The present invention relates to a spring cap holder for freight cars with a new structure with improved durability. The spring cap holder for freight cars according to the present invention comprises: a holder main body (20) composed of an oval shape extending in a vertical direction, having an oval-shaped coupling hole (21) extending in the vertical direction in a central part, and formed with a semicircular coupling part (22) on an inner peripheral surface of the upper and lower ends of the coupling hole (21); and a reinforcing member (30) made of phosphor bronze that is formed in a semicircular shape corresponding to the coupling part (22) and is fitted into the coupling part (22). When fixing pins (2a, 5a) are inserted into the coupling hole (21), the peripheral parts of the fixing pins (2a, 5a) come into close contact with the reinforcing member (30). At this time, the phosphor bronze constituting the reinforcing member (30) has excellent strength and wear resistance compared to a conventional spring cap holder and is not easily worn so that durability and lifespan are improved compared to conventional spring cap holders made of steel, a replacement cycle of the spring cap holder can be extended, and costs can be reduced.

    본 발명은 내구성이 향상된 새로운 구조의 화차용 스프링캡 홀더에 관한 것이다. 본 발명에 따른 화차용 스프링캡 홀더는, 상하방향으로 연장된 장원형태로 구성되고 중앙부에는 상하방향으로 연장된 장원형태의 결합공(21)이 형성되며 상기 결합공(21)의 상하단 내주면에는 반원형상의 결합부(22)가 형성된 홀더본체(20)와, 상기 결합부(22)에 대응되는 반원형상으로 구성되어 상기 결합부(22)에 끼움결합되는 인청동재질의 보강부재(30)로 구성되어, 상기 고정핀(2a,5a)이 결합공(21)에 삽입되도록 하면, 고정핀(2a,5a)의 둘레부가 상기 보강부재(30)에 밀착된다. 이때, 상기 보강부재(30)를 구성하는 인청동은 종래의 스프링캡 홀더에 비해 강도와 내마모성이 뛰어나서 잘 마모되지 않음으로, 강철로 구성된 종래의 스프링캡 홀더에 비해 내구성과 수명이 향상되며, 스프링캡 홀더를 교체하는 주기를 연장하고, 비용을 절감할 수 있는 장점이 있다.


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    Title :

    spring cap holder for cargo train


    Additional title:

    화차용 스프링캡 홀더


    Contributors:

    Publication date :

    2023-11-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES



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