CN109778602A - A kind of tramcar groove profile railway frog and seamless process manufacturing method - Google Patents

A kind of tramcar groove profile railway frog and seamless process manufacturing method Download PDF

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Publication number
CN109778602A
CN109778602A CN201910226190.1A CN201910226190A CN109778602A CN 109778602 A CN109778602 A CN 109778602A CN 201910226190 A CN201910226190 A CN 201910226190A CN 109778602 A CN109778602 A CN 109778602A
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China
Prior art keywords
railway frog
groove profile
layer
frog
welding
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CN201910226190.1A
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Chinese (zh)
Inventor
张海华
李文博
程亮
冀娟茹
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China Railway Baoji Bridge Group Co Ltd
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China Railway Baoji Bridge Group Co Ltd
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Priority to CN201910226190.1A priority Critical patent/CN109778602A/en
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Abstract

The invention discloses a kind of tramcar groove profile railway frogs, including groove profile railway frog, railway frog alloy steel layer, railway frog steel plate layer, associate member, standard channel rail and Flash Butt Welding rail gap;A kind of seamless process manufacturing method of tramcar groove profile railway frog, using railway frog alloy steel layer as upper layer, railway frog steel plate layer welds upper and lower level after then carrying out the leveling of upper and lower level machinery and periphery processing, forms groove profile railway frog as lower layer, upper and lower level blanking;The groove profile railway frog of above-mentioned welding is integrally carried out to mechanical leveling, and upper layer working face, side, flangeway are finished, and to finishing within the scope of the toe of groove profile railway frog, heel end fish tail space ≮ 150mm, the associate members such as otic placode, connection iron are welded after carrying out weld joint ultrasonic and coloring nondestructive inspection;By the toe of groove profile railway frog, heel end flash welding standard channel rail, normalizing, polishing welding seams are carried out, tune is rectified to weld seam dye penetrant inspection, pressure, groove profile railway frog entirety anti-corrosion coats, acquisition finished product groove profile railway frog.

