Ballastless track slab
A ballastless track and track slab technology, which is applied in the field of rail transit, can solve the problems that ballastless track slabs are difficult to ensure high accuracy and flatness, and achieve the effects of reducing construction difficulty, ensuring construction quality, and good consistency
Active Publication Date: 2016-04-06
四川升腾元创机电技术研究有限公司 +1
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Problems solved by technology
[0007] The purpose of the present invention is to overcome the existing track slab structure existing in the prior art and lead to its production process, the production of each track slab must carry out mold clamping and mold removal separately, so that each time the individually adjusted mold production The ballastless track slab produced is difficult to guarantee the above-mentioned deficiencies in the consistency requirements such as high precision and flatness, and provides a ballastless track slab that can be made by using a fixed mold that cannot be disassembled repeatedly, so that the production efficiency is extremely high
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[0057] Such as Figure 1-3 As shown, the ballastless track slab of the present invention includes an end surface 1, a side surface 2, an upper surface 3, a jacking area 4 and a chamfer 6 on the slab body;
[0058] It also includes several arrays of rail bearing grooves 7 distributed symmetrically on both sides of the upper surface 3 , several arrays of door-shaped steel bars 8 distributed on the lower surface 9 and sleeves 5 adapted to the jacking area 4 .
[0059] The angle θ between the end surface 1 and the upper surface 3 is greater than 0° and less than 90°, and the angle γ between the side surface 2 and the upper surface 3 is greater than 0° and less than 90°. Compared with the way that the end surface 1 and the side surface 2 of the traditional ballastless track slab are respectively perpendicular to the upper surface 3, due to the surface tension of the track slab, the track slab is closely attached to the mold, and it is difficult to lift the track slab even if a rele...
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The invention discloses a ballastless track slab. An included angle between each of an end face and a side face of a slab body of the ballastless track slab and a lower surface in the slab body is an acute angle, the projection of an upper surface which is downward in production on the lower surface is in a lower surface region, and the slab body of the track slab is provided with a jacking and demolding structure convenient for lifting the slab body from the bottom to top in a mold cavity so as to be demolded. The ballastless track slab disclosed by the invention has the characteristics that repeated mold assembly and mold removal are not needed in each manufacturing process of the track slab, and only an installed and adjusted mold is repeatedly used for producing the track slab, thereby improving the working efficiency and also ensuring coincidence indicator requirements, such as high accuracy and smoothness, of the track slab; moreover, the demolding method of the ballastless track slab reduces the requirement and workload of mold installing and adjusting personnel and saves the cost; and meanwhile, a ballastless track composed of the ballastless track slabs has the characteristics that the exchangeability is better in installing and splicing processes, the construction difficulty is obviously reduced, and the construction quality, construction progress and service life of the track are ensured.
Description
technical field [0001] The invention relates to the technical field of rail transit, in particular to a ballastless track slab. Background technique [0002] With the rise of high-speed railways, in order to ensure the high-speed operation of trains on the rails, ballastless track slabs have appeared to replace traditional railway sleeper systems. According to the structure of existing ballastless track slabs and the extremely high precision and Flatness requirements, the existing ballastless track slabs in the production process, the use of preset molds, prefabrication of the mold before the track slab molds, prefabricated and then demoulding method. which is, [0003] When using molds to make ballastless track slabs, it is necessary to close each mold to form the cavity shape of ballastless track slabs, and then adjust the molds precisely to meet the shape, size, surface parameters, internal reinforcement layout, etc. of ballastless track slabs. According to the design r...
Claims
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Login to View More IPC IPC(8): E01B1/00
CPCE01B1/002
Inventor 吴元文钱振地张松琦税卓平江成王继军张长春喻丕金王梦施成王舒毅张远庆马荣田林晓波刘中义刘罡税吕洋杨玉强
Owner 四川升腾元创机电技术研究有限公司