Prevent (fall). [Structure] A spring pedestal is mounted on the floor plate, one end of the wire spring clip is locked to the spring pedestal, and the other end of the wire spring clip is pressed against one upper surface of the rail base portion to fasten the rail to the floor plate. In the wire spring clip type rail fastening device, the floor plate is formed with a recess, the rail side of the recess is provided with a locking portion for preventing the spring cradle from rising, and the opposite side is provided with a rear portion of the spring cradle. While forming contact parts to prevent movement, hook parts to be engaged with the engaging parts of the recess are provided on the rail side of the spring pedestal, and contact parts to contact the contact parts of the recess are provided on the opposite side. The spring pedestal is detachably attached to the floorboard.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  This invention is a railroad track rail, for example, a rail in the branch device is screwed elastically Regarding rail fastening devices, especially when running trains while enabling easy rail removal Fastening device that can prevent the rail from rolling down (falling over) due to lateral load on the rail Regarding

[0002]

[Prior art]

  Recently, in the general track section of railway tracks, there is a view to reduce noise and vibration and rail wear. From the point of view, there is a tendency for the rails to be elastically fastened with leaf springs, wire springs, etc. From the standpoint of simplifying maintenance work, it is desired that the rails be screw-free.

[0003]   On the other hand, the rail inside the turnout has no rail from the same viewpoint as the general track section. Elastic nails tend to be elastically fastened.

[0004]   For example, as shown in FIG. 12, a welding opening is formed on the front end edge and the rear end edge of the spring pedestal 81. Forming a tip, and welding the welding groove to fix the spring receiving base 81 on the floor plate 80; One end side of the wire spring clip 82 is locked to the spring receiving base 81, and the wire spring clip 82 is 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 side of the On the other hand, a plate 84 is placed on the other side of the basic rail 83 and welded to the floor plate 80. And the tongue rail 85 is placed on the plate 84. There are known fastener fastening devices.

[0005]

[Problems to be solved by the device]

  However, in the above conventional rail fastening device, the spring pedestal 81 is welded to the floor plate 80. Since it was fixed, the rail base portion 87 on the opposite side of the spring support 81 is fixed. On the other hand, due to the fastening structure of the basic rail 83, the tongue rail 85 is left especially at the point. Since it is necessary to slide it to the right, the removable fixing device cannot be used, The base portion 87 of the main rail 83 on the side opposite to the spring cradle is firmly pressed and fastened to the floor plate 80. Didn't come As a result, the lateral load on the side of the spring pedestal 81 on the side opposite to The base 87 is raised (see arrow D), and the basic rail 83 is turned upside down. There was a problem of concern.

[0006]   In view of such a problem, the present invention is directed to a rail that is caused by a lateral load when a train is running. An object of the present invention is to provide a rail fastening device capable of preventing a small turn.

[0007]

[Means for Solving the Problems]

  Therefore, the rail fastening device according to the present invention is   "Mount the spring pedestal on the floor plate and lock one end of the wire spring clip on the spring pedestal. , Press the other end of the wire spring clip against one upper surface of the rail base part In a wire spring clip type rail fastening device that is fastened to the floor plate,   A recess is formed on the floor plate to prevent the spring pedestal from rising on the rail side of the recess. To stop the rearward movement of the spring cradle on the opposite side. On the rail side of the spring pedestal, the hooks that engage with the recesses of the recess are formed. The contact part is formed on the opposite side to contact the contact part of the recess,   The spring pedestal is detachably attached to the floorboard. "

[0008]   If the present invention is applied to a rail fastening device for a turnout, its effect is great, but Of course, it can also be applied to a rail fastening device for a general track portion. In addition to the rail base Any structure may be used for the person, such as a removable spring pedestal, Alternatively, by using a spring pedestal that is fixed by welding, use a wire spring to elastically fasten the screwless nail. Also, as shown in the examples described later, fixed to the plate for mounting the tongue rail You may form a part and press-fasten. In addition, the wire spring clips are Can be used, but of course other wire spring clips can be used. Good.

