CN108825570B - Multifunctional drilling machine and double-power hydraulic system thereof - Google Patents
Multifunctional drilling machine and double-power hydraulic system thereof Download PDFInfo
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- CN108825570B CN108825570B CN201810757995.4A CN201810757995A CN108825570B CN 108825570 B CN108825570 B CN 108825570B CN 201810757995 A CN201810757995 A CN 201810757995A CN 108825570 B CN108825570 B CN 108825570B
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- 238000005553 drilling Methods 0.000 title claims abstract description 103
- 239000003921 oil Substances 0.000 claims description 264
- 239000010720 hydraulic oil Substances 0.000 claims description 37
- 230000001105 regulatory effect Effects 0.000 claims description 33
- 230000009977 dual effect Effects 0.000 claims description 17
- 238000010276 construction Methods 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004630 mental health Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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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
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
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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
- E21B6/00—Drives for drilling with combined rotary and percussive action
-
- 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
- E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/001—Servomotor systems with fluidic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
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- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a multifunctional drilling machine and double dynamical hydraulic system thereof, this double dynamical hydraulic system includes track walking, rig location and rig drilling hydraulic circuit, track walking hydraulic circuit includes track walking control execution subassembly and parallelly connected first, second, third oil pump thereof, rig location hydraulic circuit includes rig location control execution subassembly and parallelly connected second, third oil pump thereof, rig drilling hydraulic circuit includes parallelly connected unit head rotation, unit head propulsion and unit head impact control execution subassembly and parallelly connected second, third oil pump and the fourth oil pump of being connected with unit head propulsion control execution subassembly and unit head impact control execution subassembly, first, second oil pump is driven by the diesel engine, third, fourth oil pump is driven by the motor. The double-power hydraulic system and the multifunctional drilling machine can solve the problems that a diesel engine cannot be constructed and the exhaust emission exceeds standard after being used as a sole power source to fail.
Description
Technical Field
The disclosure relates to the field of tunnel engineering machinery, in particular to a double-power hydraulic system of a multifunctional drilling machine and the multifunctional drilling machine.
Background
At present, when poor geology such as karst, goaf, water-rich fault, gas and the like is performed in tunnel underground engineering in China to perform advanced prediction exploring holes, grouting, pipe shed, coring and the like, drilling equipment is adopted, a diesel engine is used for providing power to drive an oil pump to drive and control the equipment, the diesel engine is used as a unique power source, once the diesel engine fails, the on-site construction operation is affected, the diesel engine runs for a long time, the discharged tail gas is not specially purified, the tail gas emission in the tunnel exceeds the standard, in addition, the ventilation condition in the tunnel is poor, the physical and psychological health of constructors is greatly affected, and the long-time operation in the tunnel is not applicable.
Disclosure of Invention
The utility model aims at providing a double dynamical hydraulic system and multi-functional rig of multi-functional rig, this double dynamical hydraulic system and multi-functional rig can solve the diesel engine and cause the technical problem that influences and diesel engine exhaust emissions exceeds standard to construction operation after breaking down as sole power source.
In order to achieve the above object, the present disclosure provides a dual-power hydraulic system of a multifunctional drilling machine, the dual-power hydraulic system including a crawler travel hydraulic circuit including a crawler travel control execution assembly and first, second and third oil pumps connected in parallel with the crawler travel control execution assembly, a drill positioning hydraulic circuit including a drill positioning control execution assembly and the second and third oil pumps connected in parallel with the drill positioning control execution assembly, a drill drilling hydraulic circuit including a parallel power head rotation control execution assembly, a power head propulsion control execution assembly and a power head impact control execution assembly, and second, third and fourth oil pumps connected in parallel with the power head rotation control execution assembly, and a fourth oil pump connected with the power head propulsion control execution assembly and the power head impact control execution assembly connected in parallel, wherein the first and second oil pumps are driven by a diesel engine and the fourth oil pumps are driven by a motor.
Optionally, the crawler hydraulic circuit includes a pressure reducing valve and a first reversing valve connected in sequence between the first oil pump and the crawler control execution component along a flow direction of the hydraulic oil.
Optionally, the first reversing valve is a two-position four-way reversing valve, and the two-position four-way reversing valve comprises an oil inlet communicated with the pressure reducing valve, a left-position oil port and a middle-position oil port communicated with the hydraulic oil tank, and a right-position oil port communicated with the crawler travel control execution assembly.
