Automatic hole charging device for mining blasting

CN224608310UActive Publication Date: 2026-08-07高茂林
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
高茂林
Filing Date
2025-09-10
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0003]传统手工采矿爆破用炮孔装药装置存在诸多固有缺陷:其操作完全依赖人工经验,不仅效率低下且劳动强度极大,工人需长时间匍匐于狭窄潮湿的巷道内进行高危作业,极易因疲劳引发装药量偏差或定位失误,更关键的是,这种粗放式作业模式无法实现精准控制,常伴随飞石伤人、冲击波破坏设备等连锁反应,且事故追溯困难重重,凸显出工艺落后与安全环保之间的尖锐矛盾

Benefits of technology

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting up the blasting sleeve assembly, it provides conditions for the use of the charging assembly and for the precise loading and unloading of explosives. By setting up the charging assembly, the device can quickly and stably load explosives into the designated position, making the device simpler and more stable to use. By setting up the rotating assembly, the device is easier and more convenient to operate.

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Abstract

The utility model discloses a kind of blast hole automatic charging devices for mining blasting, comprising: blasting casing assembly and charging assembly, the inside of the blasting casing assembly is provided with charging assembly, the blasting casing assembly includes charging casing, the front side fixedly connected with charging port on the upper end of the charging casing, the bottom sealing plate is fixedly connected in the bottom of the charging casing, the bottom of the charging casing is provided with bottom fixed ring, the bottom fixed ring is connected with four groups of rubber pad by four groups of connecting blocks. The utility model has the beneficial effects as follows: by being provided with blasting casing assembly, while providing conditions for the use of charging assembly, provide conditions for the accurate loading and unloading of blasting agent, by being provided with charging assembly, let device can quickly and stably into specified position with blasting agent, let device use more simply and stably, by being provided with rotating component, let device operation more simply and conveniently.
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Description

Technical Field

[0001] This utility model relates to the field of mining engineering technology, specifically to an automatic charging device for blasting holes in mining. Background Technology

[0002] Mining engineering, as a long-standing and dynamic applied science, is deeply rooted in the development of human civilization. From ancient primitive manual digging to modern digital and intelligent high-tech mining, this field has experienced dual drives of technological innovation and theoretical advancement, especially after the Industrial Revolution, when breakthroughs in technologies such as the steam engine and railways enabled its rapid development. Today, it not only undertakes the core task of mineral resource exploration and development but also deeply integrates safety management, environmental protection, and sustainable development concepts. While promoting economic growth through efficient resource utilization, it emphasizes reducing ecological damage and improving the environmental friendliness of the entire life cycle of mines. With the acceleration of globalization and the increasing prominence of resource scarcity, this discipline is transforming towards deep-well operations, green mine construction, digital management, and international cooperation, continuously providing crucial support for balancing resource demand and global sustainability.

[0003] Traditional manual mining blasting blasting devices have many inherent defects: their operation relies entirely on manual experience, which is not only inefficient but also extremely labor-intensive. Workers have to crawl in narrow and damp tunnels for long periods of time to perform high-risk operations, and fatigue can easily lead to deviations in the amount of explosives or positioning errors. More importantly, this extensive operation mode cannot achieve precise control and is often accompanied by chain reactions such as flying rocks injuring people and shock waves damaging equipment. Furthermore, accident tracing is extremely difficult, highlighting the sharp contradiction between outdated technology and safety and environmental protection.

[0004] Therefore, there is an urgent need for an automatic charging device for blast holes in mining blasting that offers more precise charging location and simplifies the charging process. Utility Model Content

[0005] The purpose of this invention is to provide an automatic charging device for blast holes in mining blasting, thereby solving the problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic charging device for blasting holes in mining, comprising: a blasting sleeve assembly and a charging assembly, wherein the charging assembly is disposed inside the blasting sleeve assembly, the blasting sleeve assembly includes a charging sleeve, a charging port is fixedly connected to the front side of the upper end of the charging sleeve, a bottom sealing plate is fixedly connected to the bottom of the charging sleeve, a bottom fixing ring is disposed at the bottom of the charging sleeve, and the bottom fixing ring is connected to four sets of rubber pads through four sets of connecting blocks; The loading assembly includes a rotating component, a threaded lifting rod connected to the bottom of the rotating component, a lifting block threaded to the upper end of the threaded lifting rod, and a bottom fixing sleeve fitted to the bottom of the threaded lifting rod.

[0007] Preferably, the charging sleeve is divided into two parts. The upper part of the charging sleeve has a larger diameter pipe. The inner wall of the charging sleeve is provided with a sliding groove for the charging assembly. The upper end of the charging sleeve is provided with a channel for the charging port, providing a basis for the use of the charging assembly and the charging of explosives.

