CN113482521A - Parallel power system of rotary drilling rig - Google Patents
Parallel power system of rotary drilling rig Download PDFInfo
- Publication number
- CN113482521A CN113482521A CN202110838442.3A CN202110838442A CN113482521A CN 113482521 A CN113482521 A CN 113482521A CN 202110838442 A CN202110838442 A CN 202110838442A CN 113482521 A CN113482521 A CN 113482521A
- Authority
- CN
- China
- Prior art keywords
- motor
- generator
- storage unit
- energy storage
- transfer case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 238000004146 energy storage Methods 0.000 claims abstract description 39
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 239000000446 fuel Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005381 potential energy Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/008—Winding units, specially adapted for drilling operations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1415—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with a generator driven by a prime mover other than the motor of a vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
Abstract
The invention discloses a parallel power system of a rotary drilling rig, which comprises: the system comprises an engine, a transfer case, a master controller, an energy storage unit, a motor driving subsystem and a hydraulic driving subsystem. The motor driving subsystem is connected with a first output shaft of the transfer case, is used for providing power for the main winch and comprises a generator, a motor control unit, a motor and a speed reducer; the hydraulic drive subsystem is connected with the second output shaft of the transfer case and used for providing power for other working devices, and comprises a main pump, an auxiliary pump, a main hydraulic system and an auxiliary hydraulic system. The power system can reversely drag the motor to generate electricity when the drill rod is lowered, and feed back the electric energy to the generator and the energy storage unit to provide partial power for the assistance of the engine; meanwhile, when the engine runs under light load, the generator is used for generating electricity, so that the engine works in a fuel economy area, and the purpose of saving energy is achieved.
Description
Technical Field
The invention belongs to the field of engineering machinery, and particularly relates to a parallel power system of a rotary drilling rig.
Background
The rotary drilling rig is an engineering machine of piling industry, and is more and more widely applied by virtue of excellent performance in various large-scale pile foundation constructions. However, as market competition becomes more intense, the problems of high oil consumption and poor emission are attracting more and more attention.
In the rotary excavating operation process, the main winch is very frequently lowered to release a large amount of gravitational potential energy, in the prior art, the main winch system basically adopts an open-loop hydraulic driving system, the energy is basically consumed on the throttling loss of the balance valve, the energy is wasted, the heat load of the system is increased, and the service life of a hydraulic element is shortened. The energy storage device has the advantages that the energy in the lowering process of the main winch is stored and reused, the fuel economy of an engine is improved, the emission is reduced, and the important significance is achieved.
In patent CN102155160A, "a hybrid rotary drilling rig", an engine, a generator and a main pump are installed in series, and an auxiliary pump is independently driven by a motor, so that the formed hybrid system has an energy recovery and reuse function, but the axial length of the structure installed in series is generally longer, and is not beneficial to the reliability of the generator shaft and the main pump shaft for the working condition of severe vibration during the operation of the rotary drilling rig; the power of the auxiliary hydraulic system passes through the generator, the motor and the auxiliary pump, so that the energy conversion links are more, and energy loss exists; the main hoisting mechanism comprises a clutch and is complex in structure. In patent CN211924055U hybrid power system for engineering machinery and hybrid power rotary drilling rig, an engine, a generator and a main pump are installed in series, which also has the problem of reliability, and the power head is driven by a motor, and the impact force at the moment of starting is not as good as that of the hydraulic motor, resulting in the deterioration of soil throwing performance of the power head, and additionally increasing the construction time.
Disclosure of Invention
The invention aims to provide a parallel power system of a rotary drilling rig, which has the advantages of good fuel economy, high reliability, high transmission efficiency and good soil throwing performance of a power head.
The invention is realized by adopting the following technical scheme:
a parallel power system of a rotary drilling rig comprises: the system comprises an engine, a transfer case, a motor driving subsystem, a hydraulic driving subsystem, an energy storage unit and a master controller;
the output shaft of the engine is connected with the input shaft of the transfer case, and the output shaft of the transfer case comprises a first output shaft of the transfer case and a second output shaft of the transfer case;
the motor driving subsystem is connected with the I output shaft of the transfer case and used for realizing the lifting and lowering of the main winch and recovering the lowering potential energy; the motor driving subsystem comprises a generator, a motor control unit, a motor and a speed reducer; the generator is connected with the I output shaft of the transfer case, and the motor is coaxially connected with the main winch through the speed reducer; the energy storage unit is respectively connected with the generator and the motor through the motor control unit;
the hydraulic drive subsystem is connected with the II th output shaft of the transfer case and used for providing power for the hydraulic device, and the hydraulic drive subsystem comprises a pump which is coaxially connected with the II th output shaft of the transfer case.
