CN105484665A - Gas drive liquid self-circulation gas drilling positive screw drill - Google Patents
Gas drive liquid self-circulation gas drilling positive screw drill Download PDFInfo
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- CN105484665A CN105484665A CN201511028393.8A CN201511028393A CN105484665A CN 105484665 A CN105484665 A CN 105484665A CN 201511028393 A CN201511028393 A CN 201511028393A CN 105484665 A CN105484665 A CN 105484665A
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- 239000007788 liquid Substances 0.000 title claims abstract description 74
- 238000005553 drilling Methods 0.000 title claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims description 53
- 230000003068 static effect Effects 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 10
- 238000005461 lubrication Methods 0.000 claims description 10
- 230000021615 conjugation Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 58
- 238000010586 diagram Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 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
- E21B4/00—Drives for drilling, used in the borehole
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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
- E21B7/04—Directional 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
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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)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Hydraulic Motors (AREA)
Abstract
The invention provides a gas drilling positive screw drill which is used for directional well drilling, horizontal well drilling and highly-deviated well drilling through a gas drilling technology, utilizes gas drive liquid self circulation and can stably output the torque; the drill comprises a motor assembly, a cardan shaft assembly and a transmission shaft assembly which are connected in sequence from top to bottom, the motor assembly comprises a blade, air inlets, a cam, air cylinders, pistons, a connecting rod, exhaust outlets, liquid inlets, hydraulic cylinders, liquid one-way valves, a liquid storage chamber, liquid outlets, a liquid injection chamber, a liquid injection hole, an anti-falling cap, a rotor, a stator and a motor assembly shell; in the gas drilling process, high pressure gas introduced from the ground is utilized for pushing the pistons to make high-speed reciprocating movement, incompressible liquid in a screw rod is driven to achieve self-circulation movement, pressure energy is converted into mechanical energy, the liquid drives the rotor to rotate, the torque which is stable and sufficient enough is output to a drill bit through a cardan shaft and a transmission shaft, and thereby gas drilling directional drilling operation is achieved. The drill has the advantages that the torque is output stably, and the service life of the drill is prolonged.
Description
Technical field
The present invention relates to drilling equipment technical field, a kind of air drilling that is used for bores directional well, horizontal well and high angle hole specifically, utilizes the self-loopa of gas drive liquid, can the gas drilling helicoid hydraulic motor of steady output torque.
Background technology
Gas drilling is the one of under-balanced drilling technology, mainly adopts air, nitrogen, natural gas or diesel engine vent gas etc. as the drilling technology of circulatory mediator.At present, air drilling by universally acknowledged be a kind of effective shortening drilling time, reduce drilling cost, liberation oil-gas Layer practical technique, become the important means of oil gas field Efficient Development.But existing air drilling and equipment are mainly used in straight well, efficiently can't complete directed drilling and form directional well, horizontal well and multilateral well etc., seriously limit the range of application of gas drilling.The main cause of gas drilling quagmire is caused to be lack the key equipment-gas drilling helicoid hydraulic motor being applicable to gas drilling directional drilling reliably.Because gas is compressibility medium, in use output torque value is low, moment of torsion output is unstable to make conventional gas helicoid hydraulic motor, cause drilling tool to suppress and stop and discharge rear high-speed rotation, there is phenomenons such as " drivings ", cause existing gas drilling helicoid hydraulic motor poor performance, life-span low, can not reliable and stable, carry out gas drilling directional drilling efficiently and safely.
Overcome " driving " phenomenon of gas screw rod, realize the steady output of gas drilling moment of torsion, the application life extending drilling tool is that gas horizontal well drilling, directional well are successfully crucial.Therefore design has been invented and has a kind ofly been bored directional well, horizontal well and high angle hole for gas, utilizes the self-loopa of gas drive liquid, can the gas helicoid hydraulic motor of steady output torque.The present invention is based on the mechanics of materials, engineering mechanics and hydrodynamics, by rational design, use for reference " motor " principle, make full use of gas drilling high pressure, large discharge, compressibility recyclegas, under planned well " motor ", the gases at high pressure utilizing surface compressor to export promote motor down-hole screw-plunger mechanism and move back and forth at a high speed, the inner incompressible liquid of drive screw realizes cyclic motions, make liquid-driving rotor turns, the energy directional realizing gas pressure energy-mechanical energy (piston)-liquid pressure energy-mechanical energy (rotor) transforms, export steady and enough large moment of torsion to drill bit, thus realize gas drilling directional drilling operation.
