JP3070326U - Rail fixing support - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the manufacturing cost of a rail fixing support, to increase a bonding force to a sleeper, and to maintain a more stable electrical insulation state between a rail and a rail fixing support and a concrete sleeper. Provided is a rail fixing support that can be used. SOLUTION: A stem portion (20) buried and fixed in a concrete rail sleeper (1) and a rail fixing spring clip (2) projecting above the sleeper are connected and supported, and the spring clip ( In the rail fixing support (10), which is integrally formed with a head part (30) that provides a fixing and supporting action to the rail (3) in cooperation with 2), the inside of the head part (30) is formed. On one side, a cavity (31) communicating with the spring clip coupling hole (32) is formed, and at least one through hole (32) is formed in a part of the stem (20), and the stem ( The insulating coating layer (40) is applied to a part or the whole surface of the main body of the rail fixing support (10) including the stem (20) or the stem (20) and the head (30).

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an improvement in a rail fixing support for fixing and supporting a railroad rail to a concrete rail sleeper. It provides excellent durability against lateral and longitudinal pressure from the rail and provides a more secure and stable connection to the sleeper, as well as excellent electrical insulation between the rail and the sleeper. The present invention relates to a rail fixing support designed to provide flexibility.

[0002]

[Prior art]

 In recent years, concrete rail sleepers that provide superior durability and service life under severe use conditions accompanied by the effects of large repetitive loads or impact forces are often used for rail rail laying. Such a concrete rail sleeper is provided with a rail fixing support made of a metal material so that the rail body placed at a predetermined position on the sleeper can be reliably fixed and maintained at that position. The rail fixing support is made of a metal having good durability and impact resistance against repeated large loads and impacts, and then is used for forming and curing sleepers using concrete. A part of the anchoring device is buried inside the sleeper, and the remaining part is connected to the sleeper so as to protrude above the sleeper.

FIG. 1 shows a rail fixing support of this type, and shows a configuration and an example of use of a conventional typical rail fixing support. This conventional rail fixing support 10 ′ is connected to and supports a stem portion 20 ′ embedded and fixed in a concrete rail sleeper 1 and a rail fixing spring clip 2 protruding above the sleeper 1. A head portion 30 ′ that provides a fixed support function to the rail 3 by cooperating with the spring clip 2 is integrally cast and formed. Such a conventional rail fixing support 10 ′ has a considerable left and right width so that the stem portion 20 ′ can withstand the lateral pressure from the rail 3, and can withstand the vertical pressure from the rail 3. As a result, the protruding portions 22 ′ and 23 ′ for increasing the bonding strength between the reinforcing portion 21 ′ and the sleeper 1 are integrally formed, so that a considerable amount of material is required to manufacture and complete the rail fixing support. In addition to this, the increase in the total weight of the fixed support and the increase in manufacturing cost are inevitable. In addition, since the recessed portion 31 ′ opened to the outside is formed on one side of the head portion 30 ′ for the purpose of material saving and weight reduction, it is a constituent material of the sleeper when the sleeper 1 is manufactured. Since part of the concrete is hardened while remaining in the recess 31 'and a step 1' is formed which is vulnerable to the action of a repeated load, the sleeper from the step 1 'may be damaged during use. There is a problem that the connecting force between the rail and the sleeper 1 and the rail fixing support 10 ′ is weakened or the rail fixing state is weakened easily. In addition, the rails 3 laid using such rail fixing supports 10 ′, sleepers 1, rail pads 4, insulating blocks 5, etc. are provided for operation of related signal systems and electric control systems. When the insulating block 5 or the rail pad 4 is damaged or broken by the repetitive impact force from the rail 3, especially when it rains, the current flowing through the rail 3 moves to the rail fixing support 10 'side. There is also a frequent problem that signal leakage or control failure of related systems is caused by leakage. Such a problem is due to the fact that the surface of the metal material body of the conventional rail fixing support 10 'is formed in a simple structure without insulation treatment.

[0004]

[Problems to be solved by the invention]

 SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a rail fixing support having a further improved configuration capable of effectively solving the conventional problems as described above.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention is directed to a stem section buried and fixed in a concrete rail sleeper, and a rail clip projecting above the sleeper, connecting and supporting a rail fixing spring clip. In a rail fixing support formed by integrally molding a head part that cooperates and provides a fixed support function to the rail, one side inside the head part is communicated with a spring clip coupling hole. A cavity is formed, at least one through hole is formed in a part of the stem, and an insulating coating layer is formed on a part or the entire surface of the rail fixing support body including the stem or the stem and the head. Provided is a rail fixing support characterized in that a rail is applied.

