A method and system for automatically matching drilling operation parameters, and a rock drilling jumbo drilling system

Abstract

The application discloses a kind of drilling operation parameter automatic matching method, system and jumbo drilling system in the technical field of jumbo drilling, to solve the problem that in prior art, operating hand manually adjusts the hydraulic flow and pressure of impact system, advancing system and rotation system according to experience, improper adjustment by operating hand can cause phenomena such as severe drill wear, frequent sticking, low drilling efficiency and the like.The application can extract the best impact frequency of corresponding rock drill and rock drill impact energy according to drill type and rock properties, which helps to improve drilling efficiency;It can calculate the best rotation speed and advancing force, and the overall operation parameter matching is reasonable, which helps to improve drilling speed, reduce energy consumption, avoid drill wear and sticking phenomenon;Through the best combination of operation parameters, the corresponding hydraulic system can be automatically adjusted to ensure the accuracy of adjustment, eliminate the harm caused by blind adjustment of operating hand, without manual adjustment, reduce the labor intensity of operating hand.

Description

Technical Field

[0001] This invention relates to an automatic matching method and system for drilling operation parameters, and a drilling system for rock drilling rigs, belonging to the field of drilling rig technology. Background Technology

[0002] As the dominant equipment in drill-and-blast construction, rock drilling rigs are mainly used in the construction of underground engineering projects such as railway and highway tunnels, underground mine roadways, and hydropower culverts, playing an increasingly important role in underground engineering construction. The operation of a rock drilling rig mainly involves four processes: impact, propulsion, rotation, and flushing. The flushing process generally ensures sufficient water volume to promptly flush out broken rock cuttings. The other processes mainly involve operating parameters such as impact frequency, rock drill impact energy, propulsion force, and rotation speed. For different rock properties and selected drill bit types, there is an optimal combination of these operating parameters to improve drilling efficiency, reduce energy consumption, and minimize drill bit wear and stuck drill bits. During rock drilling rig operation, operators often adjust operating parameters based on experience, or even fail to adjust them, drilling according to the factory settings. This leads to low drilling efficiency, high energy consumption, severe drill bit wear, and frequent stuck drill bits, seriously affecting construction progress and quality.

[0003] When operating a rock drilling rig, the operator usually works directly according to the relevant operating parameters set by the factory. Experienced operators will consider matching the operating parameters and manually adjust the hydraulic flow and pressure of the impact system, propulsion system and rotation system according to the properties of the rock being drilled and the type of drill bit used. They will select operating parameters such as impact frequency, impact energy, propulsion force and rotation speed that they consider suitable. To a certain extent, this can improve drilling efficiency, reduce energy consumption, reduce drill bit wear and reduce the frequency of stuck drill.

[0004] When operating existing rock drilling rigs, operators manually adjust the hydraulic flow and pressure of the impact, propulsion, and rotation systems based on experience. This cannot guarantee that the operating parameters such as impact frequency, rock drill impact energy, propulsion force, and rotation speed will reach the optimal combination. Improper adjustments by the operator will not only fail to improve drilling efficiency but will also cause many problems, such as severe wear of the drill bit, frequent jamming, and even damage to the rock drill. Manual adjustments by the operator will also increase the labor intensity. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide an automatic matching method, system, and drilling rig drilling system for drilling operations. This invention solves the problem that in the prior art, operators manually adjust the hydraulic flow and pressure of the impact system, propulsion system, and rotation system based on experience, which cannot guarantee that the operating parameters such as impact frequency, rock drill impact energy, propulsion force, and rotation speed will reach the optimal combination. Improper adjustments by the operator will not only fail to improve drilling efficiency but will also cause many problems, such as severe wear of drill bits and frequent jamming.

[0006] To solve the above-mentioned technical problems, the present invention is implemented using the following technical solution:

[0007] In a first aspect, the present invention provides an automatic matching method for drilling operation parameters, comprising:

[0008] Obtain the current drill bit type and rock properties, and retrieve a set of datasets corresponding to the current drill bit type and rock properties from the database to obtain the rock drill impact frequency and rock drill impact energy; the database includes multiple sets of datasets.

