阅读说明：本技术 一种用于水孔爆破的辅助装药装置及装药方法 (Auxiliary charging device and charging method for water hole blasting ) 是由 张智宇 钱青云 黄永辉 李洪超 王建国 李祥龙 刘浩杉 李恒 章逸锋 梁棵 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种用于水孔爆破的辅助装药装置及装药方法,包括圆底盘,圆底盘的周向均匀设置若干叶片,叶片与圆底盘可拆卸连接,叶片的尖端设置卡扣,相对的两个卡扣之间通过骨架连接；圆底盘的下方设置螺旋长钉,螺旋长钉与圆底盘可拆卸连接,圆底盘上具有多个渗流孔。本发明能提高水孔爆破的装药效率,防止炸药包在水孔下放过程中下沉缓慢或者炸药包上浮。(The invention discloses an auxiliary charging device and a charging method for water hole blasting, which comprise a round chassis, wherein a plurality of blades are uniformly arranged in the circumferential direction of the round chassis, the blades are detachably connected with the round chassis, the tips of the blades are provided with buckles, and the two opposite buckles are connected through a framework; the spiral spike is arranged below the round base plate and detachably connected with the round base plate, and a plurality of seepage holes are formed in the round base plate. The invention can improve the charging efficiency of water hole blasting and prevent the explosive from sinking slowly or floating upwards in the process of putting the explosive in the water hole.)

1. The auxiliary charging device for water hole blasting is characterized by comprising a round chassis (2), wherein a plurality of blades (1) are uniformly arranged in the circumferential direction of the round chassis (2), the blades (1) are detachably connected with the round chassis (2), the tips of the blades (1) are provided with buckles (3), and the two opposite buckles (3) are connected through a framework (4);

the spiral spike (7) is arranged below the round chassis (2), the spiral spike (7) is detachably connected with the round chassis (2), and a plurality of seepage holes (10) are formed in the round chassis (2).

2. Auxiliary charge for water hole blasting according to claim 1, characterized in that the edge of the upper surface of the circular base plate (2) is provided with a groove (9), and each blade (1) is inserted into the groove (9) and connected with the groove (9) through a screw (8).

3. The auxiliary charging device for the water hole blasting according to the claim 1, characterized in that the circle center of the round bottom disc (2) is provided with a threaded hollow hole, the upper end of the screw spike (7) passes through the threaded hollow hole and is connected with the round bottom disc (2) through a nut (6), and a gasket (5) is arranged between the nut (6) and the round bottom disc (2).

4. The auxiliary charging device for water hole blasting according to claim 2, wherein the blade (1) is in a fan-shaped petal shape, the edge of the blade (1) is in a circular arc shape, and the thickness of the blade (1) is 0.4 cm; the thickness of the round chassis (2) is 0.4cm, and the section radius of the framework (4) is 0.2 cm.

5. The auxiliary charging device for water hole blasting according to claim 4, wherein the blade (1) is made of PVC.

6. The auxiliary charging device for water hole blasting according to claim 2, wherein the round bottom plate (2), the buckle (3), the framework (4) and the screw (8) are all made of alloy materials.

7. Auxiliary charge for water hole blasting according to claim 2, characterized in that the effusion holes (10) are located from the centre of the circle to the midpoint of the edge of the circular base plate (2), the effusion holes (10) being 6.

8. A charging method for a water hole blasting auxiliary charging device according to any one of claims 1-7, characterized by comprising the following steps:

s1: selecting blades (1) and frameworks (8) with corresponding sizes according to the hole diameters of the water holes;

s2: screwing the spiral long nail (7) into the explosive package (11) to tightly connect the explosive package (11) and the spiral long nail (7);

s3: lifting the framework (8) to contract the blade (1), putting the device for screwing the explosive bag (11) into the water hole and feeding the device into a specified depth to finish charging the explosive.

Technical Field

The invention relates to an auxiliary charging device and a charging method for water hole blasting, and belongs to the technical field of engineering blasting.

Background

Along with the continuous decline of the mining level of some open mines in China, hillside open-air is gradually converted into sunken open-air mining, and by the continuous accumulation of crack water and atmospheric precipitation in a stope, a large area of water accumulation phenomenon appears in a plurality of mining levels, and a large number of water-containing blast holes appear in a plurality of blasting sites. In practical engineering application, the method is limited by mixing water and soil in the hole, the density of the emulsion explosive is less than that of a muddy water mixed solution, the explosive is slowly sunk, even the explosive floats upwards and is gathered together, and the expected blasting effect cannot be achieved, so that the problems of high root bottom, punching, explosion rejection, poor blasting effect and the like are caused.

In view of the above, it is necessary to design an auxiliary charging device and a charging method for water hole blasting to solve the above technical problems.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provides an auxiliary explosive loading device and an auxiliary explosive loading method for water hole blasting.