Optionally, the double-power hydraulic system comprises a second reversing valve, the second reversing valve is a three-position four-way reversing valve and comprises an oil inlet, a left oil port, a right oil port and a middle oil port, the second oil pump and the third oil pump are connected in parallel to the oil inlet, the left oil port is connected with the power head rotation control execution assembly, the right oil port is connected with the crawler running control execution assembly, and the middle oil port is connected with the drilling machine positioning control execution assembly.
Optionally, a first one-way valve is arranged between the second oil pump and the oil inlet, and a second one-way valve is arranged between the third oil pump and the oil inlet.
Optionally, the dual-power hydraulic system includes a first shut-off valve and a first pressure regulating valve connected between the third oil pump and the second reversing valve, the first pressure regulating valve being in communication with a hydraulic tank.
Optionally, the dual-power hydraulic system comprises a second stop valve and a second pressure regulating valve which are respectively connected between the second reversing valve and the power head rotation control execution assembly, the crawler travel control execution assembly and the drilling machine positioning control execution assembly, and the second pressure regulating valve is communicated with a hydraulic oil tank.
Optionally, the dual-power hydraulic system includes a third stop valve and a third pressure regulating valve connected between the fourth oil pump and the power head propulsion control execution assembly and the power head impact control execution assembly connected in parallel, and the third pressure regulating valve is communicated with a hydraulic oil tank.
Optionally, the dual power hydraulic system includes a rod-removing hydraulic circuit including a rod-clamping control actuator assembly, a rod-rotation control actuator assembly and a fifth oil pump, the rod-clamping control actuator assembly and the rod-rotation control actuator assembly being connected in parallel to the fifth oil pump.
Optionally, the dual-power hydraulic system includes a fourth shut-off valve and a fourth pressure regulating valve connected between the fifth oil pump and the rod clamping control executing assembly and the rod rotation control executing assembly connected in parallel, the fourth pressure regulating valve being in communication with a hydraulic tank.
Optionally, the hydraulic oil tank supplies oil to the first oil pump, the second oil pump, the third oil pump and the fourth oil pump which are connected in parallel through a first oil supply pipeline, and supplies oil to the fifth oil pump through a second oil supply pipeline.
Optionally, the drilling machine positioning control execution assembly comprises a workbench rotation control execution assembly, a working arm pitching control execution assembly, a workbench lifting control execution assembly, a pushing beam swinging control execution assembly and a pushing beam telescopic control execution assembly.
On the basis of the technical scheme, the multifunctional drilling machine further comprises a crawler traveling unit, a drilling machine drilling unit and a drilling machine positioning unit, and further comprises a double-power hydraulic system of the multifunctional drilling machine.
Through the technical scheme, the double-power hydraulic system of the multifunctional drilling machine provided by the disclosure is provided with the oil pump driven by the diesel engine and the oil pump driven by the motor, and the oil pump driven by the diesel engine can be selected to supply oil for crawler walking so as to realize the walking of the multifunctional drilling machine, such as high-speed walking, under the condition that long-distance transition transportation is required or no external power supply is available. When an external power supply or short-distance transition transportation exists, an oil pump driven by a diesel engine or a motor can be selected to supply oil for crawler travel so as to realize the travel of the multifunctional drilling machine, such as low-speed travel. In this case, even if the diesel engine fails, normal operation of the construction work can be ensured by the motor, and the work beat is ensured. When the multifunctional drilling machine is positioned in a working place with poor ventilation such as a tunnel, the oil pump driven by the motor can be selected to supply oil for crawler travel so as to realize the travel of the multifunctional drilling machine, and under the condition, the air pollution caused by the tail gas gathered in the working place due to the operation of the diesel engine can be reduced or even avoided. In addition, the diesel engine or the oil pump driven by the diesel engine can be selected to supply oil for the drilling machine positioning unit so as to convey the drilling machine to the working position, so that the oil pump driven by the diesel engine or the oil pump driven by the diesel engine can supply oil for the drilling machine positioning unit under the condition that the diesel engine or the motor fails, thereby avoiding the stagnation of construction operation and providing double guarantee for smooth operation of the construction operation. In addition, the oil pump driven by the motor can supply oil for the power head rotation control execution assembly, the power head propulsion control execution assembly and the power head impact control execution assembly so as to realize the drilling operation of the drilling machine, and thus, the pollution to the air and the influence on the physical and mental health of workers caused by tail gas discharged by the diesel engine when the drilling machine is used for drilling operation in a tunnel can be reduced or even avoided. The multifunctional drilling machine provided by the disclosure comprises the double-power hydraulic system, and also has the advantages, so that unnecessary repetition is avoided, and the description is omitted here.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
fig. 1 is a schematic diagram of a dual power system of a multi-function drilling rig in accordance with an embodiment of the present disclosure.
