CN113982479B - Hybrid power type vehicle-mounted drilling machine and use method thereof - Google Patents
Hybrid power type vehicle-mounted drilling machine and use method thereof Download PDFInfo
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- CN113982479B CN113982479B CN202111190815.7A CN202111190815A CN113982479B CN 113982479 B CN113982479 B CN 113982479B CN 202111190815 A CN202111190815 A CN 202111190815A CN 113982479 B CN113982479 B CN 113982479B
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- 238000005553 drilling Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims abstract description 6
- 230000005012 migration Effects 0.000 claims abstract description 6
- 238000013508 migration Methods 0.000 claims abstract description 6
- 238000005461 lubrication Methods 0.000 claims description 15
- 230000000007 visual effect Effects 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/022—Top drives
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The application discloses a hybrid power type vehicle-mounted drilling machine and a method, wherein the hybrid power type vehicle-mounted drilling machine comprises a chassis migration system, a feeding system, an electric drive rotation and orifice system, an auxiliary system, a low-flow hydraulic pump station and a control system; the feeding system, the electric drive rotation and orifice system and the control system are in a modularized design and are integrally arranged on the chassis transportation system, so that quick assembly and disassembly and independent transportation can be realized, the maintenance is convenient, and the weight and the height of the drilling machine are reduced. According to the vehicle-mounted drilling machine, liquid and electric hybrid driving is adopted, on one hand, the vehicle-mounted diesel engine is switched by power to provide power for the small-flow hydraulic pump station, no additional power is needed, the work of a stable supporting leg and an auxiliary system is driven, the power of a chassis is effectively utilized, and the number of electric driving execution mechanisms is simplified; on the other hand, the control system realizes remote and accurate control on the electric drive intelligent supporting plate, the direct drive type electric top drive and the electric drive intelligent orifice platform, and improves transmission efficiency.
Description
Technical Field
The application belongs to the technical field of drilling equipment, and particularly relates to a hybrid power type vehicle-mounted drilling machine and a using method thereof.
Background
The vehicle-mounted drilling machine has the advantages that the main power system, the control system and the actuating mechanism are integrated on the automobile chassis, the transfer transportation is convenient, the drilling preparation time is short, and the vehicle-mounted drilling machine is widely applied to coal bed gas extraction holes, water wells, ventilation shafts, cable wells, large-diameter rescue wells and the like. At present, both domestic and foreign vehicle-mounted drilling rigs are driven by a diesel engine, the vehicle-mounted diesel engine drives an automobile chassis, and an upper diesel engine drives a hydraulic system to provide power for a drilling rig executing mechanism, and the vehicle-mounted diesel engine is in a vacant state except in a running state and consumes large power in main working procedures such as rotation, feeding, pulling, breaking out and the like of the drilling rig. Meanwhile, due to the fact that the road condition of the entering field of part of drilling sites is poor, the existing vehicle-mounted drilling machine can meet the drilling requirements in function, but the problems of overlarge overall dimension and servicing quality of the drilling machine exist, transportation safety is lowered, and the trafficability of the vehicle-mounted drilling machine is limited. In the use, current on-vehicle rig adopts hydraulic drive, and the control panel is installed on vehicle chassis, and is nearer to the drill way, and degree of automation is lower, and operational environment is relatively poor, is unfavorable for security and the travelling comfort of drilling site construction, and operating personnel intensity of labour is big. The problems limit the application range of the vehicle-mounted drilling machine to a certain extent, and are not beneficial to popularization and development of related technologies and equipment.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the application provides a hybrid power type vehicle-mounted drilling machine and a use method thereof, and the defects of low transmission efficiency, high use cost, poor environmental protection, limited trafficability, poor safety and comfort of drilling sites, high labor intensity and the like of the conventional vehicle-mounted drilling machine are overcome.