Description

A kind of tramcar groove profile railway frog and seamless process manufacturing method
Technical field
Invention is related to tramcar groove profile railway frog technical field, specially a kind of tramcar groove profile railway frog and seamless process system Make method.
Background technique
Urban tram line alignment Complex Flexible more than tramcar track switch seed type number, covers track switch all types, The linear multiplicity of railway frog number.Tramcar groove-shape rail track switch railway frog is using traditional block cast potassium steel structure at present, and there are problems Such as: complex structural designs, die sinking, casting and machine add the manufacturing cycle long, and casting and machine add difficulty big, and structure is complicated so that internal casting It makes quality and floats larger, railway frog self weight and volume are larger, transport and it is laid with heavy workload, for jack per station and sweep, Block cast high manganese steel frog sexual valence is poor.Groove profile high manganese steel frog cannot directly be welded with rail.
Summary of the invention
Invention is designed to provide a kind of tramcar groove profile railway frog and seamless process manufacturing method, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, invention provides the following technical solutions: a kind of tramcar groove profile railway frog, including groove profile rut Fork, railway frog alloy steel layer, railway frog steel plate layer, associate member, standard channel rail and Flash Butt Welding rail gap, the type railway frog is by railway frog The railway frog alloy steel layer, the groove profile is arranged in alloy steel layer and railway frog steel plate layer composition, the upper surface of the railway frog steel plate layer Four ends of railway frog are welded with standard channel rail respectively.
Preferably, the both sides of the edge of the groove profile railway frog are fixed with several associate members along its length.
Preferably, the associate member is otic placode or connection iron.
Preferably, four ends of the groove profile railway frog and the end junction of the standard channel rail are installed with flash of light Weld rail gap.
Preferably, the railway frog alloy steel layer be abrasion-resistant stee, the abrasion-resistant stee with a thickness of 100~110mm, the railway frog Steel plate layer is Hi-Stren steel, the Hi-Stren steel with a thickness of 80~70mm;Railway frog alloy steel layer with it is described Arc welding, carbon-dioxide arc welding General welding technique, and position while welding and the standard cell are used between railway frog steel plate layer Shaped steel rail natural axis is neighbouring.
Preferably, within the scope of toe heel end ≮ 150mm of the groove profile railway frog fish tail Space processing at standard channel rail Size, the groove profile frog toe heel end weld company by Flash Butt Welding mode with standard channel rail respectively.
A kind of seamless process manufacturing method of tramcar groove profile railway frog, specifically includes the following steps:
S1, using railway frog alloy steel layer as upper layer, railway frog steel plate layer then carries out up and down as lower layer, upper and lower level blanking Upper and lower level is welded after the mechanical leveling of layer and periphery processing, forms groove profile railway frog;
S2, the groove profile railway frog of above-mentioned welding is integrally carried out to mechanical leveling, and to upper layer working face, side, flangeway finishing Work, and to being finished within the scope of the toe of groove profile railway frog, heel end fish tail space ≮ 150mm, carry out weld joint ultrasonic and coloring The associate members such as otic placode, connection iron are welded after nondestructive inspection;
S3, by the toe of groove profile railway frog, heel end flash welding standard channel rail, carry out normalizing, polishing welding seams, weld seam coloured Tune, the coating of groove profile railway frog entirety anti-corrosion are rectified in flaw detection, pressure, obtain finished product groove profile railway frog.
Compared with prior art, advantageous effect of the invention is: the tramcar groove profile frog structure is simple, easy to accomplish, High production efficiency, practicability is good, adapts to urban tram track switch Multiple Type, different linear unique requirements, Ge Xiangji Art index meets design standard, and performance is stablized, and meets street railway Operational requirements;The seamless process manufacturer of the groove profile railway frog Method, i.e. groove profile railway frog are welded by upper layer abrasion-resistant stee and lower layer's Hi-Stren steel, and the toe of groove profile railway frog, heel end are through special Company is welded by Flash Butt Welding mode with standard channel rail after processing, realizes the requirement of groove profile railway frog seamless process, the groove profile railway frog knot Structure is simple and novel, and materials are convenient, and cost is relatively low, and design, manufacture and delivery cycle are short, the crucial work such as machine adds, welds, nondestructive inspection Sequence quality is easier to controlled, and whole finished product is beautiful, and self weight and volume are moderate, and for jack per station and linear track switch, cost performance is good, It can be good at meeting tramcar track switch technical requirements and Operational requirements.
Detailed description of the invention
Fig. 1 is a kind of tramcar groove profile frog structure schematic diagram one.
Fig. 2 is a kind of tramcar groove profile frog structure schematic diagram two.
Fig. 3 is A-A sectional structure chart in Fig. 1.
Fig. 4 is B-B sectional structure chart figure in Fig. 1.
In figure: 1- groove profile railway frog;11- railway frog alloy steel layer;12- railway frog steel plate layer;2- associate member;3- standard cell fashioned iron Rail;4- Flash Butt Welding rail gap.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, invention provides a kind of technical solution: a kind of tramcar groove profile railway frog, including groove profile railway frog 1, Railway frog alloy steel layer 11, railway frog steel plate layer 12, associate member 2, standard channel rail 3 and Flash Butt Welding rail gap 4, the type railway frog 1 It is made of railway frog alloy steel layer 11 and railway frog steel plate layer 12, the railway frog steel alloy is arranged in the upper surface of the railway frog steel plate layer 12 Layer 11, four ends of the groove profile railway frog 1 are welded with standard channel rail 3 respectively.
The both sides of the edge of the groove profile railway frog 1 are fixed with several associate members 2 along its length.
The associate member 2 is otic placode or connection iron.
Four ends of the groove profile railway frog 1 and the end junction of the standard channel rail 3 are installed with Flash Butt Welding Rail gap 4.
The railway frog alloy steel layer 11 be abrasion-resistant stee, the abrasion-resistant stee with a thickness of 100~110mm, the railway frog steel plate Layer 12 be Hi-Stren steel, the Hi-Stren steel with a thickness of 80~70mm;Railway frog alloy steel layer 11 with it is described Arc welding, carbon-dioxide arc welding General welding technique, and position while welding and the standard are used between railway frog steel plate layer 12 3 natural axis of groove-shape rail is neighbouring.
Within the scope of toe heel end ≮ 150mm of the groove profile railway frog 1 fish tail Space processing at standard channel rail 3 size, The 1 toe heel end of groove profile railway frog welds company by Flash Butt Welding mode with standard channel rail 3 respectively.
A kind of seamless process manufacturing method of tramcar groove profile railway frog, specifically includes the following steps:
S1, railway frog alloy steel layer 11 is used as to upper layer, railway frog steel plate layer 12 is used as lower layer, and upper and lower level blanking then carries out Upper and lower level is welded after the leveling of upper and lower level machinery and periphery processing, forms groove profile railway frog 1;
S2,1 entirety of groove profile railway frog of above-mentioned welding is subjected to mechanical leveling, and to upper layer working face, side, flangeway finishing Work, and to being finished within the scope of the toe of groove profile railway frog 1, heel end fish tail space ≮ 150mm, carry out weld joint ultrasonic and coloring The associate members 2 such as otic placode, connection iron are welded after nondestructive inspection;
S3, by the toe of groove profile railway frog 1, heel end flash welding standard channel rail 3, normalizing, polishing welding seams are carried out, to weld seam The whole anti-corrosion coating of tune, groove profile railway frog 1 is rectified in color flaw detection, pressure, obtains finished product groove profile railway frog 1.
Working principle: rolling low-alloy wear-resistant steel, hardness are 390~410HB, meet the technology of railway frog region alternating load It is required that.Low-alloy high-tensile structural steel is rolled, low temperature impact properties are more preferable, can satisfy adverse circumstances and want to the performance of railway frog It asks.And upper and lower level is rolled plate, compared to casting potassium steel material, dense internal organization welds preceding nondestructive inspection without carrying out Process.To optimize railway frog stress, welding seam design position and 3 natural axis of standard channel rail are close, thereby determine that upper layer abrasion-resistant stee Thickness uses 100~110mm, and Hi-Stren steel thickness uses 80~70mm, total high value 180mm, with standard cell fashioned iron Rail 3 is identical.To meet welding process requirement, fish tail Space processing is at U-steel within the scope of 1 toe of groove profile railway frog, heel end ≮ 150mm Rail standard size.In factory after the completion of Flash Butt Welding, 1 toe of groove profile railway frog, heel end are standard rail, and the same section of route rail, Same material meets live seamless process technical requirements of laying a railway track.
Advantageous effect of the invention is: the tramcar groove profile frog structure is simple, and easy to accomplish, high production efficiency is practical Property it is good, adapt to urban tram track switch Multiple Type, different linear unique requirements, all technical meets design mark Standard, performance are stablized, and street railway Operational requirements are met;The seamless process manufacturing method of the groove profile railway frog, i.e. groove profile railway frog 1 by Upper layer abrasion-resistant stee and lower layer's Hi-Stren steel are welded, the toe of groove profile railway frog 1, heel end after special processing with standard cell Shaped steel rail 3 welds company by Flash Butt Welding mode, realizes the requirement of 1 seamless process of groove profile railway frog, and 1 structure of groove profile railway frog is simple and novel, Materials are convenient, and cost is relatively low, and design, manufacture and delivery cycle are short, and the critical processes quality such as machine adds, welds, nondestructive inspection is easier to Controlled, whole finished product is beautiful, and self weight and volume are moderate, and for jack per station and linear track switch, cost performance is good, can be good at Meet tramcar track switch technical requirements and Operational requirements.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (7)

