Shallow hole shrinkage mining method for accurate mining of slope ramp outside mine mountain range

Abstract

The invention discloses a shallow hole shrinkage mining method for accurate mining of a slope ramp outside an ore mountain range, which comprises a stope arranged along the trend of an ore body, the stope has predetermined height, span and mining width, the height is 50m, the span is adjustable in a range of 50-70m, and the mining width is 2m; the top column is arranged above the stope, is at least 4m high and is used for supporting a stope structure; the constructed panel accurate mining slope ramp allows various trackless self-propelled equipment to smoothly enter a stope face; the mechanical operation equipment combination at least comprises a small crawler-type drill jumbo, a crawler-type excavator and a crawler-type prying trolley, the drill jumbo is provided with a sight distance remote control device to achieve remote perforation operation, the excavator is used for stope leveling, and the prying trolley is used for treating the top plate pine stone. Equipment such as the small crawler-type drill jumbo, the crawler-type excavator and the crawler-type prying jumbo is adopted, whole-process mechanization of mining operation is achieved, and the mining efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the field of mineral mining technology and equipment, in particular to a shallow hole ore-retaining mining method for mining ramps outside a mine mountain. Background Art

[0002] In the field of mineral mining, especially for underground mining, the selection and optimization of mining methods are of vital importance to improving mining efficiency, ensuring operation safety and reducing mining costs. Traditional mining methods often face multiple challenges such as poor mine structure stability, low mining efficiency, harsh working environment and insufficient mechanization.

[0003] In traditional mining methods, the design of the mine is often relatively simple, lacking scientific planning and meticulous management, resulting in unreasonable parameters such as the mine height, span and mining width, which are difficult to meet the needs of efficient and safe mining. At the same time, the supporting structure at the top of the mine is often not perfect, which is prone to safety accidents such as roof collapse, seriously threatening the lives of workers.

[0004] In addition, traditional mining methods usually rely on manual operation and have a low degree of mechanization. Not only is the efficiency low, but the working environment is also harsh, which has a serious impact on the physical health of workers. Especially in key links such as drilling, leveling, and prying, manual operation poses great safety hazards and it is difficult to ensure the quality and efficiency of operations. Summary of the invention

[0005] The purpose of the present invention is to solve the above technical problems, thereby providing a shallow hole ore-retaining mining method for mining ramps outside a mine mountain range; In order to solve the above technical problems, the present invention provides the following technical solutions: The present invention provides a shallow hole ore-retaining mining method for mining in an inclined ramp outside a mine mountain range. It includes a stope arranged along the strike of the ore body, the stope having a predetermined height, span and mining width, wherein the height is 50m, the span is adjustable within the range of 50-70m, and the mining width is 2m; A top column disposed above the stope and having a height of at least 4 m to support the stope structure; The construction area has a sloped road, allowing all kinds of trackless self-propelled equipment to enter the mining face smoothly; And, a combination of mechanized operating equipment including at least a small crawler drilling rig, a crawler excavator and a crawler scraping rig, wherein the drilling rig is equipped with a line-of-sight remote control device to realize remote drilling operations, the excavator is used for leveling the mining site, and the scraping rig is used for processing loose rocks on the roof.

[0006] Optionally, it also includes side columns arranged on both sides of the mining area, and the height of the side columns is not lower than the height of the top column, so as to further enhance the stability of the mining area structure, prevent the side wall of the ore body from collapsing, and ensure the safety of operations.

[0007] Optionally, the design slope of the panel area mining ramp meets the driving requirements of trackless self-propelled equipment, and is equipped with anti-skid measures and a lighting system to ensure that the equipment can safely and efficiently enter and exit the mining face on the ramp, thereby improving the continuity and efficiency of mining operations.

[0008] Optionally, the small crawler drilling rig is equipped with a line-of-sight remote control device with automatic positioning and obstacle avoidance functions, which can accurately control the drilling position and depth while ensuring the safety of the operator and reducing the risk of direct exposure of humans to dangerous environments.

[0009] Optionally, the mechanized operation equipment combination also includes one or more crawler transport vehicles for transporting the mined ore from the mining face to a designated ore storage area, thereby realizing full mechanization of the mining operation, reducing labor costs, and improving mining efficiency.

[0010] Optionally, a ventilation and dust removal system is also included, which can ensure air circulation in the mining area, effectively reduce dust concentration, provide a healthy and safe working environment for operators, and reduce safety hazards caused by dust accumulation; It also includes regular geological exploration and stability assessment of the mining site to promptly detect and address potential geological problems, such as rock cracks and weak interlayers, to ensure that mining operations are carried out under stable geological conditions and reduce the risk of geological disasters.