[0008] Preferably, the bottom sealing plate has a connecting hole that matches the drug loading assembly, the bottom fixing ring is located between two different pipes of the drug loading sleeve, the bottom fixing ring has a groove that matches the rubber pad, and the four sets of the rubber pads form a circle, providing conditions for precise control of the drug at a designated position.

[0009] Preferably, the upper end of the threaded lifting rod is provided with threads, and the lower end of the threaded lifting rod is a straight rod, which provides a basis for the realization of the function of the loading assembly.

[0010] Preferably, the lifting block is provided with sliding plates on both sides, and a threaded groove is provided in the center of the lifting block to cooperate with the threaded lifting rod. The threaded lifting rod is provided with a socket groove to cooperate with the bottom fixing sleeve, so as to provide a basis for the lifting block to press the medicine in.

[0011] Preferably, the rotating component includes an upper fixed circular block, the front end of which is hinged to a hinged fixing plate, and the upper side of the front end of the hinged fixing plate is fitted with a rotating handle through a connecting sleeve block. By providing the rotating component, the operation of the device becomes simpler and more convenient.

[0012] Preferably, the upper fixed circular block has a groove at its upper end that cooperates with the hinged fixed plate, the upper fixed circular block has a groove hole on its rear side that cooperates with the rotating sleeve, and the rotating sleeve has a groove that cooperates with the connecting sleeve block, thus providing a basis for the realization of the function of the rotating component.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting up the blasting sleeve assembly, it provides conditions for the use of the charging assembly and for the precise loading and unloading of explosives. By setting up the charging assembly, the device can quickly and stably load explosives into the designated position, making the device simpler and more stable to use. By setting up the rotating assembly, the device is easier and more convenient to operate. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the left inclined surface of an automatic charging device for blasting holes in mining according to this utility model; Figure 2This is a schematic diagram of the left inclined surface of an automatic charging device for blasting holes in mining according to the present invention. Figure 3 This is a schematic diagram of the blasting sleeve assembly in an automatic charging device for blasting holes in mining according to this utility model; Figure 4 This is a schematic diagram of the charging component in an automatic charging device for blasting holes in mining according to this utility model; Figure 5 This is a schematic diagram of the rotating component in an automatic charging device for blasting holes in mining, according to this utility model.

[0015] In the diagram: 1. Blasting sleeve assembly; 11. Charging sleeve; 12. Charging port; 13. Bottom sealing plate; 14. Bottom fixing ring; 15. Rubber pad; 2. Charging assembly; 21. Rotating assembly; 211. Upper fixing round block; 212. Hinge fixing plate; 213. Connecting sleeve block; 214. Rotating sleeve handle; 22. Threaded lifting rod; 23. Lifting block; 24. Bottom fixing sleeve head. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1 and Figure 2 An automatic charging device for blasting holes in mining includes: a blasting sleeve assembly 1 and a charging assembly 2. The charging assembly 2 is disposed inside the blasting sleeve assembly 1. The blasting sleeve assembly 1 includes a charging sleeve 11. A charging port 12 is fixedly connected to the front side of the upper end of the charging sleeve 11. A bottom sealing plate 13 is fixedly connected to the bottom of the charging sleeve 11. A bottom fixing ring 14 is provided at the bottom of the charging sleeve 11. The bottom fixing ring 14 is connected to four sets of rubber pads 15 through four sets of connecting blocks. The loading assembly 2 includes a rotating assembly 21, with a threaded lifting rod 22 connected to the bottom of the rotating assembly 21. A lifting block 23 is threadedly connected to the upper end of the threaded lifting rod 22, and a bottom fixing sleeve 24 is sleeved on the bottom of the threaded lifting rod 22.

[0018] Implementation 1: Please refer to Figures 1 to 4To ensure more precise placement of the explosive charge, the bottom sealing plate 13 has a connecting hole for the charging assembly 2. The bottom fixing ring 14 is located between two different pipes of the charging sleeve 11. The bottom fixing ring 14 has a groove for the rubber pad 15. Four sets of rubber pads 15 form a circle, providing conditions for precise control of the explosive charge at the designated position. Sliding plates are provided on both sides of the lifting block 23. The center of the lifting block 23 has a threaded groove for the threaded lifting rod 22. The threaded lifting rod 22 has a socket groove for the bottom fixing sleeve 24, providing a basis for the lifting block 23 to press the explosive charge in.

