CN112096272A - Intelligent drilling method of rock drill - Google Patents
Intelligent drilling method of rock drill Download PDFInfo
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- CN112096272A CN112096272A CN202010991238.0A CN202010991238A CN112096272A CN 112096272 A CN112096272 A CN 112096272A CN 202010991238 A CN202010991238 A CN 202010991238A CN 112096272 A CN112096272 A CN 112096272A
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- 238000005553 drilling Methods 0.000 title claims abstract description 203
- 239000011435 rock Substances 0.000 title claims abstract description 157
- 238000000034 method Methods 0.000 title claims abstract description 79
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/04—Automatic control of the tool feed in response to the torque of the drive ; Measuring drilling torque
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B45/00—Measuring the drilling time or rate of penetration
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/46—Mineral freed by means not involving slitting by percussed planing means
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an intelligent drilling method of a rock drill, which comprises the following steps: the method comprises the following steps of arranging a sensor mounting structure, assembling related drilling sensors, testing the operation of the sensors, conducting preliminary drilling exploration, analyzing drilling data results, adjusting formal drilling modes, storing drilling process information and overhauling drilling equipment; according to the invention, various sensors such as a vibration sensor, a torque sensor, a stress sensor and a displacement sensor are arranged on the drill bit and the drill rod of the rock drill, so that the drilling mode of the rock drill can be adjusted according to detected parameters; the rock drill drilling parameters in different rock drilling processes of different terrains can be stored by adding the preliminary drilling probing process and the drilling process information storage process in the drilling process of the rock drill, and the pre-stored parameters can be directly used in other subsequent drilling processes, so that the intelligent drilling efficiency and the drilling effect of the rock drill are improved.
Description
Technical Field
The invention belongs to the technical field of intelligent drilling of rock drills, and particularly relates to an intelligent drilling method of a rock drill.
Background
Rock drills are tools used to directly mine rock material. It drills blastholes in the rock formations to deposit explosives to blast the rock to complete the extraction of rock material or other stone work. Furthermore, rock drills may also be used as breakers for breaking hard layers such as concrete. Rock drills can be classified into pneumatic rock drills, internal combustion rock drills, electric rock drills, hydraulic rock drills and the like according to power sources of the rock drills.
Rock drills work according to the impact crushing principle. When the drill bit works, the piston does high-frequency reciprocating motion and continuously impacts the drill bit shank. Under the action of impact force, the wedge-shaped bit crushes and drills the rock to a certain depth to form a dent. After the piston is withdrawn, the drill rod rotates a certain angle, the piston moves forwards, and a new dent is formed when the piston impacts the drill rod end again. The segmental rock mass between the two indents is sheared by the horizontal force component generated on the bit. The piston continuously impacts the drill bit shank and continuously inputs compressed air or pressure water from the central hole of the drill bit to discharge rock slag out of the hole, namely, a circular drill hole with a certain depth is formed.