[0011] Optionally, the crawler excavator in the mechanized operating equipment combination is also equipped with an intelligent leveling system, which can automatically adjust the operating parameters of the excavator according to the preset mine flatness requirements, achieve precise leveling of the mine, and create good conditions for subsequent mining operations and ore transportation.

[0012] In summary, the present invention has the following beneficial effects: This application adopts equipment such as small crawler drilling rigs, crawler excavators and crawler prying trolleys to realize full mechanization of mining operations and greatly improve mining efficiency. These equipment have the characteristics of high efficiency, flexibility and strong adaptability. They can quickly complete key operations such as drilling, leveling and prying. By reasonably designing the height, span and width of the mining area, and setting top and side columns, the structural stability of the mining area is enhanced, which provides favorable conditions for efficient mining. At the same time, the layout and parameter settings of the mining area also facilitate the entry and exit and operation of trackless self-propelled equipment, further improving mining efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the ramp along the way of the present invention.

[0014] Figure 2 It is a schematic diagram of mining recovery in a mining field according to the present invention. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the new embodiments of the system. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] Example: The present invention provides a shallow hole ore-retaining mining method for mining in an inclined ramp outside a mine mountain range. It includes a stope arranged along the strike of the ore body, the stope having a predetermined height, span and mining width, wherein the height is 50m, the span is adjustable within the range of 50-70m, and the mining width is 2m; A top column disposed above the stope and having a height of at least 4 m to support the stope structure; The construction area has a sloped road, allowing all kinds of trackless self-propelled equipment to enter the mining face smoothly; And, a combination of mechanized operating equipment including at least a small crawler drilling rig, a crawler excavator and a crawler scraping rig, wherein the drilling rig is equipped with a line-of-sight remote control device to realize remote drilling operations, the excavator is used for leveling the mining site, and the scraping rig is used for processing loose rocks on the roof.

[0017] The predetermined height, span and mining width of this application ensure the stability and efficiency of the mining site, which is beneficial to the mining and transportation of ore. The setting of the top column effectively enhances the structural stability of the mining site, prevents roof collapse, and ensures operation safety. The design of the inclined ramp in the panel area enables trackless self-propelled equipment to smoothly enter the mining face, improving the flexibility and efficiency of mining operations. The application of a combination of mechanized operating equipment greatly reduces manpower requirements, improves mining efficiency and operation safety, and the line-of-sight remote control device of the drilling rig realizes remote drilling operations, further ensuring the safety of operators.

[0018] It also includes side columns arranged on both sides of the mining area, and the height of the side columns is not lower than the height of the top column, so as to further enhance the stability of the mining area structure, prevent the side wall of the ore body from collapsing, and ensure the safety of operations.

[0019] The setting of side pillars effectively enhances the stability of the mining site structure, prevents the collapse of the side walls of the ore body, and further ensures the safety of mining operations.

[0020] The design slope of the panel area mining ramp meets the driving requirements of trackless self-propelled equipment, and is equipped with anti-skid measures and lighting systems to ensure that the equipment can safely and efficiently enter and exit the mining face on the ramp, thereby improving the continuity and efficiency of mining operations.

[0021] Reasonable slope design and anti-slip measures ensure the safe and efficient entry and exit of trackless self-propelled equipment on the ramp, improving the continuity and efficiency of mining operations. The setting of the lighting system improves the lighting conditions of the ramp and reduces the risks of workers walking and operating on the ramp.

[0022] The small crawler drilling rig is equipped with a line-of-sight remote control device with automatic positioning and obstacle avoidance functions, which can accurately control the drilling position and depth, while ensuring the safety of the operator and reducing the risk of direct exposure of humans to dangerous environments.

[0023] The automatic positioning and obstacle avoidance functions make the control of drilling position and depth more precise, improving the quality and efficiency of mining operations. The application of line-of-sight remote control devices reduces the risk of direct human exposure to dangerous environments and ensures the safety of operators.

[0024] The mechanized operation equipment combination also includes one or more crawler transport vehicles, which are used to transport the mined ore from the mining face to the designated ore stacking area, thereby realizing full mechanization of the mining operation, reducing labor costs, and improving mining efficiency.

[0025] The application of crawler transport vehicles has realized the full mechanization of mining operations and greatly improved mining efficiency. Mechanized transportation methods have reduced manpower requirements and reduced labor costs. Compared with manual transportation, crawler transport vehicles have higher transportation efficiency and stability, ensuring the timely and safe transportation of ore.

