CN215338014U

CN215338014U - Deep hole blasting charging means in pit in colliery

Info

Publication number: CN215338014U
Application number: CN202121140072.8U
Authority: CN
Inventors: 刘洪涛; 周光东; 杨志华; 霍天宏; 韩子俊; 韩洲
Original assignee: China University of Mining and Technology Beijing CUMTB
Current assignee: China University of Mining and Technology Beijing CUMTB
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-28
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a deep hole blasting charging device in a coal mine, and relates to the technical field of mine blasting. When the underground deep hole blasting of the coal mine is constructed, an anchor cable of 30m is originally adopted in the explosive charging process to push explosive cartridges with the length of about 50cm to the bottom of a hole one by one, the operation is very complicated, low in efficiency, time-consuming, labor-consuming and high in labor cost, so that the underground deep hole blasting explosive charging device of the coal mine is simple in structure and convenient to operate, the underground deep hole blasting explosive charging device comprises an explosive charging guide rope, an anti-slip folding buckle and an explosive protecting sleeve, the explosive charging guide rope is assembled into a whole, the anti-slip folding buckle is used for transporting and supporting the explosive cartridges, the explosive charging guide rope pulls the anti-slip folding buckle to move, the explosive protecting sleeve protects the transportation of the explosive cartridges, the tail part of the explosive protecting sleeve is provided with pipe threads and is connected with a drill rod of a deep hole drilling machine, the drill rod is pushed by the deep hole drilling machine, the explosive protecting sleeve is conveyed to the bottom of the blasting hole, the explosive cartridges can be safely and efficiently conveyed to the bottom of the blasting hole by pulling the explosive charging guide rope and pulling the drill rod, and the labor intensity of workers is greatly reduced, the working efficiency is improved.

Description

Deep hole blasting charging means in pit in colliery

Technical Field

The utility model belongs to the technical field of mine blasting, and particularly relates to a powder feeding device for feeding explosive to the bottom of a deep hole by taking a powder feeding guide rope, an anti-slip folding buckle and a powder protecting sleeve as main parts.

Background

In the deep hole blasting in the pit of colliery, mostly in order to put down the top release, according to the old top thickness of coal seam of adopting, the hole depth of general blast hole is about 25 ~ 30m, traditional drilling construction adopts the deep hole rig of diameter 75mm to construct, traditional powder charge mode is to adopt the anchor rope of nearly 30m to push into the hole bottom by a lesson with the explosive cartridge of length about 50cm, because 30 m's anchor rope is very heavy, workman's construction intensity of labour is huge, and powder charge total length is longer, send the medicine number of times more, cause work efficiency very low, sometimes because the deformation of drilling or the condition such as hole collapse, stifled hole appear locally, be difficult to push the explosive cartridge to the hole bottom when the workman loads medicine, cause the blasting effect not good. According to the utility model, according to the actual construction situation on site, aiming at reducing the labor intensity of workers and improving the working efficiency of underground deep hole blasting construction, the utility model provides a simple and quick deep hole blasting charging device, thereby ensuring the charging quality of deep hole blasting and improving the effect of underground deep hole blasting of a coal mine.

Disclosure of Invention

The utility model relates to a coal mine underground deep hole blasting charging device, which can realize quick, efficient and high-quality charging in the coal mine underground deep hole blasting process, reduce the labor intensity of workers, better ensure the charging quality of deep hole blasting and improve the blasting effect.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model mainly comprises a pair of charging guide ropes, an anti-sliding folding buckle and a medicine protection sleeve, wherein the charging guide ropes are high-strength thin steel wire ropes, the middle parts of the charging guide ropes are 10cm apart and coated with red color, and the charging guide ropes are used as middle boundary positions and have the length of 2.5 times greater than the depth of a blast hole; the anti-slip folding buckle is a one-way metal folding buckle with the width of 2cm, one end of the belt shaft is hinged to the left half part of the charging guide rope, one end of the belt buckle is used for being buckled on the small magnetic iron rod on the right half part of the charging guide rope, the anti-slip folding buckle and the small magnetic iron rod are installed at two ends of a section of 10cm, the anti-slip folding buckle is installed on one side of the anti-slip folding buckle every 60cm, the small magnetic iron rod is installed on one side of the small magnetic iron rod every 60cm, and the anti-slip folding buckle and the small magnetic iron rod are sequentially installed and arranged; the explosive-protecting sleeve is a circular steel cylinder with the outer diameter of 75mm, the inner diameter of 60mm and the length of 3m, symmetrical explosive-loading guide rope holes are formed between the inner wall and the outer wall of the steel cylinder, the holes are formed at the tail part of the steel cylinder so as to facilitate the guide rope to pass through, and pipe threads matched with a drill rod of a deep hole drilling machine are arranged at the tail end of the steel cylinder so as to facilitate the drill rod to be pushed to the bottom of a blasting hole in the using process; the small-sized winch is used for storing and arranging the charging guide rope.