Summary of the invention
The object of the invention is for above-mentioned Problems existing, the gas drilling helicoid hydraulic motor of a kind of gas drive liquid self-loopa is provided, can steady output torque, the directional drilling operation of directional well, horizontal well and high angle hole is bored for gas.
For achieving the above object, the technical solution used in the present invention is: the gas drilling helicoid hydraulic motor of a kind of gas drive liquid self-loopa, comprises the motor assembly, universal drive shaft assembly and the driving-shaft assembly that connect successively from top to bottom, described motor assembly comprises blade, air inlet port A, air inlet port B, cam, cylinder A, cylinder B, piston A, piston B, connecting rod, exhaust opening A, exhaust opening B, inlet A, inlet B, fluid cylinder A, fluid cylinder B, liquid non-return valve A, liquid non-return valve B, liquid storage cylinder, leakage fluid dram A, leakage fluid dram B, fluid injection chamber, liquid injection hole, anti-lost cap, rotor, stator and motor assembly housing, described motor assembly housing internal upper part arranges two symmetrical cavitys, piston A and piston B is set in described cavity, the cylinder A that cavity is divided into top corresponding by described piston A and piston B and cylinder B, the fluid cylinder A that bottom is corresponding and fluid cylinder B, described connecting rod is located between piston A and piston B, described air inlet port A and the equal correspondence of air inlet port B are located at the top of cylinder A and cylinder B, described exhaust opening A and the equal correspondence of exhaust opening B are located at the top of cylinder A and cylinder B, described cam is located between air inlet port and cylinder, and be coaxially connected with the blade be located at above air inlet port A/B, described cam rotates can control air inlet port A, air inlet port B, the unlatching of exhaust opening A and exhaust opening B or closedown, described inlet A and inlet B correspondence is located on the outer wall of fluid cylinder A and fluid cylinder B, and be communicated with fluid injection chamber, described fluid cylinder A is all communicated with liquid storage cylinder with liquid non-return valve B by corresponding liquid non-return valve A with bottom fluid cylinder B, the bottom of motor assembly is located at by described stator, for having the pipe of spiral endoporus, described rotor is located in stator, and rotor helical-screw extends upwardly in liquid storage cylinder and is connected with anti-lost cap, described rotor outer wall is coordinate with stator inner hole spiral yarn shaped, and stator engages with rotor conjugation.
Further, described universal drive shaft assembly comprises universal drive shaft assembly shell, be located at universal drive shaft in universal drive shaft assembly shell and rotor-universal drive shaft joint, described universal drive shaft is connected with the rotor bottom of motor assembly by rotor-universal drive shaft joint, the eccentric motion of rotor is transformed to the System of Rotating about Fixed Axis of power transmission shaft, transmitting torque is to power transmission shaft simultaneously.
Further, described driving-shaft assembly comprises power transmission shaft, journal bearing and driving-shaft assembly housing, and described power transmission shaft is located in transmission shaft shell, and journal bearing is located between transmission shaft shell and power transmission shaft.
Further, described driving-shaft assembly also comprises journal bearing moving-coil and upper radial bearing static ring of drive, described upper journal bearing moving-coil and upper radial bearing static ring of drive are located between transmission shaft shell on journal bearing and power transmission shaft, and form the lubricating cavity for oil lubrication.
Further, described driving-shaft assembly also comprises lower radial bearing moving-coil and lower radial bearing Jing Quan, described lower radial bearing moving-coil and lower radial bearing Jing Quan are located between transmission shaft shell under journal bearing and power transmission shaft, and form the lubricating cavity for oil lubrication.
