Crab-claw type filling device for filling slag into mine blast holes

Abstract

The invention discloses a crab-claw type filling device for filling slag into mine blast holes. The crab-claw type filling device is characterized in that a scraping plate device is arranged at the front part of a driving vehicle; a blast-hole-filling auxiliary protecting device is arranged in the slag-filled blast holes; the scraping plate device consists of a support fixed at the front of the driving vehicle and a double-arm crab-claw type scraping plate hinged with the middle part of the support and connected with a hydraulic driving system; the double-arm crab-claw type scraping plate is formed by hinging two symmetrical crab-claw scraping plates; crushing jaws are arranged at the front parts of the crab-claw scraping plates; a forehead opening of each crushing jaw is provided with a group of meshing teeth III; the middle and the tail of each crab-claw scraping plate are respectively provided with a semicircular hopper surface I and a semicircular hopper II with different diameters; and the semicircular hopper surface I and the semicircular hopper surface II are respectively provided with a group of meshing teeth I and a group of meshing teeth II. The crab-claw type filling device disclosed by the invention has the advantages that higher efficiency and higher quality for the filling work of the blast holes are achieved, the safety, reliability and the blasting quality of the mine blasting are effectively improved and the labor intensity of workers is reduced.

Description

technical field [0001] The invention belongs to the technical field of blast hole filling for mine blasting, and in particular relates to a crab-claw type packing device used for filling slag in mine blast holes. Background technique [0002] Open-pit mining must carry out blasting work. The blasting process includes perforation operations. Generally, the depth of mine perforation is 15-20mm, and the diameter of the blast hole is 250-310mm; After the equipment is installed, it is necessary to fill the blast hole, and the filling height is generally 5-10m. At present, there are mainly two types of blasthole filling: manual filling and mechanical filling. Most mines still use manual filling operations. Since a blasting area often needs to fill dozens to hundreds of blastholes, manual work is labor-intensive and labor-inefficient. Mechanical packing includes: shovel packing machine, car packing and rake device packing machine to carry out blast hole packing operations. The di...

AI Technical Summary

Problems solved by technology

Second, the double-arm straight scraper is very easy to damage the detonator nonel tube or foot line in the blasthole during operation, resulting in blast rejection accidents

Third, because the double-arm scraper is in the shape of a straight plate and has two fulcrum shafts, it cannot be well adapted to the filling operation of the circular slag pile. The equipment needs to be moved many times to complete the slag filling. Work

Fourth, because the facade of the double-arm scraper is a straight face, the rock slag can only be moved into the blasthole by the thrust of the mechanical scraper, so the resistance during operation is relatively large, and the energy consumption during filling operation is high. still needs to be further improved

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