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Smooth blasting loading device

A technology of smooth blasting and charging, which is applied in blasting, mining equipment, earth-moving drilling, etc., can solve problems such as hidden dangers of insecurity, limited energy utilization rate of smooth blasting explosives, etc., and achieve the realization of utilization, blasting quality and economic benefits. Simultaneous improvement, simple and simple engineering design

Active Publication Date: 2018-03-16
ANHUI JIANGNAN CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual smooth blasting construction, because of the use of detonating cord, bamboo chips and other materials, there are often many unsafe hidden dangers
At the same time, the energy utilization rate of smooth blasting explosives also has certain limitations.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] refer to Figure 1-2 , a smooth blasting charge device, which is coated on the smooth blasting explosive roll to ensure that the explosive roll is on the axis of the blast hole. The device includes two split rings 1 and two connecting rods 2. The outer rings Along the three convex points evenly distributed, the inner edge of the split ring 1 is symmetrically provided with fixing holes 4, and the two ends of each connecting rod 2 are respectively connected to the fixing holes 4 at the same position on the two split rings 1. A fixing hole 4 is located on the inner side of a protruding point 4, and two split rings 1 and two connecting rods 2 are manufactured and reassembled respectively.

[0022] The opening of the split ring 1 accounts for about 1 / 10 of the entire ring.

[0023] The outer edge of the split ring 1 has three raised bumps 3 uniformly distributed, and the extension of the bumps 3 is 2 mm.

[0024] The inner diameter of the fixing hole 4 is 2mm, the outer di...

Embodiment 2

[0028] refer to Figure 1-2 , a smooth blasting charge device, which is coated on the smooth blasting explosive roll to ensure that the explosive roll is on the axis of the blast hole. The device includes two split rings 1 and two connecting rods 2. The outer rings Along the three convex points evenly distributed, the inner edge of the split ring 1 is symmetrically provided with fixing holes 4, and the two ends of each connecting rod 2 are respectively connected to the fixing holes 4 at the same position on the two split rings 1. A fixing hole 4 is located on the inner side of a protruding point 4, and two split rings 1 and two connecting rods 2 are manufactured and reassembled respectively.

[0029] The opening of the split ring 1 accounts for about 1 / 6 of the entire ring.

[0030] The outer edge of the split ring 1 has three raised bumps 3 evenly distributed, and the extension of the bumps 3 is 6 mm.

[0031] The inner diameter of the fixing hole 4 is 6mm, the outer diamet...

Embodiment 3

[0035] refer to Figure 1-2 , a smooth blasting charge device, which is coated on the smooth blasting explosive roll to ensure that the explosive roll is on the axis of the blast hole. The device includes two split rings 1 and two connecting rods 2. The outer rings Along the three convex points evenly distributed, the inner edge of the split ring 1 is symmetrically provided with fixing holes 4, and the two ends of each connecting rod 2 are respectively connected to the fixing holes 4 at the same position on the two split rings 1. A fixing hole 4 is located inside a raised bump 4, and two split rings 1 and two connecting rods 2 are integrally cast.

[0036] The opening of the split ring 1 accounts for about 1 / 8 of the entire ring.

[0037] The outer edge of the split ring 1 has three raised bumps 3 evenly distributed, and the extension of the bumps 3 is 4mm.

[0038] The inner diameter of the fixing hole 4 is 4mm, the outer diameter of the connecting rod 2 matches the inner d...

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Abstract

The invention discloses a smooth blasting loading device. A smooth blasting explosive roll is sleeved with the smooth blasting loading device and it is guaranteed that the explosive roll is located onthe blasthole axis. The smooth blasting loading device comprises two opening rings and two connecting rods. Fixing holes are symmetrically formed in the inner rim of each opening ring, and three uniformly-distributed protruding points are arranged on the outer rim of each opening ring. The two ends of each connecting rod are correspondingly connected with the fixing holes in the same position ofthe two opening rings. By the adoption of the device, the explosive roll is uniformly distributed in the hole axis direction, the purpose of uniform loading is achieved, the two connecting rods symmetrically distributed on the explosive roll can form symmetrically-distributed semicircular grooves on the explosive roll, and the cumulative effect is generated. By the adoption of the device, no blasthole center positioning device is needed for positioning, the tedious operation that the explosive roll is positioned through explosive roll bamboo chips is not needed, and the operation is easy and fast.

Description

technical field [0001] The invention relates to the technical field of smooth blasting, in particular to a charge device for smooth blasting. Background technique [0002] In existing rock blasting, especially in tunnel excavation blasting, smooth blasting technology is often used to make the blasting surface clean and flat, less damage to the tunnel wall, and maintain the rock stability of the tunnel. In smooth blasting, in the past, bamboo chips and the like were generally used as the connecting material of the blasting charge, and even detonating cord was used as the blasting medium of the charge. In the actual smooth blasting construction, because of the use of detonating cord, bamboo chips and other materials, there are often many unsafe hidden dangers. At the same time, the energy utilization rate of smooth blasting explosives also has certain limitations. [0003] This patent application is aimed at the problem of the charging process of smooth blasting explosives, ...

Claims

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Application Information

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IPC IPC(8): F42D3/04F42D1/08E21D9/00
CPCE21D9/006F42D1/08F42D3/04
Inventor 王自军端家荣夏珍珍徐国财李庭龙江涌涛刘和庆严臣辉张秀娟
Owner ANHUI JIANGNAN CHEM IND CO LTD
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