In order to achieve the above purpose, the application adopts the following technical scheme:
the hybrid power type vehicle-mounted drilling machine comprises a chassis migration system and is characterized by further comprising a feeding system, an electric drive rotation and orifice system, an auxiliary system, a small-flow hydraulic pump station and a control system;
the chassis migration system comprises a vehicle-mounted chassis, a front frame and a rear frame which are arranged on the vehicle-mounted chassis, a vehicle-mounted diesel engine arranged under the vehicle-mounted chassis, a front stable supporting leg and a rear stable supporting leg which can support and level the vehicle-mounted chassis, and the feeding system comprises a feeding mast and a long-stroke rack fixed on the feeding mast; the rear end of the feeding mast is hinged with the rear frame, and the lower end of the feeding mast is hinged with a diagonal bracing cylinder connected to the vehicle-mounted chassis; the electric drive rotation and orifice system comprises an electric drive intelligent supporting plate arranged on a long-stroke rack, a direct drive type electric top drive arranged on the electric drive intelligent supporting plate and an electric drive intelligent orifice platform arranged at the end part of the feeding mast and opposite to the direct drive type electric top drive; the auxiliary system comprises an auxiliary winch arranged at the front end of the feeding mast, a centralized lubrication mechanism, a towing mechanism and an intelligent slurry manifold mechanism which are arranged on the vehicle-mounted chassis;
the small-flow hydraulic pump station is arranged below the vehicle-mounted chassis and is connected with the vehicle-mounted diesel engine, the vehicle-mounted diesel engine can provide power for the small-flow hydraulic pump station through power switching so as to hydraulically drive the front stable support leg, the rear stable support leg, the inclined strut oil cylinder and the auxiliary system, and the control system can electrically drive and remotely control the electric drive rotation and the orifice system to realize the hydraulic-electric hybrid driving of the vehicle-mounted drilling machine.
The application also comprises the following technical characteristics:
optionally, in the chassis transporting system, the front frame and the rear frame are symmetrically arranged on two sides of a spandrel girder of the vehicle chassis respectively, the front stable supporting leg is arranged in the middle of the spandrel girder of the vehicle chassis, and the rear stable supporting leg is arranged at the rear part of the spandrel girder of the vehicle chassis.
Optionally, in the feeding system, the feeding mast is a steel welding structure, and provides a reaction force of pulling-in force and torque for drilling operation; the front part of the feeding mast is contacted with the front frame during transportation, and the inclined strut oil cylinder, the rear frame and the feeding mast form a stable triangle fixing structure; the length of the long-stroke rack is greater than the sum of the length of the drill rod and the length of the electric drive intelligent supporting plate.
Optionally, in the electric drive rotation and orifice system, the electric drive intelligent supporting plate comprises a supporting plate body positioned on the long-stroke rack, and a driving unit, a braking mechanism and a top drive center height adjusting mechanism which are arranged on the supporting plate body;
the driving unit comprises a driving gear meshed with the long-stroke rack and a driving motor for transmitting torque to the driving gear through a reduction gearbox, so that the whole electric drive intelligent supporting plate moves along the length direction of the feeding mast; the braking mechanism adopts a normally closed principle, can act together with the braking of the driving motor, and realizes accurate and reliable braking of the electrically driven intelligent supporting plate in the moving process; the top drive center height adjusting mechanism is arranged between the supporting plate body and the direct drive type electric top drive to adjust the direct drive type electric top drive height according to the center height of the electric drive intelligent orifice platform.
Optionally, the direct-drive electric top drive comprises a permanent magnet motor, a main shaft connected with the permanent magnet motor and a buffer unit arranged on the main shaft; the main shaft is provided with a large-diameter through hole, and a band-type brake mechanism is arranged in the large-diameter through hole so as to have a main shaft braking function; the buffer unit can protect the permanent magnet motor from impact generated in the drilling process.
Optionally, the electrically driven intelligent orifice platform comprises an orifice platform body with a central through hole, a shackle arranged on the orifice platform body and coaxial with the central through hole of the orifice platform body, an orifice opening diameter adjusting mechanism arranged on the orifice platform body and an orifice central height adjusting mechanism arranged between the orifice platform body and the feeding mast.
Optionally, the control system comprises a power transformation box, an electric control box and a starting cabinet which are arranged at the front part of the vehicle-mounted chassis, and a visual remote control vehicle;
the transformer box can convert the voltage of the drilling field into the working voltage of the motors used by the electric driving intelligent supporting plate, the direct driving electric top driving intelligent orifice platform and the electric driving intelligent orifice platform, the output parameters of the motors are controlled through the electric control box, the starting cabinet realizes the starting and stopping of the control system, and the visual remote control vehicle and the vehicle-mounted drilling machine keep a distance and can be placed at any position of the drilling field.
The control system can calculate the feeding pulling-out speed and the feeding pulling-out force of the direct-drive electric top drive according to the output rotating speed of the driving motor, the reference circle diameter of the driving gear, the torque and the quantity of the driving motor, and accurately control according to requirements.
Optionally, an auxiliary winch in the auxiliary system is used for auxiliary transportation and installation of the drilling tool and the drilling machine component at the construction site; the centralized lubrication mechanism provides continuous lubrication for the rotary and linear reciprocating parts of the drilling machine, and ensures the performance of the kinematic pair; the towing mechanism realizes the dragging and the winding of the power and control cables; the intelligent slurry manifold mechanism can control the on-off, flow and pressure of the hole bottom medium of the vehicle-mounted drilling machine according to the conditions of drilling pressure, rotating speed and slag reflection of the drilling machine.