Fig. 2 is a schematic structural view of a multifunctional drilling machine in an embodiment of the present disclosure.
Description of the reference numerals
101-track running unit, 102-workbench, 103-workbench rotating unit, 104-working arm, 105-working arm pitching unit, 106-operation table, 107-operation table lifting unit, 108-pushing beam, 109-pushing beam lifting unit, 110-pushing beam telescoping unit, 111-pushing beam swinging unit, 112-drilling machine drilling unit, 113-power head, 114-drill pipe, 115-power head rotating unit, 116-power head pushing unit, 117-power head impact unit, 118-drill pipe disassembling device, 11-track running control executing assembly, 121-workbench rotating control executing assembly, 122-working arm pitching control executing assembly, 123-operation table lifting control executing assembly, 124-pushing beam lifting control executing assembly, 125-pushing beam swinging control executing assembly, 126-pushing beam telescoping control executing assembly, 131-drill pipe rotating control executing assembly, 132-power head pushing control executing assembly, 133-power head impact control executing assembly, 141-clamping control executing assembly, 142-drill pipe rotating control executing assembly, 2-hydraulic oil tank, 211-first supply circuit, 212-second supply circuit, 22-main oil pump, 25-third oil pump, 32-temperature filter, fourth oil pump, temperature-32-heating device, temperature-fourth oil pump, temperature-32-filter, temperature-32-electric pump, and fourth oil pump, 43-fifth oil pump, 51-first reversing valve, 52-second reversing valve, 53-first check valve, 54-second check valve, 6-relief valve, 71-first stop valve, 72-second stop valve, 73-third stop valve, 74-fourth stop valve, 81-first pressure regulating valve, 82-second pressure regulating valve, 83-third pressure regulating valve, 84-fourth pressure regulating valve, 91-return oil filter, 92-air-cooled radiator, 93-water-cooled radiator.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
The terms "first," "second," and the like, as used in this disclosure, are used for distinguishing one element from another and not necessarily for order or importance. Furthermore, the following description refers to the same elements throughout the several views.
According to a specific embodiment of the present disclosure, there is provided a dual-power hydraulic system of a multi-functional drilling machine, as shown with reference to fig. 1, the dual-power hydraulic system including a crawler travel hydraulic circuit including a crawler travel control execution unit 11 and first, second and third oil pumps 31, 32 and 41 connected in parallel with the crawler travel control execution unit 11, a drilling machine positioning hydraulic circuit including a drilling machine positioning control execution unit and second and third oil pumps 32 and 41 connected in parallel with the drilling machine positioning control execution unit, a drilling machine drilling hydraulic circuit including a parallel power head rotation control execution unit 131, power head propulsion control execution unit 132 and power head impact control execution unit 133, and second, third and fourth oil pumps 32, 41 and 41 connected in parallel with a power head rotation control execution unit 131, and a fourth oil pump 42 connected with the parallel power head propulsion control execution unit 132 and power head impact control execution unit 133, wherein the first and second oil pumps 31 and 32 are driven by diesel engines 3 and 4 and the fourth oil pumps 41 are driven by a driving motor 42.
