High-speed railway hoisting and laying method and special gantry crane running rubber cushion blocks

Abstract

The invention discloses a high-speed railway hoisting and laying method and special gantry crane running rubber cushion blocks, belonging to the technical field of laying of high-speed railways. The invention has the main technical characteristics that when a track cushion plate is laid, a plurality of rubber cushion bodies of which the cross-sectional shapes are matched with the cross-sectional shapes of water discharge grooves are firstly arranged in the water discharge grooves at two sides of the roadbed of a high-speed railway, and then, a gantry crane runs on the track cushion plate longitudinally hoisted on a bridge deck; and after the hoisting process is finished, the cushion bodies at the section are taken down one by one for reuse. The high-speed railway hoisting and laying method and the special gantry crane running rubber cushion blocks, which are provided by the invention, have the advantages of convenient installation and disassembly in the whole hoisting process, time saving, labor saving, good cleaning effect and great improvement of working efficiency. When the gantry crane runs on the track cushion plate longitudinally hoisted on a bridge deck, the contact surface between the roadbed and each wheel of the gantry crane is smooth, thus the wheels can not incline sideward. Moreover, the cushion bodies can not longitudinally move easily in the water discharge grooves, the loads are uniformly transferred, and the cushion bodies can be connected one by one.

Description

technical field [0001] The invention belongs to the technical field of high-speed railway laying, and in particular relates to a high-speed railway hoisting and laying method and a special-purpose door crane walking rubber pad. Background technique [0002] The Beijing-Shanghai high-speed railway adopts "slag-free" rail transit, and a drain tank is designed on both sides of the bridge deck and subgrade of the viaduct, and a waterproof layer is laid on the drain tank and the subgrade to prevent water leakage. The prefabricated track pads under the "slag-free" track are all prefabricated in the beam field and then hoisted. The hoisting methods are divided into steam crane and door crane. Because the construction cost of steam crane is high, it will consume a lot of energy such as gasoline, diesel, labor, etc., so a special door crane has been studied for hoisting. The special door crane has a dead weight of 36 tons, and it can reach 50 tons after hoisting. The gantry crane i...

AI Technical Summary

Problems solved by technology

The gantry crane is hoisted longitudinally on the rail backing plate on the bridge surface, and the weight of each of its 8 steel wheels can reach 6 tons. If the contact surface between the wheels and the roadbed is uneven, the wheels are prone to roll, making the gantry crane unable to walk. And there is a waterproof layer on the surface of the roadbed, such a large gravity will destroy the waterproof layer

Therefore, the earthwork or gravel was originally used to enter the drain tank to meet the needs of the door crane, but the later cleaning work was difficult, and the cleaning equipment was not available, which was time-consuming and laborious and affected the progress of the construction period, and the cleaning effect was difficult to guarantee.

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