Optionally, the low-flow hydraulic pump station comprises a power takeoff, a universal shaft, a transmission flange, a fixed bracket and a hydraulic pump; one end of the power takeoff is connected with the vehicle diesel engine, the other end of the power takeoff is connected with the universal shaft, the universal shaft is connected with the transmission flange, the transmission flange is connected with the hydraulic pump, the hydraulic pump is arranged on the fixed bracket, and the fixed bracket is arranged under the vehicle chassis;
the small-flow hydraulic pump station can provide a high-pressure oil source for the auxiliary winch, the centralized lubrication mechanism, the towing mechanism and the intelligent slurry manifold mechanism in the front stable supporting leg, the rear stable supporting leg and the auxiliary system, and drives the hydraulic cylinder of the front stable supporting leg and the rear stable supporting leg, the hydraulic motor of the auxiliary winch, the hydraulic motor of the centralized lubrication mechanism and the hydraulic motor of the towing mechanism, and each hydraulic execution loop controls the running direction and speed through an electric control reversing valve and a one-way valve; when the vehicle-mounted drilling machine drives to the appointed hole site, the vehicle-mounted diesel engine provides power for the low-flow hydraulic pump station through power switching.
The construction method of the hybrid vehicle-mounted drilling machine is realized by the hybrid vehicle-mounted drilling machine and comprises the following steps of:
step 1, after a vehicle-mounted drilling machine arrives at a site, determining a hole site and a drilling machine placing position, switching power of a vehicle-mounted diesel engine to a low-flow hydraulic pump station, and hydraulically driving and controlling hydraulic cylinders of a front stable supporting leg and a rear stable supporting leg to stretch and retract so as to level and stabilize a vehicle-mounted chassis;
step 2, driving a diagonal bracing cylinder, standing a feeding mast, matching an auxiliary winch with field lifting equipment, lifting and assembling a direct-drive electric top drive, an electric intelligent orifice platform, a towing rope mechanism and an intelligent slurry manifold mechanism which are independently transported to corresponding parts of a vehicle-mounted drilling machine, and plugging a control cable interface; the visual remote control vehicle is connected with the vehicle-mounted drilling machine main body through a cable;
step 3, inputting instructions on a visual remote control vehicle according to drilling design requirements, electrically driving and remotely controlling an electric drive rotary and orifice system, controlling an orifice center height adjusting mechanism and an orifice opening diameter adjusting mechanism to automatically adjust the height h1 of a center through hole of an orifice platform body and the upper end surface of a feed mast and the orifice opening diameter phi, and enabling a top drive center height adjusting mechanism to adjust the height h2 of the center of a main shaft and the upper end surface of the feed mast to enable h2 = h1;
and 4, the direct-drive electric top drive, the automatic shackle device and the auxiliary winch are matched to complete the installation of the first drill rod and the drill bit, and the tapping operation is carried out.
Compared with the prior art, the application has the beneficial technical effects that:
according to the vehicle-mounted drilling machine, liquid and electric hybrid driving is adopted, on one hand, the vehicle-mounted diesel engine is switched by power to provide power for the small-flow hydraulic pump station, no additional power is needed, the work of a stable supporting leg and an auxiliary system is driven, the power of a chassis is effectively utilized, and the number of electric driving execution mechanisms is simplified; on the other hand, the control system realizes remote and accurate control on the electric drive intelligent supporting plate, the direct drive type electric top drive and the electric drive intelligent orifice platform, and improves transmission efficiency. By combining with different matched equipment, the construction of coal bed gas extraction holes, water wells, ventilation shafts, cable wells, large-diameter rescue wells and the like is realized.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the hybrid vehicle-mounted drilling machine.
Fig. 2 is an enlarged view of a portion of an electrically driven intelligent pallet and a direct drive electric top drive according to the present application.
Fig. 3 is a partial enlarged view of the electrically driven intelligent orifice platform of the present application.
FIG. 4 is an enlarged schematic view of a portion of a low-flow hydraulic pump station of the present application.
Fig. 5 is a schematic diagram of a control system according to the present application.
