• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1. A process MANGANESE COMPOUNDS AUSTENITIC STEEL CASTINGS base with rails CARBON STEEL welded via an intermediate piece of low-carbon austenitic steel, characterized in that, in order to simplify the technology and storing high-quality compound by using an intermediate piece, which structure corresponds to the diagram Sheflera- nickel the equivalent of 13-30% and the chromic equivalent of 8-25%, the length of the intermediate part is taken equal to 15-25 mm, at first it is welded to the rail by butt welding fused Then, with a cross, while cooling after the second welding operation is carried out at room temperature, and after the first welding operation - with a delay. 2. A method according to claim 1, characterized in that the intermediate CO part is made 50 mm long and, after welding with a rail, is cut to a predetermined length.
    公开号:SU1122209A3
    申请号:SU782654448
    申请日:1978-08-18
    公开日:1984-10-30
    发明作者:Аугустин Хуберт；Мозер Альфред
    申请人:Ферайнигте Эстеррайхише Айзен-Унд Штальверке-Альпине Монтан Аг (Фирма)；
    IPC主号:
    专利说明:

    3 2
    iPus.f i11 The invention relates to a method for combining austenitic manganese steel castings with crosspieces or turnouts with carbon steel rails by welding. Manganese solid steel casting is particularly suitable for crosses due to its wear resistance. However, welding such crosses with carbon steel rails, mostly normal standard rails, presents great difficulties, since austenitic solid manganese steel castings need to be rapidly cooled to avoid the formation of embrittling carbide precipitates, while carbon rails must be slowly cool to avoid underwork. These two conditions are incompatible. Therefore, intermediate parts of mildly viscous steel with austenitic structure should be installed between the crosspiece and the attached rails. There is a method of joining austenitic manganese steel joints of crosses with carbon steel rails by welding through an intermediate piece of low-carbon austenitic steel. In the known method, the intermediate JPJs can be cast in a two-layer casting together with estrovino, or specially welded, I will be put into the template, I will be drawn into the template by means of a layer. the rails are welded to the center and then to the intermediate parts, and due to the appropriate length of the intermediate part; aets heat transfer at the original izgotovlennsh weld. Therefore, it becomes possible to anneal a manganese solid steel casting crosspiece after welding with an intermediate piece and: cool quickly and then follow the CBji-pk with the rail to slowly cool the welding spot, since the presence of the brass piece avoids heating consisting of manganous solid steel pouring crosses to higher temperatures; However, the known methods suggest a relatively large length of the intermediate part. Since the intermediate part consists of less soft and wear-resistant steel than the rail and the cross, the deformation of the rail surface during the operation period occurs at the intermediate part, as a result of which the ride comfort is significantly impaired. The intermediate piece can be coated with wear-resistant steel by welding. However, this requires an additional working step,. The aim of the invention is to simplify the technology and preserve the high quality of the compound using an intermediate part, the composition of which according to the Scheffler diagram corresponds to a nickel equivalent of 13-30% and a chromium equivalent of 8-25%. The goal is achieved in that according to the method of joining austenitic manganese steel castings, crosses with carbon steel rails by welding through an intermediate (a piece of low-carbon austenitic steel, the composition of which according to the Scheffler diagram corresponds to a nickel equivalent of 13-30% and a chromium equivalent of 8-25%, the length of an intermediate the parts are equal to 15–25 mm, first they are welded to the rail by butt flash welding, and then to the crosspiece, while cooling after the second welding operation is carried out at room temperature, and after the first welding operation with a delay. The intermediate piece is made 50 mm long, and after welding with a rail, it is cut to a predetermined length. Due to the fact that the length of the intermediate piece is calculated to be very short, and the wheel diameter is relatively large, it is prevented deformation of the working surface of this intermediate part. The diameter of the wheel is 330-1100 mm and With such small dimensions of the intermediate part, the length of the welded intermediate part averages only about 1% of the diameter of the wheel, Ec If the working surface of the intermediate part were deformed together with the wheel radius, then the depth of such a deformation would be as