Through the technical scheme, the double-power hydraulic system of the multifunctional drilling machine provided by the disclosure is provided with the oil pump driven by the diesel engine 3 and the oil pump driven by the motor 4, and the oil pump driven by the diesel engine 3 can be used for supplying oil to the crawler travel control execution assembly 11 to realize the travel of the multifunctional drilling machine, such as high-speed travel, under the condition that long-distance transition transportation is required or no external power supply is available. When an external power supply or short-distance transfer transportation exists, an oil pump driven by the diesel engine 3 or the motor 4 can be selected to supply oil for the crawler travel control execution assembly 11 so as to realize the travel of the multifunctional drilling machine, such as low-speed travel. In this case, even if the diesel engine 3 fails, normal progress of the construction work can be ensured by the motor 4, and the work beat can be ensured. Wherein, when the multifunctional drilling machine is in the work site with poor ventilation such as tunnel, the oil pump driven by the motor 4 can be selected to supply oil for the crawler travel control execution assembly 11 to realize the travel of the multifunctional drilling machine, in this case, the air pollution caused by the tail gas gathering in the work site generated by the diesel engine can be reduced or even avoided. In addition, the oil pump driven by the diesel engine 3 or the motor 4 can be selected to supply oil for the drilling machine positioning unit so as to send the drilling machine to the working position, so that the oil pump driven by the motor 4 or the diesel engine 3 can supply oil for the drilling machine positioning unit in the case that the diesel engine 3 or the motor 4 fails, thereby avoiding the stagnation of construction operation and providing double guarantee for smooth operation of the construction operation. In addition, the oil pump driven by the motor 4 can supply oil to the power head rotation control execution assembly 131, the power head propulsion control execution assembly 132 and the power head impact control execution assembly 133 so as to realize the drilling operation of the drilling machine, thus reducing or even avoiding the pollution to the air and the influence to the physical and mental health of the staff caused by the tail gas discharged by the diesel engine when the drilling machine is used for drilling operation in a tunnel.
Wherein, the crawler belt walking hydraulic circuit, the drilling machine positioning hydraulic circuit and the drilling machine drilling hydraulic circuit can be communicated with the hydraulic oil tank 2 through the main oil return pipeline 22 to realize oil return; the first oil pump 31 and the second oil pump 32 are coaxially and rigidly connected, the third oil pump 41 and the fourth oil pump 42 are coaxially and rigidly connected, and the diesel engine 3 and the motor 4 do not work simultaneously; alternatively, the first oil pump 31 uses a gear pump, and the second oil pump 32, the third oil pump 41, and the fourth oil pump 42 may each use a plunger pump.
Specific embodiments of a dual power hydraulic system of a multifunctional drilling machine provided by the present disclosure will be described in detail below with reference to the accompanying drawings. Before the specific description, it should be noted that, a multifunctional drilling machine to which the dual-power hydraulic system provided in the present disclosure is applicable includes at least a crawler traveling unit 101, a drilling machine positioning unit and a drilling machine drilling unit 112, where, referring to fig. 2, the drilling machine positioning unit includes a workbench 102, a workbench rotating unit 103 connecting the workbench 102 with the crawler traveling unit 101, a workbench 104 hinged to the workbench 102, a workbench pitch unit 105 driving the workbench 104 to rotate around a horizontal axis, a workbench 106, a workbench lifting unit 107 connecting the workbench 106 with the workbench 102, a drilling machine pushing beam 108 which is disposed at an end of the workbench 104 and can be telescopic, a pushing beam lifting unit 109 (lifting up and down), a pushing beam telescoping unit 110, a pushing beam swinging unit 111 (swinging left and right), the drilling machine drilling unit 112 is disposed at an end of the pushing beam 108, and includes a power head 113, a drill rod 114 connected to an output shaft of the power head 113, a power head rotating unit 115, a power head pushing unit 116 and a power head percussion unit 117, and the operation of the drilling machine pushing unit 112 includes a power head 113 rotating to drive the pushing head 114, a power head 113 to drive the drilling rod 114 to drive the drilling head 114. In addition, a drill rod dismounting device for easily dismounting the drill rod 114 may be provided on the push beam 108, and the drill rod dismounting device 118 includes a drill rod clamping mechanism and a drill rod rotating mechanism, and the operating principle is that two adjacent drill rod sections connected with each other are respectively clamped by the drill rod clamping mechanism, and one of the drill rod sections is driven to rotate around the central axis thereof by the drill rod rotating mechanism, so that the threaded connection between the two drill rod sections can be released, thereby dismounting the drill rod 114.