Reference numerals meaning:
11. the vehicle-mounted chassis 12, a front frame 13, a rear frame 14, a vehicle-mounted diesel engine 15, a front stable supporting leg 16, a rear stable supporting leg 17 and a diagonal bracing oil cylinder; 21. feed mast, 22. Long travel rack; 31. an electric drive intelligent supporting plate 32, a direct drive type electric top drive 33, an electric drive intelligent orifice platform; 311. the device comprises a supporting plate body 312, a braking mechanism 313, a top drive center height adjusting mechanism 314, a driving gear 315, a reduction gearbox 316 and a driving motor; 321. the permanent magnet motor, 322, the main shaft, 323, the buffer unit; 331. orifice platform body, 332, shackle, 333, orifice opening diameter adjustment mechanism, 334, orifice center height adjustment mechanism; 41. the auxiliary winch, 42, the centralized lubrication mechanism, 43, the towing mechanism, 44, the intelligent slurry manifold mechanism; 51. the power transformation box, 52, the electric control box, 53, the starting cabinet, 54, the visual remote control car; 61. the power takeoff, 62, the universal shaft, 63, the transmission flange, 64, the fixed bracket and 65, the hydraulic pump.
The application is described in detail below with reference to the drawings and the detailed description.
Detailed Description
The following specific embodiments of the present application are given according to the above technical solutions, and it should be noted that the present application is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solutions of the present application fall within the protection scope of the present application. The present application will be described in further detail with reference to examples.
Example 1:
the embodiment provides a hybrid power type vehicle-mounted drilling machine, which comprises a chassis migration system, a feeding system, an electric drive rotation and orifice system, an auxiliary system, a small-flow hydraulic pump station and a control system; the feeding system, the electric drive rotation system, the orifice system and the control system are in a modularized design and are integrally arranged on the chassis transportation system, so that quick assembly and disassembly and independent transportation can be realized.
The chassis transfer system comprises a vehicle-mounted chassis 11, a front frame 12 and a rear frame 13 which are arranged on the vehicle-mounted chassis 11, a vehicle-mounted diesel engine 14 which is arranged under the vehicle-mounted chassis 11, and a front stable supporting leg 15 and a rear stable supporting leg 16 which can support and level the vehicle-mounted chassis 11; the feed system comprises a feed mast 21 and a long travel rack 22 fixed on the feed mast 21; the rear end of the feeding mast 21 is hinged with the rear frame 13, and the lower end of the feeding mast 21 is hinged with a diagonal bracing cylinder 17 connected to the vehicle-mounted chassis 11; the electric drive rotation and orifice system comprises an electric drive intelligent supporting plate 31 arranged on the long-stroke rack 22, a direct drive type electric top drive 32 arranged on the electric drive intelligent supporting plate 31 and an electric drive intelligent orifice platform 33 arranged at the end part of the feed mast 21 and opposite to the direct drive type electric top drive 32; the accessory system includes an auxiliary winch 41 provided at the front end of the feed mast 21, a centralized lubrication mechanism 42 provided on the vehicle chassis 11, a streamer mechanism 43, and an intelligent mud manifold mechanism 44.
The small-flow hydraulic pump station is arranged under the vehicle-mounted chassis and is connected with the vehicle-mounted diesel engine 14, the vehicle-mounted diesel engine 14 can provide power for the small-flow hydraulic pump station through power switching so as to hydraulically drive the front stable supporting leg 15, the rear stable supporting leg 16, the inclined strut oil cylinder 17 and the auxiliary system, and the control system can electrically drive and remotely control the electric drive rotation and the orifice system to realize the hydraulic-electric hybrid driving of the vehicle-mounted drilling machine.
The front frame 12 and the rear frame 13 are symmetrically arranged on two sides of a spandrel girder of the vehicle-mounted chassis 11 respectively, a front stable supporting leg 15 is arranged in the middle of the spandrel girder of the vehicle-mounted chassis 11, and a rear stable supporting leg 16 is arranged at the rear part of the spandrel girder of the vehicle-mounted chassis 11; when the drilling machine works, the front stable supporting leg and the rear stable supporting leg extend out to bear the dead weight of the drilling machine and level.
The feeding mast 21 is a steel welding structure, has the characteristics of high rigidity and strength, is a main bearing component of the drilling machine, and provides a reaction force of pulling-in force and torque for drilling operation; the front part of the feeding mast 21 contacts with the front frame 12 during transportation, and the inclined support cylinder 17 forms a stable triangle fixing structure with the rear frame 13 and the feeding mast 21; the rack length of the long travel rack 22 is greater than the sum of the length of the drill rod and the length of the electrically driven intelligent pallet 31.
In the electric drive rotation and orifice system, the electric drive intelligent pallet 31 comprises a pallet body 311 positioned on the long travel rack 22, and a drive unit, a brake mechanism 312 and a top drive center height adjustment mechanism 313 provided on the pallet body 311.