Further, described driving-shaft assembly also comprises journal bearing moving-coil, upper radial bearing static ring of drive, lower radial bearing moving-coil and lower radial bearing Jing Quan; Described upper journal bearing moving-coil and upper radial bearing static ring of drive are located between transmission shaft shell on journal bearing and power transmission shaft, and form the lubricating cavity for oil lubrication; Described lower radial bearing moving-coil and lower radial bearing Jing Quan are located between transmission shaft shell under journal bearing and power transmission shaft, and form the lubricating cavity for oil lubrication.
Further, between described anti-lost cap and rotor for being threaded.
Advantageous Effects of the present invention is: compared with prior art, the gas drilling helicoid hydraulic motor of a kind of gas drive liquid of the present invention self-loopa, the gases at high pressure utilizing gas drilling to inject promote high speed piston and move back and forth, the inner incompressible liquid of drive screw realizes cyclic motions, liquid-driving screw rotor is utilized to rotate, export steady and enough large moment of torsion to drill bit, thus realize gas drilling directional drilling operation.Overcome " driving " phenomenon of conventional gas screw rod, realize the steady output of gas drilling moment of torsion, extend the application life of drilling tool.The present invention is that gas brill directional well, horizontal well and extended reach well technology provide a kind of equipment newly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the 3-D view of the gas drilling helicoid hydraulic motor of a kind of gas drive liquid of the present invention self-loopa;
Fig. 2 is M-M cross section view, is cross-section structure view of the present invention;
Fig. 3 is N-N cross section view, is cross-section structure view of the present invention;
Fig. 4 is M-M section motor assembly schematic diagram of the present invention;
Fig. 5 is N-N section motor assembly schematic diagram of the present invention;
Fig. 6 is A-A cross section view in Fig. 4 and Fig. 5, is cylinder intake runner cam mechanism schematic diagram of the present invention;
Fig. 7 is B-B cross section view in Fig. 4 and Fig. 5, is cylinder intake runner hole of the present invention and grate flow channel hole schematic diagram;
Fig. 8 is cam mechanism schematic three dimensional views of the present invention;
Fig. 9 is gas and liquid movement locus schematic diagram in motor assembly reciprocating motion of the pistons process of the present invention;
Figure 10 is the movement locus schematic diagram of Exhaust Gas in motor assembly reciprocating motion of the pistons process of the present invention;
Figure 11 is Exhaust Gas of the present invention movement locus schematic diagram in universal drive shaft assembly and driving-shaft assembly;
Number in the figure: 1-blade, 2-motor assembly, 3-universal drive shaft assembly, 4-driving-shaft assembly, 5-air inlet port A, 6-air inlet port B, 7-cam, 8-cylinder A, 9-cylinder B, 10-piston A, 11-piston B, 12-connecting rod, 13-exhaust opening A, 14-exhaust opening B, 15-inlet A, 16-inlet B, 17-fluid cylinder A, 18-fluid cylinder B, 19-liquid non-return valve A, 20-liquid non-return valve B, 21-liquid storage cylinder, 22-leakage fluid dram A, 23-leakage fluid dram B, 24-fluid injection chamber, 25-liquid injection hole, the anti-lost cap of 26-, 27-rotor, 28-stator, 29-motor assembly housing, 30-rotor-universal drive shaft joint, 31-universal drive shaft, 32-universal drive shaft assembly shell, 33-power transmission shaft, the upper journal bearing moving-coil of 34-, the upper radial bearing static ring of drive of 35-, 36-journal bearing, 37-lower radial bearing moving-coil, 38-lower radial bearing Jing Quan, 39-driving-shaft assembly housing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The aspect that the present invention adds and advantage will part provide in the following description, and these will become obvious from the following description, or be recognized by practice of the present invention.