[0009] Calculate the drill bit rotation speed based on the drill bit type and the rock drill impact frequency;

[0010] The propulsion force is calculated based on the rock properties, the rock drill impact frequency, and the rock drill impact energy.

[0011] The hydraulic flow and pressure of the impact system are automatically adjusted according to the impact frequency and impact energy of the rock drill, the hydraulic flow of the rotation system is automatically adjusted according to the drill bit rotation speed, and the hydraulic pressure of the propulsion system is automatically adjusted according to the propulsion force, so as to achieve automatic matching of operating parameters.

[0012] Furthermore, the parameters of the dataset include drill bit type, rock properties, rock drill impact frequency, rock drill impact energy, and drilling speed.

[0013] Furthermore, the database was obtained through extensive experimental testing, with the goal of maximizing drilling speed. The optimal combination relationship between drill bit type, rock properties, rock drill impact frequency, and rock drill impact energy was obtained through neural network analysis.

[0014] Furthermore, the calculation of the drill bit rotation speed based on the drill bit type and the rock drill impact frequency specifically includes:

[0015] The drill bit type includes the drill bit diameter and the diameter of the carbide teeth embedded in the drill bit;

[0016] Specifically, it is calculated using the following formula:

[0017]

[0018] In the formula: n is the drill bit rotation speed, f is the rock drill impact frequency, D is the drill bit diameter, and d is the diameter of the carbide teeth embedded in the drill bit.

[0019] Furthermore, the calculation of propulsion force based on rock properties, rock drill impact frequency, and rock drill impact energy specifically includes:

[0020] The rock properties include the uniaxial compressive strength of the rock;

[0021] Specifically, it is calculated using the following formula:

[0022]

[0023] In the formula: F T For propulsion, R c Let f be the uniaxial compressive strength of the rock, f be the impact frequency of the rock drill, m be the mass of the rock drill impact piston, E be the impact energy of the rock drill, α be the stroke-time ratio, and F be the uniaxial compressive strength of the rock. f F is the frictional force of the rock drill moving on the guide rail. G This is the component of the rock drill's gravity.

[0024] Furthermore, the value range of α is [0.33, 0.37].

[0025] Secondly, the present invention provides an automatic matching system for drilling operation parameters, the system comprising:

[0026] Database module: Obtains the current drill bit type and rock properties, and retrieves a set of datasets corresponding to the current drill bit type and rock properties from the database to obtain the rock drill impact frequency and rock drill impact energy; the database includes multiple sets of datasets;

[0027] Solution module: Calculates the drill bit rotation speed based on the drill bit type and rock drill impact frequency;

[0028] The propulsion force is calculated based on the rock properties, the rock drill impact frequency, and the rock drill impact energy.

[0029] Adjustment module: Automatically adjusts the hydraulic flow and pressure of the impact system according to the impact frequency and impact energy of the rock drill, automatically adjusts the hydraulic flow of the rotation system according to the drill bit rotation speed, and automatically adjusts the hydraulic pressure of the propulsion system according to the propulsion force, so as to achieve automatic matching of operating parameters.

[0030] Furthermore, it also includes a display, a controller, and a storage device, wherein the controller is used to implement the automatic matching method for drilling operation parameters described in the first aspect, and both the display and the storage device are electrically connected to the controller;

[0031] The storage device is used to store the database module;

[0032] The display is used for manually inputting the drill bit type and rock properties.

[0033] Thirdly, the present invention provides a rock drilling rig drilling system, including the automatic matching system for drilling operation parameters described in the second aspect.

[0034] Furthermore, it also includes a rock drill housing and a drill rod. The rock drill housing is equipped with a piston and a drill bit. One end of the drill rod is rotatably connected to the drill bit via a connecting sleeve, and the other end of the drill rod is equipped with a drill bit.

[0035] Compared with the prior art, the beneficial effects achieved by the present invention are as follows:

[0036] 1. This automatic drilling parameter matching method can extract the optimal impact frequency and impact energy of the rock drill from the database before the start of work, based on the drill bit type and rock properties, which helps to improve drilling efficiency. It can also calculate the optimal rotation speed and thrust through logical calculations, resulting in a more reasonable overall parameter matching, which helps to increase drilling speed, reduce energy consumption, and decrease drill bit wear and stuck drill phenomena. Furthermore, this invention can automatically adjust the corresponding hydraulic system through the optimal combination of operating parameters, ensuring the accuracy of the adjustment, eliminating the dangers caused by blind adjustments by the operator, and reducing the operator's workload by eliminating the need for manual adjustment.