And the master controller is respectively in signal connection with the engine, the pump, the motor control unit and the energy storage unit.
In some embodiments, the motor control unit is respectively connected with the generator, the motor and the energy storage unit, and is used for detecting and controlling the running state of the motor driving subsystem, and comprises:
after receiving a main winch lifting and releasing instruction sent by the master controller, the motor control unit correspondingly changes the load current of the generator and the motor, so that the action of the main winch is realized;
according to the electric energy use requirement, the electric energy flow direction among the generator, the motor and the energy storage unit is determined.
Further, according to the electric energy use demand, decide the electric energy flow direction between generator, motor and the energy storage unit three, include:
when the lifting speed of the main winch is high, the power requirement is high, and the generator and the energy storage unit supply power to the motor together;
when the lifting speed of the main winch is low, the power requirement is low, one part of electric energy of the generator is supplied to the motor, and the other part of electric energy is used for charging the energy storage unit;
when the drill rod is lowered, the main winch reversely drags the motor to generate electricity, and the electricity is fed back to the generator and the energy storage unit to provide part of power for the assistance of the engine.
In some embodiments, when the hydraulic drive subsystem runs under light load, the master controller controls the engine to simultaneously drive the generator to generate power, so that the engine works in a fuel economy area, and the purpose of saving energy is achieved.
In some embodiments, the pump comprises a primary pump and a secondary pump; the main pump and the auxiliary pump are coaxially connected with the II th output shaft of the transfer case and are respectively used for providing pressure oil for the main hydraulic system and the auxiliary hydraulic system to realize hydraulic drive.
Further, in some embodiments, the main hydraulic system includes a multi-way valve, a power head motor, and a rotary motor, the main pump is connected to the power head motor and the rotary motor through the multi-way valve, the power head motor is used for driving the power head device, and the rotary motor is used for driving the boarding rotary device.
In some embodiments, the parallel power system of the rotary drilling rig further comprises an electronic radiator, wherein the electronic radiator is connected with the energy storage unit and provides electric energy required by heat dissipation for the electronic radiator through the energy storage unit; and the electronic radiator is in signal connection with the master controller and is used for receiving a heat dissipation instruction issued by the master controller.
Compared with the prior art, the invention has the following beneficial effects:
1. the pump and the generator are installed in parallel, the axial length is short, and the anti-vibration performance is high.
2. When the drill rod is lowered, the main winch reversely drags the motor to generate electricity, electric energy is fed back to the generator and the energy storage unit, a part of power is provided for the assistance of the engine, and fuel consumption of the engine is saved.
3. When the engine runs under light load, the engine drives the generator to generate electricity, so that the engine works in a fuel economy area, and the purpose of energy conservation is achieved.
4. Because the hydraulic elements such as a pump, a motor, a balance valve, a pipeline, a joint and the like in the hydraulic driving system have pressure loss, the transmission efficiency is low, the energy loss of the main hoisting system driven by the motor is small, and the transmission efficiency is high.
5. The power head is driven by a hydraulic motor, the impact strength at the moment of starting is high, and the soil throwing performance is good.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure: 1. an engine; 2. a transfer case; 3. a main pump; 4. a primary hydraulic system; 4-1, a multi-way valve; 4-2, a power head motor; 4-3, a rotary motor; 5. a secondary pump; 6. a secondary hydraulic system; 7. a generator; 8. a motor control unit; 9. an electric motor; 10. a speed reducer; 11. main hoisting; 12. a master controller; 13. an energy storage unit; 14. a drill stem; 15. a pulley yoke; 16. an electronic heat sink.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may also include different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the claimed invention.
As shown in fig. 1, a parallel power system of a rotary drilling rig comprises: the system comprises an engine 1, a transfer case 2, a motor drive subsystem, a hydraulic drive subsystem, a master controller 12, an energy storage unit 13 and an electronic radiator 16.
