Mining pneumatic-conveying universal joint piston type concrete spraying machine

Abstract

The invention provides a mining pneumatic-conveying universal joint piston type concrete spraying machine. The problems of large size and low efficiency of an existing spraying machine are solved. The mining pneumatic-conveying universal joint piston type concrete spraying machine comprises a machine frame, wherein a rotor cylinder barrel is arranged on the machine frame, a plurality of material storage channels are formed in the rotor cylinder barrel, piston modules penetrate through the material storage channels, an oblique table base is arranged under the rotor cylinder barrel, a rotating seat rotating along the oblique axis is arranged on the oblique table base, a straight gear is fixedly connected to the top face of the rotating seat, the piston modules are connected with the straight gear through a double-cross universal coupling, a spline shaft penetrates into the central position of the rotor cylinder barrel and is connected with the rotating seat through a single-cross universal coupling, and an air distribution disc is arranged above the rotor cylinder barrel and is communicated with a hopper and an air box. A power mechanism is arranged on the machine frame, the driving end of the power mechanism is connected with a bevel gear, and the bevel gear is in meshed connection with the straight gear. The mining pneumatic-conveying universal joint piston type concrete spraying machine is small in size, simple in structure, capable of saving energy and protecting environment, abrasion-resistant, low in operation cost and high in efficiency.

Description

technical field [0001] The invention belongs to the technical field of mining equipment, and relates to a concrete spraying machine, in particular to a mine air-supplied universal joint rotor piston type concrete spraying machine. Background technique [0002] The concrete sprayer is a machine that uses compressed air to continuously transport concrete along the pipeline and spray it onto the construction surface. Specifically, it can be divided into two types: dry jetting machine and wet jetting machine. The former is pneumatically conveying the dry mixture, which is mixed with pressure water at the nozzle and sprayed out; the latter is conveying the concrete mixture through the nozzle by pneumatic power or concrete pump. It is widely used in the lining construction of underground engineering, shafts, tunnels, culverts, etc. [0003] At present, in the construction of various mine roadways, railways and highway tunnels all over the country, due to the limited working space...

AI Technical Summary

Problems solved by technology

However, the problems of large size, complex structure, high price, large pulse, low efficiency, serious wear of seals and replacement of air crashes, large rebound, large dust, and short service life are common problems in the use of jet machines in the market.

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