In order to achieve the purpose, the invention adopts the technical scheme that:

according to one aspect of the invention, the invention provides an auxiliary charging device for water hole blasting, which comprises a circular base plate, wherein a plurality of blades are uniformly arranged on the circumference of the circular base plate, the blades are detachably connected with the circular base plate, the tips of the blades are provided with buckles, and the two opposite buckles are connected through a framework;

the round chassis is characterized in that spiral long nails are arranged below the round chassis and detachably connected with the round chassis, and a plurality of seepage holes are formed in the round chassis.

Due to the arrangement of the structure, the spiral part of the spiral long nail can be screwed into the explosive package, the spiral structure increases the contact area with the explosive package, and the explosive package can be firmly fixed on the round chassis, so that the explosive package and the device are prevented from being separated from each other in the lowering process. The blades and the round chassis can be freely detachably connected, and the spiral long nails and the round chassis can be freely detachably connected, so that the invention has small occupied space for transportation and storage, is convenient and flexible, and is convenient to store and transport; the seepage hole can effectively discharge accumulated water and slurry in the water cannon hole, and is convenient for the spiral long nail to sink after being screwed into the explosive package.

Preferably, the edge of the upper surface of the circular base plate is provided with a groove, and each blade is inserted into the groove and connected with the groove through a screw.

Preferably, the circle center of the round bottom plate is provided with a threaded hollow hole, the upper end of the spiral spike penetrates through the threaded hollow hole and is connected with the round bottom plate through a nut, and a washer is arranged between the nut and the round bottom plate.

Due to the arrangement of the structure, the spiral long nail is positioned in the center of the round chassis, so that the invention has good balance.

Preferably, the blade is in a fan-shaped petal shape, the edge of the blade is in an arc shape, and the thickness of the blade is 0.4 cm; the thickness of circle chassis is 0.4cm, the cross-section radius of skeleton is 0.2cm, blade and skeleton all have elasticity.

Due to the arrangement of the structure, the radian of the edge of the blade is large, the blade is large in contact surface with the wall of the water hole after being inserted into the water blast hole, the stress is dispersed, and the blade is not easy to break.

Preferably, the blade is made of PVC.

Because the setting of above-mentioned structure, PVC material blade has better tensile, bending resistance, resistance to compression and shock resistance, prevents to transfer the water cannon hole in-process because of the device, and the blade leads to the blade to damage with the friction of big gun hole wall. The blades may be made of various materials, and other materials having tensile, bending, compression and impact resistance may be used in the present invention.

Preferably, the round chassis, the buckle, the framework and the screw are all made of alloy materials.

Due to the arrangement of the structure, the weight of the explosive package can be effectively borne, and other materials with the same performance can also be used for the invention.

Preferably, the seepage holes are positioned from the center of a circle to the middle point of the edge of the circular chassis, and the number of the seepage holes is 6.

According to another aspect of the invention, the invention further provides a charging method for the auxiliary charging device for water hole blasting, which specifically comprises the following steps:

s1: selecting blades and frameworks with corresponding sizes according to the pore diameters of the water pores;

s2: screwing the spiral long nail into the explosive package to tightly connect the explosive package and the spiral long nail;

s3: and lifting the framework to contract the blades, placing the device for screwing the explosive bag into the water hole and feeding the device into a specified depth to finish charging.

By adopting the method, the working efficiency of the water hole charging operation can be improved, and the blasting effect is better.

In conclusion, the beneficial effects of the invention are as follows:

1. the invention is flexible and detachable, occupies small space, is convenient for production, transportation and storage, reduces the water hole blasting cost and improves and enhances the water hole blasting effect.

2. The spiral long screw can be effectively fixed with the explosive package, and the device is prevented from being separated from the explosive package in the process of lowering the explosive package.

3. The invention can meet the water blast holes with different aperture sizes, and can adapt to the bending degree of the blades and the framework according to the diameter of the blast hole by utilizing the elastic characteristics of the blades and the framework.

4. After the spiral long nail is screwed into the explosive package, the radius of the device is contracted by lifting the framework, so that the situation that broken rocks around the blast hole fall into the blast hole due to the fact that the radius of the device is larger than the radius of the blast hole when the explosive package is put in can be prevented.

5. In the lowering process of the device, the seepage holes in the round bottom disc can effectively drain accumulated water and slurry in the holes, so that the whole device can smoothly sink in the lowering process.

6. The invention can improve the water hole charging structure, after the explosive charge is fed into a specified depth, the blade and the framework extend to abut against the hole wall, and the explosive charge is fixed, thereby avoiding the condition of low blasting operation efficiency caused by slow sinking of the emulsion explosive charge in the water hole or upward floating of the explosive charge.

Drawings

FIG. 1 is a schematic structural view of a schematic of the present invention;

FIG. 2 is a front view of a schematic of the present invention;

FIG. 3 is a top view of a schematic of the present invention;

FIG. 4 is a left side view of the schematic of the present invention;

FIG. 5 is a schematic view of a spiral spike structure according to the present invention.