[0026] It also includes a ventilation and dust removal system, which can ensure air circulation in the mining area, effectively reduce dust concentration, provide a healthy and safe working environment for operators, and reduce safety hazards caused by dust accumulation; It also includes regular geological exploration and stability assessment of the mining site to promptly detect and address potential geological problems, such as rock cracks and weak interlayers, to ensure that mining operations are carried out under stable geological conditions and reduce the risk of geological disasters.

[0027] The application of ventilation and dust removal systems ensures air circulation in the mine, effectively reduces dust concentration, and provides a healthy and safe working environment for operators. The reduction in dust concentration reduces safety hazards caused by dust accumulation, such as fire and explosion.

[0028] Regular geological exploration and stability assessments can promptly detect and address potential geological problems, such as rock cracks and weak interlayers, to ensure that mining operations are carried out under stable geological conditions. Timely handling of geological problems effectively reduces the risk of geological disasters and ensures the safety of mining operations.

[0029] The crawler excavator in the mechanized operation equipment combination is also equipped with an intelligent leveling system, which can automatically adjust the operating parameters of the excavator according to the preset mine flatness requirements, achieve precise leveling of the mine, and create good conditions for subsequent mining operations and ore transportation.

[0030] The intelligent leveling system can automatically adjust the excavator's operating parameters according to the preset mine flatness requirements to achieve precise leveling of the mine. Accurate mine leveling creates good conditions for subsequent mining operations and ore transportation, and improves the overall efficiency and safety of mining operations.

[0031] This application enhances the structural stability of the mining site by reasonably designing the height, span and mining width of the mining site, and setting top pillars and side pillars, preventing the collapse of the roof and the side walls of the ore body, and ensuring the safety of operations. It adopts mechanized operating equipment such as small crawler drilling rigs, crawler excavators and crawler skidding trolleys to achieve remote drilling, automatic leveling and efficient transportation, greatly improving mining efficiency and operational safety. Through the application of ventilation and dust removal systems, air circulation in the mining site is ensured, dust concentration is reduced, and a healthy and safe working environment is provided for operators. Geological exploration and stability assessment of the mining site are carried out regularly to promptly discover and deal with potential geological problems, ensuring that mining operations are carried out under stable geological conditions.

[0032] The application process can be divided into the following steps: Site preparation: The mining area is arranged according to the direction of the ore body and the predetermined parameters with a height of 50m, an adjustable span of 50~70m and a mining width of 2m. A top pillar with a height of at least 4m is set above the mining area to enhance the structural stability. Side pillars with a height not lower than that of the top pillar are set on both sides of the mining area to prevent the side walls of the ore body from collapsing.

[0033] Ramp construction: An inclined ramp is dug in the construction area along the direction of the ore body to ensure that the slope meets the driving requirements of trackless self-propelled equipment. Anti-skid measures and lighting systems are installed on the ramp to ensure safe and efficient entry and exit of equipment.

[0034] Mechanized operation: A small crawler drilling rig is used for remote drilling operations. The drilling rig is equipped with a line-of-sight remote control device with automatic positioning and obstacle avoidance functions to ensure drilling accuracy and operator safety. A crawler excavator is used for site leveling operations. The intelligent leveling system equipped on the excavator can automatically adjust the operating parameters according to preset requirements to achieve precise leveling. A crawler roughing trolley is used to handle loose rocks on the roof to ensure operational safety. A crawler transport vehicle is used to transport the mined ore from the mining face to the designated stacking area.

[0035] Ventilation and dust removal: Start the ventilation and dust removal system to ensure air circulation in the mining area and reduce dust concentration.

[0036] Geological Monitoring and Assessment: Regularly conduct geological surveys on the mining site, collect geological data, evaluate the stability of the mining site based on the geological data, promptly identify and deal with potential geological problems, adjust the mining plan based on the evaluation results, and ensure that mining operations are carried out under stable geological conditions.

[0037] This application adopts equipment such as small crawler drilling rigs, crawler excavators and crawler prying trolleys to realize full mechanization of mining operations and greatly improve mining efficiency. These equipment have the characteristics of high efficiency, flexibility and strong adaptability. They can quickly complete key operations such as drilling, leveling and prying. By reasonably designing the height, span and width of the mining area, and setting top and side columns, the structural stability of the mining area is enhanced, which provides favorable conditions for efficient mining. At the same time, the layout and parameter settings of the mining area also facilitate the entry and exit and operation of trackless self-propelled equipment, further improving mining efficiency.

