CN114293939B - Core drilling machine - Google Patents
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- CN114293939B CN114293939B CN202111638962.6A CN202111638962A CN114293939B CN 114293939 B CN114293939 B CN 114293939B CN 202111638962 A CN202111638962 A CN 202111638962A CN 114293939 B CN114293939 B CN 114293939B
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Abstract
The invention provides a core drilling machine, which belongs to the technical field of drilling machinery and comprises a drilling floor module, a drilling machine main body module and a driller control system, wherein the drilling machine main body module is fixedly connected to a construction site to be explored and is close to the drilling floor module, the drilling machine main body module has two states of standing and laying, the drilling machine main body module can be connected to the upper end of the drilling floor module when in the standing state, the drilling machine main body module is connected with a drill rod and is used for exploring uranium ore coring and rope drilling tool construction, an avoidance space suitable for avoiding drilling of the drilling machine main body module is formed in the drilling floor module, the drilling machine main body module adopts electric top drive drilling, and the driller control system is arranged on the drilling floor module and is suitable for controlling the operation of the drilling machine main body module. The core drilling machine provided by the invention has the technical effects of high automation degree in uranium ore exploration and later-stage rope drilling tool construction, high drilling power in an electric top drive mode, low labor intensity, high working efficiency and high drilling speed, and is suitable for drilling hard rock ores.
Description
Technical Field
The invention belongs to the technical field of drilling machinery, and particularly relates to a core drilling machine.
Background
Uranium ores are dangerous minerals with radioactive rays from which uranium can be extracted, and can be used in the nuclear industry, including military (nuclear ammunition) and civilian (nuclear power plants), from which radium and other rare elements can also be extracted. With the continuous development of nuclear power industry, the demand of China for natural uranium is continuously increased. For mineral resource exploration, especially hard rock exploration such as granite, volcanic rock, the quality of drilling equipment directly influences exploration efficiency.
The exploration drilling machine in the prior art has low automation degree, high drilling labor intensity and low working efficiency when the exploration uranium ores are cored and later-period rope drilling tools are constructed; the two technological requirements of common drilling and rope drilling tool construction cannot be met; the drilling machine has the advantages of insufficient power, low rotating speed and small torque; for some hard rock mining areas, the rig speed decreases as the hole depth reaches four and five hundred meters.
Disclosure of Invention
The invention aims to provide a core drilling machine, and aims to solve the technical problems of low automation degree and low power in the prior art of drilling machine exploration uranium ore coring and later-stage rope drilling tool construction.
In order to achieve the above purpose, the invention adopts the following technical scheme: there is provided a core drilling machine, comprising:
the drill floor module is fixedly connected to a construction site to be explored;
the drilling machine main body module is fixedly connected to a construction site to be explored and is close to the drilling floor module, the drilling machine main body module is in an upright state and a horizontal state and can be switched between the two states, the drilling machine main body module can be connected to the upper end of the drilling floor module when in the upright state, the drilling machine main body module is connected with a drill rod and used for exploration uranium ore coring and rope drilling tool construction, an avoidance space suitable for avoiding drilling of the drilling machine main body module is formed in the drilling floor module, and the drilling machine main body module adopts electric top drive drilling; and
and the driller control system is arranged on the drill floor module and is suitable for controlling the operation of the main body module of the drilling machine.
In one possible implementation, the drill floor module includes:
the driller control system is arranged at the upper end of the stand;
the stand box is connected to the upper end of the stand table and used for placing a drill rod, and the stand box is provided with anti-slip lines suitable for preventing the drill rod from slipping;
the ramp is connected to the side part of the stand table and is used for discharging the drill rod;
the two inclined ladders are connected to the side parts of the stand and are used for driller to go up and down the stand; and
the drilling tool screwing and unscrewing system is connected to the upper end of the stand, the drilling tool screwing and unscrewing system is used for being fixedly connected with the drilling tool main body module when the drilling tool main body module is in an upright state, and the drilling tool screwing and unscrewing system is detached from the drilling tool main body module, so that the drilling tool main body module can be switched to be in a flat state.