The driving unit comprises a driving gear 314 meshed with the long-stroke rack 22 and a driving motor 316 for transmitting torque to the driving gear 314 through a reduction gearbox 315, so that the whole electric drive intelligent supporting plate 31 moves along the length direction of the feeding mast 21, and the number of the driving motors can be selected according to the feeding and pulling capacity and the stress balance of the drilling machine; the braking mechanism 312 adopts a normally closed principle, can act together with the braking of the driving motor 316, and realizes accurate and reliable braking of the electrically-driven intelligent supporting plate 31 in the moving process; the top drive center height adjustment mechanism 313 is disposed between the pallet body 311 and the direct drive type electric top drive 32 to adjust the height of the direct drive type electric top drive 32 according to the center height of the electric intelligent orifice platform 33.
The direct-drive electric top drive 32 comprises a permanent magnet motor 321, a main shaft 322 connected with the permanent magnet motor 321 and a buffer unit 323 arranged on the main shaft 322; the main shaft 322 is provided with a large-diameter through hole, and a band-type brake mechanism is arranged in the large-diameter through hole so as to have a main shaft braking function; the buffer unit 323 can protect the permanent magnet motor 321 from impact generated during drilling.
The electrically driven intelligent orifice platform 33 comprises an orifice platform body 331 with a central through hole, a shackle 332 which is arranged on the orifice platform body 331 and is coaxial with the central through hole of the orifice platform body 331, an orifice opening diameter adjusting mechanism 333 which is arranged on the orifice platform body 331, and an orifice central height adjusting mechanism 334 which is arranged between the orifice platform body 331 and the feed mast 22; the automatic shackle device is matched with a direct-drive electric top drive to realize automatic and quick shackle of the drilling tool; the aperture center height adjusting mechanism and the aperture opening diameter adjusting mechanism can automatically adjust the height h1 of the center through hole of the aperture platform body and the upper end surface of the feeding mast and the opening diameter phi of the center through hole according to control system instructions input by process technicians.
The control system comprises a power transformation box 51, an electric control box 52, a starting cabinet 53 and a visual remote control car 54 which are arranged in front of the vehicle-mounted chassis 11.
The transformer box 51 can convert the drilling field voltage into the working voltage of the electric drive intelligent supporting plate 31, the direct drive electric top drive 32 and the electric drive intelligent orifice platform 33, the electric control box 52 controls the output parameters of the motor, such as rotating speed and torque, and the like, the starting cabinet 53 realizes the starting and stopping of the control system, the visual remote control car 54 keeps a distance from the vehicle-mounted drilling machine and can be placed at any position of the drilling field, and the visual remote control car is connected through a cable so as to realize the electric drive of the main actuating mechanism of the vehicle-mounted drilling machine and the remote control of the whole machine, improve the transmission efficiency, enhance the safety and comfort of the drilling field construction and reduce the labor intensity.
The control system can calculate the feeding pulling speed v=pi Dnq and the feeding pulling force f=2mq/D of the direct-drive electric top drive 32 according to the output rotation speed n of the driving motor 316, the pitch diameter D of the driving gear 314, the torque M and the quantity q of the driving motor 316, and accurately control the feeding pulling speed v=pi Dnq and the feeding pulling force f=2mq/D according to requirements.
Auxiliary winch 41 in the auxiliary system is used for auxiliary transportation and installation of the construction site drilling tool and the drilling machine components; the centralized lubrication mechanism 42 provides continuous lubrication for the rotary and linear reciprocating parts of the drilling machine, and ensures the performance of the kinematic pair; the towing mechanism 43 realizes the dragging and the retraction of power and control cables; the intelligent slurry manifold mechanism 44 can control the on-off, flow and pressure of the hole bottom medium of the vehicle-mounted drilling machine according to the drilling pressure, the rotating speed and the slag reflection condition of the drilling machine.
The small-flow hydraulic pump station comprises a power takeoff 61, a universal shaft 62, a transmission flange 63, a fixed bracket 64 and a hydraulic pump 65; one end of the power takeoff 61 is connected with the vehicle diesel engine 14, the other end of the power takeoff 61 is connected with the universal shaft 62, the universal shaft 62 is connected with the transmission flange 63, the transmission flange 63 is connected with the hydraulic pump 65, the hydraulic pump 65 is arranged on the fixed support 64, and the fixed support 64 is arranged under the vehicle chassis 11.