[0038] The setting of top and side pillars effectively enhances the structural stability of the mining site and prevents the occurrence of safety accidents such as roof collapse and ore side wall collapse. The drilling rig is equipped with a line-of-sight remote control device and the excavator's intelligent leveling system, which realizes remote operation and automated operation, reduces the risk of direct exposure of humans to dangerous environments, and ensures the safety of operators.

[0039] The application of ventilation and dust removal systems ensures air circulation in the mining area, reduces dust concentration, improves the working environment, and reduces safety hazards caused by dust accumulation.

[0040] The application of mechanized operations has greatly reduced the demand for manpower and reduced labor costs. At the same time, the high efficiency of mechanized operations has also shortened the mining cycle and further reduced mining costs. Precise stope design and efficient mining operations have made ore mining more complete and accurate, improving resource utilization and reducing waste.

[0041] The application of ventilation and dust removal systems effectively reduces the dust concentration in the mining area and reduces the pollution of dust to the environment. The application of mechanized operation equipment can significantly reduce noise and vibration compared to traditional manual operation methods, and has less impact on the surrounding environment.

[0042] Parameters such as the height, span and mining width of the mining area can be adjusted according to actual conditions, which enhances the adaptability and flexibility of the mining method and is suitable for mining of different scales and conditions. The design of the plate area mining ramp enables all kinds of trackless self-propelled equipment to smoothly enter the mining face, improving the flexibility and efficiency of mining operations.

[0043] Through intelligent means such as geological monitoring and assessment, equipment maintenance and management, we can grasp the situation and problems of mining operations in real time, make timely adjustments and optimizations, and improve the management level of mining operations.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A shallow hole mining method for mining in an inclined ramp outside a mine, characterized in that: It includes a stope arranged along the strike of the ore body, the stope having a predetermined height, span and mining width, wherein the height is 50m, the span is adjustable within the range of 50-70m, and the mining width is 2m; A top column disposed above the stope and having a height of at least 4 m to support the stope structure; The construction area has a sloped road, allowing all kinds of trackless self-propelled equipment to enter the mining face smoothly; And, a combination of mechanized operating equipment including at least a small crawler drilling rig, a crawler excavator and a crawler scraping rig, wherein the drilling rig is equipped with a line-of-sight remote control device to realize remote drilling operations, the excavator is used for leveling the mining site, and the scraping rig is used for processing loose rocks on the roof.

2. The shallow hole mining method for mining in a ramp outside a mine according to claim 1 is characterized in that: It also includes side columns arranged on both sides of the mining area, and the height of the side columns is not lower than the height of the top column, so as to further enhance the stability of the mining area structure, prevent the side wall of the ore body from collapsing, and ensure the safety of operations.

3. The shallow hole mining method for mining in the ramp outside the mine according to claim 1 is characterized in that: The design slope of the panel area mining ramp meets the driving requirements of trackless self-propelled equipment, and is equipped with anti-skid measures and lighting systems to ensure that the equipment can safely and efficiently enter and exit the mining face on the ramp, thereby improving the continuity and efficiency of mining operations.

4. The shallow hole mining method for mining in the ramp outside the mine according to claim 1 is characterized in that: The small crawler drilling rig is equipped with a line-of-sight remote control device with automatic positioning and obstacle avoidance functions, which can accurately control the drilling position and depth, while ensuring the safety of the operator and reducing the risk of direct exposure of humans to dangerous environments.

5. The shallow hole mining method for mining in the ramp outside the mine according to claim 1 is characterized in that: The mechanized operation equipment combination also includes one or more crawler transport vehicles, which are used to transport the mined ore from the mining face to the designated ore stacking area, thereby realizing full mechanization of the mining operation, reducing labor costs, and improving mining efficiency.

6. The shallow hole mining method for mining in the ramp outside the mine according to claim 1 is characterized in that: It also includes a ventilation and dust removal system, which can ensure air circulation in the mining area, effectively reduce dust concentration, provide a healthy and safe working environment for operators, and reduce safety hazards caused by dust accumulation; It also includes regular geological exploration and stability assessment of the mining site to promptly detect and address potential geological problems, such as rock cracks and weak interlayers, to ensure that mining operations are carried out under stable geological conditions and reduce the risk of geological disasters.

7. The shallow hole mining method for mining in the ramp outside the mine according to claim 1 is characterized in that: The crawler excavator in the mechanized operation equipment combination is also equipped with an intelligent leveling system, which can automatically adjust the operating parameters of the excavator according to the preset mine flatness requirements, achieve precise leveling of the mine, and create good conditions for subsequent mining operations and ore transportation.

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