In one possible implementation, the drill body module includes:
the derrick is vertical;
the crown block comprises three groups of pulleys which are uniformly distributed at the upper part of the derrick and are used for guiding ropes;
the direct driving force head is connected to the middle part of the derrick, is connected with a drill rod and is used for electric top drive drilling and is used for providing power for drill rod drilling;
the manipulator system is connected to the middle part of the derrick, can move in a three-dimensional space and is used for moving the drill rod in a linear direction;
the direct-drive winch is connected to the lower part of the derrick, a steel wire rope connected with the crown block is wound on the direct-drive winch, and the direct-drive winch is used for lifting and lowering a drilling tool for construction;
the hydraulic system is connected to the lower part of the derrick and positioned behind the direct-drive winch and is used for providing a hydraulic source for hydraulic oil for the core drilling machine;
the electric control power distribution system is connected to the lower part of the derrick and positioned behind the hydraulic system and is a processing unit for the operation of the core drilling machine; and
and the direct-drive slurry pump is connected to the lower part of the derrick and positioned behind the electric control power distribution system and used for discharging slurry generated in the drilling process.
In one possible implementation manner, the drilling machine main body module further comprises a drilling machine background connected to a construction site to be explored, one side of the lower end of the derrick is hinged to the upper portion of one end of the drilling machine background, the derrick can rotate around the hinged portion and can be in an upright state or a flat state after rotating, the other side of the lower end of the derrick is used for being connected with the drilling floor module, and the direct-drive winch, the hydraulic system, the electric control distribution system and the direct-drive slurry pump are all arranged on the drilling machine background.
In one possible implementation, a plurality of ejector pins are connected to the upper end of the drilling machine background, the ejector pins are connected to the side part of the derrick, and the ejector pins are used for ejecting the derrick to rotate.
In one possible implementation manner, the stand is provided with a driller room, a pipe twisting machine and an operation box, the pipe twisting machine is used for twisting and disassembling a drill rod when a drilling tool is started and started, and the drill floor module and the drilling machine main body module are of detachable combined structures.
In one possible implementation manner, the derrick is a two-section sleeved mast derrick, a lifting device for driving the straight driving force head to lift is nested in the derrick, a guide rail, an oil cylinder and a racking platform are further arranged on the derrick, the straight driving force head slides on the guide rail to lift, the oil cylinder is used for providing power for the lifting device, the racking platform is used for placing a stand, and the straight driving force head drives the drill rod to drill in a pressurized mode by means of the lifting device after drilling.
In one possible implementation, the core drilling machine further comprises a remote monitoring system, the remote control system is in wireless communication connection with the driller control system and can perform video dialogue with each other, and the remote control system is suitable for controlling the operation of the drilling machine main body module.
In one possible implementation manner, the direct-driving force head adopts a rare earth permanent magnet synchronous variable frequency direct-driving motor as power, and is cooled in a water cooling mode, and the direct-driving force head and the direct-driving winch alternately operate; the direct-drive winch adopts a permanent magnet synchronous variable-frequency direct-drive motor as power, and the direct-drive slurry pump adopts a rare earth permanent magnet synchronous variable-frequency direct-drive motor as power;
the core drilling machine adopts two combined operation modes of hydraulic drilling and lifting of the direct-drive winch, and the lifting device is used for hydraulically pushing the direct-drive power head to drill so as to realize three drilling modes of pressurized drilling, reduced pressure drilling and floating drilling; when the underground accident is treated, the drilling tool is pulled up by means of the direct-drive winch or in linkage with the traveling block.
In one possible implementation, a lifter is provided on the stand, and the bottom of the driller's cabin is connected to the lifter, and the lifter is used for pushing the driller's cabin to lift.
