Automatic adjusting device for thermal expansion and cold contraction of railway fastener

An automatic adjustment and fastener technology, applied in the field of rail transportation, can solve problems such as affecting the passage of trains, loose fixing of rails and sleepers, etc., and achieve the effect of improving safety and improving the ability to adapt to the environment.

Active Publication Date: 2020-06-05
芜湖市金友精密机械有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The railway is a road where the rails are fixed on the sleepers to facilitate the running of trains or high-speed rail. The rails and the sleepers are tightly fixed by fasteners. In spring and autumn, the temperature difference between day and night is large. When the temperature rises during the day, the rails and fasteners are affected. Thermal expansion, mutual extrusion, night tempe

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  • Automatic adjusting device for thermal expansion and cold contraction of railway fastener
  • Automatic adjusting device for thermal expansion and cold contraction of railway fastener
  • Automatic adjusting device for thermal expansion and cold contraction of railway fastener

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] see Figure 1-5 , an automatic adjustment device for thermal expansion and contraction of railway fasteners, comprising a sleeper 1, the sleeper 1 is made of concrete, two screw holes corresponding to the fixing bolts 5 are provided on the top of the sleeper 1, and two screw holes are placed on the top of the sleeper 1 The splint 2, the shape of the splint 2 is Z-shaped, fixed on the sleeper 1 by the fixing bolt 5, the splint 2 and the rail 9, the conne...

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Abstract

The invention relates to the technical field of rail transit, and discloses an automatic adjusting device for thermal expansion and cold contraction of the railway fastener. The device comprises a sleeper body, the sleeper body is built by concrete, two clamping plates are placed at the top of the sleeper body, the clamping plates are in a Z shape and are fixed to the sleeper body through fixing bolts, fixing holes are formed in the tops of the clamping plates, and teeth are arranged at the bottom of a base plate and openings of the fixing holes. The utility model discloses a railway fastenerthermal expansion and cold contraction automatic adjusting device. A connecting plate and a mounting block are mounted between a clamping plate and a rail; rail when heated to expand, the mounting block is pushed by the movable connecting plate to move obliquely upwards; when the installation blocks slide along the rolling wheels and the rail contracts, the connecting plates move obliquely downwards, so that the distance between the clamping plates and the installation blocks is increased during expansion, expansion space is provided for the rail, the distance between the clamping plates and the installation blocks is reduced during contraction, the rail is kept in a clamped state all the time, and the safety of the rail is improved.

Description

technical field [0001] The invention relates to the technical field of rail transit, in particular to an automatic adjustment device for thermal expansion and cold contraction of railway fasteners. Background technique [0002] my country is the most populous country in the world, and the population is still rising. Therefore, in order to ensure the normal circulation of the population, the railway transportation industry has developed rapidly. [0003] The railway is a road where the rails are fixed on the sleepers to facilitate the running of trains or high-speed rail. The rails and the sleepers are tightly fixed by fasteners. In spring and autumn, the temperature difference between day and night is large. When the temperature rises during the day, the rails and fasteners are affected. Thermal expansion, mutual extrusion, night temperature drop, rails and fasteners contracted by cold, so that the rails and fasteners are repeatedly subjected to thermal expansion and contrac...

Claims

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Application Information

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IPC IPC(8): E01B9/20
CPCE01B9/20
Inventor 岑雨霏
Owner 芜湖市金友精密机械有限责任公司
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