The utility model relates to a coal mine underground deep hole blasting explosive charging device, wherein an explosive charging guide rope and an anti-slip folding buckle are integrated, the explosive charging guide rope is folded and penetrates into an explosive protection sleeve from the upper end of the explosive protection sleeve, the explosive protection sleeve is arranged in the explosive protection sleeve, a non-foldable surface of the internal anti-slip folding buckle is arranged above the explosive charging guide rope, a hasp is arranged on a small magnetic iron rod on one side of the explosive charging guide rope and used for conveying and supporting explosive, two ends of the explosive charging guide rope respectively penetrate through two explosive charging guide rope holes in the upper end of the explosive protection sleeve, penetrate out from the lower end of the explosive protection sleeve and are fixed on a small winch, the explosive charging guide rope is pulled by the small winch, and explosive is coiled to the bottom of the explosive hole.

The gain effect of the utility model is as follows: this kind of deep hole blasting charging means, lead the chain through the powder charge and pull preventing swift current folding knot, prevent swift current folding knot and holding in the palm the explosive cartridge, safely pay off the explosive cartridge to the blast hole bottom with great care, make the powder charge process safer, convenient, high-efficient, greatly reduced workman's intensity of labour, and the work efficiency is improved, make full use of drilling equipment, the powder charge quality has been guaranteed simultaneously, the blasting effect has been improved, the safety in the work progress has also been guaranteed simultaneously, it has great significance to guide safety in production for follow-up colliery production design.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings which are needed in the description of the embodiments or the prior art will be briefly introduced to provide a more complete and better understanding of the present invention and to easily understand the advantages thereof, but the drawings described herein are used for providing further explanation of the present invention and form a part of the present invention, and the exemplary embodiments and the description thereof are used for explaining the present invention and do not constitute a limitation of the present invention.

FIG. 1 is a schematic diagram of the front view of the shape of a deep hole blasting charging device under a coal mine;

FIG. 2 is a schematic top view of the shape of the coal mine underground deep hole blasting charging device of the utility model;

FIG. 3 is a schematic left-side view of the appearance of the coal mine underground deep hole blasting charging device of the utility model;

FIG. 4 is an assembly schematic diagram of a charging guide rope and an anti-slip folding buckle of the coal mine underground deep hole blasting charging device of the utility model;

FIG. 5 is a schematic diagram of the internal structure of the coal mine underground deep hole blasting charging device of the utility model;

FIG. 6 is a sectional view of the internal structure A-A of the coal mine underground deep hole blasting charging device;

FIG. 7 is a cross-sectional view B-B of the internal structure of the coal mine underground deep hole blasting charging device;

icon: 1-charging guide rope; 2-anti-sliding folding buckle; 3-medicine protecting sleeve; 4-magnetic small iron rod; 5, a small winch; 6-loading a rope guide hole;

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The utility model relates to a coal mine underground deep hole blasting charging device which is mainly applied to coal mine roof blasting. Which comprises the following steps:

s1 Assembly of charging guide rope and anti-slip folding buckle

The anti-slip folding buckle 2 is a one-way folding buckle with the width of 2cm, wherein two sides of one end of a movable shaft of the anti-slip folding buckle are hinged on the charging guide rope 1, the middle part of the charging guide rope is left 10cm and coated with red color so as to determine the central position of the charging guide rope, the anti-slip folding buckle and the small magnetic iron rod 4 are arranged at two ends of a section of 10cm, the anti-slip folding buckle is arranged at one side of the anti-slip folding buckle at intervals of 60cm, the small magnetic iron rods are arranged at one side of the small magnetic iron rod at intervals of 60cm and are sequentially arranged, so that the charging guide rope and the anti-slip folding buckle form an integrated structure.

