Construction device for connecting plates between tunnel primary support steel arches

Abstract

The invention discloses a tunnel primary support steel arch frame connecting plate construction device which comprises two steel arch frames fixedly installed on a fixed bottom plate, a bottom supporting plate is placed on the fixed bottom plate, two clamping plates are installed on the bottom supporting plate through two screw-in mechanisms, a sliding plate is installed on the bottom supporting plate through a sliding mechanism, and the two clamping plates are arranged on the sliding plate through two screw-in mechanisms. A sliding plate is arranged on the bottom supporting plate, a marking mechanism is arranged between the sliding plate and the bottom supporting plate, a top plate is fixedly arranged on the sliding plate through a plurality of telescopic supporting rods, a rotating rod is rotationally arranged on the sliding plate through a fixing plate, a winding roller is fixedly arranged on the rotating rod, and a traction pull rope is fixedly connected between the winding roller and the top plate. The drilling device has the advantages that the drilling positions of the drilling rods on the two steel arches can be accurately and flexibly adjusted according to actual drilling requirements, holes with the same positions and sizes can be drilled in the two steel arches at the same time, the drilling positions are accurate, the drilling efficiency is high, and therefore a connecting plate can be rapidly installed conveniently.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a construction device for a connecting plate between primary support steel arch frames of a tunnel. Background technique [0002] Tunnel refers to the engineering building buried in the ground. Steel arches are usually set up in the tunnel for support. In order to increase the stability of the connection between the steel arches, multiple connecting plates are usually installed on the two steel arches. For connection and fixing, the installation of the connection plate usually needs to be completed by using construction equipment; [0003] After searching, the Chinese invention patent with the patent number CN209908529U discloses a construction device for the connecting plate between the initial support steel arch frames of the tunnel, which includes an I-beam and a connecting plate with four through holes on the surface. The ends of the I-beams, the I-beams are conn...

AI Technical Summary

Problems solved by technology

[0005] 1. When installing the connecting plate, it is usually necessary to drill the same holes as the connecting plate on the two steel arches, and use threaded bolts to pass through the holes to connect the connecting plate and the two steel arches together. Some devices cannot quickly complete the drilling work of the holes, manual drilling is required, and the holes at the same position cannot be accurately drilled on the two steel arches, and the drilling accuracy is low;

[0006] 2. The existing device cannot flexibly adjust the height and horizontal position of different drilling holes on the steel arch, and cannot quickly complete the positioning and adjustment of drilling positions. The drilling work is cumbersome and has certain limitations;

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