[0037] 2. This automatic drilling parameter matching system, before the rock drilling rig begins operation, inputs the known rock properties and selected drill bit type into the controller via a display. The controller retrieves data from its database module and recommends the optimal impact frequency and impact energy for the rock drill. The controller's calculation module calculates the optimal slewing speed and propulsion force based on the input rock properties, selected drill bit type, recommended impact frequency, and rock drill impact energy. The adjustment module automatically adjusts the hydraulic flow and pressure of the impact, propulsion, and slewing systems to achieve optimal matching of these operating parameters, eliminating the need for operator adjustments based on experience. This system helps improve the drilling efficiency of the rock drilling rig, reduces energy consumption, minimizes drill bit wear and stuck drill bit occurrences, and ensures the system's effectiveness. Attached Figure Description

[0038] Figure 1 This is a flowchart illustrating an automatic matching method for drilling operation parameters according to an embodiment of the present invention.

[0039] Figure 2 This is a schematic diagram of an automatic matching system for drilling operation parameters provided in an embodiment of the present invention;

[0040] Figure 3 This is a flowchart of the operation of an automatic matching system for drilling operation parameters provided in an embodiment of the present invention;

[0041] Figure 4 This is a schematic diagram of a rock drilling rig drilling system provided according to an embodiment of the present invention.

[0042] In the diagram: 11. Rock drill housing; 12. Piston; 13. Chisel shank; 14. Connecting sleeve; 15. Drill rod; 16. Drill bit; 21. Rock; 22. Rock cuttings. Detailed Implementation

[0043] The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments and specific features in the embodiments are detailed descriptions of the technical solution of the present application, rather than limitations thereof. In the absence of conflict, the embodiments and technical features in the embodiments can be combined with each other.

[0044] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0045] Example 1:

[0046] like Figure 1 As shown, the present invention provides an automatic matching method for drilling operation parameters, including:

[0047] The system obtains the current drill bit type and rock properties, and retrieves a set of datasets corresponding to the current drill bit type and rock properties from the database to obtain the rock drill impact frequency and rock drill impact energy; the database includes multiple sets of datasets.

[0048] Calculate the drill bit rotation speed based on the drill bit type and the rock drill impact frequency;

[0049] The propulsion force is calculated based on the rock properties, the rock drill impact frequency, and the rock drill impact energy.

[0050] The hydraulic flow and pressure of the impact system are automatically adjusted according to the impact frequency and impact energy of the rock drill, the hydraulic flow of the rotation system is automatically adjusted according to the drill bit rotation speed, and the hydraulic pressure of the propulsion system is automatically adjusted according to the propulsion force, so as to achieve automatic matching of operating parameters.

[0051] In one embodiment, the parameters of the dataset include drill bit type, rock properties, rock drill impact frequency, rock drill impact energy, and drilling speed. The database is obtained from a large number of experimental tests, with the goal of maximizing drilling speed. The optimal combination relationship between drill bit type, rock properties, rock drill impact frequency, and rock drill impact energy is obtained through neural network analysis.

[0052] Specifically, in the early stage, different types of drill bits are selected to drill into rocks of different properties, the impact frequency and rock drill impact energy are adjusted, the drilling speed is monitored, and a large amount of data is obtained. With the goal of the fastest drilling speed, the optimal impact frequency and rock drill impact energy corresponding to different types of drill bits drilling into rocks of different properties are obtained through neural network analysis, forming a dataset, and a database is established based on multiple datasets.

[0053] In one embodiment, calculating the drill bit rotation speed based on the drill bit type and the rock drill impact frequency specifically includes:

[0054] The drill bit type includes the drill bit diameter and the diameter of the carbide teeth embedded in the drill bit;

[0055] Specifically, it is calculated using the following formula:

[0056]

[0057] In the formula: n is the drill bit rotation speed (r / min), f is the rock drill impact frequency (Hz), D is the drill bit diameter (mm), and d is the diameter of the carbide teeth embedded in the drill bit (mm).