As Figure 1-3, the gas drilling helicoid hydraulic motor of a kind of gas drive liquid self-loopa, comprise blade 1, motor assembly 2, universal drive shaft assembly 3, driving-shaft assembly 4, air inlet port A5, air inlet port B6, cam 7, cylinder A8, cylinder B9, piston A10, piston B11, connecting rod 12, exhaust opening A13, exhaust opening B14, inlet A15, inlet B16, fluid cylinder A17, fluid cylinder B18, liquid non-return valve A19, liquid non-return valve B20, liquid storage cylinder 21, leakage fluid dram A22, leakage fluid dram B23, fluid injection chamber 24, liquid injection hole 25, anti-lost cap 26, rotor 27, stator 28, motor assembly housing 29, rotor-universal drive shaft joint 30, universal drive shaft 31, universal drive shaft assembly shell 32, power transmission shaft 33, upper journal bearing moving-coil 34, upper radial bearing static ring of drive 35, journal bearing 36, lower radial bearing moving-coil 37, the quiet circle 38 of lower radial bearing and driving-shaft assembly housing 39.
As shown in Figure 1, the gas drilling helicoid hydraulic motor of a kind of gas drive liquid self-loopa, comprises from top to bottom connecting motor assembly 2, universal drive shaft assembly 3 and driving-shaft assembly 4 successively;
As shown in Figure 2-5, motor assembly 2 comprises blade 1, air inlet port A5, air inlet port B6, cam 7, cylinder A8, cylinder B9, piston A10, piston B11, connecting rod 12, exhaust opening A13, exhaust opening B14, inlet A15, inlet B16, fluid cylinder A17, fluid cylinder B18, liquid non-return valve A19, liquid non-return valve B20, liquid storage cylinder 21, leakage fluid dram A22, leakage fluid dram B23, fluid injection chamber 24, liquid injection hole 25, anti-lost cap 26, rotor 27, stator 28 and motor assembly housing 29;
Motor assembly housing internal upper part arranges two symmetrical cavitys, piston A and piston B is set in cavity, the cylinder A that cavity is divided into top corresponding by piston A and piston B and cylinder B, the fluid cylinder A that bottom is corresponding and fluid cylinder B, connecting rod is located between piston A and piston B, air inlet port A and the equal correspondence of air inlet port B are located at the top of cylinder A and cylinder B, exhaust opening A and the equal correspondence of exhaust opening B are located at the top of cylinder A and cylinder B, cam is located between air inlet port and cylinder, and be coaxially connected with the blade be located at above air inlet port A/B, cam rotates can control air inlet port A, air inlet port B, the unlatching of exhaust opening A and exhaust opening B or closedown, inlet A and inlet B correspondence is located on the outer wall of fluid cylinder A and fluid cylinder B, and be communicated with fluid injection chamber, fluid cylinder A is all communicated with liquid storage cylinder with liquid non-return valve B by corresponding liquid non-return valve A with bottom fluid cylinder B, the bottom of motor assembly is located at by stator, and for having the pipe of spiral endoporus, rotor is located in stator, and rotor helical-screw extends upwardly in liquid storage cylinder and is connected with anti-lost cap, and rotor outer wall is coordinate with stator inner hole spiral yarn shaped, and stator engages with rotor conjugation.
Motor assembly housing connects portion's drilling tool, ground gases at high pressure enter helicoid hydraulic motor cylinder runner by top drilling tool and motor assembly housing, drive blade rotation, because cam and blade are coaxial, thus band moving cam rotates, thus the opening and closing of control cylinder A, cylinder B air inlet port and exhaust opening, when the air inlet port B of cylinder B opens, the air inlet port A of cylinder A closes, the exhaust opening B of cylinder B closes simultaneously, and the exhaust opening A of cylinder A opens; Gases at high pressure enter in cylinder B by air inlet port B, promote piston B to move, the inlet B of fluid cylinder B is driven to close, liquid in fluid cylinder B is driven to enter liquid storage cylinder by liquid non-return valve B, simultaneously because piston A is connected by connecting rod with piston B, piston A moves round about, sucks self-loopa liquid from inlet A, and makes gas discharge cylinder A by exhaust opening A.
Universal drive shaft assembly comprises universal drive shaft assembly shell 32, be located at universal drive shaft 31 in universal drive shaft assembly shell and rotor-universal drive shaft joint 30, universal drive shaft is connected with the rotor bottom of motor assembly by rotor-universal drive shaft joint, the eccentric motion of rotor is transformed to the System of Rotating about Fixed Axis of power transmission shaft, transmitting torque is to power transmission shaft simultaneously.