The core drilling machine provided by the invention has the beneficial effects that: compared with the prior art, the core drilling machine comprises a drill floor module, a drilling machine main body module and a driller control system, wherein the drill floor module is fixedly connected to a construction site to be explored; the drilling machine main body module is fixedly connected to a construction site to be explored and is close to the drilling floor module, the drilling machine main body module is in an upright state and a flat state and can be switched between the two states, the drilling machine main body module can be connected to the upper end of the drilling floor module when in the upright state, the drilling machine main body module is connected with a drill rod and is used for exploration uranium ore coring and rope drilling tool construction, an avoidance space suitable for avoiding drilling of the drilling machine main body module is formed in the drilling floor module, the drilling machine main body module adopts electric top drive drilling, a driller control system is arranged on the drilling floor module and is suitable for controlling the operation of the drilling machine main body module, the technical problems of low automation degree and low power in the construction of the existing drilling machine exploration uranium ore coring and later rope drilling tools are solved, the automatic degree is high, the drilling power in an electric top drive mode is high, the labor intensity is reduced, the working efficiency is improved, and the drilling speed is high, and the drilling machine main body module is suitable for the technical effect of drilling hard rock ore.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural elevation view of a core drilling machine according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view at A-A in FIG. 1;
fig. 3 is a schematic structural plan view of a core drilling machine according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a main body module of a core drilling machine according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a drill floor module structure of a core drilling machine according to an embodiment of the present invention.
Reference numerals illustrate:
1. a drill floor module; 11. a stand; 12. a stand box; 13. a ramp; 14. an inclined ladder; 15. a drilling tool screwing and unscrewing system; 2. a drill body module; 21. a derrick; 22. a crown block; 23. a straight driving force head; 24. a manipulator system; 25. a direct-drive winch; 26. a hydraulic system; 27. an electric control power distribution system; 28. a direct drive mud pump; 29. a drilling machine background; 3. a driller control system; 4. ejector pins.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, a core drilling machine according to the present invention will now be described. The core drilling machine comprises a drilling floor module 1, a drilling machine main body module 2 and a driller control system 3, wherein the drilling floor module 1 is fixedly connected to a construction site to be explored; the drilling machine main body module 2 is fixedly connected to a construction site to be explored and is close to the drilling floor module 1, the drilling machine main body module 2 has two states of standing and leveling and can be switched between the two states, the drilling machine main body module 2 can be connected to the upper end of the drilling floor module 1 when in the standing state, the drilling machine main body module 2 is connected with a drill rod and used for exploration uranium ore coring and rope drilling tool construction, an avoidance space suitable for avoiding drilling of the drilling machine main body module 2 is formed in the drilling floor module 1, and the drilling machine main body module 2 adopts electric top drive drilling; the driller control system 3 is arranged on the drill floor module 1 and is suitable for controlling the operation of the drill main body module 2.
Compared with the prior art, the core drilling machine provided by the invention has the advantages that the drill floor module 1 is fixedly connected to a construction site to be explored; the drilling machine main body module 2 is fixedly connected to a construction site to be explored and is close to the drilling floor module 1, the drilling machine main body module 2 is in an upright state and a flat state and can be switched between the two states, the drilling machine main body module 2 can be connected to the upper end of the drilling floor module 1 when in the upright state, the drilling machine main body module 2 is connected with a drill rod and is used for exploration uranium ore coring and rope drilling tool construction, an avoidance space suitable for avoiding drilling of the drilling machine main body module 2 is formed in the drilling floor module 1, the drilling machine main body module 2 adopts electric top drive drilling, the driller control system 3 is arranged on the drilling floor module 1 and is suitable for controlling the operation of the drilling machine main body module 2, the technical problems of low automation degree and low power in the construction of the existing drilling machine exploration uranium ore coring and later-stage rope drilling tool are solved, the automatic degree is high during exploration uranium ore coring and later-stage rope drilling tool construction, the electric top drive drilling power is high, the labor intensity is reduced, the working efficiency is improved, and the rotating speed is high, and the drilling machine main body module is suitable for drilling hard rock ore.
