Deep hole blasting charging structure

Abstract

The utility model discloses a deep hole blasting charging structure which comprises a hole channel and an explosive layer. The utility model has the beneficial effects that: the air bag is arranged, when the explosive layer is mounted, the detonator can be embedded into the explosive layer, a lead passes through the threading hole formed in the uninflated air bag, then the explosive layer is plugged into the hole channel, the hose is connected with the pagoda head, the uninflated air bag is plugged into the hole channel, and then the explosive layer is mounted in the hole channel. The air bag is inflated through the hose, after the air bag is inflated, on one hand, the inner wall of the hole channel is squeezed tightly, the explosive layer is prevented from falling off, the installation stability is improved, on the other hand, the wire can be squeezed tightly, the wire is prevented from loosening, and after the air bag is inflated, the inflation hose is pulled down forcibly to be separated from the pagoda head, and the next explosive layer can be installed. According to the device, the air bag is adopted as a filling layer between the explosion layers, the effect of stable installation can be achieved, the device is suitable for explosive installation of an upward hole channel, use convenience is improved, and the application range is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep hole blasting technical field, specifically, relate to deep hole blasting charge structure. BACKGROUND

[0002] When the step deep hole blasting, in order to improve the blasting quality and reduce the shock requirement, blast hole needs to be divided into several section charges, this is sectional charge, and the sectional charge is determined according to the resistance line corresponding to the center of each section charge, and then the charge length is calculated according to the charge amount, and the interval between the two section charges is the sectional interval.

[0003] In the prior art, when charging the deep hole, the filler layer and the explosive are alternately inserted into the deep hole, for the downward deep hole, the staff only needs to fill in turn, but in the process of mining, the upward deep hole is often encountered, at this time, the staff needs to insert the explosive and the filler upward, the explosive and the filler are not convenient to fix, and are easy to fall, therefore, the traditional deep hole blasting charge mode has poor use effect for the upward deep hole, and can be further improved. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a deep hole blasting charge structure, which has the advantages of improved installation stability, wide application range, convenient use and low cost, thereby solving the problems in the above background technology.

[0006] (II) technical scheme

[0007] In order to realize the above-mentioned advantages of improving the installation stability, wide application range, convenient use and low cost, the utility model adopts the following specific technical scheme: the deep hole blasting charge structure comprises a hole and an explosive layer, the explosive layer is inserted into the hole, and a gas bag is screened into the hole below the explosive layer, and the outer wall of the gas bag is tightly contacted with the inner wall of the hole, a threading hole is vertically formed on the surface of the gas bag, a gas inlet pipe is connected to the bottom surface of the gas bag, a spire head is connected to the bottom opening of the gas inlet pipe, the spire head is matched with a inflatable hose, the explosive layer and the gas bag are arranged alternately, a detonator is embedded in the explosive layer, and the input end of the detonator is connected with a wire, and the wire penetrates the threading hole.

[0008] Further, the explosive layer and the gas bag are arranged in multiple groups, and the number of gas bags is equal to the number of explosive layers.

[0009] Further, the maximum outer diameter of the gas bag is greater than the inner diameter of the hole.

[0010] Further, the threading hole has a diameter larger than the outer diameter of the wire, and the threading hole is arranged with multiple groups.

[0011] Further, the air inlet pipe is provided with a one-way valve, and the one-way valve is arranged in the direction of air flow into the air bag.

[0012] Further, the inflatable tube is used with an inflation pump, and the inner diameter of the inflatable tube is in interference fit with the outer diameter of the cone head.

[0013] Further, the distance between the threading holes is not less than 2cm.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the deep hole blasting charge structure has the following beneficial effects:

[0016] (1) The air bag is provided, and the air bag is provided with multiple threading holes, when the explosive layer is installed, the detonator can be firstly buried in the explosive layer, the wire is passed through the threading hole of the un-inflated air bag, then the explosive layer is firstly inserted into the hole, then the un-inflated air bag is inserted into the hole after the hose is connected with the cone head, then the air bag is inflated through the hose, the air bag is inflated, on the one hand, the inner wall of the hole is squeezed, the explosive layer is prevented from falling off, the stability of installation is improved, on the other hand, the wire can be squeezed to avoid loosening, after the air bag is inflated, the inflatable hose is pulled down, the cone head can be separated, and the next layer of explosive layer can be installed, the device uses the air bag as the filling layer between the explosive layers, can play a role in stable installation, is suitable for explosive installation of upward hole, and the convenience and application range of use are improved.

