Elastic sleeper type ballastless bed

A sleeper and elastic technology, applied in the field of railway track structure, can solve the problems of reducing the comfort of train operation, inconvenient equipment and tools, and hidden dangers of driving safety, so as to achieve good vibration isolation effect and stability, reduce maintenance workload, and ensure Smooth and safe effect

Active Publication Date: 2008-12-31
QINGDAO CREATE ENVIRONMENT CONTROL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this construction method facilitates the construction and maintenance of railway tracks in special sections such as tunnels to a certain extent, it is necessary to remove the rail or lift a certain height to take out the elastic support block when repairing and replacing sleepers or elastic rubber pads. It is very inconvenient, especially a considerable part of the workplace is in the field, and it is extremely inconvenient to transport and carry related equipment and tools for raising the rail, which brings great difficulties to the construction of the maintenance and replacement of the elastic support block. After the replacement, re-align the position of the rail and adjust the rail Operations such as height will also consume a lot of man-hours
In addition, this kind of groove structure where sleepers ar

Method used

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  • Elastic sleeper type ballastless bed
  • Elastic sleeper type ballastless bed
  • Elastic sleeper type ballastless bed

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] Example one

[0030] Such as figure 1 , figure 2 , image 3 The shown elastic sleeper ballastless track bed of the present invention includes a track bed body 1, a sleeper 2 and a rail 4, wherein the sleeper 2 is a short sleeper, and the sleeper 2 is placed on the track bed body 1, and the rail 4 is fixed by fasteners 5 and bolts 6. Set on the sleeper 2. A rubber pad 11 is provided under the sleeper 2 as an elastic support element, and a height-adjusting pad 25 made of engineering plastic is also provided as a height-adjusting device. The height-adjusting pad 25 is placed above the rubber pad 11. The side of the sleeper 2 is also provided with a guide device, including a fixed stop 10 and a detachable movable stop 7 integrally arranged on the track bed body 1. The movable stop 7 is fixedly arranged on the track bed by a fastening bolt 8 and a connecting sleeve 20 On the main body, the sleeper 2 is confined in a rectangular groove formed by the fixed block 10 and the movabl...

Example Embodiment

[0033] Example two

[0034] Such as Figure 4 As shown, compared with the first embodiment, in order to prevent the rubber elastic guiding pad 3 being directly arranged between the fixed stop 10 and the sleeper 2, the rubber elastic guiding pad 3 is not easy to stick to the stop, which may happen after being separated. For flickering, a coupling plate 13 can be provided to vulcanize the rubber elastic guide pad 3 and the coupling plate 13 into one body, and then use the fastener 14 to fix it on the fixed stop. In the same way, it is also possible to provide a coupling plate on the movable block 7 (not shown in the figure, and generally use metal materials), or directly vulcanize the rubber elastic guide pad 3 and the movable block 7 into one body. In addition, since the rubber pad 11 as an elastic support element is prone to fatigue and aging, it can be vulcanized and used in parallel with the disc spring 12 to improve the service life of the under-sleeper elastic support element ...

Example Embodiment

[0036] Example three

[0037] Such as Figure 5 , Figure 6 The difference between the elastic sleeper-type ballastless track bed of the present invention and the first embodiment is that the fixed stop 10 is composed of the side wall of the groove provided on the track bed body, and the groove is opened in the outer direction of the track bed body 1. , The movable block 7 is fixedly arranged on the track bed body 1 on this side by the fixing bolt 8, and the outer space of the movable block can be used as a maintenance and replacement space. In order to facilitate the positioning and loading and unloading of the sleeper 2, the contour shape enclosed by the groove and the movable block 7 is set to a trapezoid, and the corresponding sleeper 2 is also set to a trapezoid. The advantage of using a trapezoidal sleeper is that when the sleeper is taken out, once the side of the sleeper is When the metal elastic piece is loosened, the friction on both sides disappears and it is easy to ta...

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PUM

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Abstract

The invention relates to a railroad track structure, which comprises a ballast bed body, sleepers and elastic supporting elements, rails are fixedly arranged on the sleepers by track fasteners, the sleepers are positioned on the ballast bed body, the elastic supporting elements and an adjustment height device are disposed under the sleepers, guiding devices are arranged inside or on side faces of the sleepers, and the guiding devices can correspondingly adjust or reserve the guiding stroke following the height change of the adjustment height device. The railroad track structure greatly facilitates the overhauling, maintenance repairs and replacements of the sleepers, and effectively reduces the construction cost, and can better ensure the stable and safe vehicle running while guaranteeing the original advantages of vibration reduction, noise reduction and anti-attrition of the traditional elastic supporting block type ballastless track, thereby being favorable for further extending the service life of equipment, reducing the workload of track maintenance, saving the maintenance cost, and reducing the cost of transportation, and the railroad track structure can be widely used for the modification of the original sleeper type ballastless track beds or the construction of new sleeper type ballastless track beds.

Description

technical field [0001] The invention belongs to a railway track bed, and in particular relates to a railway track structure, which can be specifically railways, subways, urban railways, elevated light rails, high-speed railways and the like. Background technique [0002] The traditional railway track adopts the construction method of laying sleepers on the roadbed, fixing rails on the sleepers, and covering the surface of the roadbed and around the sleepers with a certain thickness of road stones. During use, regular maintenance is required, such as replacing sleepers, adding road stones, etc. . Since the railway line often passes through the tunnel, if the railway track with the above structure is used in the tunnel, it is not only inconvenient to construct, but the more prominent problem is that it is extremely inconvenient to maintain. In order to deal with this situation, a kind of elastic support block (including reinforced concrete sleeper and elastic rubber cover pad...

Claims

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Application Information

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IPC IPC(8): E01B9/68
Inventor 尹柏杨李恒义
Owner QINGDAO CREATE ENVIRONMENT CONTROL TECH
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