Correspondingly, in the specific embodiments provided in the present disclosure, the rig positioning control execution assembly may include a table rotation control execution assembly 121, a working arm pitch control execution assembly 122, a table elevation control execution assembly 123, a thrust beam elevation control execution assembly 124, a thrust beam swing control execution assembly 125, and a thrust beam telescoping control execution assembly 126, and the crawler travel control execution assembly 11, the power head rotation control execution assembly 131, and the table rotation control execution assembly 121 may each include corresponding valves and hydraulic motors therein to perform corresponding actions; the boom pitch control execution assembly 122, the console elevation control execution assembly 123, the thrust beam elevation control execution assembly 124, the thrust beam roll control execution assembly 125, and the thrust beam telescoping control execution assembly 126 may each include corresponding valves and hydraulic rams therein to perform corresponding actions.
In the specific embodiment provided in the present disclosure, the crawler hydraulic circuit may include the pressure reducing valve 6 and the first reversing valve 51 connected in sequence between the first oil pump 31 and the motor in the flow direction of the hydraulic oil. The first reversing valve 51 may be a two-position four-way reversing valve, which includes an oil inlet communicated with the pressure reducing valve 6, a left-position oil port and a middle-position oil port communicated with the hydraulic oil tank 2, and a right-position oil port communicated with the crawler motor. Hydraulic oil from the hydraulic oil tank 2 is pumped to the relief valve 6 by the first oil pump 31 driven by the diesel engine 3, and the relief valve 6 reduces the oil pressure to a desired value and then enters through the oil inlet of the first reversing valve 51. Through the operation, can make the oil inlet and the right bit hydraulic fluid port intercommunication of first switching-over valve 51 in order to supply oil to track walking control execution subassembly 11 in order to realize the walking of multi-functional rig, at this moment, left bit hydraulic fluid port and well position hydraulic fluid port all return oil, in this case, can realize the high-speed walking of multi-functional rig. Through manual operation, the oil inlet of the first reversing valve 51 is communicated with the left oil port for oil return, oil is not supplied to the crawler unit, and at the moment, the right oil port of the first reversing valve 51 is communicated with the middle oil port for oil return. Here, the left oil port and the middle oil port may both be communicated with the hydraulic oil tank 2 to achieve oil return.
In the specific embodiment provided in the disclosure, the dual-power hydraulic system includes a second reversing valve 52, and referring to fig. 1, the second reversing valve 52 is a three-position four-way reversing valve, including an oil inlet P, a left-position oil port a, a right-position oil port B, and a middle-position oil port T, where the second oil pump 32 and the third oil pump 41 are connected in parallel to the oil inlet P, the left-position oil port a is connected with the power head rotation control execution assembly 131, the right-position oil port B is connected with the crawler running control execution assembly 11, and the middle-position oil port T is connected with the drilling machine positioning control execution assembly.
Since the diesel engine and the motor do not operate simultaneously, the second oil pump 32 or the third oil pump 41 does not supply oil to the oil inlet P at the same time. Hydraulic oil from the second oil pump 32 or the third oil pump 41 enters the second directional valve 52 from the oil inlet P. By operating the second reversing valve 52, the oil inlet P may communicate with the left oil port a to supply oil to the power head rotation control executing assembly 131, thereby realizing rotation of the power head 113; or, the oil inlet P may be communicated with the right oil port B to supply oil to the crawler travel control execution assembly 11; or, the oil inlet P may be communicated with the middle oil port C to supply oil to the drilling machine positioning control execution assembly.
It will be appreciated that if the diesel engine 3 is operated, when the oil inlet of the first directional valve 51 is communicated with the left oil port thereof, the hydraulic oil pumped by the first oil pump 31 passes through the first directional valve 51 and returns, and the hydraulic oil pumped by the second oil pump 32 reaches the second directional valve 52, so as to further supply to the power head rotation control executing assembly 131 or the crawler travel control executing assembly 11 or the drilling machine positioning control executing assembly.
Optionally, a first check valve 53 is disposed between the second oil pump 32 and the oil inlet P, and a second check valve 54 is disposed between the third oil pump 41 and the oil inlet P, so as to control the flow direction of hydraulic oil between the second oil pump 32, the third oil pump 41 and the oil inlet P, and prevent the backflow of hydraulic oil.