Driving-shaft assembly comprises power transmission shaft 33, journal bearing 36 and driving-shaft assembly housing 39, and power transmission shaft is located in transmission shaft shell, and journal bearing is located between transmission shaft shell and power transmission shaft.
In order to ensure power transmission shaft smooth operation, driving-shaft assembly also comprises the quiet circle 38 of journal bearing moving-coil 34, upper radial bearing static ring of drive 35, lower radial bearing moving-coil 37 and lower radial bearing; Upper journal bearing moving-coil and upper radial bearing static ring of drive to be located between transmission shaft shell on journal bearing and power transmission shaft and the lubricating cavity formed for oil lubrication; Lower radial bearing moving-coil and lower radial bearing Jing Quan to be located between transmission shaft shell under journal bearing and power transmission shaft and the lubricating cavity formed for oil lubrication; The lateral force that driving-shaft assembly produces when bearing the bending load and drill bit rotational that rotor causes do planetary motion, ensures that power transmission shaft can steadily output torque and transmission the pressure of the drill.
As shown in Figure 6, controlled the opening and closing of air inlet port A, air inlet port B, exhaust opening A and exhaust opening B by the rotation of cam, control the inflow of gas and discharge cylinder A, cylinder B.
As shown in Figure 7 and Figure 8, inlet channel is walked around from cylinder top in exhaust passage, therefore has two air inlet ports in B-B cross section view, four air exits.
As shown in Figure 9, after the liquid with pressure energy enters liquid storage cylinder, by the formation of annular seal space between rotor and stator, change and disappearance, rotor is forced to do continuous motion in the stator, rotor turns drives universal drive shaft to rotate, then drives power transmission shaft to rotate, and in driving-shaft assembly, bush(ing) bearing bears the axis and radial load that the pressure of the drill produces, ensure that power transmission shaft can steady output torque, the rotary power of motor is passed to drill bit by power transmission shaft again.Liquid flows out through rotor bottom leakage fluid dram A and leakage fluid dram B, and in influent circulation canal, when inlet B opens, liquid flows in fluid cylinder A.Add circulating fluid on ground to fluid injection chamber by liquid injection hole, ensure there is sufficient liquid in motor with the requirement of satisfied driving rotor.Therefore, liquid realizes self-loopa in screw drilling tool motor, is rotated by liquid rotor driven, overcomes " driving " phenomenon of conventional gas screw rod, realizes the steady output of gas drilling moment of torsion, extends the application life of drilling tool.
As shown in Figure 10 and Figure 11, the gas that motor is discharged enters gas flow channel in motor through exhaust opening B, and by universal drive shaft assembly, enters in power transmission shaft, finally enter drill bit, realize the flowing of gas in helicoid hydraulic motor.Universal drive shaft converts fixed-axis rotation to the eccentric motion of rotor, then in conjunction with driving-shaft assembly, the rotating speed of motor and moment of torsion is exported to drill bit reposefully.
Gas drilling helicoid hydraulic motor two ends of the present invention are female joint, connection top, one end drilling tool, and the other end connects drill bit.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
One of ordinary skill in the art will appreciate that: the parts in the device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The parts of above-described embodiment can merge into parts, also can split into multiple subassembly further.