S2 assembly of medicine charging guide rope and medicine protection sleeve

The middle red section of the medicine-charging guide rope 1 is folded in half, penetrates into the medicine-protecting sleeve from the upper end of the medicine-protecting sleeve 3, is arranged in the medicine-protecting sleeve, the inner anti-slip folding buckle 2 is arranged above the non-folding surface, the hasp is arranged on the small magnetic iron rod 4 on one side of the medicine-charging guide rope, and two ends of the medicine-charging guide rope respectively penetrate through two medicine-charging guide rope holes 6 in the upper end of the medicine-protecting sleeve, penetrate out from the lower end of the medicine-protecting sleeve and are fixed on a small winch 5.

S3, charging operation

Firstly, determining the explosive charging length, using a hook to extend into the hole at the lower end of the explosive charging device, hooking the red section of the explosive charging guide rope 1 and drawing the explosive charging length from the hole at the lower end, placing a section of explosive cartridge on the anti-slip folding buckle 2 which is led out and is closest to the lower port of the explosive protection sleeve, and the explosive charging guide rope 1 led out from the hole of the explosive charging guide rope is pulled to lead the explosive cartridge to enter the explosive protection sleeve 3 under the pushing of the anti-slip folding buckle 2, then the second section of explosive cartridge is continuously placed on the anti-slip folding buckle exposed out of the lower port of the explosive protection sleeve, the explosive charging guide rope led out from the hole of the explosive charging guide rope is pulled to push the second section of explosive into the explosive protection sleeve, the rest explosive cartridges are pushed into the explosive protecting sleeve by repeating the operation, when the last section of explosive is loaded, the electric detonator is inserted into the explosive cartridge, and the electric detonator wire is led out from the opening at the upper end of the explosive loading device.

Two ends of the charging guide rope 1 are fixed on two small winches 5, the two ends of the charging guide rope 1 exposed to excess length are stored through the two small winches 5, and the small winches 5 are fixed on the deep hole drilling machine.

Claims

1. The utility model provides a colliery is deep hole blasting charging means in pit which characterized in that, leads rope (1), prevents swift current folding buckle (2), protects medicine sleeve (3), little iron bar of magnetism (4), small-size winch (5) including the powder charge, wherein:

the charging guide rope (1) is a high-strength thin steel wire rope, a small distance is left in the middle of the charging guide rope (1) to serve as a middle mark section, and the whole length of the charging guide rope (1) is 2.5 times greater than the depth of a blast hole;

the anti-slip folding buckle (2) is a one-way metal folding buckle, the width of the anti-slip folding buckle can be only enough to support the bottom of an explosive cartridge, one end of the belt shaft is movably hinged to the left half part of the explosive charging guide rope, and one end of the belt shaft with a hasp is mounted on a small magnetic iron rod (4) on the right half part of the explosive charging guide rope;

the outer diameter and the length of the explosive protection sleeve (3) are consistent with those of a drill rod of a deep hole drilling machine, the inner diameter of the explosive protection sleeve is slightly larger than that of a round steel cylinder of an explosive cartridge, symmetrical explosive-charging guide rope holes are formed between the inner wall and the outer wall of the steel cylinder, the size of each hole is slightly larger than the width of an anti-slip folding buckle, each hole is formed in the tail of the steel cylinder so that a guide rope can conveniently pass through the hole, two ends of the steel cylinder are both provided with round openings, the middle part of each steel cylinder is straight, the tail end of each steel cylinder is provided with a pipe thread matched with the drill rod of the deep hole drilling machine so that the steel cylinder can be connected with the drill rod of the deep hole drilling machine in the using process, the drill rod is pushed by the deep hole drilling machine, and the explosive protection sleeve is sent to the bottom of a blasting hole;

the small-sized winch (5) is a common small winch and is used for storing and arranging the charging guide rope and can completely store the charging guide rope.

2. The coal mine underground deep hole blasting charging device according to claim 1, characterized in that: the explosive charging guide rope (1), prevent swift current folding buckle (2), little iron bar of magnetism (4) equipment is as an organic whole, wherein use explosive charging guide rope (1) middle part mark section as the boundary, begin to install the activity articulated and prevent swift current folding buckle (2) and little iron bar of magnetism (4) at the both ends of middle part mark section, prevent swift current folding buckle (2) one side every interval distance and be greater than explosive cartridge length 5cm apart from setting up one and prevent swift current folding buckle, be greater than the little iron bar of magnetism of explosive cartridge length 5cm apart from setting up installation every interval distance in one side of little iron bar of magnetism (4), install in proper order and arrange.