much as 0.1 mm (such deformation does not violate the ride comfort). Cooling after the first welding operation, in which the intermediate piece was welded to the crosspiece, can easily be performed so slowly / that the occurrence of rail steel piercing is avoided, since there is no effect on the crossbar. If, in the second welding operation, the crosspiece is welded to the intermediate piece, then, with a small length of the intermediate piece, the first weld between the rail and the intermediate piece is heated only to a temperature of about 700 ° C and the cooling from this temperature should not be as slow as the welding temperature Heating the spider after welding operation is not required. Therefore, it is possible to produce cooling directly from the temperature of the welding heat, and the cooling rate can be chosen so fast that the manganous solid steel casting does not yet brittle, and so slow that carbon steel of the rail does not become brittle when cooled. It is essential that the intermediate piece is first welded to the rail and then only in the second working operation it is welded to the crosspiece. Welding is carried out using flash butt welding. In this case, the heating extends only over a small area, and the part of the material that is heated to the liquid phase is squeezed and disappears. The cooling after the second welding is carried out in calm air while the cooling after the first welding is carried out with a slowdown compared to the cooling in calm air. Cooling in calm air is fast enough to avoid embrittlement of manganese solid steel casting when cooled from heat of welding and slow enough to avoid hardening of carbon steel of the rail while cooling from 700 ° C. In the proposed method, it is advantageous to use an intermediate part having a profile of a normal standard rail. When butt welding 1. 9 by reflow, the intermediate piece must be of such a length that allows for a firm clamping in the welding machine. According to the invention, an intermediate piece is prepared, having a greater length, preferably about 50 mm, welded to a normal standard rail and then cut to the required length. The proposed method can also be carried out in such a way that the rail consisting of the material of the intermediate part is welded to a normal standard rail and then the residual part of this intermediate material consisting of the material is cut off from the intermediate part. Each welding process melts or precipitates about 10 mm of the intermediate piece. If the length of the intermediate piece welded to the standard rail is limited to a maximum of 2025 mm, preferably 15-20 mm, then already at the first welding operation, melting of about 10 mm can be taken into account. In the second welding operation, the subsequent approximately 10 mm are melted, so that the length of the intermediate part is shortened by 5-10 mm. A length of 5-10 mm allows to achieve the desired result. since a blocking layer of 0.1-1 mm is sufficient to prevent diffusion. Taking into account the diffusion between the alloying elements of the intermediate part and the manganese solid steel casting, the choice of material for the intermediate part for the proposed method is of great importance, therefore the intermediate part is made of austenitic nickel-chromium steel, whose composition corresponds to a nickel equivalent of 13-30% and a chromium equivalent of 8-25% , in terms of the Scheffler diagram, the equivalent for nickel being 1x% nickel + 30x% carbon + 0.5x% manganese, and the equivalent for chromium being equal to 1x% chromium + 1x% moth bdene + 1.5x% silicon. With this choice of material of the intermediate part, diffusion phenomena between the material of the intermediate part and the manganese solid steel casting of the cross are not reflected negatively. Figure 1 shows the connection of the cross with the normal standard.
    v. 11222 rails; a fig. 2 is a section A-A in FIG. 3 — a section B-B in lig.1.
    The cross 1 is made of manganese solid steel casting, Normal standard rails 2 through intermediate parts 3 are welded to this crosspiece through intermediate parts 3 by means of flash butt welding S
    An intermediate piece of about 50 mm long is prepared, sufficient to hold these intermediate parts in a flash butt welding machine. Intermediate parts are shown as follows: Fig. 3, the profile of a normal standard rail. 50 × 4 long machined parts are welded in the usual way with a normal standard rail 2 using butt welding 6
    In this case, a weld seam 4 appears (Fig. 2), which cools slowly, for example, J under a heat insulating layer with a protective layer. The intermediate parts are then cut in such a way that their length from the weld seam 4 is 15 mm. Thereafter, welding with the spider 1 is immediately performed by means of flash butt welding.