In the engineering construction rock drilling process, information such as the drilling depth of a drill bit of the rock drilling machine, the stress of rock received by the drill bit and a drill rod of the rock drilling machine in the drilling process, the vibration received by the drill bit and the drill rod of the rock drilling machine in the drilling process, the torque of the rock drilling machine in the drilling process and the like generally need to be monitored manually, the drilling mode of the rock drilling machine is judged and adjusted manually, the drilling effect and the drilling efficiency of the rock drilling machine can be influenced, and therefore an intelligent drilling method of the rock drilling machine needs to be provided
Disclosure of Invention
The invention aims to solve the defects in the prior art, and various sensors such as a vibration sensor, a torque sensor, a stress sensor, a displacement sensor and the like are arranged on a drill bit and a drill rod of the rock drill, so that various parameters of the drilling process of the rock drill can be directly detected in the drilling process, and the drilling mode of the rock drill can be adjusted according to the detected parameters; the rock drill drilling parameters in different rock drilling processes of different terrains can be stored by adding a preliminary drilling probing process and a drilling process information storage process in the drilling process of the rock drill, and the parameters stored in advance can be directly used in other subsequent drilling processes, so that the intelligent drilling efficiency and the drilling effect of the rock drill are improved, and the intelligent drilling method of the rock drill is provided.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent drilling method of a rock drill comprises the following steps;
s1, arranging a sensor mounting structure, fixedly connecting the sensor mounting structure between a drill bit and a drill rod of the rock drilling machine, and keeping the diameter of the sensor mounting structure the same as that of the drill bit of the rock drilling machine;
s2, assembling related drilling sensors, namely assembling the related sensors required in the drilling process through the sensor mounting structure in the step S1, wherein the related sensors comprise a vibration sensor, a torque sensor, a stress sensor and a displacement sensor, and after the sensors are mounted, the mounting stability of a plurality of groups of sensors is checked;
s3, performing running test on the sensor, supplying power to the sensor on the rock drill, and detecting the data generation result and the running condition of the sensor, so as to ensure the normal running of the sensor in the drilling work;
s4, preliminary drilling exploration, namely, preliminarily drilling the rock by the rock drill provided with the related sensor in the step S2, collecting sensing data of a drill bit and a drill rod of the rock drill when the rock drill drills the target rock, and detecting the condition of the object rock drilled by the rock drill according to the collected sensor information of the drill bit and the drill rod so as to confirm a subsequent drilling mode;
s5, analyzing a drilling data result, and conjecturing information of the excavated object rock through the sensor data information acquired in the step S4, so that drilling parameters required by a drill bit in the formal drilling process are confirmed through the drill bit parameters of the preliminary drilling, different types of drill bits and drill rods in the drilling process are adjusted through the parameter result of the vibration sensor, the power torque output of a driving device of the rock drilling machine is adjusted through the parameter result of the torque sensor, and the hardness of the rock is judged through the parameter result of the stress sensor to be used for adjusting the drilling speed of the drill bit and the drill rod of the rock drilling machine, so that the drilling efficiency of the rock drilling machine which is most suitable for the object rock is adjusted;
s6, adjusting a formal drilling mode, adjusting the drilling parameters of the rock drill according to the data analysis result in the step S5, adjusting the output torque of a driving device of the rock drill, different types of a drill bit and a drill rod and the drilling speed of the drill bit and the drill rod of the rock drill according to the drilling parameters, and further performing rock drilling work according to the adjusted formal drilling mode;
s7, storing information of the drilling process, namely storing the drilling information generated by the sensor in the formal drilling process in the step S6 so as to store the drilling conditions of the related topographic rocks, and using the drilling conditions as a data reference basis for the initial drilling mode during the drilling of the following different topographic rocks;
s8, overhauling the drilling equipment, and overhauling the sensors on the drill bit and the drill rod of the rock drill after the drilling work of the rock drill is finished, thereby ensuring that the sensors on the rock drill are not damaged in the current drilling process and continuing to operate in the subsequent drilling work.
Preferably, in step S1, the sensor mounting structure is a stainless steel sensor fixing base, and the fixing base is provided with at least four sets of sensor fixing slots.
Preferably, in step S3, during the operation test of the sensor, the drill head and the drill rod of the rock drilling machine are in an idle state.
Preferably, in step S4, the drilling depth of the drill bit and the drill rod during the preliminary drilling trial is 5-8 m.
Preferably, still be provided with signal reception module on the organism of rock drill, signal reception module is used for receiving the wireless signal of wireless signal transmission module transmission, signal reception module includes WIFI antenna, LTE antenna, radio frequency switch, frequency divider and treater.
Preferably, the radio frequency switch includes a first input port, a second input port and a WIFI signal output port, the frequency divider includes a third input port, a first output port and a second output port, the WIFI antenna is connected to the first input port, the LTE antenna is connected to the third input port, the first output port is connected to the second input port, and the frequency divider is configured to separate the WIFI signal and the LTE signal in the signal received by the LTE antenna, and output the separated WIFI signal and LTE signal through the first output port and the second output port respectively.
Preferably, in step S7, a storage medium is further disposed on the body of the rock drilling machine, the storage device is a solid state disk with a capacity of at least 100G, and the information during the drilling process is stored on the storage device.
Preferably, in step S8, the drilling equipment servicing process further includes cleaning the relevant sensors on the rock drill.