In some embodiments, referring to fig. 1-5, the drill floor module 1 comprises a stand 11, a stand box 12, a ramp 13, two ramps 14 and a drill screwing and unscrewing system 15, the driller's control system 3 being disposed at the upper end of the stand 11; the stand box 12 is connected to the upper end of the stand table 11 and is used for placing a drill rod, and the stand box 12 is provided with anti-slip lines suitable for the anti-slip of the drill rod; the ramp 13 is connected to the side of the stand 11 for discharging the drill rod; the two inclined ladders 14 are connected to the side parts of the stand 11 and are used for drillers to go up and down the stand 11; the drilling tool screwing and unscrewing system 15 is connected to the upper end of the stand 11, the drilling tool screwing and unscrewing system 15 is fixedly connected with the drilling tool main body module 2 when the drilling tool main body module 2 is in an upright state, and the drilling tool main body module 2 can be switched to be in a flat state after the drilling tool screwing and unscrewing system 15 is detached from the drilling tool main body module 2.
Specifically, the stand box 12 is integrally made of nylon plates, and has the advantages of long service life, skid resistance, self lubrication and the like. Compared with the traditional hydraulic pipe twisting machine, the drilling tool screwing and unscrewing system 15 omits a screwing and unscrewing device, improves screwing and unscrewing efficiency, improves a sealing structure, prevents mud from entering the inside of the pipe twisting machine, and greatly improves service life.
In one possible implementation, the drill body module 2 includes a derrick 21, a crown 22, a direct drive head 23, a manipulator system 24, a direct drive winch 25, a hydraulic system 26, an electric control distribution system 27, and a direct drive mud pump 28, where the derrick 21 is disposed vertically; the crown block 22 comprises three groups of pulleys which are uniformly distributed on the upper part of the derrick 21 and are used for guiding ropes; the straight driving force head 23 is connected to the middle part of the derrick 21, and the straight driving force head 23 is connected with a drill rod and is used for providing power for drilling of the drill rod; the manipulator system 24 is connected to the middle part of the derrick 21, and the manipulator system 24 can move in a three-dimensional space and is used for moving a drill rod in a straight line direction, so that no racking platform is needed for normal drilling; the direct-drive winch 25 is connected to the lower part of the derrick 21, a steel wire rope connected with the crown block 22 is wound on the direct-drive winch 25, and the direct-drive winch 25 is used for lifting and lowering a drilling tool for construction; the hydraulic system 26 is connected to the lower part of the derrick 21 and is positioned behind the direct-drive winch 25 and is used for providing a hydraulic source for hydraulic oil for the core drilling machine; the electric control power distribution system 27 is connected to the lower part of the derrick 21 and is positioned behind the hydraulic system 26 and is a processing unit for the core drilling machine to run; a direct drive mud pump 28 is connected to the lower part of the derrick 21 and is located behind the electric control distribution system 27 for discharging mud generated during drilling. The drilling tool screwing and unscrewing system 15, the manipulator system 24, the electric control power distribution system 27 and the direct-drive slurry pump 28 all adopt products in the prior art, and can realize corresponding actions.
Specifically, after the direct drive winch 25 is used, the transmission and the transmission belt of the intermediate gearbox are omitted, and the efficiency is improved by 10%. The low-speed and high-torque characteristic of the direct-drive motor ensures the lifting capacity of the winch. In particular, the winch can still output rated tension at zero speed, which is significant for handling the accident of the underground drilling tool.
Specifically, the hydraulic system 26 adopts hydraulic pressure to drill, and three drilling modes of pressurized drilling, depressurized drilling and floating drilling can be realized. When the underground accident is treated, the drilling tool can be lifted by the lifting oil cylinder and also can be lifted by the linkage of the traveling block, so that the capability of treating the underground drilling tool accident is enhanced.
Specifically, the rotor of the motor of the direct-drive slurry pump 28 is made of rare earth permanent magnet material, excitation is not needed, and the operation is stable and reliable; the L-shaped integral forging pump head not only maintains the advantage of easy replacement of vulnerable parts, but also improves the pressure-resistant safety of the pump head, eliminates casting air holes and sand holes, and avoids the phenomena of water penetration and cylinder pricking; the rear cylinder sleeve structure is adopted, so that the disassembly and the assembly are very convenient.
The driller control system 3 realizes man-machine interface control, remarkably reduces the labor intensity of the driller, and simultaneously realizes miniaturization and intellectualization of driller control.