    When welding, a part of the intermediate part about 10 mm long is melted again, so that the length is obtained, the length of the welds 4 and 5 is 5 mm.
    The use of the first method allows for a lower cost and simpler production technology to ensure the high quality of the junction with the rails.
    3
    权利要求:
    Claims (2)
    [1]
    1. METHOD FOR CONNECTING AUSTENITE Manganese Steel Castings of Crosses with Carbon Steel Rails by welding through an intermediate part of low-carbon austenitic steel, characterized in that, in order to simplify the technology and maintain high quality of the connection, the composition according to the diagram shows the composition nickel equivalent of 13-30% and chromium equivalent of 8-25%, the length of the intermediate part is taken equal to 15-25 mm, first it is welded to the rail by flash butt welding, and ATEM - with a crosspiece, wherein the cooling after the second welding operation is carried out at room temperature, and after the first welding operation - with deceleration.
    [2]
    2. The method of pop. ^ characterized in that the intermediate part is made with a length of 50 mm, and after welding with a rail, cut to a predetermined length.
    SU m l 122209 φιη.ί
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    同族专利:
    公开号 | 公开日
    PL209117A1|1979-07-02|
    AT350881B|1979-06-25|
    US4169745A|1979-10-02|
    FR2400409A1|1979-03-16|
    JPS5443147A|1979-04-05|
    FR2400409B1|1982-08-13|
    HU178218B|1982-03-28|
    IT1098168B|1985-09-07|
    BR7805335A|1979-04-10|
    BE869776A|1978-12-18|
    PL131267B1|1984-10-31|
    JPS6157119B2|1986-12-05|
    AR218501A1|1980-06-13|
    UA5991A1|1994-12-29|
    GB2002668B|1982-03-03|
    DE2834282C3|1987-07-30|
    ES472691A1|1979-03-16|
    CH649591A5|1985-05-31|
    IT7826837D0|1978-08-18|
    PT68437A|1978-09-01|
    DE2834282B2|1980-05-29|
    GR65341B|1980-08-18|
    ATA603077A|1978-11-15|
    DE2834282A1|1979-02-22|
    GB2002668A|1979-02-28|
    LU80121A1|1979-01-19|
    引用文献:
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    US1757972A|1927-06-30|1930-05-13|Ohio Brass Co|Method of making rail joints|
    US2276782A|1938-09-14|1942-03-17|Oxweld Railroad Service Compan|Production of butt-welded rail joints, and rail adapted for use therewith|
    US3022968A|1959-03-05|1962-02-27|Frog Switch & Mfg Co|Railway frog|
    US3480072A|1966-05-04|1969-11-25|Kloeckner Werke Ag|Core portion of a railroad frog and method of making the same|
    GB1134527A|1966-06-18|1968-11-27|Allen Edgar Eng|Improvements in or relating to railway points and crossings of manganese steel|
    DE1534054B1|1966-09-22|1969-09-18|Kloeckner Werke Ag|Center piece made of manganese steel|
    DE1945309A1|1969-09-06|1971-03-11|Kloeckner Werke Ag|Switch point cast frog|
    DE2239304A1|1972-08-10|1974-02-21|Steigerwald Krauss Maffei Gmbh|Electron beam welded joints - between manganese steel and transformation hardenable steel with dual heating of transition hardenable steel|
    BE794848A|1972-12-15|1973-05-29|Pompey Acieries|MANUFACTURING PROCESS IMPROVING THE HOLDING OF REFRACTORY STEEL WELDED PARTS|
    FR2248906B3|1973-10-25|1976-09-17|Blanc Pierro|