The invention has the technical effects and advantages that: compared with the prior art, the intelligent drilling method of the rock drill provided by the invention has the advantages that various sensors such as the vibration sensor, the torque sensor, the stress sensor, the displacement sensor and the like are arranged on the drill bit and the drill rod of the rock drill, so that various parameters of the drilling process of the rock drill can be directly detected in the drilling process, and the drilling mode of the rock drill can be adjusted according to the detected parameters; the rock drill drilling parameters in different rock drilling processes of different terrains can be stored by adding the preliminary drilling probing process and the drilling process information storage process in the drilling process of the rock drill, and the pre-stored parameters can be directly used in other subsequent drilling processes, so that the intelligent drilling efficiency and the drilling effect of the rock drill are improved.
Drawings
Fig. 1 is a method flow chart of the intelligent drilling method of the rock drill of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the 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.
Examples
An intelligent drilling method of a rock drill comprises the following steps;
s1, arranging a sensor mounting structure, fixedly connecting the sensor mounting structure between a drill bit and a drill rod of the rock drilling machine, and keeping the diameter of the sensor mounting structure the same as that of the drill bit of the rock drilling machine;
s2, assembling related drilling sensors, namely assembling the related sensors required in the drilling process through the sensor mounting structure in the step S1, wherein the related sensors comprise a vibration sensor, a torque sensor, a stress sensor and a displacement sensor, and after the sensors are mounted, the mounting stability of a plurality of groups of sensors is checked;
s3, performing running test on the sensor, supplying power to the sensor on the rock drill, and detecting the data generation result and the running condition of the sensor, so as to ensure the normal running of the sensor in the drilling work;
s4, preliminary drilling exploration, namely, preliminarily drilling the rock by the rock drill provided with the related sensor in the step S2, collecting sensing data of a drill bit and a drill rod of the rock drill when the rock drill drills the target rock, and detecting the condition of the object rock drilled by the rock drill according to the collected sensor information of the drill bit and the drill rod so as to confirm a subsequent drilling mode;
s5, analyzing a drilling data result, and conjecturing information of the excavated object rock through the sensor data information acquired in the step S4, so that drilling parameters required by a drill bit in the formal drilling process are confirmed through the drill bit parameters of the preliminary drilling, different types of drill bits and drill rods in the drilling process are adjusted through the parameter result of the vibration sensor, the power torque output of a driving device of the rock drilling machine is adjusted through the parameter result of the torque sensor, and the hardness of the rock is judged through the parameter result of the stress sensor to be used for adjusting the drilling speed of the drill bit and the drill rod of the rock drilling machine, so that the drilling efficiency of the rock drilling machine which is most suitable for the object rock is adjusted;
s6, adjusting a formal drilling mode, adjusting the drilling parameters of the rock drill according to the data analysis result in the step S5, adjusting the output torque of a driving device of the rock drill, different types of a drill bit and a drill rod and the drilling speed of the drill bit and the drill rod of the rock drill according to the drilling parameters, and further performing rock drilling work according to the adjusted formal drilling mode;
s7, storing information of the drilling process, namely storing the drilling information generated by the sensor in the formal drilling process in the step S6 so as to store the drilling conditions of the related topographic rocks, and using the drilling conditions as a data reference basis for the initial drilling mode during the drilling of the following different topographic rocks;
s8, overhauling the drilling equipment, and overhauling the sensors on the drill bit and the drill rod of the rock drill after the drilling work of the rock drill is finished, thereby ensuring that the sensors on the rock drill are not damaged in the current drilling process and continuing to operate in the subsequent drilling work.
Further, in step S1, the sensor mounting structure is a stainless steel sensor fixing base, and the fixing base is provided with at least four sets of sensor fixing slots.
Further, in step S3, during the operation test of the sensor, the drill head and the drill rod of the rock drill are in an idle state.
Further, in step S4, the drilling depth of the drill bit and the drill rod during the preliminary drilling trial is 5-8 m.
Further, still be provided with signal reception module on the organism of rock drill, signal reception module is used for receiving the wireless signal of wireless signal transmission module transmission, and signal reception module includes WIFI antenna, LTE antenna, radio frequency switch, frequency divider and treater.
