Quick and accurate positioning device and method for mounting a channel on trolley

Abstract

The invention discloses a quick and accurate positioning device and method for mounting a channel on a trolley. The quick and accurate positioning device comprises a self-positioning special-shaped fastener, wherein the self-positioning special-shaped fastener comprises a special-shaped fastener head and a screw rod; the special-shaped fastener head and the screw rod are of a split structure; the special-shaped fastener head is provided with a screw hole; and the screw rod is in threaded connection in the screw hole. According to the quick and accurate positioning device and method for mounting the channel on the trolley provided by the invention, the self-positioning special-shaped fastener can be fixed onto the pre-buried channel, and when the pre-buried channel is pushed on a trolley formwork, the screw rod can fall into a positioning hole of the trolley formwork, so that rapid alignment and positioning are achieved; and the pre-buried channel is not prone to sliding on the upper surface of the trolley formwork, and deviation between the pre-buried channel and a drawing design installation position is avoided, so that rapid and accurate positioning of the pre-buried channel and the trolley formwork is realized.

Description

technical field [0001] The invention belongs to the technical field of tunnel construction engineering, and in particular relates to a fast and precise positioning device and method for installing a channel on a trolley. Background technique [0002] The catenary is the main frame of the railway electrification project, and it is a special form of transmission line erected along the railway line to supply power to the electric locomotive, and the catenary channel as the foundation of the catenary plays a vital role in its structural safety. With the rapid development of electrified railways in my country, higher requirements are put forward for the pre-embedded construction quality of catenary channels in railway tunnels. The construction technology of catenary pre-embedded channels in railway tunnels adopts opening holes at corresponding positions of lining trolleys, The T-bolt fastening method fixes the welded channel in the corresponding position of the trolley, and after t...

AI Technical Summary

Problems solved by technology

[0004] For this reason, the technical problem to be solved by the present invention is to overcome the problem of incapable of precise positioning and quick installation in the prior art, because when the pre-buried channel is pushed on the formwork of the trolley, it is difficult to align the notch of the pre-buried channel with the platform. The positioning hole of the trolley formwork is deviated, and the embedded channel is easy to slide or slip off the trolley formwork

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