JP2529684Y2 - Railway rail fixture - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railway rail fixing device which can be suitably used for tunnel construction, and more particularly, to a railway rail fixing device capable of easily adjusting the position of a railway rail and the interval (rail width) between two rails. About the tool.

[0002]

2. Description of the Related Art Generally, when excavating a tunnel or lining the inner surface of a tunnel, a railway rail is laid in the tunnel, and a bogie or the like is run on the rail to transport materials and the like. In this case, the size of the trolley that can be carried in and out differs between when excavating the tunnel and when lining the inner surface of the tunnel, so it is often necessary to change the rail width of the railroad rail according to the size of the trolley. .

[0003] Conventionally, railroad rail fasteners have been used in which a T-shaped steel or a horizontally oriented H-shaped steel is used as a sleeper member and a railway rail having a substantially I-shaped cross section laid thereon is fixed. The railroad rail fixing device is configured to be attached to the sleeper member using a hole or a notch formed in the sleeper member.

[0004]

As described above, the conventional railway rail fixing device is configured to be attached to the sleeper member by using a hole or a notch formed in the sleeper member. It cannot be installed at any position above. For this reason, when it is necessary to change the rail width of the railway rail in accordance with the size of the bogie, etc., it is necessary to change each sleeper member, which has led to a large amount of labor and a decrease in work efficiency.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a railroad rail fixing device in which the position of a railroad rail and the distance between two rails (rail width) can be easily adjusted.

[0006]

Means for Solving the Problems The invention according to claim 1 is:
A rail fixing device for fixing a base flange portion of a railway rail laid on a sleeper member having a plate-like top surface to the sleeper member, wherein both sides of the railway rail press the upper surface of the base flange portion. A pair of rail holding members, and a fastening member for fastening the lower portions of both rail holding members to each other below the top surface of the sleeper member, and the rail holding member has an engagement groove that engages with a side edge of the sleeper member. It is characterized by being formed.

According to a second aspect of the present invention, there is provided a railway rail fixing device according to the first aspect, wherein a bolt through which a fastening member penetrates a lower portion of both rail holding members, and a nut screwed to the bolt. It is characterized by consisting of.

According to a third aspect of the present invention, a base flange portion of two substantially I-shaped railroad rails laid in parallel on a sleeper member having a plate-like top surface portion is fixed to the sleeper member. Rail fixing device for holding the upper surface of the base flange portion on both sides of each rail, each pair of rail pressing members, and the lower portions of the two sets of both rail pressing members being connected to the top surface of the sleeper member. The rail holding member is formed with an engagement groove for engaging the side edge of the top surface of the sleeper member, and the fastening member regulates the position of the rail holding member inside the railroad rail. The stopper is provided.

According to a fourth aspect of the present invention, there is provided the railway rail fixing device according to the third aspect, wherein the fastening member has a threaded portion at both ends and a hole formed in a lower portion of each of the two pairs of rail holding members. A connecting rod extending through the connecting rod, and a nut screwed into a screw portion of the connecting rod. A stopper is provided on the connecting rod, and the stopper and the nut fasten a pair of rail holding members. It is characterized by.

[0010]

According to the railway rail fixing device of the first aspect,
When the lower portions of both rail holding members are tightened with a fastening member, the gap between the two rail holding members is narrowed, so that the base flange portion of the rail is sandwiched between the top surfaces of both rail holding members and the top tie members. . Also, at this time, since the rail holding member is engaged with the side edge of the top surface of the sleeper member at the engagement groove, when the lower portions of both rail holding members are tightened with the fastening member, the two rail holding members are engaged. It sticks to the top of the sleeper at the groove. Therefore, it is not necessary to provide a slot or a notch in the sleeper member, and the railroad rail can be clamped and fixed at a desired position on the top surface of the sleeper member via the two rail pressing members fastened by the fastening member.

In the railroad rail fixing device according to the second aspect, since the fastening member is composed of a bolt and a nut, it can be manufactured at low cost, and the fastening and releasing work of the rail holding member can be easily performed only with a general tool. it can.

In the railway rail fixing device according to the third aspect, similarly to the railway rail fixing device according to the first aspect, it is not necessary to provide a slot or a notch in the sleeper member, and each pair of fasteners fastened by the fastening member. The two rail rails can be clamped to desired positions on the top surface of the sleeper member via the rail holding member. Moreover, since the fastening member is provided with a stopper that regulates the position of the rail holding member inside the railroad rail, the railroad width of the two railroad rails is maintained at a desired position on the top surface of the sleeper member while the rail width is kept constant. Can be clamped.

The railway rail fixing device according to the fourth aspect has a simple structure and can be manufactured at a low cost, and the fastening and releasing work of the rail holding member can be easily performed only with a general tool.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 to 4 show an embodiment of the present invention. Referring to these figures, the railroad rail 20 includes a base flange portion 21, a vertical wall portion 22, and a head portion 23, and has a substantially I-shaped cross section. This railway rail 2
The sleeper member 10 for placing 0 has a plate-shaped top surface portion 11 and a vertical wall portion 12, and is made of, for example, H-shaped steel.