[0019] Implementation 2: Please refer to Figures 1 to 5 To simplify the operation of the device, the charging sleeve 11 is divided into two parts. The upper part of the charging sleeve 11 has a larger diameter, and the inner wall of the charging sleeve 11 has an insertion groove that matches the charging assembly 2. The upper end of the charging sleeve 11 has a channel that matches the charging port 12, providing a basis for the use of the charging assembly 2 and the charging of explosives. The upper end of the threaded lifting rod 22 is threaded, and the lower end of the threaded lifting rod 22 is a straight rod, providing a basis for the function of the charging assembly 2. The rotating assembly 21 includes an upper fixed circular block 211, and the upper... The front end of the fixed circular block 211 is hinged to a hinged fixing plate 212. The upper side of the front end of the hinged fixing plate 212 is fitted with a rotating handle 214 through a connecting sleeve block 213. The rotating component 21 makes the operation of the device simpler and more convenient. The upper end of the fixed circular block 211 has a groove that matches the hinged fixing plate 212. The upper rear side of the fixed circular block 211 has a groove hole that matches the rotating handle 214. The rotating handle 214 has a groove that matches the connecting sleeve block 213, which provides the basis for the function of the rotating component 21.

[0020] Working principle: When the device is needed, first insert the charging assembly 2 into the charging sleeve 11 and use the bottom fixing sleeve 24 to fix the central position. Then insert the entire device into the pre-drilled borehole, load the measured amount of explosive through the charging port 12, open the hinge fixing plate 212, rotate the rotating sleeve 214 to drive the rotating assembly 21 to rotate and lower the lifting block 23, pressing the explosive into the bottom of the charging sleeve 11. Then remove the charging assembly 2, and the rubber pad 15 will automatically close to fix the explosive at the bottom, and the charging of the next borehole can be carried out.

[0021] The standard parts used in this embodiment can be purchased directly from the market, while the non-standard structural parts described in the specification and drawings can be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by its equivalents.

Claims

1. An automatic charging device for blasting holes in mining operations, characterized in that, include: The blasting sleeve assembly (1) and the charging assembly (2) are provided inside the blasting sleeve assembly (1). The blasting sleeve assembly (1) includes a charging sleeve (11). A charging port (12) is fixedly connected to the front side of the upper end of the charging sleeve (11). A bottom sealing plate (13) is fixedly connected to the bottom of the charging sleeve (11). A bottom fixing ring (14) is provided at the bottom of the charging sleeve (11). The bottom fixing ring (14) is connected to four sets of rubber pads (15) through four sets of connecting blocks. The loading assembly (2) includes a rotating assembly (21), the bottom of which is connected to a threaded lifting rod (22), the upper end of which is threaded to a lifting block (23), and the bottom of which is sleeved with a bottom fixing sleeve (24).

2. The automatic charging device for blasting holes in mining operations according to claim 1, characterized in that: The charging sleeve (11) is divided into two parts. The upper pipe of the charging sleeve (11) has a larger diameter. The inner wall of the charging sleeve (11) is provided with a sliding groove that matches the charging assembly (2). The upper end of the charging sleeve (11) is provided with a channel that matches the charging port (12).

3. The automatic charging device for blasting holes in mining operations according to claim 1, characterized in that: The bottom sealing plate (13) has a connection hole that matches the loading assembly (2). The bottom fixing ring (14) is located between two different pipes of the loading sleeve (11). The bottom fixing ring (14) has a groove that matches the rubber pad (15). The four sets of rubber pads (15) form a circle.

4. The automatic charging device for blasting holes in mining as described in claim 1, characterized in that: The upper end of the threaded lifting rod (22) is threaded, and the lower end of the threaded lifting rod (22) is a straight rod.

5. The automatic charging device for blast holes in mining blasting according to claim 1, characterized in that: The lifting block (23) has sliding plates on both sides, and the lifting block (23) has a threaded groove in the center that matches the threaded lifting rod (22). The threaded lifting rod (22) has a socket groove that matches the bottom fixing sleeve (24).

6. The automatic charging device for blasting holes in mining operations according to claim 1, characterized in that: The rotating assembly (21) includes an upper fixed circular block (211), the front end of which is hinged to a hinged fixing plate (212), and the upper side of the front end of the hinged fixing plate (212) is fitted with a rotating sleeve (214) through a connecting sleeve block (213).

7. The automatic charging device for blasting holes in mining operations according to claim 6, characterized in that: The upper fixed round block (211) has a groove at its upper end that matches the hinged fixing plate (212), and the upper fixed round block (211) has a groove hole at its rear side that matches the rotating sleeve handle (214). The rotating sleeve handle (214) has a groove that matches the connecting sleeve block (213).