In the figure: 1-a blade; 2-round base plate; 3-buckling; 4-a framework; 5-a gasket; 6-a nut; 7-a spiral spike; 8-a screw; 9-a groove; 10-a seepage hole; 11-explosive package.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The auxiliary charge for water hole blasting according to the present invention will be described in detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, the auxiliary charging device for water hole blasting according to the invention comprises a round bottom plate 2.

Specifically, a plurality of blades 1 are uniformly arranged in the circumferential direction of the round-bottom disc 2, the blades 1 are detachably connected with the round-bottom disc 2, the tips of the blades 1 are provided with buckles 3, and the two opposite buckles 3 are connected through a framework 4; the spiral spike 7 is arranged below the round bottom plate 2, the spiral spike 7 is detachably connected with the round bottom plate 2, and a plurality of seepage holes 10 are formed in the round bottom plate 2.

According to the auxiliary charging device for water hole blasting provided by the embodiment of the invention, the blades 1 and the framework 4 have elasticity, so that the auxiliary charging device can be used for self-adapting the bending degree of the blades and the framework according to the diameter of the blast hole and meeting the requirements of different water hole diameters; can also be used for preventing the crushed rock around the blast hole from falling into the blast hole due to the fact that the radius of the device is larger than that of the blast hole when the explosive package 11 is put in; the spiral long nail 7 is used for screwing the explosive package 11 on the round bottom disc 2, so that the falling-off between the spiral long nail and the explosive package 11 is avoided when the explosive package 11 is put into a water hole from the bottom after the spiral long nail is loaded with the explosive package 11; the seepage hole 10 is used for discharging accumulated water and slurry in the water cannon hole, so that the water cannon provided by the invention can be well sunk at the preset position of the water cannon hole after being filled with an explosive package.

According to some embodiments of the present invention, as shown in fig. 3, the upper surface edge of the circular base plate 2 has a groove 9, and each vane 1 is inserted into the groove 9 and connected with the groove 9 by a screw 8.

According to some embodiments of the invention, as shown in fig. 3, the circle center of the round bottom plate 2 is provided with a threaded hollow hole, the upper end of the screw spike 7 passes through the threaded hollow hole and is connected with the round bottom plate 2 through a nut 6, and a washer 5 is arranged between the nut 6 and the round bottom plate 2.

According to some embodiments of the present invention, the blade 1 is in a fan-shaped petal shape, the edge of the blade 1 is in a circular arc shape, and the thickness of the blade 1 is 0.4 cm; the thickness of the round bottom plate 2 is 0.4cm, and the section radius of the framework 4 is 0.2 cm.

According to some embodiments of the present invention, the blade 1 is made of PVC, and has a wide range of material sources and a low production cost.

According to some embodiments of the invention, the round bottom disc 2, the buckle 3, the framework 4 and the screw 8 are made of alloy materials, so that the material source is wide, and the production cost is low.

According to some embodiments of the present invention, the effusion holes 10 are located from the center of the circle to the midpoint of the edge of the circular base plate 2, and 6 effusion holes 10 are located.

Example 2

The charging method for the water hole blasting auxiliary charging device in the embodiment specifically comprises the following steps:

(1) s1: according to water hole aperture, select corresponding size's blade 1 and skeleton 8, guarantee that device and water hole wall closely laminate, blade 1 and skeleton 8 can be according to blast hole diameter self-adaptation bending degree.

S2: screwing the screw spike 7 into the explosive charge 11 to tightly connect the explosive charge 11 and the screw spike 7. Before explosive charges 11 are filled, the blade 1 is inserted into a groove 9 on the edge of the round chassis 2, a screw 8 is screwed, a spiral long nail 7 is inserted into a threaded hole of the round chassis 2, a gasket 5 is placed, a nut 6 is screwed, and finally the framework 4 is inserted into a blade buckle 3 to complete device assembly; then the spiral spike 7 is screwed into the explosive package 11, and the spiral spike 7 can effectively fix the explosive package 11 and the device, so that the device and the explosive package 11 are separated in the middle of the sinking process.

S3: pulling the framework 8 to shrink the blade 1, putting the device with the tightly-screwed explosive bag 11 into the water hole and feeding the device to a specified depth, and finishing charging. When the explosive bag 11 is put down, the framework 4 is lifted to enable the device to contract, the explosive bag 11 and the device can be easily put into the water holes, and rock fragments around the water holes can be prevented from falling into the water holes due to the fact that the radius of the device is larger than that of the water holes; transfer the in-process, blade 1 and skeleton 4 atress shrink, explosive package 11 can transfer smoothly, when transferring the in-process and meetting downthehole ponding and mud, accessible seepage hole 10 discharges, when putting water hole preset position under the explosive package, blade 1 and skeleton 4 have consequently the nature of elastic energy and expand, reach fixed effect with the contact of water hole wall.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.