[0058] Specifically, during the drilling process of a rock drill, there is an optimal combination relationship between the drill bit rotation speed, the rock drill impact frequency, and the drill bit type. When the rock drill impact frequency and the selected drill bit type are fixed, if the drill bit rotation speed is too low, it will be unable to peel off the rock that has been broken by impact, causing the rock drill to repeatedly impact the already broken rock, resulting in energy loss and reduced drilling efficiency. If the drill bit rotation speed is too high, the rotational shear area will increase, and the torque during drilling will increase. When the torque exceeds the limit value, it will cause the drill to jam and cause abnormal wear of the drill bit. Therefore, it is necessary to calculate the optimal rotation speed based on the rock drill impact frequency and the drill bit type. Through analysis, the logical relationship is as shown in the above formula.

[0059] In one embodiment, the calculation of propulsion force based on rock properties, rock drill impact frequency, and rock drill impact energy specifically includes:

[0060] The rock properties include the uniaxial compressive strength of the rock;

[0061] Specifically, it is calculated using the following formula:

[0062]

[0063] In the formula: F T For propulsion (N), R c Let f be the uniaxial compressive strength of the rock (MPa), f be the impact frequency of the rock drill (Hz), m be the impact piston mass of the rock drill (kg), which can be obtained from rock drill sample data, E be the impact energy of the rock drill (J), α be the stroke-time ratio, and F be the rock drill impact energy (J). fF represents the frictional force (N) exerted by the rock drill as it moves along the guide rail. G The component of gravity (N) of the rock drill is generally horizontal, so the component of gravity can be ignored. The value of α is in the range of [0.33, 0.37]. Smaller values ​​are used for rock drills with shorter strokes, and larger values ​​are used for rock drills with longer strokes. Generally, 0.35 is used.

[0064] Specifically, the propulsion process mainly involves advancing the rock drill to ensure close contact between the drill bit and the rock. This guarantees that the impact energy of the drill bit is transmitted to the rock through the drill bit and drill string. If the propulsion force is too small, the drill bit will retract after impact, failing to maintain good contact with the rock at the bottom of the hole, resulting in wasted impact energy. If the propulsion force is too large, the friction between the drill bit and the rock at the bottom of the hole will be greater, leading to excessive drill rod torque, preventing normal rotation of the drill rod, or even jamming the drill. If the rock drill impact frequency and impact energy are too high, the impact reaction force on the drill bit will be greater. To ensure good contact between the drill bit and the rock at the bottom of the hole, the propulsion force needs to be increased. Similarly, under the action of rock drill impact energy, the harder the rock, the easier it is for the drill bit to rebound. That is, different types of rock require different propulsion forces. Therefore, it is necessary to calculate the propulsion force based on the impact frequency, rock drill impact energy, and rock properties. Through analysis, the relationship between the propulsion force and the impact frequency and rock drill impact energy is as follows:

[0065]

[0066] The harder the rock, the easier it is for the drill bit to bounce back after impact, and the greater the thrust required. Considering the influence of rock properties, the thrust is calculated as follows:

[0067]

[0068] Before work begins, this invention can extract the optimal impact frequency and impact energy of the rock drill from a database based on the drill bit type and rock properties, which helps improve drilling efficiency. It can also calculate the optimal rotation speed and thrust through logical calculations, resulting in a more reasonable matching of overall operating parameters, which helps increase drilling speed, reduce energy consumption, and decrease drill bit wear and stuck drill phenomena. Furthermore, this invention can automatically adjust the corresponding hydraulic system through the optimal combination of operating parameters, ensuring the accuracy of the adjustment, eliminating the dangers caused by blind adjustments by the operator, and reducing the operator's workload by eliminating the need for manual adjustment.

[0069] Example 2:

[0070] like Figure 2-3 As shown, the present invention provides an automatic matching system for drilling operation parameters, the system comprising:

[0071] Database module: Obtains the current drill bit type and rock properties, and retrieves a set of datasets corresponding to the current drill bit type and rock properties from the database to obtain the rock drill impact frequency and rock drill impact energy; the database includes multiple sets of datasets;

[0072] Solution module: Calculates the drill bit rotation speed based on the drill bit type and rock drill impact frequency;

[0073] The propulsion force is calculated based on the rock properties, the rock drill impact frequency, and the rock drill impact energy.