[0009]

[Action]   In the present invention, a recess is formed in the floor plate so that the spring pedestal can be attached to and detached from the recess, Moreover, the hook and the locking part are attached to the rail side of the spring cradle and the floor plate recess, and the rear end side is attached. Since the ridge is formed, the rear end side contact is not possible when the rail is assembled. When the spring pedestal prevents the spring pedestal from moving rearward, that is, in the track width direction, Also, due to the engagement of the hook part and the locking part on the rail side, the spring pedestal is prevented from rising. And thus the spring cradle is firmly attached to the floorboard.

[0010]   Also, when assembling or replacing the rail, if you remove the spring cradle from the floorboard, Once the rail is moved in the track width direction, it can be pulled in and out upwards. The rail base on the opposite side of the table is firmly pressed and fastened by a fixed device. This makes it possible to prevent the rail base from floating due to lateral loads when the vehicle is running. Is reliably prevented.

[0011]

【Example】

  Hereinafter, the present invention will be described in detail based on specific examples. 1 to 8 show the present invention 1 illustrates a rail fastening device according to one embodiment. In the figure, the reference line side track 1 and the branch line side A branching device 3 is provided at a branching part with respect to the track 2, and the branching device 3 uses a rolling rod 30. Therefore, the reference line side track 1 and the branch line side track 2 are selectively switched. Has been.

[0012]   On the reference line side and the branch line side tracks 1 and 2, set a predetermined interval on the trackbed. Sleepers 4 are arranged in parallel with each other, and a floor board 5 is embedded on the sleepers 4 with an embedded plug 51 and a screw. The base rails 10 and A tongue rail 20 is provided, and the basic rail 10 is a wire spring clip of this embodiment. The floor rail 5 is elastically fastened to the floor plate 5 by the rail type fastening device 6.

[0013]   In this wire spring clip type rail fastening device 6, the floor plate 5 has a substantially rectangular plane. A recess 60 having a shape is formed, and a spring support 61 is detachably mounted in the recess 60. It has been burned. The bottom surface of the recess 60 on the basic rail 10 side is opened, and A member for preventing the spring pedestal 61 from being lifted up is provided on the edge 10 on the basic rail side. A stopper 62 is provided so that the end surface on the opposite side of the stopper 62 prevents rearward movement of the spring receiver 61. It is the contact surface 63.

[0014]   On the other hand, the lower end of the spring cradle 61 on the side of the basic rail 10 is engaged with the engaging portion 62. A hook portion 64 to be stopped is provided in a protruding manner, and the rear end surface of the spring receiving base 61 is the contact surface 63. Is a contact surface 65 that abuts against. Here, the rear end surface of the spring cradle 61 and the concave portion As for the contact surface 63 of the 60, as shown in FIG. 9 for the straight line a connecting the corner A of the base 11 and the rear end corner B of the spring receiving base 61. The angle θ is set to 0 ° or more, that is, the corner A of the rail base 11 is set as the center of rotation. , A straight line a connecting the corner portion A of the rail base portion 11 and the rear end corner portion B of the spring cradle 61. A curved surface or a flat surface located outside the arcuate locus having the radius is desirable. This This is because the spring pedestal 61 is inserted into the recess 60 from the front end side and rotated downward to mount it. When injured (see arrow C in FIG. 11), the rear end surface 65 of the spring receiving base 61 and the concave portion 60 are contacted with each other. The spring receiving base 61 is attached to the floor plate 5 without rattling, with the contact surface 63 being substantially in close contact with no clearance. This is so that it can be kicked.

