Improved electronic detonator exploder for strip mine

Abstract

The utility model relates to an improved electronic detonator exploder for a strip mine, which aims to solve the technical problems that the existing electronic detonator and exploder are easy to generate line snapping separation, and the misfire risk in a blasting area is increased, and adopts the technical scheme that the improved electronic detonator exploder for the strip mine comprises an exploder shell, explosives, an electronic detonator and a leg wire, the exploder shell is filled with explosives, a circular groove is reserved in the upper end of the exploder shell, a first through hole and a second through hole are formed in the middle of the explosives side by side, a blind hole is formed in the position, beside the first through hole and the second through hole, of the top face of the explosives, the electronic detonator is inserted into the blind hole, and one end of the leg wire is connected with the electronic detonator. And the other end of the leg wire penetrates through the second through hole downwards, then penetrates through the first through hole upwards and extends to the outer side of the exploder shell. According to the utility model, the electronic detonator shell can smoothly pass through the orifice of the exploder to be wound for three times, so that the phenomenon of snapping line separation of the exploder in water is effectively prevented, and the risk of unexploded firecrackers in a blasting area is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of open-pit mine blasting, and particularly relates to an improved electronic detonator initiator for open-pit mines. Background Art

[0002] At present, the main body of the open-pit mine blasting initiator adopts a structure with two through holes and one blind hole, and the main through hole has a large aperture, while the other through hole and the blind hole have small apertures. Figure 1 As shown, the electronic detonator is inserted into another small through hole or blind hole through the main through hole. Figure 2 As shown, winding bonding is achieved.

[0003] Due to geological conditions, rainfall and other factors, a high proportion of water-containing blastholes will appear in some open-pit mine blasting projects. Due to the low density of explosives, during the loading process of such water-containing blastholes, the existing detonators are affected by the buoyancy of water in the water, and often float up and do not sink to the bottom. This may cause the digital electronic detonator and the detonator to separate from the bullet line, resulting in the inability to successfully detonate the explosive column in the blasthole, increasing the risk of blind shots in the blasting area. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems and provide an improved electronic detonator initiator for open-pit mines.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] An improved electronic detonator initiator for open-pit mines comprises a detonator shell, explosives, an electronic detonator and a leg wire, wherein the explosives are filled in the detonator shell, and a circular groove is left at the upper end of the detonator shell, a first through hole and a second through hole are opened in parallel in the middle of the explosive, a blind hole is opened on the top surface of the explosive next to the first through hole and the second through hole, the electronic detonator is inserted into the blind hole, one end of the leg wire is connected to the electronic detonator, and the other end of the leg wire passes downward through the second through hole, then upward through the first through hole and extends to the outside of the detonator shell.

[0007] Furthermore, the diameters of the first through hole and the second through hole are the same and larger than the diameter of the blind hole.

[0008] Furthermore, the diameter of the blind hole is equal to the outer diameter of the electronic detonator.

[0009] Furthermore, a wire groove is provided between the first through hole and the second through hole at the bottom of the explosive, and the wire groove passes through the wire groove.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The utility model can realize the three-fold winding of the electronic detonator shell through the initiator hole smoothly, effectively preventing the detonator from separating in water and reducing the risk of blind shots in the blasting area;

[0012] 2. The utility model can effectively increase the friction resistance of the electronic detonator by setting the wire groove structure, and effectively improve the combination of the digital electronic detonator and the initiator;

[0013] 3. The utility model has a simple structure, is easy to operate and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the detonator of the utility model;

[0015] Figure 2 This is a schematic diagram of the bottom structure of the detonator of the utility model;

[0016] 1. Detonator shell; 2. Explosive; 3. Circular groove; 4. First through hole; 5. Second through hole; 6. Blind hole; 7. Electronic detonator; 8. Wire trough; 9. Foot wire. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] like Figure 1-2 As shown, an improved electronic detonator initiator for open-pit mines includes a detonator shell 1, explosive 2, an electronic detonator 7 and a leg wire 9. The explosive 2 is filled in the detonator shell 1 and a circular groove 3 is left at the upper end of the detonator shell 1. A first through hole 4 and a second through hole 5 are opened in parallel in the middle of the explosive 2. A blind hole 6 is opened on the top surface of the explosive 2 next to the first through hole 4 and the second through hole 5. A wire groove 8 is opened between the first through hole 4 and the second through hole 5 on the bottom surface of the explosive 2. The diameters of the first through hole 4 and the second through hole 5 are the same and larger than the diameter of the blind hole 6. The electronic detonator 7 is inserted into the blind hole 6 and the diameter of the blind hole 6 is equal to the outer diameter of the electronic detonator 7. One end of the leg wire 9 is connected to the electronic detonator 7. The other end of the leg wire 9 passes downward through the second through hole 5, then passes upward through the first through hole 4 and extends to the outside of the detonator shell 1.

[0019] When the present invention is used, the electronic detonator 7 is inserted into the blind hole 6, one end of the leg line 9 is connected to the electronic detonator 7, and the other end of the leg line 9 passes downward through the second through hole 5, passes horizontally through the wire groove 8, and finally passes upward through the first through hole 4 and extends to the outside of the detonator shell 1. After the leg line 9 is inserted, the detonator and the electronic detonator 7 can be firmly combined to avoid separation of the electronic detonator 7 and the detonator. After being inserted into place, it is placed in the open-pit mine blasthole and can be used to detonate the charge column in the hole.

Claims

1. An improved electronic detonator initiator for open-pit mines, comprising an initiator shell (1), explosives (2), an electronic detonator (7) and a foot line (9), wherein the explosives (2) are filled in the initiator shell (1), and a circular groove (3) is left at the upper end of the initiator shell (1), characterized in that: A first through hole (4) and a second through hole (5) are provided in parallel in the middle of the explosive (2), a blind hole (6) is provided on the top surface of the explosive (2) next to the first through hole (4) and the second through hole (5), the electronic detonator (7) is inserted into the blind hole (6), one end of the leg wire (9) is connected to the electronic detonator (7), and the other end of the leg wire (9) passes downward through the second through hole (5), then passes upward through the first through hole (4) and extends to the outside of the detonator housing (1).

2. The improved electronic detonator initiator for open-pit mines according to claim 1, characterized in that: The diameters of the first through hole (4) and the second through hole (5) are the same and larger than the diameter of the blind hole (6).

3. The improved electronic detonator initiator for open-pit mines according to claim 1, characterized in that: The diameter of the blind hole (6) is equal to the outer diameter of the electronic detonator (7).

4. The improved electronic detonator initiator for open-pit mines according to claim 1, characterized in that: A wire groove (8) is provided between the first through hole (4) and the second through hole (5) at the bottom of the explosive (2), and the foot wire (9) passes through the wire groove (8).

Images