[0074] Adjustment module: Automatically adjusts the hydraulic flow and pressure of the impact system according to the impact frequency and impact energy of the rock drill, automatically adjusts the hydraulic flow of the rotation system according to the drill bit rotation speed, and automatically adjusts the hydraulic pressure of the propulsion system according to the propulsion force, so as to achieve automatic matching of operating parameters.

[0075] It also includes a display, a controller, and a storage device. The controller is used to implement the automatic matching method for drilling operation parameters described in Embodiment 1. The display and the storage device are both electrically connected to the controller.

[0076] The storage device is used to store the database module;

[0077] The display is used for manually inputting the drill bit type and rock properties.

[0078] Specifically, the database module: When the rock drilling rig is in operation, different types of drill bits are selected to drill into rocks of different properties. The required impact frequency and impact energy of the rock drill are different. The harder the rock, the greater the impact energy required and the lower the impact frequency. If a high impact energy is used in soft rock, it will inevitably cause energy loss. Therefore, the appropriate impact frequency and impact energy can improve drilling efficiency and reduce energy consumption. In the early stage, different types of drill bits are selected to drill into rocks of different properties. The impact frequency and impact energy are adjusted, the drilling speed is monitored, and a large amount of data is obtained. With the goal of the fastest drilling speed, the optimal impact frequency and impact energy corresponding to different types of drill bits drilling into rocks of different properties are obtained through neural network analysis. A database is established, forming a database module, which is stored in the memory. Before each drilling, it is only necessary to input the selected drill bit type and the properties of the rock to be drilled into the controller through the display. The controller retrieves the database module in the memory and can recommend the optimal impact frequency and impact energy of the rock drill.

[0079] Solution Module: During the rock drill drilling process, there is an optimal combination relationship between the rotational speed, impact frequency, and drill bit type. When the rock drill impact frequency and the selected drill bit type are fixed, too low a rotational speed will cause energy loss and reduce drilling efficiency; too high a rotational speed will cause the drill to jam and abnormal wear of the drill bit. Therefore, a logical relationship between rotational speed, impact frequency, and drill bit type is established, and the optimal rotational speed is calculated based on the impact frequency and drill bit type. The propulsion process mainly propels the rock drill to ensure close contact between the drill bit and the rock, ensuring that the rock drill impact energy of the piston is effectively transmitted to the rock through the shank and drill bit. Insufficient thrust will waste the rock drill's impact energy; excessive thrust will prevent the drill rod from rotating properly or even cause the drill to jam; excessive rock drill impact frequency and impact energy require increased thrust, and different rock properties require different thrusts. Therefore, a logical relationship is established between thrust and impact frequency, rock drill impact energy, and rock properties. The optimal thrust is calculated based on the impact frequency, rock drill impact energy, and rock properties. The above calculation logic expressions for rotation speed and thrust are input into the controller to form a calculation module. The calculation module can calculate the optimal rotation speed and thrust based on the known parameters and calculation logic expressions.

[0080] Adjustment module: The controller automatically adjusts the hydraulic flow and pressure of the impact system according to the recommended impact frequency and rock drill impact energy, automatically adjusts the hydraulic flow of the slewing system according to the slewing speed calculated by the calculation module, and automatically adjusts the hydraulic pressure of the propulsion system according to the propulsion force calculated by the calculation module. Ultimately, it achieves automatic matching of operating parameters, improves the drilling efficiency of the rock drill, reduces energy consumption, and reduces wear and stuck drill phenomena.

[0081] In one embodiment, the rock drill is mounted on a rock drilling rig. Once the rock drilling rig's operating parameters are automatically matched, the operation can begin. After the operation is completed, the rock drilling rig is shut down and withdraws from the working face, waiting for the next cycle. In each operating cycle, the rock drilling rig typically drills blasting holes 3-5m deep on the working face for explosive blasting. Within the drilling depth of 3-5m, the rock properties do not change much and can be considered to be consistent. Therefore, after the optimal operating parameters are matched before each drilling cycle, the rock drilling rig does not need to adjust the operating parameters in real time during the drilling process.