The railroad rail fixing device which characterizes the present invention is a railroad rail 2 laid on the top surface 11 of the sleeper member 10.
And a pair of rail holding members 30 for holding the upper surfaces 24 and 25 of the base flange portion 21 on both sides of the railway rail 20 and a lower part of the two rail holding members 30. And a fastening member 35 to be fastened below the top surface portion 11. The rail holding member 30 has a vertical plate portion 32 and a top surface portion 31 and is formed to bend into a substantially L-shaped cross section. The upper surface 2 of the base flange portion 21 is provided on the lower surface of the top surface portion 31 of the rail holding member 30.
Protrusions 33 that come into contact with 4, 25 are formed. An engagement groove 34 that engages with a side edge of the top surface 11 of the sleeper member 10 is formed in the vertical plate portion 32 of the rail holding member 30.

The fastening member 35 includes a bolt 39 penetrating a hole 36 formed in a lower portion of the both rail pressing members 30, and nuts 37 and 38 screwed to the bolt 39. The number of nuts may be one, but in this embodiment, a double nut configuration is used to prevent loosening.

In the railway rail fixing device having the above structure,
A bolt 39 and a nut 3
When tightened at 7, 38, as shown in FIG.
The base flange portion 21 is sandwiched between the top surface portion 31 of both rail holding members 30 and the top surface portion 11 of the sleeper member 10. At this time, the rail holding member 30 is
Is engaged with the side edge of the top surface portion 11 of the sleeper member 10 at the position, and when the lower portions of the both rail pressing members 30 are tightened with the bolts 39 and the nuts 37 and 38, the both rail pressing members 30 are engaged with the engagement grooves 34. At the top surface 11 of the sleeper member 10. Therefore, it is not necessary to provide a slot or a notch in the sleeper member 10, and the rail rail 20 is connected to the top surface of the sleeper member 10 via the rail holding members 30 fastened by the fastening members including the bolts 39 and the nuts 37 and 38. 11 can be clamped at a desired position.

Further, in the railway rail fixing device having the above structure, since the fastening member is composed of the bolt 39 and the nuts 37 and 38, it can be manufactured at a low cost, and the fastening and releasing work of the rail pressing member 30 can be performed only by a general tool. Easy to do.

FIG. 5 shows another embodiment of the present invention. In the embodiment shown in FIG. 4, since the screw portion of the bolt 39 contacts the inner surface of the hole 36 of the rail holding member 30, when the bolt 39 and the nuts 37, 38 are tightened, the rail holding member 30 becomes The mountain may be crushed. Therefore, in the embodiment shown in FIG. 5, the thread of the bolt 39 is protected by integrally forming the sleeve 40 which is loosely fitted in the hole 36 of the rail holding member 30 with the nut 38. Other configurations are the same as those in the above embodiment. Therefore,
In this embodiment, it is possible to provide a railway rail fixing device that does not have the possibility of crushing the threads of the bolt 39.

In this embodiment, the sleeve 40 is formed integrally with the nut 38. However, in order to achieve the same object, a sleeve having a flange at one end may be used instead of the nut integrated with the sleeve. .

FIG. 6 shows another embodiment of the present invention, which is characterized in that the base 41 of the bolt 39 of the fastening member 35 is caulked and fixed to one of the rail holding members 30.
When the pair of rail holding members 30 are tightened between the head of the bolt 39 and the nut 38 as in the above-described embodiment, the nut 38 is used to prevent the bolt 39 from idling.
And the head of the bolt 39 is engaged with a tool. On the other hand, in the embodiment of FIG. 6, since the base 41 of the bolt 39 of the fastening member 35 is fixed by caulking to one of the rail holding members 30, the nuts 38, 3 are provided.
The tightening operation can be reliably performed using only the tool that engages with the member 7 or the like. In addition, in order to achieve the same object, the bolt 39 is welded and fixed to one of the rail holding members 30,
An engagement hole into which the square head of the bolt 39 fits may be formed in one of the rail holding members 30.

FIG. 7 shows still another embodiment of the present invention. The railroad rail fixing device of this embodiment includes base flange portions 21 and 21 of two substantially I-shaped cross-section railroad rails 20 and 20 laid in parallel on a sleeper member 10 having a plate-like top surface portion 11. Is fixed to the sleeper member 10, and the base flange portions 2 are provided on both sides of each railway rail 20.
A pair of rail holding members 30, 30 for holding the upper surface of the rail 1, and a fastening member 35 for fastening the lower portions of the two sets of rail holding members 30, 30 below the top surface of the sleeper member. I have. Similarly to the above-described embodiment, each rail holding member 303 is formed with an engagement groove 34 that engages with a side edge of the top surface 11 of the sleeper member 10. On the other hand, the fastening member 35 of this embodiment has a threaded portion 45 at both ends and a connecting rod 42 extending through a hole 36 formed in the lower part of each of two pairs of rail holding members. Rod 42
And nuts 46 and 47 that are screwed into the threaded portions 45 at both ends of the rails 20, and the connecting rod 42 has stoppers 43 and 43 that regulate the position of the rail holding member 30 inside the railway rails 20 and 20.
Is fixed.