In one possible implementation manner, the drill main body module 2 further comprises a drill background 29 connected to a site to be surveyed and constructed, one side of the lower end of the derrick 21 is hinged to the upper part of one end of the drill background 29, the derrick 21 can rotate around the hinge and can be in an upright state or a flat state after rotating, the other side of the lower end of the derrick 21 is used for being connected with the drill floor module 1, and the direct-drive winch 25, the hydraulic system 26, the electric control distribution system 27 and the direct-drive mud pump 28 are all arranged on the drill background 29. The drill rig floor 29 is intended to be supported on the ground at the same level as the drill floor module 1. It will be appreciated that the drill floor module 1 acts to support the derrick 21, improving stability and preventing instability during drilling.
In one possible implementation, a plurality of ejector pins 4 are connected to the upper end of the drill stage 29, the ejector pins 4 are connected to the side of the derrick 21, and the ejector pins 4 are used to eject the derrick 21 for rotation. The ejector rod 4 is a hydraulic push rod or a hydraulic telescopic oil cylinder, and is communicated with the hydraulic system 16 through a pipeline, and the hydraulic system 26 provides hydraulic power to the ejector rod 4, so that the telescopic action of the ejector rod 4 can be realized, and the rotation angle of the derrick 21 is further adjusted. Normally, the derrick 21 has a rotation angle of 0 to 90 °, and the jack 4 is extended and retracted to switch between the upright state and the flat state. In the present embodiment, the number of ejector pins 4 is 2.
In one possible implementation, the stand 11 is provided with a driller room, a pipe twisting machine and an operation box, wherein the pipe twisting machine is used for twisting and disassembling a drill rod when a drilling tool is started and stopped, and the drill floor module 1 and the drill body module 2 are of a detachable combined structure. The driller room, the pipe twisting machine and the operation box all adopt products in the prior art, and the functions and the roles realized by the driller room, the pipe twisting machine and the operation box can be the same as those in the prior art and are not repeated here. The detachable combined structure can be integrally hoisted and transported, and the two modules can be disassembled respectively for separate transportation in long-distance transportation, so that the transportation requirements of roads and railways are met. The drilling machine adopts a digital detection technology, and can remotely monitor, store, and remotely transmit data such as hole depth, bit position, hook load, bit weight, traveling block height, pump pressure, pump quantity, rotating speed, torque and the like.
In order to realize lifting of the straight driving force head 23 and drive the drill rod to drill, in one possible implementation manner, the derrick 21 is a two-section sleeved mast derrick 21, a lifting device for driving the straight driving force head 23 to lift is nested inside the derrick 21, a guide rail, an oil cylinder and a racking platform are further arranged on the derrick 21, the straight driving force head 23 slides and lifts on the guide rail, the oil cylinder is used for providing power for the lifting device, the racking platform is used for placing a stand, and the drill rod can be pressurized and drilled by the lifting device after being driven by the straight driving force head 3. The lifting device is pushed by an oil cylinder, the lifting device pushes the straight driving force head 23, the straight driving force head 23 pushes the drill rod to drill, the oil cylinder is communicated with the hydraulic system 26 through a pipeline, and the hydraulic system 26 is used for pumping hydraulic oil onto the oil cylinder and providing driving power. The drill rod is driven to drill through the direct driving force head 3, and the direct driving force head 3 is driven to continuously drill through the lifting device in the later period, so that two operation modes of electric drilling and hydraulic drilling are realized, the pressurizing and depressurizing functions in the electric top driving drilling process can be realized, the advantages of the electric direct driving winch 25 can be fully exerted when the drilling tool is started and started during construction, and the construction efficiency of the drilling tool is greatly improved.
Specifically, the lifting device may be a lifting push rod or a hydraulic push rod in the prior art, or may be directly communicated with the hydraulic system 26, and hydraulic oil and power are provided to the lifting device through the hydraulic system 26, and the lifting device may not be driven by an oil cylinder.