[0017] (2) The air bag is provided, and the air bag is provided with multiple groups, each air bag is provided with multiple threading holes, the threading hole greatly facilitates the threading of the wire, facilitates the installation of multiple explosive layers and detonators, and simultaneously, the air bag is low in cost and suitable for wide range of popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1 is a structural schematic view of the deep hole blasting charge structure according to the embodiments of the present application;

[0020] Figure 2is the A node enlarged view of the deep hole blasting charge structure according to the embodiment of the utility model;

[0021] Figure 3 is the structure schematic view of the air bag according to the embodiment of the utility model;

[0022] Figure 4 is the B node enlarged view of the deep hole blasting charge structure according to the embodiment of the utility model.

[0023] In the drawing,

[0024] 1, hole; 2, air bag; 3, explosive layer; 4, detonator; 5, threading hole; 6, air inlet pipe; 7, one-way valve; 8, tower head; 9, wire; 10, inflation hose. DETAILED DESCRIPTION

[0025] To further illustrate the embodiments, the utility model provides the drawing, these drawings are the part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to the proportion, and similar component symbols are usually used to indicate similar components.

[0026] According to the embodiment of the utility model, the deep hole blasting charge structure is provided.

[0027] The utility model is further illustrated by combining with the specific embodiment and the drawing, such as Figures 1-4As shown, according to the deep hole blasting charge structure of the embodiment of the utility model, including hole 1 and explosive layer 3, the inside of hole 1 is inserted with explosive layer 3, and the inside of hole 1 below explosive layer 3 is screened with air bag 2, and the outer wall of air bag 2 is tightly contacted with the inner wall of hole 1, is fixed through friction, air bag 2 adopts PVC material, vertical through hole 5 is set up on the surface of air bag 2, and the bottom surface of air bag 2 is connected with air inlet pipe 6, and the bottom opening of air inlet pipe 6 is connected with pagoda head 8, and pagoda head 8 is sleeved with inflatable hose 10, explosive layer 3 and air bag 2 are alternately arranged, and detonator 4 is embedded in explosive layer 3, and the input end of detonator 4 is connected with wire 9, wire 9 penetrates through hole 5, when explosive layer 3 is installed, first, detonator 4 can be embedded in explosive layer 3, wire 9 is passed through the through hole 5 of the un-inflated air bag 2, then explosive layer 3 is inserted into hole 1, then, after connecting hose with pagoda head 8, the un-inflated air bag 2 is inserted into hole 1, then, air bag 2 is inflated through hose, after air bag 2 is inflated, on the one hand, it is tightly pressed against the inner wall of hole 1, preventing explosive layer 3 from falling off and improving the stability of the installation, on the other hand, it can tightly press wire 9 to avoid wire 9 from loosening, after air bag 2 is inflated, the inflatable hose 10 is pulled down with force, which can be separated from the pagoda head 8, and the next layer of explosive layer 3 can be installed, the device uses air bag 2 as a filling layer between the explosive layers, which can stabilize the installation, is suitable for explosive installation in the upward hole 1, and improves the convenience and application range of use.

[0028] In one embodiment, explosive layer 3 and air bag 2 are arranged in multiple groups, and the number of air bags 2 is equal to the number of explosive layers 3, which is a common distribution structure in the art.

[0029] In one embodiment, the maximum outer diameter of air bag 2 is greater than the inner diameter of hole 1, which facilitates expansion and tight pressing against the inner wall of hole 1.

[0030] In one embodiment, the diameter of through hole 5 is greater than the outer diameter of wire 9, and multiple groups of through holes 5 are arranged, which greatly facilitates the installation of wire 9, and facilitates the installation of multiple groups of explosive layers 3 and detonators 4, at the same time, air bag 2 is low in cost and suitable for wide range of use.