In this embodiment, the stopper 43 and the nut 3
The pair of rail pressing members 30, 30 can be fastened by clamping the lower portions of the pair of rail pressing members 30, 30 with the nuts 37, 38 and tightening the nuts 37, 38, respectively. Therefore, similarly to the above-described railway rail fixing devices, it is not necessary to provide a slot or a notch in the sleeper member 10, and two rail holding members 30, 30 fastened by the fastening members 35 are used to connect the two rail holding members 30, 30. The rail rail 20 can be clamped to a desired position on the top surface 11 of the sleeper member 10. In addition, the fastening member 35 is
0, a stopper 43 for regulating the position of the rail holding members 30, 30 inside the two rail rails 2 is provided.
With the rail width D of 0 kept constant, it can be clamped at a desired position on the top surface 11 of the sleeper member 10.

In this embodiment, the stopper 43 is a connecting rod 42
For example, the stopper 43 may be formed of a nut and screwed to a threaded portion formed on the connecting rod 42 so that the position can be adjusted. With such a configuration, the position of the stopper 43 can be adjusted. The rail width D can be adjusted by the adjustment. Further, the connecting rod 42 may have a thread formed on the outer circumference over the entire length. Such a connecting rod 42
When using the two railway rails 20 and 20 shown in FIG.
If you need to lay another railway rail inside the
Another pair of rail holding members 30, 30 between the two sets of each pair of rail holding members 30, 30 can be fastened at desired positions by the nuts screwed to the connecting rods 42.

[0026]

[Effect of the Invention] As is clear from the above description, according to the present invention, it is not necessary to provide a slot or a notch in the sleeper member.
The railway rail can be easily clamped and fixed to a desired position on the top surface of the sleeper member via the two rail pressing members fastened by the fastening members, so that the position of the rail and the position of the rail can be improved.
It is possible to provide a railway rail fixing device that can easily adjust the interval (rail width) between the rails.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a railway rail fixing device according to an embodiment of the present invention.

FIG. 2 is a front view of the railway rail fixing device shown in FIG. 1 as viewed in the direction of arrow A in the figure.

FIG. 3 is a side view of the rail fixing device shown in FIG. 1 as viewed in the direction of arrow B in the figure.

FIG. 4 is a cross-sectional view of the railway rail fixing device shown in FIG. 1, taken along the line CC in FIG. 3;

FIG. 5 is a sectional view similar to FIG. 4, showing another embodiment of the present invention;

FIG. 6 is a sectional view similar to FIG. 4, showing another embodiment of the present invention;

FIG. 7 is a front view showing a use state of a rail fixing device according to still another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Sleeper member 11 Top surface part of sleeper member 20 Railway rail 21 Base flange part 30 Rail holding member 34 Engagement groove 35 Fastening member 36 Hole 37, 38 Nut 39 Bolt 40 Sleeve 42 Connecting rod 43 Stopper 46, 47 Nut

Claims (4)

(57) [Scope of request for utility model registration] 1. A railway rail fixing device for fixing a base flange portion of a railway rail laid on a sleeper member having a plate-like top surface to the sleeper member, the base flange being provided on both sides of the railway rail. A pair of rail holding members for holding the upper surface of the rail, and a fastening member for fastening the lower portions of both rail holding members below the top surface of the sleeper member, and the rail holding member includes a side edge of the top surface of the sleeper member. A railway rail fixture, wherein an engagement groove for engagement is formed. 2. The railway rail fixing device according to claim 1, wherein the fastening member comprises a bolt penetrating a hole formed in a lower portion of both rail holding members, and a nut screwed to the bolt. 3. A railroad rail fixing tool for fixing a base flange portion of two railroad rails having a substantially I-shaped cross section laid in parallel on a sleeper member having a plate-like top surface portion to the sleeper member. A pair of rail holding members for holding the upper surface of the base flange portion on both sides of each railway rail, and a lower part of the two sets of both rail holding members fastened below the top surface of the sleeper member. The rail holding member is formed with an engagement groove that engages with a side edge of the top surface of the sleeper member, and the fastening member has a stopper that regulates the position of the rail holding member inside the railroad rail. A railway rail fixing device, characterized in that: 4. A fastening member having a threaded portion at both ends and
A connecting rod extending through a hole formed in a lower portion of each of the pair of rail holding members, and a nut screwed into a screw portion of the connecting rod; a stopper is provided on the connecting rod; 4. The railway rail fixing device according to claim 3, wherein each of the pair of rail holding members is fastened by a stopper and a nut.