1. a kind of tramcar groove profile railway frog, it is characterised in that: including groove profile railway frog (1), railway frog alloy steel layer (11), railway frog steel Plate layer (12), associate member (2), standard channel rail (3) and Flash Butt Welding rail gap (4), the type railway frog (1) is by railway frog steel alloy The railway frog alloy steel layer is arranged in layer (11) and railway frog steel plate layer (12) composition, the upper surface of the railway frog steel plate layer (12) (11), four ends of the groove profile railway frog (1) are welded with standard channel rail (3) respectively.
2. a kind of tramcar groove profile railway frog as described in claim 1, it is characterised in that: the two sides of the groove profile railway frog (1) Edge is fixed with several associate members (2) along its length.
3. a kind of tramcar groove profile railway frog as claimed in claim 2, it is characterised in that: the associate member (2) be otic placode or Connect iron.
4. a kind of tramcar groove profile railway frog as described in claim 1, it is characterised in that: four of the groove profile railway frog (1) End and the end junction of the standard channel rail (3) are installed with Flash Butt Welding rail gap (4).
5. a kind of tramcar groove profile railway frog as described in claim 1, it is characterised in that: the railway frog alloy steel layer (11) is Abrasion-resistant stee, the abrasion-resistant stee with a thickness of 100~110mm, the railway frog steel plate layer (12) is Hi-Stren steel, described low Alloy high strength steel with a thickness of 80~70mm;Electric arc is used between railway frog alloy steel layer (11) and the railway frog steel plate layer (12) Weldering, carbon-dioxide arc welding General welding technique, and position while welding and standard channel rail (3) natural axis are neighbouring.
6. a kind of tramcar groove profile railway frog as described in claim 1, it is characterised in that: the toe of the groove profile railway frog (1) with Size of the fish tail Space processing at standard channel rail (3), groove profile railway frog (1) the toe heel end difference within the scope of end ≮ 150mm Company is welded by Flash Butt Welding mode with standard channel rail (3).
7. a kind of seamless process manufacturing method of tramcar groove profile railway frog, it is characterised in that: specifically includes the following steps:
S1, railway frog alloy steel layer (11) is used as to upper layer, railway frog steel plate layer (12) is used as lower layer, and upper and lower level blanking then carries out Upper and lower level is welded after the leveling of upper and lower level machinery and periphery processing, is formed groove profile railway frog (1);
S2, the groove profile railway frog (1) of above-mentioned welding is integrally carried out to mechanical leveling, and to upper layer working face, side, flangeway finishing Work, and to being finished within the scope of the toe of groove profile railway frog (1), heel end fish tail space ≮ 150mm, carry out weld joint ultrasonic and The associate members (2) such as otic placode, connection iron are welded after color nondestructive inspection;
S3, by the toe of groove profile railway frog (1), heel end flash welding standard channel rail (3), normalizing, polishing welding seams are carried out, to weld seam The whole anti-corrosion coating of tune, groove profile railway frog (1) is rectified in color flaw detection, pressure, is obtained finished product groove profile railway frog (1).
CN201910226190.1A 2019-03-25 2019-03-25 A kind of tramcar groove profile railway frog and seamless process manufacturing method Pending CN109778602A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110205876A (en) * 2019-06-14 2019-09-06 中铁山桥集团有限公司 A kind of tramcar track switch alloy steel frog structure
CN110670426A (en) * 2019-08-09 2020-01-10 中铁宝桥集团有限公司 Novel cross turnout
RU215061U1 (en) * 2022-07-06 2022-11-28 Валерий Сергеевич Фадеев GASKET FOR JOINTS OF FROSTERS OF TURNOUTS

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Publication number Priority date Publication date Assignee Title
EP0143289A1 (en) * 1983-10-29 1985-06-05 Schreck-Mieves GmbH Frog for switches or crossings, and method of manufacturing them
CN207277103U (en) * 2016-12-02 2018-04-27 中国铁道科学研究院 Railway frog
CN108867202A (en) * 2018-09-19 2018-11-23 芜湖中铁科吉富轨道有限公司 A kind of alloy steel fork heart that unitary tape wing rail is increased
CN209703207U (en) * 2019-03-25 2019-11-29 中铁宝桥集团有限公司 A kind of tramcar groove profile railway frog

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Publication number Priority date Publication date Assignee Title
EP0143289A1 (en) * 1983-10-29 1985-06-05 Schreck-Mieves GmbH Frog for switches or crossings, and method of manufacturing them
CN207277103U (en) * 2016-12-02 2018-04-27 中国铁道科学研究院 Railway frog
CN108867202A (en) * 2018-09-19 2018-11-23 芜湖中铁科吉富轨道有限公司 A kind of alloy steel fork heart that unitary tape wing rail is increased
CN209703207U (en) * 2019-03-25 2019-11-29 中铁宝桥集团有限公司 A kind of tramcar groove profile railway frog

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110205876A (en) * 2019-06-14 2019-09-06 中铁山桥集团有限公司 A kind of tramcar track switch alloy steel frog structure
CN110670426A (en) * 2019-08-09 2020-01-10 中铁宝桥集团有限公司 Novel cross turnout
RU215061U1 (en) * 2022-07-06 2022-11-28 Валерий Сергеевич Фадеев GASKET FOR JOINTS OF FROSTERS OF TURNOUTS
RU2789926C1 (en) * 2022-07-06 2023-02-14 Валерий Сергеевич Фадеев Gasket for joints of frosters of turnouts

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