In order to enable remote control and video communication session of the core drilling machine, in one possible implementation, the core drilling machine further comprises a remote monitoring system (not shown in the figure), which is connected in wireless communication with the driller's control system 3 and can communicate with each other in video, the remote control system being adapted to control the operation of the drill body module 2. The remote monitoring system comprises a mobile terminal, the mobile terminal and the driller control system 3 can be in wireless communication connection through a network such as 4G, and the action process and the remote control of the drilling machine can be seen on the mobile terminal.
In one possible implementation manner, the direct-driving force head 23 adopts a rare earth permanent magnet synchronous variable frequency direct-driving motor as power, and is cooled in a water cooling mode, so that the direct-driving force head 23 and the direct-driving winch 25 alternately operate; the direct-drive winch 25 adopts a permanent magnet synchronous variable-frequency direct-drive motor as power, and the direct-drive slurry pump 28 adopts a rare earth permanent magnet synchronous variable-frequency direct-drive motor as power. The drilling mode adopts an electric and direct-drive technology, and can realize the technical effects of safety, high efficiency and intelligence. The core drilling machine integrates mechanical, electrical, hydraulic and digital technologies, realizes automation of single joint actions, and reserves an unmanned operation interface of a racking platform. After the drilling machine is scaled, remote transmission and video communication of drilling machine parameters can be realized, remote monitoring of the drilling machine is realized, the fault rate of the drilling machine is reduced, the production efficiency is improved, and finally the intelligent drilling machine is completed. The invention relates to a novel design XD-10DK modular electric top drive drilling machine, which meets various requirements of the common drilling coring and later rope coring construction of exploration uranium ores.
After the straight driving force head 23 is adopted, a high-fault gearbox structure is eliminated, and the equipment fault rate is greatly reduced; the drilling machine has the opening and closing functions, and realizes two line operations of drilling and tripping, thereby ensuring the controllability of drilling operation and the high efficiency of tripping.
In one possible implementation, the stand 11 is provided with a lifter, to which the bottom of the driller's cabin is connected, for pushing the driller's cabin up and down. The lifter is a lifter in the prior art, and is generally a hydraulic lifting mode, and is driven by hydraulic pressure to communicate with a hydraulic system 26 through a pipeline, so that lifting can be realized by pumping hydraulic oil into the lifter.
The drilling machine adopts two operation modes of hydraulic drilling and winch lifting, and can realize the functions of pressurization and depressurization in the top drive drilling process; and the advantages of the electric winch can be fully exerted when the drilling tool is started and started, so that the drilling and starting efficiency is greatly improved. The integral structure of the drill floor module 1 is completed by taking the stand table as a whole during storage and transportation, so that the storage and transportation space can be effectively saved, and the storage and transportation cost can be reduced; through the lifting of the lifter, the driller chamber can be lifted up and down, and the whole lifting process is safe, rapid and stable.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. A core drilling machine, comprising:
the drill floor module is fixedly connected to a construction site to be explored;
the drilling machine main body module is fixedly connected to a construction site to be explored and is close to the drilling floor module, the drilling machine main body module is in an upright state and a horizontal state and can be switched between the two states, the drilling machine main body module can be connected to the upper end of the drilling floor module when in the upright state, the drilling machine main body module is connected with a drill rod and used for exploration uranium ore coring and rope drilling tool construction, an avoidance space suitable for avoiding drilling of the drilling machine main body module is formed in the drilling floor module, and the drilling machine main body module adopts electric top drive drilling; and
the driller control system is arranged on the drill floor module and is suitable for controlling the operation of the main body module of the drilling machine;
the drill floor module includes:
the driller control system is arranged at the upper end of the stand;
the stand box is connected to the upper end of the stand table and used for placing a drill rod, and the stand box is provided with anti-slip lines suitable for preventing the drill rod from slipping;
the ramp is connected to the side part of the stand table and is used for discharging the drill rod;
the two inclined ladders are connected to the side parts of the stand and are used for driller to go up and down the stand; and
the drilling tool screwing and unscrewing system is connected to the upper end of the stand, and is fixedly connected with the drilling machine main body module when the drilling machine main body module is in an upright state;