The output shaft of the engine 1 is connected with the input shaft of the transfer case 2, and the output shaft of the transfer case comprises a first output shaft of the transfer case and a second output shaft of the transfer case;
the motor driving subsystem is connected with the I-th output shaft of the transfer case and used for providing power for the main winch 11, and comprises a generator 7, a motor control unit 8, a motor 9 and a speed reducer 10; the generator 7 is connected with the I output shaft of the transfer case, the motor 9 is coaxially connected with the main winch 11 through the speed reducer 10, and the energy storage unit 13 is respectively connected with the generator 7 and the motor 9 through the motor control unit 8;
the hydraulic drive subsystem is connected with the second output shaft of the transfer case and used for providing power for the hydraulic working device, and the hydraulic drive subsystem comprises a pump which is coaxially connected with the second output shaft of the transfer case.
In some embodiments, the pump includes a primary pump 3 and a secondary pump 5, and the hydraulic drive subsystem further includes a primary hydraulic system 4 and a secondary hydraulic system 6. The main pump and the auxiliary pump are coaxially connected with the II th output shaft of the transfer case and are respectively used for providing pressure oil for the main hydraulic system and the auxiliary hydraulic system, realizing hydraulic drive and providing power for other working devices except the main winch.
Further, the general controller 12 is in signal connection with the engine 1, the main pump 3, the auxiliary pump 5, the motor control unit 8, the energy storage unit 13 and the electronic radiator 16, and is used for signal communication among the components. Such as but not limited to: the signals comprise an engine target rotating speed signal, an engine actual rotating speed signal, a main pump control current, an auxiliary pump control current, a motor control signal, a main winch working mode signal, a voltage signal of the energy storage unit, a charging and discharging state signal of the energy storage unit, a control voltage of the electronic radiator and the like.
Further, the motor control unit 8 is respectively connected with the generator 7, the motor 9 and the energy storage unit 13 by wire signals, and is used for detecting and controlling the operation state of the motor driving subsystem. After the motor control unit receives the main winch lifting and releasing instruction sent by the master controller, the motor control unit correspondingly changes the load current of the generator and the motor, so that the action of the main winch is realized. Meanwhile, the motor control unit determines the electric energy flow direction among the generator, the motor and the energy storage unit according to the electric energy use requirement. For example, when the main winch lifts at a high speed, the power demand is high, and the generator and the energy storage unit supply power to the motor together; when the lifting speed of the main winch is low, the power requirement is low, the generator only supplies a part of electric energy to the motor, and the other part of electric energy can charge the energy storage unit.
In some embodiments, when the drill pipe 14 is lowered, the main winch 11 is under the gravity of the drill pipe to reversely drag the motor to generate electricity, and the electricity is fed back to the generator and the energy storage unit, at this time, the generator is converted into the working condition of the motor to provide a part of power for the auxiliary of the engine. When the engine runs under light load, the engine drives the generator to generate power at the same time, so that the engine works in a fuel economy area, the engine is prevented from only burning oil and not doing work, and the purpose of saving energy is achieved.
Furthermore, the main hydraulic system comprises a multi-way valve 4-1, a power head motor 4-2 and a rotary motor 4-3, the main pump is respectively connected with the power head motor 4-2 and the rotary motor 4-3 through the multi-way valve 4-1, the power head motor 4-2 is used for driving a power head device, and the rotary motor 4-3 is used for driving a boarding rotary device. The power head device and the getting-on slewing device are driven by hydraulic motors.
In some embodiments, in the parallel power system of the rotary drilling rig, the electronic radiator 16 is connected with the energy storage unit, and the energy storage unit provides electric energy required by heat dissipation for the electronic radiator; the electronic radiator is in signal connection with the master controller 12 and is used for receiving a radiating instruction issued by the master controller.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. The utility model provides a parallel driving system of rotary drilling rig which characterized in that includes: the system comprises an engine, a transfer case, a motor driving subsystem, a hydraulic driving subsystem, an energy storage unit and a master controller;
the output shaft of the engine is connected with the input shaft of the transfer case, and the output shaft of the transfer case comprises a first output shaft of the transfer case and a second output shaft of the transfer case;
the motor driving subsystem is connected with the I output shaft of the transfer case and used for realizing the lifting and lowering of the main winch and recovering the lowering potential energy; the motor driving subsystem comprises a generator, a motor control unit, a motor and a speed reducer; the generator is connected with the I output shaft of the transfer case, and the motor is coaxially connected with the main winch through the speed reducer; the energy storage unit is respectively connected with the generator and the motor through the motor control unit;
the hydraulic drive subsystem is connected with the II th output shaft of the transfer case and used for providing power for the hydraulic device, and the hydraulic drive subsystem comprises a pump which is coaxially connected with the II th output shaft of the transfer case.