[0006]

[Embodiment of the invention]

 Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

FIG. 2 is a perspective view of a rail fixing support 10 according to a preferred embodiment of the present invention, and FIG. 3 is a sectional view of the rail fixing support 10. As shown in these figures, the rail fixing support 10 according to the present invention connects a stem portion 20 buried in a concrete rail sleeper 1 and a spring clip 2 for rail fixing projecting above the sleeper 1. The rail fixing support 10 according to the present invention has a basic configuration formed by casting and molding a head portion 30 that supports and provides a fixed supporting action to the rail 3 by the cooperative action with the spring clip 2. The basic configuration is the same as that of a general rail fixing support.

According to an improvement of the present invention, the rail fixing support 10 is provided with a cavity 31 communicating with a spring clip coupling hole 32 at one side inside the head portion 30. By doing so, the constituent material and weight of the head portion 30 can be effectively reduced to an extent corresponding to the size of the cavity 31 without weakening the structural strength required for the head portion 30. In addition, since the cavity 31 is formed so as not to be opened directly to the outside of the head portion 30, when the sleeper 1 is manufactured, as in the conventional case, the brittleness is formed by the material of the sleeper 1 entering. The advantage of not providing any significant step is obtained.

According to another improvement of the present invention, when the stem portion 20 of the rail fixing support 10 is viewed in the left-right direction of the drawing, it gradually becomes larger as going upward and downward from the center of the stem portion 20. It is formed so as to have a certain width, and when viewed in the front-rear direction of the drawing, is formed so as to have an upper, lower, upper, lower, and narrow shape. It is proposed that a through hole 21 penetrating the stem portion 20 in the left-right direction of the drawing is formed. By configuring the stem portion 20 of the rail fixing support 10 as described above, the stem portion 20 can be made as light as possible with as little material as possible without inducing a decrease in the structural strength required for the stem portion 20. When the concrete rail sleeper 1 is manufactured, the concrete sleeper 1 is made while the concrete, which is a constituent material of the sleeper 1, enters the through-hole 21 and is solidified, so that the rail is manufactured. A solid and stable connection of the fixed support 10 which greatly increases the connecting force between the stem portion 20 of the fixed support 10 and the sleeper 1 and the corresponding pull-out force of the rail fixed support 10. The advantage is that it can be achieved.

According to still another preferred improvement of the present invention, as shown in FIG. 4, a partial surface of the rail fixing support 10 including the stem 20, or the stem 20 and the head 30. It is proposed to apply the insulating coating layer 40 to the entire surface including the following. In this way, even if the rail pad 4 and the insulating block 5 are damaged or broken by the repetitive load and the impact force applied from the rail 3, the rail 3 and the rail 3 Since the electrically insulated state between the fixed support 10 and the sleeper 1 is maintained, an advantageous effect is obtained in which a signal failure or a control failure due to leakage of the rail current does not occur. As a material of the insulating coating layer 40, a paint having strong chemical resistance and durability to an alkali component of concrete as a constituent material of the sleeper 1 and having excellent electric insulation is used.

[0011]

[Effect of the invention]

 Therefore, the present invention can reduce the manufacturing cost of such a rail fixing support and provide a more stable and stable rail and rail mounting support by the above-described configuration and operation, Further, it has a useful effect of maintaining a more stable electrical insulation state between the rail fixing support and the rail.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a use state of a conventional rail fixing support.

FIG. 2 is a perspective view showing the rail fixing support according to the present invention;

FIG. 3 is a sectional view showing the rail fixing support according to the present invention;

FIG. 4 is an enlarged view of a portion A in FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Concrete rail sleeper 2 Rail fixing spring clip 3 Rail 4 Rail pad 5 Insulation block 10 Rail fixing support 20 Stem 21 Through hole 30 Head part 31 Cavity 32 Spring clip connecting hole 40 Insulation coating layer

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[Procedure amendment]

[Submission date] March 9, 2000 (200.3.9)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims for utility model registration

[Correction method] Change

[Correction contents]

[Utility model registration claims]

Claims (3)

[Utility model registration claims] 1. A stem (20) buried in a concrete rail sleeper, and connected to and supported by a rail fixing spring clip projecting from an upper part of the sleeper, and cooperating with the spring clip to secure the rail to the rail. A rail fixing support (10) formed by integrally casting a head part (30) that provides a fixing support function, wherein a stem (20) of a main body of the rail fixing support (10).
A rail fixing support, wherein an insulating coating layer (40) is formed on a part of the surface, or on the entire surface including the stem part (20) and the head part (30). 2. A cavity (3) communicating with a spring clip coupling hole (32) in one side of the head part (30).
The rail fixing support according to claim 2, wherein 1) is formed. 3. The rail fixing support according to claim 1, wherein at least one through hole (21) is formed in a part of the stem portion (20).