In the embodiment provided in the present disclosure, the dual power hydraulic system may include a first shut-off valve 71 and a first pressure regulating valve 81 connected between the third oil pump 41 and the second reversing valve 52, the first shut-off valve 71 selectively shutting off, regulating and throttling the oil supply of the third oil pump 41 to the second reversing valve 52, and the first pressure regulating valve 81 may be connected to the main return line 22 to communicate with the hydraulic tank 2 to regulate the oil pressure provided by the third oil pump 41.
In the specific embodiment provided in the present disclosure, the dual-power hydraulic system may include a second shut-off valve 72 and a second pressure regulating valve 82 respectively connected between the second reversing valve 52 and the power head rotation control actuation assembly 131, the crawler travel control actuation assembly 11, and the rig positioning control actuation assembly. Wherein the second shut-off valve 72 connected between the second direction valve 52 and the head rotation control performing assembly 131 selectively shuts off, regulates, and throttles the supply of oil to the head rotation control performing assembly 131, and the second pressure regulating valve 82 corresponding to the head rotation control performing assembly 131 may be connected to the hydraulic tank 2 to communicate with the hydraulic tank 2, thereby regulating the oil pressure supplied to the head rotation control performing assembly 131. The second shut-off valve 72 connected between the second switching valve 52 and the crawler travel control execution unit 11 selectively cuts off, regulates, and throttles the supply of oil to the crawler travel control execution unit 11, and the second pressure regulating valve 82 corresponding to the crawler travel control execution unit 11 may be connected to the hydraulic tank 2 to communicate with the hydraulic tank 2 to regulate the oil pressure supplied to the crawler travel control execution unit 11. The second shut-off valve 72 connected between the second directional valve 52 and the driller's positioning control actuators selectively shuts off, regulates, and throttles the supply of oil to the driller's positioning control actuators, while the second pressure regulator valve 82 corresponding to the driller's positioning control actuators may be connected to the hydraulic tank 2 to communicate with the hydraulic tank 2, thereby regulating the oil pressure supplied to the driller's positioning control actuators. In addition, when the second reversing valve 52 is operated so that the oil inlet P communicates with the left oil port a, the right oil port B communicates with the middle oil port T, and hydraulic oil enters the main oil return line 22 through the power head rotation control execution assembly 131 to realize oil return; when the second reversing valve 52 is operated so that the oil inlet P is communicated with the right oil port B, the left oil port A is communicated with the middle oil port T, and hydraulic oil enters the main oil return pipeline 22 through the crawler travel control execution assembly 11 to realize oil return; when the second reversing valve 52 is operated so that the oil inlet P communicates with the middle-position oil port T, the left-position oil port a and the right-position oil port B do not communicate, and hydraulic oil enters the main oil return line 22 through the drill positioning control execution assembly to realize oil return.
In the specific embodiment provided in the present disclosure, the dual power hydraulic system may include a third shut-off valve 73 and a third pressure regulating valve 83 connected between the fourth oil pump 42 and the parallel-connected power head propulsion control execution assembly 132 and power head impact control execution assembly 133, the third shut-off valve 73 selectively shutting off, regulating and throttling the supply of oil from the fourth oil pump 42 to the parallel-connected power head propulsion control execution assembly 132 and power head impact control execution assembly 133, and the third pressure regulating valve 83 may be connected to the main oil return line 22 to communicate with the hydraulic tank 2, thereby regulating the oil pressure supplied from the fourth oil pump 42.
In the specific embodiment provided in the present disclosure, the dual power hydraulic system may further include a rod-removing hydraulic circuit including a rod-holding control actuator assembly 141, a rod-rotating control actuator assembly 142, and a fifth oil pump 43, the rod-holding control actuator assembly 141 and the rod-rotating control actuator assembly 142 being connected in parallel to the fifth oil pump 43, the fifth oil pump 43 being driven by the motor 2.
The drill rod disassembling hydraulic circuit is communicated with the hydraulic oil tank 2 through a main oil return pipeline 22 to realize oil return. Alternatively, the third oil pump 41, the fourth oil pump 42, and the fifth oil pump 43 are rigidly connected coaxially, and the fifth oil pump 43 may use a gear pump.