The small-flow hydraulic pump station can provide high-pressure oil sources for the front stable supporting leg 15, the rear stable supporting leg 16 and an auxiliary winch 41, a centralized lubrication mechanism 42, a towing mechanism 43 and an intelligent slurry manifold mechanism 44 in an auxiliary system, and drives hydraulic cylinders of the front stable supporting leg 15 and the rear stable supporting leg 16, hydraulic motors of the auxiliary winch 41, hydraulic motors of the centralized lubrication mechanism 42 and hydraulic motors of the towing mechanism 43, and each hydraulic execution loop controls the running direction and speed through an electric control reversing valve and a one-way valve; the controller of the electric control reversing valve and the one-way valve is arranged in the electric control box and is uniformly connected with control signals of other electric driving components to the visual remote control vehicle; after the vehicle-mounted drilling machine is driven to the appointed hole site, the vehicle-mounted diesel engine 14 provides power for the small-flow hydraulic pump station through power switching.
When the vehicle-mounted drilling machine is ultrahigh, the direct-drive type electric top drive can be quickly disassembled, the vehicle height of the vehicle-mounted drilling machine is reduced, and when the drilling machine is overweight, the direct-drive type electric top drive can be disassembled, and an electric drive intelligent orifice platform, a small-flow hydraulic pump station, an auxiliary winch, an intelligent slurry manifold mechanism and the like can be quickly disassembled, so that the requirement of road-up permission of a chassis of the vehicle-mounted drilling machine is met; after arriving at the construction site, the disassembly module can be quickly assembled by using drilling site lifting equipment and a drilling machine auxiliary winch.
Example 2:
a construction method of a hybrid vehicle-mounted drilling machine, the method being implemented by the hybrid vehicle-mounted drilling machine of embodiment 1, comprising the steps of:
step 1, after a vehicle-mounted drilling machine arrives at a site, determining a hole site and a drilling machine placing position, switching power of a vehicle-mounted diesel engine to a low-flow hydraulic pump station, and hydraulically driving and controlling hydraulic cylinders of a front stable supporting leg and a rear stable supporting leg to stretch and retract so as to level and stabilize a vehicle-mounted chassis; starting a control system, and controlling the action of a drilling machine executing mechanism in a remote control mode;
step 2, driving a diagonal bracing cylinder, standing a feeding mast, matching an auxiliary winch with field lifting equipment, lifting and assembling a direct-drive electric top drive, an electric intelligent orifice platform, a towing rope mechanism and an intelligent slurry manifold mechanism which are independently transported to corresponding parts of a vehicle-mounted drilling machine, and plugging a control cable interface; the visual remote control vehicle is connected with the vehicle-mounted drilling machine main body through a cable;
step 3, according to the drilling design requirement, operators input instructions on a visual remote control vehicle, electrically drive and remotely control an electric drive rotation and orifice system, and control an orifice center height adjusting mechanism and an orifice opening diameter adjusting mechanism to automatically adjust the height h1 of a center through hole of an orifice platform body and the upper end surface of a feed mast and the orifice opening diameter phi, and the top drive center height adjusting mechanism adjusts the height h2 of the center of a main shaft and the upper end surface of the feed mast, so that h2=h1;
step 4, the direct-drive electric top drive, the automatic shackle device and the auxiliary winch are matched to complete the installation of the first drill rod and the drill bit, corresponding hole bottom circulating mediums are prepared, and hole opening operation is carried out;
step 5, carrying out working procedures of pressurized drilling, reduced pressure drilling, strong pulling, rod reversing and hole sealing according to the conditions of drilling, stratum drilling and drilling machine design; controlling the on-off frequency of the centralized lubrication mechanism according to the running condition of the drilling machine, and effectively lubricating the kinematic pair; and controlling the opening size of the intelligent slurry manifold mechanism by matching with the drilling pump quantity requirement.
The vehicle-mounted drilling machine is matched with the air compressor, so that air drilling, foam drilling and mud drilling can be realized; the direct-drive electric top drive of the drilling machine is provided with a large main shaft through hole, so that the processes of air forward circulation, air reverse circulation, mud forward and reverse circulation and the like can be realized; different drill bits are selected for the vehicle-mounted drilling machine, so that comprehensive drilling and coring drilling can be realized; the vehicle-mounted drilling machine selects different drilling tool combinations and measuring instruments to realize straight drilling and directional drilling; the vehicle-mounted drilling machine can realize the construction of coal bed gas extraction holes, water wells, ventilation shafts, cable wells, large-diameter relief wells and the like.