[0082] In practical operation, before the rock drilling rig begins operation, the known properties of the rock to be drilled and the selected drill bit type are input into the controller via a display. The controller retrieves data from the database module in its memory and recommends the optimal impact frequency and impact energy for the rock drill. The calculation module within the controller calculates the optimal rotation speed and propulsion force based on the input rock properties, selected drill bit type, recommended impact frequency, and rock drill impact energy. The adjustment module automatically adjusts the hydraulic flow and pressure of the impact system, propulsion system, and rotation system to achieve optimal matching of the above operating parameters, eliminating the need for operator adjustments based on experience. This system helps improve the drilling efficiency of the rock drilling rig, reduces energy consumption, minimizes drill bit wear and stuck drill bit phenomena, and ensures the effective operation of the system.

[0083] Example 3:

[0084] like Figure 4 As shown, the present invention provides a rock drilling rig drilling system, including the automatic matching system for drilling operation parameters described in Embodiment 2, and also includes a rock drill housing 11 and a drill rod 15. The rock drill housing 11 is provided with a piston 12 and a drill bit 13 inside. One end of the drill rod 15 is rotatably connected to the drill bit 13 through a connecting sleeve 14, and the other end of the drill rod 15 is provided with a drill bit 16.

[0085] Specifically, Figure 4 In the diagram, A represents the impact process of the drilling rig during drilling, B represents the propulsion process, C represents the rotation process, and D represents the flushing process.

[0086] During operation, the impact process is as follows: Impact process A mainly involves breaking the rock 21. The hydraulic system of the rock drilling rig provides impact energy to the rock drill, pushing the piston 12 forward and accelerating it to a certain speed to impact the drill bit 13. The impact energy of the rock drill is transmitted to the rock 21 in the form of stress waves through the connecting sleeve 14, along the drill rod 15 and the drill bit 16, causing the rock 21 to break.

[0087] The propulsion process: Propulsion process B is to apply a thrust to the rock drill housing 11 during drilling, so that the drill bit 16 is always in close contact with the rock 21 during drilling, to prevent the drill bit 16 from rebounding and to ensure that the impact energy of the rock drill is effectively transmitted to the rock 21.

[0088] Rotation process: The main function of rotation process C is to rotate the drill bit 16 to a new position after each impact to break new rocks 21, while peeling off the rocks 21 that have already cracked.

[0089] Flushing process: Flushing process D is to flush out the rock cuttings 22 that have broken off from the borehole. If the flushing is not sufficient, the drill bit 16 will repeatedly grind the rock cuttings 22 in the borehole, which will not only slow down the drilling speed, but also accelerate the wear of the drill bit 16, and may even cause the drill to get stuck.

[0090] In the above four processes, the flushing process D generally ensures sufficient flushing water to flush out the rock cuttings 22 in time. The other three processes mainly involve operating parameters such as impact frequency, rock drill impact energy, rotation speed and thrust. For different types of drill bits 16 and different properties of rock 21, there is an optimal combination of the above operating parameters to ensure that the rock drilling rig is most efficient and energy-efficient during drilling, and to reduce wear and stuck drill.

[0091] Those skilled in the art will understand that embodiments of this application can be provided as methods, systems, or computer program products. Therefore, this application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0092] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart... Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0093] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0094] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0095] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A method for automatically matching drilling operation parameters, characterized in that, include: The system obtains the current drill bit type and rock properties, and retrieves a set of datasets corresponding to the current drill bit type and rock properties from the database to obtain the rock drill impact frequency and rock drill impact energy; the database includes multiple sets of datasets. Calculate the drill bit rotation speed based on the drill bit type and the rock drill impact frequency; The propulsion force is calculated based on the rock properties, the rock drill impact frequency, and the rock drill impact energy. The hydraulic flow and pressure of the impact system are automatically adjusted according to the impact frequency and impact energy of the rock drill; the hydraulic flow of the rotation system is automatically adjusted according to the drill bit rotation speed; and the hydraulic pressure of the propulsion system is automatically adjusted according to the propulsion force, so as to achieve automatic matching of operating parameters. The database was obtained from a large number of experimental tests. With the goal of achieving the fastest drilling speed, the optimal combination relationship between drill bit type, rock properties, rock drill impact frequency and rock drill impact energy was obtained through neural network analysis. The calculation of propulsion force based on rock properties, rock drill impact frequency, and rock drill impact energy specifically includes: The rock properties include the uniaxial compressive strength of the rock; Specifically, it is calculated using the following formula: ， In the formula: Propulsion force, measured in N. The uniaxial compressive strength of rock is expressed in MPa. This refers to the impact frequency of the rock drill, measured in Hz. The mass of the rock drill impact piston is expressed in kg. The impact energy of a rock drill is expressed in J. For stroke-time ratio, This represents the frictional force of the rock drill moving on the guide rail, measured in Newton-meters (N). This is the component of the rock drill's gravity, expressed in N.