2. The parallel power system of the rotary drilling rigs according to claim 1, wherein the master controller is in signal connection with the engine, the pump, the motor control unit and the energy storage unit respectively.
3. The parallel power system of the rotary drilling rig according to claim 2, wherein the motor control unit is connected with the generator, the motor and the energy storage unit respectively, and is used for detecting and controlling the running state of the motor drive subsystem, and the parallel power system comprises:
after receiving a main winch lifting and releasing instruction sent by the master controller, the motor control unit correspondingly changes the load current of the generator and the motor, so that the action of the main winch is realized;
according to the electric energy use requirement, the electric energy flow direction among the generator, the motor and the energy storage unit is determined.
4. The parallel power system of the rotary drilling rig according to claim 3, wherein the electric energy flow direction among the generator, the motor and the energy storage unit is determined according to the electric energy use requirement, and the method comprises the following steps:
when the lifting speed of the main winch is high, the power requirement is high, and the generator and the energy storage unit supply power to the motor together;
when the lifting speed of the main winch is low, the power requirement is low, one part of electric energy of the generator is supplied to the motor, and the other part of electric energy is used for charging the energy storage unit;
when the drill rod is lowered, the main winch reversely drags the motor to generate electricity, and the electricity is fed back to the generator and the energy storage unit to provide part of power for the assistance of the engine.
5. The parallel power system of the rotary drilling rigs according to claim 2, wherein the master controller controls the engine to simultaneously drive the generator to generate power when the hydraulic driving subsystem runs under light load, so that the engine works in a fuel economy area.
6. A parallel power system of rotary drilling rigs according to claim 1, wherein the pump comprises a main pump and an auxiliary pump; the main pump and the auxiliary pump are coaxially connected with the II th output shaft of the transfer case and are respectively used for providing pressure oil for the main hydraulic system and the auxiliary hydraulic system to realize hydraulic drive.
7. A parallel power system of rotary drilling rigs according to claim 6, wherein the main hydraulic system comprises a multi-way valve, a power head motor and a rotary motor, the main pump is connected with the power head motor and the rotary motor through the multi-way valve respectively, the power head motor is used for driving the power head device, and the rotary motor is used for driving the getting-on rotary device.
8. A parallel power system of a rotary drilling rig according to any one of claims 1-7, further comprising an electronic radiator, wherein the electronic radiator is connected with the energy storage unit, and the electronic radiator is supplied with electric energy required for heat dissipation through the energy storage unit.
9. A parallel power system of rotary drilling rigs according to any one of claims 8, wherein the electronic radiator is in signal connection with a master controller and is used for receiving a radiating instruction from the master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838442.3A CN113482521B (en) | 2021-07-23 | 2021-07-23 | Parallel power system of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838442.3A CN113482521B (en) | 2021-07-23 | 2021-07-23 | Parallel power system of rotary drilling rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113482521A true CN113482521A (en) | 2021-10-08 |
| CN113482521B CN113482521B (en) | 2024-04-05 |
Family
ID=77942364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110838442.3A Active CN113482521B (en) | 2021-07-23 | 2021-07-23 | Parallel power system of rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113482521B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115653031A (en) * | 2022-12-27 | 2023-01-31 | 徐州徐工矿业机械有限公司 | Power system of large-scale positive shovel type mining excavator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155160A (en) * | 2011-01-29 | 2011-08-17 | 湖南山河智能机械股份有限公司 | Hybrid rotary drilling machine |