Furthermore, the radio frequency switch comprises a first input port, a second input port and a WIFI signal output port, the frequency divider comprises a third input port, a first output port and a second output port, the WIFI antenna is connected with the first input port, the LTE antenna is connected with the third input port, the first output port is connected with the second input port, and the frequency divider is used for separating the WIFI signal and the LTE signal in the signal received by the LTE antenna and outputting the separated WIFI signal and the separated LTE signal through the first output port and the second output port respectively.
Further, in step S7, a storage medium is further disposed on the body of the rock drilling machine, the storage device is a solid state disk with a capacity of at least 100G, and information during drilling is stored on the storage device.
Further, in step S8, the process of servicing the drilling equipment also includes cleaning the associated sensors on the rock drill.
In summary, the following steps: according to the invention, various sensors such as a vibration sensor, a torque sensor, a stress sensor, a displacement sensor and the like are arranged on the drill bit and the drill rod of the rock drill, so that various parameters of the drilling process of the rock drill can be directly detected in the drilling process, and the drilling mode of the rock drill can be adjusted according to the detected parameters; the rock drill drilling parameters in different rock drilling processes of different terrains can be stored by adding the preliminary drilling probing process and the drilling process information storage process in the drilling process of the rock drill, and the pre-stored parameters can be directly used in other subsequent drilling processes, so that the intelligent drilling efficiency and the drilling effect of the rock drill are improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. An intelligent drilling method of a rock drill is characterized in that: comprises the following steps;
s1, arranging a sensor mounting structure, fixedly connecting the sensor mounting structure between a drill bit and a drill rod of the rock drilling machine, and keeping the diameter of the sensor mounting structure the same as that of the drill bit of the rock drilling machine;
s2, assembling related drilling sensors, namely assembling the related sensors required in the drilling process through the sensor mounting structure in the step S1, wherein the related sensors comprise a vibration sensor, a torque sensor, a stress sensor and a displacement sensor, and after the sensors are mounted, the mounting stability of a plurality of groups of sensors is checked;
s3, performing running test on the sensor, supplying power to the sensor on the rock drill, and detecting the data generation result and the running condition of the sensor, so as to ensure the normal running of the sensor in the drilling work;
s4, preliminary drilling exploration, namely, preliminarily drilling the rock by the rock drill provided with the related sensor in the step S2, collecting sensing data of a drill bit and a drill rod of the rock drill when the rock drill drills the target rock, and detecting the condition of the object rock drilled by the rock drill according to the collected sensor information of the drill bit and the drill rod so as to confirm a subsequent drilling mode;
s5, analyzing a drilling data result, and conjecturing information of the excavated object rock through the sensor data information acquired in the step S4, so that drilling parameters required by a drill bit in the formal drilling process are confirmed through the drill bit parameters of the preliminary drilling, different types of drill bits and drill rods in the drilling process are adjusted through the parameter result of the vibration sensor, the power torque output of a driving device of the rock drilling machine is adjusted through the parameter result of the torque sensor, and the hardness of the rock is judged through the parameter result of the stress sensor to be used for adjusting the drilling speed of the drill bit and the drill rod of the rock drilling machine, so that the drilling efficiency of the rock drilling machine which is most suitable for the object rock is adjusted;
s6, adjusting a formal drilling mode, adjusting the drilling parameters of the rock drill according to the data analysis result in the step S5, adjusting the output torque of a driving device of the rock drill, different types of a drill bit and a drill rod and the drilling speed of the drill bit and the drill rod of the rock drill according to the drilling parameters, and further performing rock drilling work according to the adjusted formal drilling mode;
s7, storing information of the drilling process, namely storing the drilling information generated by the sensor in the formal drilling process in the step S6 so as to store the drilling conditions of the related topographic rocks, and using the drilling conditions as a data reference basis for the initial drilling mode during the drilling of the following different topographic rocks;
s8, overhauling the drilling equipment, and overhauling the sensors on the drill bit and the drill rod of the rock drill after the drilling work of the rock drill is finished, thereby ensuring that the sensors on the rock drill are not damaged in the current drilling process and continuing to operate in the subsequent drilling work.