It should be noted last that: above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment to invention has been detailed description, will be understood by those skilled in the art that: still can modify to the present invention or equivalent replacement, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa, it is characterized in that, comprise the motor assembly, universal drive shaft assembly and the driving-shaft assembly that connect successively from top to bottom, described motor assembly comprises blade, air inlet port A, air inlet port B, cam, cylinder A, cylinder B, piston A, piston B, connecting rod, exhaust opening A, exhaust opening B, inlet A, inlet B, fluid cylinder A, fluid cylinder B, liquid non-return valve A, liquid non-return valve B, liquid storage cylinder, leakage fluid dram A, leakage fluid dram B, fluid injection chamber, liquid injection hole, anti-lost cap, rotor, stator and motor assembly housing, described motor assembly housing internal upper part arranges two symmetrical cavitys, piston A and piston B is set in described cavity, the cylinder A that cavity is divided into top corresponding by described piston A and piston B and cylinder B, the fluid cylinder A that bottom is corresponding and fluid cylinder B, described connecting rod is located between piston A and piston B, described air inlet port A and the equal correspondence of air inlet port B are located at the top of cylinder A and cylinder B, described exhaust opening A and the equal correspondence of exhaust opening B are located at the top of cylinder A and cylinder B, described cam is located between air inlet port and cylinder, and be coaxially connected with the blade be located at above air inlet port A/B, described cam rotates can control air inlet port A, air inlet port B, the unlatching of exhaust opening A and exhaust opening B or closedown, described inlet A and inlet B correspondence is located on the outer wall of fluid cylinder A and fluid cylinder B, and be communicated with fluid injection chamber, described fluid cylinder A is all communicated with liquid storage cylinder with liquid non-return valve B by corresponding liquid non-return valve A with bottom fluid cylinder B, the bottom of motor assembly is located at by described stator, for having the pipe of spiral endoporus, described rotor is located in stator, and rotor helical-screw extends upwardly in liquid storage cylinder and is connected with anti-lost cap, described rotor outer wall is coordinate with stator inner hole spiral yarn shaped, and stator engages with rotor conjugation.
2. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa according to claim 1, it is characterized in that, described universal drive shaft assembly comprises universal drive shaft assembly shell, be located at universal drive shaft in universal drive shaft assembly shell and rotor-universal drive shaft joint, described universal drive shaft is connected with the rotor bottom of motor assembly by rotor-universal drive shaft joint, the eccentric motion of rotor is transformed to the System of Rotating about Fixed Axis of power transmission shaft, transmitting torque is to power transmission shaft simultaneously.
3. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa according to claim 1, it is characterized in that, described driving-shaft assembly comprises power transmission shaft, journal bearing and driving-shaft assembly housing, and described power transmission shaft is located in transmission shaft shell, and journal bearing is located between transmission shaft shell and power transmission shaft.
4. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa according to claim 3, it is characterized in that, described driving-shaft assembly also comprises journal bearing moving-coil and upper radial bearing static ring of drive, described upper journal bearing moving-coil and upper radial bearing static ring of drive are located between transmission shaft shell on journal bearing and power transmission shaft, and form the lubricating cavity for oil lubrication.
5. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa according to claim 3, it is characterized in that, described driving-shaft assembly also comprises lower radial bearing moving-coil and lower radial bearing Jing Quan, described lower radial bearing moving-coil and lower radial bearing Jing Quan are located between transmission shaft shell under journal bearing and power transmission shaft, and form the lubricating cavity for oil lubrication.
6. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa according to claim 3, is characterized in that, described driving-shaft assembly also comprises journal bearing moving-coil, upper radial bearing static ring of drive, lower radial bearing moving-coil and lower radial bearing Jing Quan; Described upper journal bearing moving-coil and upper radial bearing static ring of drive are located between transmission shaft shell on journal bearing and power transmission shaft, and form the lubricating cavity for oil lubrication; Described lower radial bearing moving-coil and lower radial bearing Jing Quan are located between transmission shaft shell under journal bearing and power transmission shaft, and form the lubricating cavity for oil lubrication.
7. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa according to claim 1, is characterized in that, for being threaded between described anti-lost cap and rotor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511028393.8A CN105484665B (en) | 2015-12-31 | 2015-12-31 | A kind of gas drilling helicoid hydraulic motor of gas drive liquid self-loopa |
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| CN201511028393.8A CN105484665B (en) | 2015-12-31 | 2015-12-31 | A kind of gas drilling helicoid hydraulic motor of gas drive liquid self-loopa |
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| CN105484665B CN105484665B (en) | 2017-08-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761383A (en) * | 2017-01-09 | 2017-05-31 | 西南石油大学 | A kind of gas drive is surged the air distributing device of gas screw drilling tool motor assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107217982B (en) * | 2017-07-11 | 2019-03-05 | 中煤科工集团西安研究院有限公司 | The multistage deslagging air screw motor of underground coal mine drilling |
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|---|---|
| CN105484665B (en) | 2017-08-01 |
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