[0031] In one embodiment, air inlet pipe 6 is provided with a one-way valve 7 on the surface, and the installation direction of one-way valve 7 is the direction of air flow into air bag 2, which avoids air leakage and facilitates inflation.

[0032] In one embodiment, inflatable hose 10 is used in conjunction with an air pump, and the inner diameter of inflatable hose 10 is in interference fit with the outer diameter of pagoda head 8, pagoda head 8 is a common quick connector, which facilitates inflation and easy removal of inflatable hose 10.

[0033] In one embodiment, the distance between through holes 5 is not less than 2cm, which avoids the mutual contact between wires 9.

[0034] Working principle: The air bag 2 is provided with a plurality of threading holes 5, when installing the explosive layer 3, the detonator 4 can be firstly buried in the explosive layer 3, the wire 9 is threaded through the threading hole 5 of the un-inflated air bag 2, then the explosive layer 3 is firstly inserted into the hole 1, then the un-inflated air bag 2 is inserted into the hole 1 after connecting the hose to the cone head 8, then the air bag 2 is inflated through the hose, after the air bag 2 is inflated, on the one hand, the inner wall of the hole 1 is squeezed tightly, preventing the explosive layer 3 from falling off, improving the stability of installation, on the other hand, the wire 9 can be squeezed tightly to avoid loosening, after the air bag 2 is inflated, the inflation hose 10 is pulled down with force, and the cone head 8 can be separated, and the next layer of explosive layer 3 can be installed, the device adopts the air bag 2 as the filling layer between the explosive layers, which can play a role in stable installation, is suitable for explosive installation in the upward hole 1, improves the convenience and application range of use, meanwhile, the air bag 2 is arranged with a plurality of groups, and each air bag 2 is provided with a plurality of threading holes 5, the threading hole 5 greatly facilitates the threading of the wire 9, and facilitates the installation of a plurality of explosive layers 3 and detonators 4, meanwhile, the air bag 2 is low in cost and suitable for wide range of popularization and use.

[0035] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connecting" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication between two elements or the interaction relationship between two elements, unless otherwise expressly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application according to the specific circumstances.

[0036] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A deep hole blasting charge structure comprising a borehole (1) and an explosive layer (3), characterized in that, The hole (1) is filled with explosive layer (3), and the explosive layer (3) is screened into the hole (1) below the air bag (2), and the air bag (2) outer wall and hole (1) inner wall are tightly closed, the air bag (2) surface is vertically provided with a through hole (5), and the air bag (2) bottom surface is connected with the air inlet pipe (6), and the air inlet pipe (6) bottom opening is connected with the spire head (8), the spire head (8) is matched with the inflatable hose (10), the explosive layer (3) and air bag (2) are arranged alternately, and the explosive layer (3) is embedded in the detonator (4), and the detonator (4) input end is connected with the wire (9), the wire (9) penetrates the through hole (5).

2. A deep hole blasting charge structure according to claim 1, characterised in that, The explosive layer (3) and air bag (2) are arranged with multiple groups, and the number of air bags (2) is equal to the number of explosive layers (3).

3. The deep hole blasting charge configuration of claim 1, wherein, The maximum outer diameter of the air bag (2) is greater than the inner diameter of the hole (1).

4. The deep hole blasting charge configuration of claim 1, wherein, The through hole (5) aperture is greater than the wire (9) outer diameter, and the through hole (5) is arranged with multiple groups.

5. The deep hole blasting charge configuration of claim 1, wherein, The air inlet pipe (6) surface is provided with a check valve (7), and the check valve (7) installation direction is the direction of air flow into the air bag (2).

6. The deep hole blasting charge configuration of claim 1, wherein, The inflatable hose (10) is matched with the inflatable pump, and the inflatable hose (10) inner diameter and spire head (8) outer diameter are interference fit.

7. The deep hole blasting charge configuration of claim 1, wherein, The distance between the through hole (5) is not less than 2cm.

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