2. A rock drill intelligent drilling method according to claim 1, characterized in that: in step S1, the sensor mounting structure is a stainless steel sensor fixing base, and the fixing base is provided with at least four sets of sensor fixing slots.
3. A rock drill intelligent drilling method according to claim 1, characterized in that: in step S3, during the operation test of the sensor, the drill bit and the drill rod of the rock drill are in an idle state.
4. A rock drill intelligent drilling method according to claim 1, characterized in that: in step S4, the drilling depth of the drill bit and the drill rod in the preliminary drilling exploration process is 5-8 meters.
5. A rock drill intelligent drilling method according to claim 1, characterized in that: still be provided with signal reception module on the organism of rock drill, signal reception module is used for receiving the wireless signal of wireless signal transmission module transmission, signal reception module includes WIFI antenna, LTE antenna, radio frequency switch, frequency divider and treater.
6. A rock drill intelligent drilling method according to claim 5, characterized in that: the radio frequency switch comprises a first input port, a second input port and a WIFI signal output port, the frequency divider comprises a third input port, a first output port and a second output port, the WIFI antenna is connected with the first input port, the LTE antenna is connected with the third input port, the first output port is connected with the second input port, and the frequency divider is used for separating the WIFI signal and the LTE signal in the signal received by the LTE antenna and outputting the separated WIFI signal and the separated LTE signal through the first output port and the second output port respectively.
7. A rock drill intelligent drilling method according to claim 1, characterized in that: in step S7, a storage medium is further disposed on the body of the rock drilling machine, the storage device is a solid state disk with a capacity of at least 100G, and the information during the drilling process is stored in the storage device.
8. A rock drill intelligent drilling method according to claim 1, characterized in that: in step S8, the process of servicing the drilling equipment also includes cleaning the associated sensors on the rock drill.
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| CN202010991238.0A CN112096272A (en) | 2020-09-20 | 2020-09-20 | Intelligent drilling method of rock drill |
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| CN202010991238.0A CN112096272A (en) | 2020-09-20 | 2020-09-20 | Intelligent drilling method of rock drill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116065952A (en) * | 2022-11-24 | 2023-05-05 | 沈阳工业大学 | Low-hole-site blasthole drilling rock drill and drilling positioning method thereof |
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| CN111648782A (en) * | 2020-06-16 | 2020-09-11 | 中铁十四局集团隧道工程有限公司 | Method for identifying stratum and adjusting tunneling parameters according to TBM (tunnel boring machine) self-vibration information |
| CN111722270A (en) * | 2020-06-29 | 2020-09-29 | 贵州省交通规划勘察设计研究院股份有限公司 | Short-distance advanced geological prediction method based on while-drilling monitoring equipment |
-
2020
- 2020-09-20 CN CN202010991238.0A patent/CN112096272A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101761328A (en) * | 2010-03-03 | 2010-06-30 | 北京科技大学 | Stratum geology interface instrument drilling induction recognition system |
| CN103674539A (en) * | 2013-12-24 | 2014-03-26 | 重庆大学 | Simulated drilling and testing device for rock and use method thereof |
| CN104793264A (en) * | 2015-04-03 | 2015-07-22 | 山东大学 | Geological condition real-time reflecting and advance detecting system and geological condition real-time reflecting and advanced detecting method applied to drilling rig |
| CN111648782A (en) * | 2020-06-16 | 2020-09-11 | 中铁十四局集团隧道工程有限公司 | Method for identifying stratum and adjusting tunneling parameters according to TBM (tunnel boring machine) self-vibration information |
| CN111722270A (en) * | 2020-06-29 | 2020-09-29 | 贵州省交通规划勘察设计研究院股份有限公司 | Short-distance advanced geological prediction method based on while-drilling monitoring equipment |
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| CN116065952A (en) * | 2022-11-24 | 2023-05-05 | 沈阳工业大学 | Low-hole-site blasthole drilling rock drill and drilling positioning method thereof |
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Application publication date: 20201218 |
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| RJ01 | Rejection of invention patent application after publication |