| CN202970675U (en) * | 2012-09-29 | 2013-06-05 | 徐州雷曼机械科技有限公司 | Hydraulic control system for rotary expansion device of rotary drilling rig |
| CN110104576A (en) * | 2019-06-04 | 2019-08-09 | 上海中联重科桩工机械有限公司 | Rotary drilling rig master winch control system and rotary drilling rig |
| CN211924055U (en) * | 2019-12-25 | 2020-11-13 | 郑州宇通客车股份有限公司 | Hybrid power system for engineering machinery and hybrid power rotary drilling rig |
| CN112412330A (en) * | 2020-12-07 | 2021-02-26 | 郑州郑宇重工有限公司 | Power system of pure electric direct-drive rotary drilling rig and multi-motor cooperative control algorithm |
| CN112897372A (en) * | 2021-03-25 | 2021-06-04 | 徐州徐工基础工程机械有限公司 | Main hoisting system of rotary drilling rig |
| CN213575414U (en) * | 2020-10-14 | 2021-06-29 | 郑州郑宇重工有限公司 | Multimode hydraulic drive power system |
-
2021
- 2021-07-23 CN CN202110838442.3A patent/CN113482521B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155160A (en) * | 2011-01-29 | 2011-08-17 | 湖南山河智能机械股份有限公司 | Hybrid rotary drilling machine |
| CN202970675U (en) * | 2012-09-29 | 2013-06-05 | 徐州雷曼机械科技有限公司 | Hydraulic control system for rotary expansion device of rotary drilling rig |
| CN110104576A (en) * | 2019-06-04 | 2019-08-09 | 上海中联重科桩工机械有限公司 | Rotary drilling rig master winch control system and rotary drilling rig |
| CN211924055U (en) * | 2019-12-25 | 2020-11-13 | 郑州宇通客车股份有限公司 | Hybrid power system for engineering machinery and hybrid power rotary drilling rig |
| CN213575414U (en) * | 2020-10-14 | 2021-06-29 | 郑州郑宇重工有限公司 | Multimode hydraulic drive power system |
| CN112412330A (en) * | 2020-12-07 | 2021-02-26 | 郑州郑宇重工有限公司 | Power system of pure electric direct-drive rotary drilling rig and multi-motor cooperative control algorithm |
| CN112897372A (en) * | 2021-03-25 | 2021-06-04 | 徐州徐工基础工程机械有限公司 | Main hoisting system of rotary drilling rig |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115653031A (en) * | 2022-12-27 | 2023-01-31 | 徐州徐工矿业机械有限公司 | Power system of large-scale positive shovel type mining excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113482521B (en) | 2024-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8869923B2 (en) | Rock drilling rig and method for downhill drive | |
| US9382927B2 (en) | Apparatus and method for recuperation of hydraulic energy | |
| CN101675206A (en) | Rig engine control | |
| CN104201666A (en) | Petroleum drilling machine direct current micro-grid system | |
| CN107447803B (en) | The mechanical mining excavator of combination drive | |
| CN210917542U (en) | Energy recovery system of electric excavator | |
| CN108223499A (en) | A kind of motor-direct-drive type swing arm energy-recuperation system | |
| CN114604791B (en) | Power recovery system and power recovery method for hoisting mechanism of engineering machinery | |
| CN113482521B (en) | Parallel power system of rotary drilling rig | |
| CN108978774B (en) | Series-parallel hybrid power system for excavator | |
| CN204098776U (en) | Diesel generating set and flywheel energy storage micro-grid system | |
| CN112049177B (en) | Energy-saving device for electric recovery and reutilization of potential energy of movable arm of excavator | |
| CN102140896A (en) | Multi-hydraulic cylinder electric energy-accumulation well repairing machine with energy accumulator | |
| CN114620625A (en) | Power recovery system and power recovery method for hoisting mechanism of engineering machinery | |
| CN201963219U (en) | Multi-hydraulic cylinder electric energy-accumulating workover rig with energy accumulator | |
| CN114084825B (en) | Mechanical and hydraulic combined recovery and regeneration integrated winch driving system | |
| CN213869693U (en) | Pure electric direct-drive type rotary drilling rig power system suitable for rotary drilling rig | |
| CN211924055U (en) | Hybrid power system for engineering machinery and hybrid power rotary drilling rig | |
| US11661717B2 (en) | Pile press-in device and pile press-in method | |
| CN204103484U (en) | A kind of oil-well rig DC micro power grid system | |
| CN207453954U (en) | A kind of drilling machine direct-current micro-grid electric control gear | |
| CN206942659U (en) | A kind of flywheel energy storage self power generation Self propelled type well repairing machine | |
| CN114261911B (en) | Hybrid power system, construction machine, and control method for hybrid power system | |
| WO2024087819A1 (en) | Hybrid power rotary drilling rig and hydraulic system thereof, and method for controlling hydraulic system | |
| CN215761482U (en) | Hybrid rotary drilling rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |