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High-strength light wheel rim for railcar and production process thereof

A rail car, high-strength technology, applied in the direction of wheels, wheels, vehicle parts, etc. characterized by rail running parts, can solve the problem of limited space under the rail car, and achieve the increase and decrease of tensile strength. Wheelset mass, the effect of reducing wheelset mass

Inactive Publication Date: 2018-10-26
MAANSHAN TIANJUN MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the limited space at the bottom of the dual-purpose rail vehicle, the weight of the body is limited by its own weight and the weight of the loading platform, so it cannot be completely equipped with a rail train bogie

Method used

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  • High-strength light wheel rim for railcar and production process thereof
  • High-strength light wheel rim for railcar and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0027] The specific production process of rail car tires is as follows:

[0028] (1) The raw material iron-silicon block, iron-manganese block, pure iron block, iron-magnesium block, iron-aluminum block, iron-chromium block, iron-copper block, iron-nickel block, iron-molybdenum block, iron-vanadium block and iron-titanium block according to certain Mass fraction is weighed;

[0029] (2) Put the weighed pure iron block into the electric furnace for smelting, smelting until the content of carbon element in molten steel is less than 0.82%, the content of sulfur is less than 0.06% and the content of phosphorus is less than 0.04%, to obtain the primary molten steel, by adjusting The carbon content can control and change the strength of the tire. At the same time, the reduction of the sulfur and phosphorus content can prevent the internal space of the tire obtained in the later refining, the strength is small, and it will increase the friction between the tire and the surface of the...

Embodiment 3

[0035] The specific production process of rail car tires is as follows:

[0036] (1) The raw material iron-silicon block, iron-manganese block, pure iron block, iron-magnesium block, iron-aluminum block, iron-chromium block, iron-copper block, iron-nickel block, iron-molybdenum block, iron-vanadium block and iron-titanium block according to certain Mass fraction is weighed;

[0037] (2) Put the weighed pure iron block into the electric furnace for smelting, smelting until the content of carbon element in molten steel is less than 0.82%, the content of sulfur is less than 0.06% and the content of phosphorus is less than 0.04%, to obtain the primary molten steel, by adjusting The carbon content can control and change the strength of the tire. At the same time, the reduction of the sulfur and phosphorus content can prevent the internal space of the tire obtained in the later refining, the strength is small, and it will increase the friction between the tire and the surface of the...

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Abstract

The invention discloses a high-strength light wheel rim for a railcar. The high-strength light wheel rim comprises an outer wheel rim, a clamping seat is integrally and fixedly connected to the middleof the inner surface of the side wall of the outer wheel rim, and the clamping seat comprises a clamping table and a check ring, wherein the clamping table is coaxial with the outer wheel rim, the check ring is integrally and fixedly connected to the outer side of the bottom surface of the clamping table, and a plurality of threaded through holes are uniformly distributed in the end face of the clamping table; a pedal ring is integrally and fixedly connected to the bottom end face of the outer wheel rim, the surface of the pedal ring is an annular surface which is completely overlapped with the bottom surface of the outer wheel rim, the inner side edge of the annular surface is vertically and outwards bent to form an arc-shaped tread which extends downwards and outwards, and the outer side edge of the annular surface is vertically and outwards bent to form an outer arc surface with the bottom end overlapped with the outer edge of the arc-shaped tread. The tread of the wheel rim is aninclined face of 5 degrees, so that the wheelset weight is reduced, the wheel rim can pass a curve conveniently, and the tread wear can be more uniform. Due to the fact that the gravity center of a vehicle is lowered and the wheelset weight is reduced, the flexibility of rail wheels entering a rail is improved.

Description

technical field [0001] The invention belongs to the technical field, and relates to a wheel hoop for high-strength light-weight rail vehicles and a production process thereof. Background technique [0002] The track wheel train of a rail vehicle is the main moving device for the vehicle to move on the rails, so the design of the track wheels should meet the size, strength and shock absorption requirements of the locomotive running on the track. On the other hand, when the vehicle is running on the road, the track wheels must also be able to be retracted and fixed, so as not to affect the normal operation of the rubber wheels. Specifically, the design of the track wheel has the following two points: the size of each component of the track wheel system meets the requirements of track running and meets the strength requirements; the track wheel system must have an excellent shock absorption effect and be stable and reliable when running on the track. [0003] Due to the limite...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B17/00C22C33/06C22C38/02C22C38/04C22C38/06C22C38/18C22C38/16C22C38/08C22C38/12C22C38/20C22C38/24C22C38/22C22C38/40C22C38/42C22C38/44C22C38/46
CPCB60B17/00C22C33/06C22C38/002C22C38/02C22C38/04C22C38/06C22C38/08C22C38/12C22C38/16C22C38/18C22C38/20C22C38/22C22C38/24C22C38/40C22C38/42C22C38/44C22C38/46Y02T10/86
Inventor 李俊陈畅
Owner MAANSHAN TIANJUN MACHINERY MFG
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