[0015]   As shown in FIGS. 6 to 8, the spring receiving base 61 has a front half portion 66 having a substantially cylindrical side surface. The rear half portion 67 is formed in a substantially square shape on the side surface, and the front half portion 66 of the spring receiving base 61 has A wire spring clip, for example, one end 69 of a pandroll clip 68 is inserted and locked. ing. The pan roll clip 68 has a substantially plane shape, and the other end side 6 10 is a rear half portion 67 of the cradle 61 and the base in a state of being deformed against the elastic force. The rail 10 is in contact with the upper surface of the base portion 11 of the rail 10, so that the basic rail 1 One of the 0 rail base portions 11 is pressed and fastened to the floor plate 1.

[0016]   Further, a plate 611 is welded or the like to the side of the floor plate 5 opposite to the spring receiving base 61. Fixed, and the tongue rail 20 is placed on the plate 611 and A press step 612 is formed on the basic rail 10 side of the belt 611. The other base portion 11 of the basic rail 10 is housed in 12; Thus, the other of the rail base portions 11 of the basic rail 10 is pressed and fastened to the floor plate 1.

[0017]   Next, the function and effect will be described.

[0018]   When assembling the basic rail 10, as shown in FIG. 4 and FIG. Place the plate 611 at a predetermined position, weld the welding groove on the periphery, and fix it to the floor plate 5. After setting, slide the basic rail 10 toward the plate 611 and slide it on the floor plate 5. , The base portion 11 of the basic rail 10 is fitted into the pressing step portion 612 of the plate 611. Let

[0019]   Next, while inserting the spring receiving base 61 from the front end side into the recess 60 of the floor plate 5, When the rear end side is pushed down, the hook portion 64 of the spring pedestal 61 is locked in the recess 60. While engaging with the portion 62, the rear end surface of the spring cradle 61 has a contact surface 63 of the recess 60. Since the spring support 61 is firmly attached to the floor plate 5, the spring support 61 is firmly attached to the floor support 5. Insert and lock one end 69 of the pan roll clip 68 into the front half 66 of the stand 61, A state in which the other end side 310 of the pand roll clip 68 is deformed against the elastic force thereof. Mounted on the rear half 67 of the spring cradle 61 and the other base 11 of the basic rail 10. When placed, the elastic return force of the pand roll clip 68 causes other One base portion 11 is pressed and fastened onto the floor plate 5, and thus the basic rail 10 is fixed to the floor plate 5. Elastically fastened with no screw on top. After that, put the tongue rail 20 on the plate 611. The tongue rail 20 may be placed and a predetermined assembling work may be performed.

[0020]   When removing the basic rail 10, first remove the pandroll clip 68. From the base 61, lift the rear end of the spring base 61, and lift the rear face 65 To release the engagement with the concave contact surface 63, and to make the tip hook portion 64 of the spring receiving base 61 concave. When pulled out from the locking portion 62 of the portion 60, the spring receiving base 61 can be removed from the floor plate recess 60. Since it is possible, slide the basic rail 10 a little in the track width direction, and The base portion 11 of the plate 611 is detached from the pressing step portion 612 of the plate 611 and is held on the upper side. You can raise it.

[0021]   In the rail fastening device of the present embodiment as described above, the recess 60 is formed in the floor plate 5, Since the spring cradle 61 is detachably mounted in the recess 60, the spring cradle 61 is When the base 61 is removed from the recess 60 of the floor plate 5, the basic rail 10 is once moved in the track width direction. You can put it in and out after it.

[0022]   As a result, a press step 612, which is a fixed fastening device, is formed on the plate 611. It is possible to firmly press and fasten the rail base portion 11 of the basic rail 10. It is possible to prevent the rail base portion 11 from being lifted up due to lateral load when the vehicle is running. It is possible to reliably prevent and prevent the basic rail 10 from being returned in a small amount.

[0023]   9 and 10 show a rail fastening device according to a second embodiment of the present invention, This is an example used for rail fastening of a general railroad track. That is, this embodiment Then, one of the base portions 11 of the rail 10 is a wire spring clip type rail according to the present invention. By the fastening device 6, the other by the normal wire spring clip type rail fastening device 7. Each is pressed and fastened.