Claims (7)
1. The hybrid power type vehicle-mounted drilling machine comprises a chassis migration system and is characterized by further comprising a feeding system, an electric drive rotation and orifice system, an auxiliary system, a small-flow hydraulic pump station and a control system;
the chassis migration system comprises a vehicle-mounted chassis (11), a front frame (12) and a rear frame (13) which are arranged on the vehicle-mounted chassis (11), a vehicle-mounted diesel engine (14) which is arranged under the vehicle-mounted chassis (11), and a front stable supporting leg (15) and a rear stable supporting leg (16) which can support and level the vehicle-mounted chassis (11); the feed system comprises a feed mast (21) and a long-travel rack (22) fixed on the feed mast (21); the rear end of the feeding mast (21) is hinged with the rear frame (13), and the lower end of the feeding mast (21) is hinged with a diagonal bracing cylinder (17) connected to the vehicle-mounted chassis (11); the electric drive rotation and orifice system comprises an electric drive intelligent supporting plate (31) arranged on a long-stroke rack (22), a direct drive type electric top drive (32) arranged on the electric drive intelligent supporting plate (31) and an electric drive intelligent orifice platform (33) arranged at the end part of the feed mast (21) and opposite to the direct drive type electric top drive (32); the auxiliary system comprises an auxiliary winch (41) arranged at the front end of the feeding mast (21), a centralized lubrication mechanism (42), a towing mechanism (43) and an intelligent slurry manifold mechanism (44) which are arranged on the vehicle-mounted chassis (11);
the small-flow hydraulic pump station is arranged below the vehicle-mounted chassis and is connected with the vehicle-mounted diesel engine (14), the vehicle-mounted diesel engine (14) can provide power for the small-flow hydraulic pump station through power switching so as to hydraulically drive the front stable supporting leg (15), the rear stable supporting leg (16), the inclined strut oil cylinder (17) and the auxiliary system, and the control system can electrically drive and remotely control the electric drive rotation and orifice system to realize the hydraulic-electric hybrid driving of the vehicle-mounted drilling machine;
in the electric drive rotation and orifice system, the electric drive intelligent supporting plate (31) comprises a supporting plate body (311) positioned on a long-stroke rack (22), and a driving unit, a braking mechanism (312) and a top drive center height adjusting mechanism (313) which are arranged on the supporting plate body (311);
the driving unit comprises a driving gear (314) meshed with the long-stroke rack (22) and a driving motor (316) for transmitting torque to the driving gear (314) through a reduction gearbox (315), so that the electric drive intelligent supporting plate (31) moves along the length direction of the feeding mast (21) as a whole; the braking mechanism (312) adopts a normally closed principle, can act together with the braking of the driving motor (316) and realizes the accurate and reliable braking of the electrically driven intelligent supporting plate (31) in the moving process; the top drive center height adjusting mechanism (313) is arranged between the supporting plate body (311) and the direct-drive electric top drive (32) to adjust the height of the direct-drive electric top drive (32) according to the center height of the electric intelligent orifice platform (33);
the control system comprises a power transformation box (51), an electric control box (52) and a starting cabinet (53) which are arranged at the front part of the vehicle-mounted chassis (11), and a visual remote control vehicle (54);
the power transformation box (51) can convert the drilling field voltage into the working voltage of the motors used by the electric drive intelligent supporting plate (31), the direct drive electric top drive (32) and the electric drive intelligent orifice platform (33), the output parameters of the motors are controlled through the electric control box (52), the starting cabinet (53) realizes the starting and stopping of the control system, and the visual remote control vehicle (54) keeps a distance from the vehicle-mounted drilling machine and can be placed at any position of the drilling field;
the control system can calculate the feeding pulling-out speed and the feeding pulling-out force of the direct-drive electric top drive (32) according to the output rotating speed of the drive motor (316), the pitch circle diameter of the drive gear (314), the torque and the number of the drive motor (316), and accurately control the feeding pulling-out speed and the feeding pulling-out force according to the requirements.
2. The hybrid vehicle-mounted drilling machine according to claim 1, wherein in the chassis transportation system, the front frame (12) and the rear frame (13) are symmetrically arranged on two sides of a spandrel girder of the vehicle-mounted chassis (11), the front stable supporting leg (15) is arranged in the middle of the spandrel girder of the vehicle-mounted chassis (11), and the rear stable supporting leg (16) is arranged at the rear of the spandrel girder of the vehicle-mounted chassis (11).