2. The automatic matching method for drilling operation parameters according to claim 1, characterized in that, The parameters of the dataset include drill bit type, rock properties, rock drill impact frequency, rock drill impact energy, and drilling speed.

3. The automatic matching method for drilling operation parameters according to claim 1, characterized in that, The calculation of drill bit rotation speed based on drill bit type and rock drill impact frequency specifically includes: The drill bit type includes the drill bit diameter and the diameter of the carbide teeth embedded in the drill bit; Specifically, it is calculated using the following formula: ， In the formula: This refers to the drill bit rotation speed, expressed in r / min. This refers to the impact frequency of the rock drill, measured in Hz. This refers to the drill bit diameter, in mm. The diameter of the carbide teeth embedded in the drill bit, in mm.

4. The automatic matching method for drilling operation parameters according to claim 1, characterized in that, The The value range is [0.33, 0.37].

5. An automatic matching system for drilling operation parameters, characterized in that, The system includes: Database module: Obtains the current drill bit type and rock properties, and retrieves a set of datasets corresponding to the current drill bit type and rock properties from the database to obtain the rock drill impact frequency and rock drill impact energy; the database includes multiple sets of datasets; Solution module: Calculates the drill bit rotation speed based on the drill bit type and rock drill impact frequency; The propulsion force is calculated based on the rock properties, the rock drill impact frequency, and the rock drill impact energy. Adjustment module: Automatically adjusts the hydraulic flow and pressure of the impact system according to the impact frequency and impact energy of the rock drill, automatically adjusts the hydraulic flow of the rotation system according to the drill bit rotation speed, and automatically adjusts the hydraulic pressure of the propulsion system according to the propulsion force, so as to realize the automatic matching of operating parameters; The database was obtained from a large number of experimental tests. With the goal of achieving the fastest drilling speed, the optimal combination relationship between drill bit type, rock properties, rock drill impact frequency and rock drill impact energy was obtained through neural network analysis. The calculation of propulsion force based on rock properties, rock drill impact frequency, and rock drill impact energy specifically includes: The rock properties include the uniaxial compressive strength of the rock; Specifically, it is calculated using the following formula: ， In the formula: Propulsion force, measured in N. The uniaxial compressive strength of rock is expressed in MPa. This refers to the impact frequency of the rock drill, measured in Hz. The mass of the rock drill impact piston is expressed in kg. The impact energy of a rock drill is expressed in J. For stroke-time ratio, This represents the frictional force of the rock drill moving on the guide rail, measured in Newton-meters (N). This is the component of the rock drill's gravity, expressed in N.

6. The automatic matching system for drilling operation parameters according to claim 5, characterized in that, It also includes a display, a controller, and a storage device, wherein the controller is used to implement the automatic matching method for drilling operation parameters as described in any one of claims 1-4, and both the display and the storage device are electrically connected to the controller; The storage device is used to store the database module; The display is used for manually inputting the drill bit type and rock properties.

7. A rock drilling rig drilling system, characterized in that, Includes the automatic matching system for drilling operation parameters as described in any one of claims 5-6.

8. The drilling system for a rock drilling rig according to claim 7, characterized in that, It also includes a rock drill housing and a drill rod. The rock drill housing is equipped with a piston and a drill bit. One end of the drill rod is rotatably connected to the drill bit via a connecting sleeve, and the other end of the drill rod is equipped with a drill bit.

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