    DE2706697C2|1977-02-17|1978-07-06|Kloeckner-Werke Ag, 4100 Duisburg|Process for producing a welded joint between manganese steel and rail steels|DE2952079C2|1979-12-22|1983-04-21|Thyssen Industrie Ag, 4300 Essen|Process for producing a welded joint|
    DE3004235C2|1980-02-06|1982-09-16|Klöckner-Werke AG, 4100 Duisburg|Process for producing a welded joint between cast parts made of manganese steel and normal rail steels|
    FR2509769B1|1981-07-17|1984-02-24|Creusot Loire|
    JPH0771748B2|1986-08-20|1995-08-02|株式会社クボタ|Roll seam welding method|
    IT1196614B|1986-09-10|1988-11-16|Breda Fucine Meridionali Spa|PROCEDURE FOR THE CONNECTION OF HEARTS IN AUSTENITIC STEEL TO MANGANESE FOR RAILWAY EXCHANGES WITH RAILS IN CARBON STEEL OR LOW ALLOY|
    GB2198667B|1986-12-20|1991-08-07|Refurbished Turbine Components|Parts for and methods of repairing machines|
    HU205975B|1988-10-04|1992-07-28|Voest Alpine Maschinenbau|Railway frog from cast hard manganese steel|
    FR2645547B1|1989-04-05|1991-07-26|Manoir Ind|INSERT FOR CONNECTION OF A MANGANESE STEEL PART TO ANOTHER CARBON STEEL PART, METHOD OF CONNECTION USING THIS INSERT, AND ASSEMBLY OBTAINED BY THIS PROCESS|
    AT395122B|1990-07-20|1992-09-25|Voest Alpine Eisenbahnsysteme|METHOD FOR CONNECTING SOFT PARTS OR MADE OF MANGANESE STEEL CAST. MANGANE STEEL RAILS WITH A CARBON STEEL RAIL|
    AU726598B2|1990-07-20|2000-11-16|Vae Eisenbahnsysteme Aktiengesellschaft|Method for connection of railway point components to a rail|
    DE4041627C1|1990-12-22|1992-06-17|Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De|
    FR2700344B1|1993-01-08|1995-03-31|Cogifer|Method for manufacturing an element of railway track apparatus and element resulting therefrom.|
    DE4442415A1|1994-11-29|1996-05-30|Butzbacher Weichenbau Gmbh|Process for producing a frog tip and frog tip|
    FR2733706B1|1995-05-05|1997-07-18|Cogifer|WELDING WITHOUT METAL SUPPLY OF CARBON STEEL WITH ALLOY STEEL, METHODS OF OBTAINING AND APPLICATION TO RAILWAY APPARATUSES|
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    CN1116955C|2000-07-21|2003-08-06|燕山大学|Medium flash welding method for high manganese steel frog and carbon steel rail|
    US7371988B2|2004-10-22|2008-05-13|Electric Power Research Institute, Inc.|Methods for extending the life of alloy steel welded joints by elimination and reduction of the HAZ|
    AT501239B1|2004-12-10|2007-02-15|Vae Gmbh|METHOD FOR CONNECTING SOFT PARTS COMPOSED OF MANGETHANE GROOVE OR MANGANIZED STEEL RAILS WITH A CARBON STEEL RAIL|
    CN101474713B|2009-01-22|2011-02-09|中铁宝桥股份有限公司|High manganese steel frog and rail flash butt welding method|
    US8424812B1|2011-01-25|2013-04-23|Cleveland Track Material, Inc.|Elevated frog and rail track assembly|
    US8556217B1|2011-05-24|2013-10-15|Cleveland Track Material, Inc.|Elevated frog and rail crossing track assembly|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    AT603077A|AT350881B|1977-08-19|1977-08-19|METHOD OF CONNECTING CASTING AUSMANGAN CAST STEEL TO SPINS MADE OF CARBON STEEL|LV920622A| LV5422A3|1977-08-19|1992-12-30|Austenitian manganese is used for crossbreeding and carbon steel rail joints|
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