Wherein the rod clamping control actuator assembly 141 may include a clamping cylinder and a clamping member and the rod rotation control actuator assembly 142 may include a hydraulic motor. The fifth oil pump 43 supplies oil to the clamping cylinder of the drill rod clamping control execution assembly 141, the clamping cylinder drives the clamping member to clamp the drill rod, and the fifth oil pump 43 supplies oil to the hydraulic motor of the drill rod rotation control execution assembly 142, so that the hydraulic motor drives the drill rod to rotate, and the drill rod is disassembled.
In the particular embodiment provided in this disclosure, the dual power hydraulic system may include a fourth shut-off valve 74 and a fourth pressure regulator valve 84 connected between the fifth oil pump 43 and the parallel connection of the rod clamping control actuator assembly 141 and the rod rotation control actuator assembly 142, the fourth shut-off valve 74 selectively shutting off, regulating and throttling the oil supply to the parallel connection of the rod clamping control actuator assembly 141 and the rod rotation control actuator assembly 142, and the fourth pressure regulator valve 84 may be connected to the hydraulic tank 2 to communicate with the hydraulic tank 2 to regulate the oil pressure supplied to the rod clamping control actuator assembly 141 and the rod rotation control actuator assembly 142.
Alternatively, the hydraulic oil tank 2 supplies oil to the first oil pump 31, the second oil pump 32, the third oil pump 41, and the fourth oil pump 42 connected in parallel through the first oil supply line 211, and supplies oil to the fifth oil pump 43 through the second oil supply line 212. The oil inlets of the first oil supply line 211 and the second oil supply line 212 are each provided with an oil suction filter 26 to filter out impurities in the hydraulic oil, and prevent the impurities from entering the hydraulic oil circulation line to damage various devices. In addition, a thermometer 27 for monitoring the oil temperature, a heating device 25 for heating the hydraulic oil, a temperature switch 23 for controlling the heating device 25, and an air filter 24 for filtering air bubbles in the hydraulic oil are provided in the hydraulic oil tank 2. An oil return filter 91 for filtering impurities in the return hydraulic oil, an air-cooled radiator 92 for cooling the return hydraulic oil, and a water-cooled radiator 93 are provided on the oil inlet line of the hydraulic oil tank 2.
On the basis of the technical scheme, the multifunctional drilling machine further comprises a crawler traveling unit, a drilling machine drilling unit and a drilling machine positioning unit, and the multifunctional drilling machine further comprises a double-power hydraulic system of the multifunctional drilling machine.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. A double-power hydraulic system of a multifunctional drilling machine is characterized in that,
the double-power hydraulic system comprises a crawler traveling hydraulic circuit, a drilling machine positioning hydraulic circuit and a drilling machine drilling hydraulic circuit, wherein the crawler traveling hydraulic circuit comprises a crawler traveling control execution assembly (11) and a first oil pump (31), a second oil pump (32) and a third oil pump (41) which are connected with the crawler traveling control execution assembly (11) in parallel, the drilling machine positioning hydraulic circuit comprises a drilling machine positioning control execution assembly, the second oil pump (32) and the third oil pump (41) which are connected with the drilling machine positioning control execution assembly in parallel, the drilling machine drilling hydraulic circuit comprises a power head rotation control execution assembly (131), a power head propulsion control execution assembly (132) and a power head impact control execution assembly (133) which are connected in parallel, and a second oil pump (32), a third oil pump (41) and a fourth oil pump (42), the second oil pump (32) and the third oil pump (41) are connected with the power head rotation control execution assembly (131) in parallel, the fourth oil pump (42) is connected with the power head propulsion control assembly (132) and the power head control assembly (31) which are connected in parallel, and the third oil pump (32) is driven by the power head (3) and the third oil pump (42).
2. A dual power hydraulic system of a multi-function drilling machine according to claim 1, wherein,
the crawler travel hydraulic circuit comprises a pressure reducing valve (6) and a first reversing valve (51) which are sequentially connected between the first oil pump (31) and the crawler travel control execution assembly (11) along the flow direction of hydraulic oil;
the first reversing valve (51) is a two-position four-way reversing valve, and the two-position four-way reversing valve comprises an oil inlet communicated with the pressure reducing valve (6), a left-position oil port and a middle-position oil port communicated with the hydraulic oil tank (2) and a right-position oil port communicated with the crawler travel control execution assembly (11).