the drill body module includes:
the derrick is vertical;
the crown block comprises three groups of pulleys which are uniformly distributed at the upper part of the derrick and are used for guiding ropes;
the direct driving force head is connected to the middle part of the derrick, is connected with a drill rod and is used for electric top drive drilling and is used for providing power for drill rod drilling;
the manipulator system is connected to the middle part of the derrick, can move in a three-dimensional space and is used for moving the drill rod in a linear direction;
the direct-drive winch is connected to the lower part of the derrick, a steel wire rope connected with the crown block is wound on the direct-drive winch, and the direct-drive winch is used for lifting and lowering drilling tools for construction;
the hydraulic system is connected to the lower part of the derrick and positioned behind the direct-drive winch and is used for providing a hydraulic source for hydraulic oil for the core drilling machine;
the electric control power distribution system is connected to the lower part of the derrick and positioned behind the hydraulic system and is a processing unit for the operation of the core drilling machine; and
the direct-drive slurry pump is connected to the lower part of the derrick and positioned behind the electric control power distribution system and used for discharging slurry generated in the drilling process;
the pipe twisting machine is used for twisting and disassembling a drill rod during the construction of a lifting drilling tool, and the drill floor module and the drill body module are of a detachable combined structure;
the derrick is a two-section sleeved mast derrick, a lifting device for driving the straight driving force head to lift is nested in the derrick, a guide rail, an oil cylinder and a racking platform are further arranged on the derrick, the straight driving force head slides on the guide rail to lift, the oil cylinder is used for providing power for the lifting device, the racking platform is used for placing a stand, and the straight driving force head can be used for pressurized drilling by virtue of the lifting device after driving a drill rod to drill;
the direct-driving force head adopts a rare earth permanent magnet synchronous variable-frequency direct-driving motor as power, and is cooled in a water cooling mode, and the direct-driving force head and the direct-driving winch alternately operate; the direct-drive winch adopts a permanent magnet synchronous variable-frequency direct-drive motor as power, and the direct-drive slurry pump adopts a rare earth permanent magnet synchronous variable-frequency direct-drive motor as power;
the core drilling machine adopts two combined operation modes of hydraulic drilling and lifting of the direct-drive winch, and the lifting device is used for hydraulically pushing the direct-drive power head to drill so as to realize three drilling modes of pressurized drilling, reduced pressure drilling and floating drilling; when the underground accident is treated, the drilling tool is pulled up by means of the direct-drive winch or in linkage with the traveling block;
the stand is provided with a lifter, the bottom of the driller room is connected to the lifter, and the lifter is used for pushing the driller room to lift.
2. The core drilling machine as recited in claim 1, further comprising a drilling machine background connected to the site to be surveyed, wherein one side of the lower end of the derrick is hinged to the upper part of one end of the drilling machine background, the derrick can rotate around the hinge and can be in an upright state or a flat state after rotating, the other side of the lower end of the derrick is used for being connected with the drill floor module, and the direct-drive winch, the hydraulic system, the electric control distribution system and the direct-drive slurry pump are all arranged on the drilling machine background.
3. The core drilling machine as recited in claim 2, wherein a plurality of ejector pins are connected to an upper end of the back end of the machine, the ejector pins being connected to the side of the derrick, the ejector pins being configured to eject the derrick for rotation.
4. The core drilling machine of claim 1, further comprising a remote monitoring system in wireless communication with the driller control system and capable of video interaction with each other, the remote monitoring system being adapted to control operation of the drill body module.
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| CN202111638962.6A CN114293939B (en) | 2021-12-29 | 2021-12-29 | Core drilling machine |
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| CN202111638962.6A CN114293939B (en) | 2021-12-29 | 2021-12-29 | Core drilling machine |
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| CN114293939A CN114293939A (en) | 2022-04-08 |
| CN114293939B true CN114293939B (en) | 2023-09-12 |
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| CN202111638962.6A Active CN114293939B (en) | 2021-12-29 | 2021-12-29 | Core drilling machine |
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| CN109296310A (en) * | 2018-11-21 | 2019-02-01 | 梁立明 | Core top direct drive type drilling device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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