[0024]   That is, the spring pedestal 7 is provided on the floor plate 5 at the side of the other base portion 11 of the rail 10. 0 is fixed by welding the welding grooves of its front and rear edges, The platform 70 has a front half portion formed in a substantially side surface cylindrical shape and a rear half portion formed in a substantially side surface rectangular shape. The front half of the cradle 70 has one of a wire spring clip, for example, a pandroll clip 71. The end is inserted and locked. This pan roll clip 71 has a substantially planar shape. However, the other end side of the spring receiving base 70 is deformed against the elastic force. The half portion and the upper surface of the base portion 11 of the rail 10 are in contact with each other.

[0025]   In this embodiment as well, since the same effects as the above embodiment are obtained, the detailed explanation will be given. The description is omitted.

[0026]

[Effect of device]   As described above, according to the rail fastening device of the present invention, the spring pedestal is mounted on the floor plate. Attach one end of the wire spring clip to the spring cradle and attach the other end of the wire spring clip. A wire spring clamp that is pressed against one upper surface of the rail base to fasten the rail to the floor plate. In the lip type rail fastening device, a recess is formed in the floor plate, and the rail side of the recess is on the rail side. There is a locking part to prevent the spring cradle from rising, and a While forming contact parts to prevent one-way movement, on the rail side of the spring support Abuts the hook part that is locked to the locking part of the recess and the contact part of the recess on the opposite side Since the contact part is formed and the spring cradle is detachably attached to the floor plate, The rail can be easily removed while the rail is small due to lateral pressure during train operation. There is an effect that the return can be surely prevented.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing a railway track provided with a rail fastening device according to an embodiment of the present invention. FIG. 2 is a front view showing the EE line portion of FIG. FIG. 3 is a front view for explaining an assembling method of the rail fastening device. FIG. 4 is a front view for explaining a method of assembling the rail fastening device. FIG. 5 is a plan view of FIG. FIG. 6 is a plan view showing a spring pedestal in the rail fastening 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 front view showing another embodiment of the present invention. FIG. 10 is a plan view showing another embodiment of the present invention. FIG. 11 is a diagram for explaining the first embodiment. FIG. 12 is a front view showing a conventional rail fastening device.

[Explanation of symbols]

10 basic rails 11 Rail base 5 floor boards 6 Rail transfer device 60 recess 61 spring cradle 62 Locking part 63 Contact surface 64 Hook part 65 contact surface 68 wire spring clip

Claims (2)

[Scope of utility model registration request] 1. A spring bearing base 61 is mounted on the floor plate 5, and one end of a wire spring clip 68 is locked to the spring bearing base 61,
In the wire spring clip type rail fastening device 6 in which the other end of the wire spring clip 68 is pressed against one upper surface of the base portion 11 of the rail 10 to fasten the rail 10 to the floor plate 5, Forms a concave portion 60, and a locking portion 62 for preventing the spring receiving base 61 from being lifted up on the rail side of the concave portion 60, and a rearward movement of the spring receiving base 61 for preventing the spring receiving base 61 from moving backward. While forming the contact portions 63, the locking portion 62 is formed on the rail side of the spring receiving base 61.
A hook portion 64 that is locked to the contact portion, and a contact portion 65 that contacts the contact portion 63 on the opposite side, and the spring receiving base 61 is detachably attached to the floor plate 5; apparatus. 2. The spring base 61 and the contact portions 65 and 63 of the recess 60 are the rail base portion 1 of the rail 10.
A curved surface or a flat surface located outside the arcuate locus having a radius of a straight line a connecting the corner A of the rail base 11 and the rear end corner B of the spring receiving base 61 with the corner A of 1 as the center of rotation. The rail fastening device according to claim 1, wherein the rail fastening device is formed on the rail.