3. The hybrid vehicle-mounted drilling machine according to claim 2, wherein in the feeding system, the feeding mast (21) is a steel-shaped welding structure, and provides a reaction force of pulling-in and pulling-out force and torque for drilling operation; the front part of the feeding mast (21) is contacted with the front frame (12) during transportation, and the inclined support cylinder (17), the rear frame (13) and the feeding mast (21) form a stable triangle fixing structure; the length of the long-stroke rack (22) is larger than the sum of the length of the drill rod and the length of the electric drive intelligent supporting plate (31).
4. A hybrid vehicle-mounted drilling machine according to claim 3, characterized in that the direct-drive electric top drive (32) comprises a permanent magnet motor (321), a main shaft (322) connected with the permanent magnet motor (321), and a buffer unit (323) arranged on the main shaft (322); the main shaft (322) is provided with a large-diameter through hole, and a band-type brake mechanism is arranged in the large-diameter through hole so as to have a main shaft braking function; the buffer unit (323) can protect the permanent magnet motor (321) from impact generated in the drilling process.
5. The hybrid vehicle-mounted drilling machine according to claim 4, wherein the electrically driven intelligent orifice platform (33) comprises an orifice platform body (331) with a central through hole, an automatic shackle (332) arranged on the orifice platform body (331) and coaxial with the central through hole of the orifice platform body (331), an orifice opening diameter adjustment mechanism (333) arranged on the orifice platform body (331), and an orifice central height adjustment mechanism (334) arranged between the orifice platform body (331) and the feed mast (21).
6. The hybrid vehicle-mounted drilling machine according to claim 1, wherein the low-flow hydraulic pump station comprises a power takeoff (61), a cardan shaft (62), a transmission flange (63), a fixed bracket (64) and a hydraulic pump (65); one end of the power takeoff (61) is connected with the vehicle diesel engine (14), the other end of the power takeoff is connected with the universal shaft (62), the universal shaft (62) is connected with the transmission flange (63), the transmission flange (63) is connected with the hydraulic pump (65), the hydraulic pump (65) is arranged on the fixed bracket (64), and the fixed bracket (64) is arranged under the vehicle chassis (11);
the small-flow hydraulic pump station can provide high-pressure oil sources for the front stable supporting leg (15), the rear stable supporting leg (16) and an auxiliary winch (41), a centralized lubrication mechanism (42), a towing mechanism (43) and an intelligent slurry manifold mechanism (44) in an auxiliary system, and drives hydraulic cylinders of the front stable supporting leg (15) and the rear stable supporting leg (16), hydraulic motors of the auxiliary winch (41), hydraulic motors of the centralized lubrication mechanism (42) and hydraulic motors of the towing mechanism (43), and each hydraulic execution loop controls the running direction and speed through an electric control reversing valve and a one-way valve; when the vehicle-mounted drilling machine is driven to a designated hole site, the vehicle-mounted diesel engine (14) provides power for the small-flow hydraulic pump station through power switching.
7. A construction method of a hybrid vehicle-mounted drilling machine, characterized in that the method is realized by the hybrid vehicle-mounted drilling machine according to claim 5, comprising the following steps:
step 1, after a vehicle-mounted drilling machine arrives at a site, determining a hole site and a drilling machine placing position, switching power of a vehicle-mounted diesel engine to a low-flow hydraulic pump station, and hydraulically driving and controlling hydraulic cylinders of a front stable supporting leg and a rear stable supporting leg to stretch and retract so as to level and stabilize a vehicle-mounted chassis;
step 2, driving a diagonal bracing cylinder, standing a feeding mast, matching an auxiliary winch with field lifting equipment, lifting and assembling a direct-drive electric top drive, an electric intelligent orifice platform, a towing rope mechanism and an intelligent slurry manifold mechanism which are independently transported to corresponding parts of a vehicle-mounted drilling machine, and plugging a control cable interface; the visual remote control vehicle is connected with the vehicle-mounted drilling machine main body through a cable;
step 3, inputting instructions on a visual remote control vehicle according to drilling design requirements, electrically driving and remotely controlling an electric drive rotary and orifice system, controlling an orifice center height adjusting mechanism and an orifice opening diameter adjusting mechanism to automatically adjust the height h1 of a center through hole of an orifice platform body and the upper end surface of a feed mast and the orifice opening diameter phi, and enabling a top drive center height adjusting mechanism to adjust the height h2 of the center of a main shaft and the upper end surface of the feed mast to enable h2 = h1;
and 4, performing perforating operation by matching the direct-drive electric top drive, the automatic shackle device and the auxiliary winch to complete the installation of the first drill rod and the drill bit.
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| CN115387725A (en) * | 2022-08-11 | 2022-11-25 | 中煤科工集团西安研究院有限公司 | An electric drive intelligent roller cone drilling rig |
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