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Adjustable wedged spring leaf type buckle and its fastening method

A shrapnel, a new type of technology, applied in the direction of roads, tracks, buildings, etc., can solve the problems of inability to meet the on-site use requirements of railway turnouts, difficult installation, insufficient strength of shrapnel and pins, etc., to avoid the problem of shrapnel pin breakage, safe and reliable use, Easy and flexible installation and disassembly

Active Publication Date: 2009-12-30
CHINA RAILWAY BAOJI BRIDGE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in terms of structural design, in view of the insufficient strength of the shrapnel and pins used for the sliding bed plate of the speed-up turnout, there are problems such as breakage and installation difficulties, which cannot meet the field use requirements of railway turnouts, consider improving the sliding bed plate from the shrapnel, platform structure and positioning installation method. crimping on the inside of the base rail

Method used

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  • Adjustable wedged spring leaf type buckle and its fastening method
  • Adjustable wedged spring leaf type buckle and its fastening method
  • Adjustable wedged spring leaf type buckle and its fastening method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: with reference to attached Figure 1-7 . The wedge-shaped adjustment is a new type of shrapnel type fastener, and the point rail 4 is located on the platen 3. The processing and manufacturing of the point rail 4 is a prior art, so it will not be described here. For shrapnel 2, refer to the attached Figure 5 and 6 Made by existing processing technology and positioned at the platen cavity 10, both sides of the rear end of the shrapnel 2 are provided with bosses 15 and match with the groove 8 on the wall of the large U-shaped opening 6 in the platen. The rear end of the elastic sheet 2 is located on the wedge-shaped surface 14 of the wedge-shaped positioning block 1 , that is to say, the wedge-shaped positioning block 1 is located at the rear end of the platen cavity 10 and the wedge-shaped surface 14 of the wedge-shaped positioning block is used to support the rear end of the elastic sheet 2 . The platen cavity 10 adopts prior art processing and forming,...

Embodiment 2

[0021] Embodiment 2: The buckling method of the wedge-shaped adjustment of the new type of spring-type fastener, the rail bottom on one side of the basic rail 5 is fixed on the bottom plate 16, the point rail 4 is located on the table 3, the spring 2 is located in the inner cavity 10 of the table, and the spring 2 is The front end is located on the rail bottom on the other side of the basic rail 5, the rear end of the elastic piece 2 is located on the wedge-shaped surface 14 of the wedge-shaped positioning block and is lifted by the wedge-shaped surface, and the middle part of the elastic piece 2 is pressed against the supporting boss 11 of the inner cavity of the platen. Hold, under the action of external force, the shrapnel 2 is forced to be upturned at both ends and concave in the middle. The wedge-shaped positioning block at the middle boss and the rear end forces the shrapnel 2 on the bottom of the rail on the other side of the basic rail to generate buckling pressure. The ...

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Abstract

The present invention is adjustable wedged spring leaf type fastener and its fastening method, and belongs to the field of railway track switch manufacture technology. The fastener includes a tongue on the bed plate, a spring leaf inside bed plate cavity, and a wedged locating block in the back end of the bed plate cavity, with the back end of the spring leaf being located on the wedge surface of the wedged locating block. The present invention has the advantages of improved spring leaf stress condition and strength without fault of breaking; high safety and reliability, simple and flexible assembling and disassembling suitable for field operation.

Description

Technical field: [0001] The invention relates to a wedge-shaped adjusting shrapnel-type fastener and a buckling method, belonging to the field of manufacturing railway turnout switches. Background technique: [0002] Before the speed of railway vehicles is increased, the sliding bed plate of the switch part of the domestic turnout is welded by two upper and lower steel plates, and the inner side of the basic rail is mainly rigidly buckled by the sliding bed tongue ( Figure 8 ), resulting in poor elasticity of the point rail, resulting in uneven longitudinal and transverse rigidity of the track structure, causing strong impact and vibration between the wheel and rail when the train passes, thus aggravating the friction between the wheel and the point rail and between the point rail and the sliding bed The dynamic effect deteriorates the working conditions of the turnout, shortens the service life of some components of the turnout, and even endangers the driving safety in seve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01B7/22
Inventor 王全生费维周王阿利刘皓
Owner CHINA RAILWAY BAOJI BRIDGE GRP
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