3. A dual power hydraulic system of a multi-function drilling machine according to claim 1, wherein,
the double-power hydraulic system comprises a second reversing valve (52), the second reversing valve (52) is a three-position four-way reversing valve and comprises an oil inlet (P), a left oil port (A), a right oil port (B) and a middle oil port (T), the second oil pump (32) and the third oil pump (41) are connected in parallel to the oil inlet (P), the left oil port (A) is connected with the power head rotation control execution assembly (131), the right oil port (B) is connected with the crawler running control execution assembly (11), and the middle oil port (T) is connected with the drilling machine positioning control execution assembly;
a first one-way valve (53) is arranged between the second oil pump (32) and the oil inlet (P), and a second one-way valve (54) is arranged between the third oil pump (41) and the oil inlet (P).
4. A dual power hydraulic system of a multi-function drilling machine according to claim 3, wherein,
the double-power hydraulic system comprises a first stop valve (71) and a first pressure regulating valve (81) which are connected between the third oil pump (41) and the second reversing valve (52), and the first pressure regulating valve (81) is communicated with a hydraulic oil tank (2).
5. A dual power hydraulic system of a multi-function drilling machine according to claim 3, wherein,
the double-power hydraulic system comprises a second reversing valve (52) and a power head rotation control execution assembly (131), wherein the second reversing valve (52) is connected with the crawler traveling control execution assembly (11), a second stop valve (72) and a second pressure regulating valve (82) are respectively connected with the drill positioning control execution assembly, and the second pressure regulating valve (82) is communicated with the hydraulic oil tank (2).
6. A dual power hydraulic system of a multi-function drilling machine according to claim 1, wherein,
the double-power hydraulic system comprises a third pressure regulating valve (83) and a third stop valve (73) which are connected between the fourth oil pump (42) and the power head propulsion control execution assembly (132) and the power head impact control execution assembly (133) which are connected in parallel, and the third pressure regulating valve (83) is communicated with a hydraulic oil tank (2).
7. A dual power hydraulic system of a multi-function drilling machine according to claim 1, wherein,
the dual power hydraulic system includes a rod-disassembling hydraulic circuit including a rod-gripping control actuator assembly (141), a rod-rotation control actuator assembly (142) and a fifth oil pump (43), the rod-gripping control actuator assembly (141) and the rod-rotation control actuator assembly (142) being connected in parallel to the fifth oil pump (43), the fifth oil pump (43) being driven by the motor (4).
8. The dual power hydraulic system of a multi-function drilling machine of claim 7, wherein,
the double-power hydraulic system comprises a fourth stop valve (74) and a fourth pressure regulating valve (84) which are connected between the fifth oil pump (43) and the drill rod clamping control execution assembly (141) and the drill rod rotation control execution assembly (142) which are connected in parallel, and the fourth pressure regulating valve (84) is communicated with a hydraulic oil tank (2);
the hydraulic oil tank (2) supplies oil to the first oil pump (31), the second oil pump (32), the third oil pump (41) and the fourth oil pump (42) which are connected in parallel through a first oil supply pipeline (211), and supplies oil to the fifth oil pump (43) through a second oil supply pipeline (212).
9. A dual power hydraulic system of a multi-function drilling machine according to claim 1, wherein,
the drilling machine positioning control execution assembly comprises a workbench rotation control execution assembly (121), a working arm pitching control execution assembly (122), an operation table lifting control execution assembly (123), a propelling beam lifting control execution assembly (124), a propelling beam swinging control execution assembly (125) and a propelling beam telescopic control execution assembly (126).
10. A multifunctional drilling machine comprises a crawler traveling unit, a drilling machine drilling unit and a drilling machine positioning unit, and is characterized in that,
the multi-function drilling machine further comprises a dual power hydraulic system of the multi-function drilling machine of any one of claims 1-9.
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| CN111350459B (en) * | 2020-03-12 | 2021-07-27 | 中煤科工集团西安研究院有限公司 | Double-diesel-engine power vehicle-mounted drilling machine and control method thereof |
| CN113339338A (en) * | 2021-05-20 | 2021-09-03 | 中冶交通建设集团有限公司 | Integrated pump station for drilling |
| CN115648866B (en) * | 2022-12-09 | 2023-04-28 | 中煤科工西安研究院(集团)有限公司 | Track and rail dual-purpose gallery core drilling machine and use method thereof |
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