CN2409227Y - Steel rail - Google Patents

Abstract

The utility model relates to a steel rail. The end openings of the utility model are a plurality of cutting planes which are mutually staggered. When the utility model is laid, the ports are connected in a stagger involution mode to make the complete disjunction of the steel rail at an expansion seam converted into partial disjunction, which eliminates collision and a jolt generated at the expansion seam and eliminates dangers and function consumption caused by the collision and the jolt.

Description

Rail

The utility model relates to a kind of transportation rail.

At present, known rail cross section is cast into " worker " font, and port is rolled is cut into a plane, all leaves the shrinkage joint of certain width when continuous laying each other, the harm that brings in order to the characteristic of expanding with heat and contract with cold that overcomes metal.But this has the shrinkage joint of certain width, and the wheel that moves on it is bumped with it and the ripple of running at this, brings certain harm to railway transportation.

The purpose of this utility model provides a kind of rail, and it can not only solve rail the expanding with heat and contract with cold of shrinkage joint place, and can eliminate collision and the run ripple of wheel in this and its generation.

The purpose of this utility model is achieved in that one of a present rail port cuts off face, make it have a plurality of planes of cutting off through rolling after cutting, and it is staggered mutually, like this after laying connection, rail will become the part dialysis in the complete dialysis at place, shrinkage joint, wheel will not produce at this and fall, and eliminate wheel produces collision and top ripple with rail at the place, shrinkage joint purpose thereby reach.

Owing to adopt such scheme, can when keeping the shrinkage joint, eliminate collision and top ripple in this generation, avoid the harm and the function loss that cause by collision and top ripple; Only adopt the port that changes rail to roll the butt formula, technology is simple, and less expensive.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is that plan view Fig. 2 of first embodiment is that side view Fig. 3 of Fig. 1 is that laying connection layout Fig. 4 of Fig. 1 is that 1-1 sectional drawing Fig. 5 of Fig. 2 is that 2-2 sectional drawing Fig. 6 of Fig. 2 is that plan view Fig. 7 of second embodiment is that side view Fig. 8 of Fig. 6 is that laying connection layout Fig. 9 of Fig. 6 is 1. screws, 2. grooves, 3. contiguous blocks, 4. shrinkage joint among the 3-3 sectional drawing figure of Fig. 7

In the embodiment shown in fig. 1, the rail in port one segment length is cast as cross sectional shape as shown in Figure 5, and this segment length should connect the required requirement of strength that reaches according to rail and decide.Roll in this section rail and cut operation, the rail port that rolls after cutting is made up of two lateral cross section and a longitudinal cross-section, the longitudinal section is positioned on the axis of rail and is vertical with two cross sections.On the longitudinal section, open screw (1) as shown in Figure 2, regulate two shrinkage joint (4) between two one steel rails during laying as shown in Figure 3; Screw should be bar shaped, in order to screw rod mobile space is arranged when rail expands with heat and contract with cold.

In another embodiment shown in Figure 6, open a groove (2) in the port part of rail, four cross sections of groove should be perpendicular or parallel mutually.Be embedded in a contiguous block (3) at groove (2) during laying, regulate three shrinkage joint between two one steel rails as shown in Figure 8 after, be connected and fixed with the rail spiral shell select method of attachment of adopting now.

Claims (3)

1, a kind of rail, casting horizontal line cross section and be " worker " font, port is one to cut off the plane, it is characterized in that: port is a plurality of planes of cutting off.

2, rail according to claim 1 is characterized in that: port part cross section part is cast into rectangle, and port is three and cuts off the plane.

3, rail according to claim 1 is characterized in that: port part has a groove and the iron block that can embed groove.

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