Repeating blasthole sealing gun and use method thereof

Abstract

The invention discloses a repeating blasthole blocking gun and a use method thereof. The repeating blasthole blocking gun is structurally composed of an air supply handle, a firing gun barrel and a stock bin. The air supply handle comprises an air storage chamber, an air valve switch assembly and an air delivery hole channel, a lower end air inlet of the air storage chamber is connected with a high-pressure air pipe, a left end opening of the air storage chamber is connected with the air delivery hole channel, and an air valve switch is arranged at the joint. The other end of the air deliveryhole channel is connected into an air cylinder assembly of the firing gun barrel, the air cylinder assembly comprises a front section for arranging a piston and a rear section for arranging a distributing valve, and the front section uses a piston rod to connect the piston to a bump disk. During use, a muzzle extends into a blasthole to be connected with the high-pressure air pipe, an air cylinderis driven to reciprocate continuously by compressed air, and at the same time, the bump disk impacts a material entering cylinder to enable gun mud to fall in and the gun mud enters the blasthole ata high speed, so that the purpose of blocking the blasthole with high compactness is achieved. According to the repeating blasthole blocking gun and the use method thereof, rapid filling of the blasthole is realized, the labor intensity of workers is reduced, the blocking compactness is high, and the application prospects are broad.

Description

technical field [0001] The invention relates to a blasting construction machine, in particular to a continuous blast hole sealing gun. Background technique [0002] In roadways, tunnels, chambers, vertical shafts and other underground projects, blast hole plugging is an important link in blasting construction, and the quality of the plugging determines the blasting efficiency. During the explosion process of explosives, the gun mud blocks the explosion gas from escaping, prolonging the action time of the explosion gas, and the gas wedge action strengthens the development of cracks, fully breaks the rock, and effectively utilizes the explosion energy. [0003] The commonly used blasting hole plugging method at present is to manually fill the processed blasting mud into the blasting hole, and then compact it by a blasting stick. With the continuous development of blasting technology, hundreds of blastholes may be drilled in a blasting face. It is still time-consuming and labo...

AI Technical Summary

Problems solved by technology

With the continuous development of blasting technology, hundreds of blastholes may be drilled in a blasting face. It is still time-consuming and labor-intensive to use manual plugging. Many workers do not fill up according to the specified length, causing flying stones to throw hazards to machinery and equipment, and even cause coal dust, In gas explosion accidents, if the force is not used properly during the compaction process, it is easy to cause damage to the detonating equipment, and there will be a phenomenon of refusal to blast, which will affect the blasting effect

Nowadays, the blasting machine commonly used in blasting operations only processes the blasting mud into a mud column with a diameter equivalent to the blast hole, and there is little research on blast hole filling.

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