CN105484665B - A kind of gas drilling helicoid hydraulic motor of gas drive liquid self-loopa - Google Patents
A kind of gas drilling helicoid hydraulic motor of gas drive liquid self-loopa Download PDFInfo
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- CN105484665B CN105484665B CN201511028393.8A CN201511028393A CN105484665B CN 105484665 B CN105484665 B CN 105484665B CN 201511028393 A CN201511028393 A CN 201511028393A CN 105484665 B CN105484665 B CN 105484665B
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- 239000007788 liquid Substances 0.000 title claims abstract description 71
- 238000005553 drilling Methods 0.000 title claims abstract description 60
- 239000012530 fluid Substances 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 238000005461 lubrication Methods 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000021615 conjugation Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 65
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000014759 maintenance of location 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
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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 present invention is that a kind of air drilling that is used for bores directional well, horizontal well and high angle hole, using gas drive liquid self-loopa, is capable of the gas drilling helicoid hydraulic motor of steady output torque;Including the motor assembly, universal axle assembly and driving-shaft assembly being sequentially connected from top to bottom, motor assembly include blade, air inlet, cam, cylinder, piston, connecting rod, exhaust outlet, inlet, fluid cylinder, liquid non-return valve, liquid storage cylinder, leakage fluid dram, fluid injection chamber, liquid injection hole, it is anti-cap off, rotor, stator and motor assembly housing;During gas drilling, the gases at high pressure injected using ground promote high speed piston to move back and forth, incompressible liquid realizes cyclic motions inside drive screw, pressure energy is converted into mechanical energy, rotate liquid-driving rotor, steady and sufficiently large moment of torsion is exported to drill bit by universal drive shaft and power transmission shaft, so as to realize gas drilling directional drilling operation.Efficiency of the present invention with steady output torque, extension drilling tool service life.
Description
Technical field
It is specifically a kind of to be used for air drilling brill directional well, water the present invention relates to drilling equipment technical field
Horizontal well and high angle hole, using gas drive liquid self-loopa, are capable of the gas drilling helicoid hydraulic motor of steady output torque.
Background technology
Gas drilling is one kind of under-balanced drilling technology, mainly using air, nitrogen, natural gas or diesel engine vent gas
Deng the drilling technology as circulatory mediator.At present, air drilling by it is universally acknowledged for it is a kind of effectively shorten drilling time,
Reduce drilling cost, liberate the practical technique of oil-gas Layer, it has also become the important means of oil gas field Efficient Development.But existing gas
Drilling technology and equipment are mainly used in straight well, can't efficiently complete directed drilling formation directional well, horizontal well and multiple-limb
Well etc., seriously limits the application of gas drilling.The main cause of gas drilling quagmire is caused to be a lack of reliable fit
Key equipment-gas drilling helicoid hydraulic motor for gas drilling directional drilling.Because gas is compressibility medium so that
Output torque value is low in use for conventional gas helicoid hydraulic motor, torque output is unstable, causes after drilling tool suppresses and stop and discharge
, there is phenomenons such as " drivings ", causes existing gas drilling helicoid hydraulic motor poor performance, life-span low in high-speed rotation, it is impossible to reliable and stable,
Efficiently and safely carry out gas drilling directional drilling.
Overcome " driving " phenomenon of gas screw rod, realize the steady output of gas drilling moment of torsion, extend the use longevity of drilling tool
Life is that gas horizontal well drilling, directional well are successfully crucial.Therefore design invented it is a kind of be used for gas bore directional well, horizontal well and
High angle hole, using gas drive liquid self-loopa, is capable of the gas helicoid hydraulic motor of steady output torque.The present invention is based on material power
Learn, engineering mechanics and hydrodynamics, by reasonably designing, use for reference " engine " principle, make full use of gas drilling high pressure,
Under big flow, compressibility recyclegas, planned well " engine ", the gases at high pressure exported using surface compressor, which are promoted, to be started
Screw-plunger mechanism is moved back and forth at a high speed under motor-pumped well, and incompressible liquid realizes cyclic motions inside drive screw, makes liquid
Drive rotor is rotated, and realizes the energy directional conversion of gas pressure energy-mechanical energy (piston)-liquid pressure energy-mechanical energy (rotor), defeated
Go out steady and sufficiently large moment of torsion to drill bit, so as to realize gas drilling directional drilling operation.
The content of the invention
The purpose of the present invention is that there is provided a kind of gas drilling screw drill of gas drive liquid self-loopa for above-mentioned problem
Tool, being capable of steady output torque, the directional drilling operation for gas brill directional well, horizontal well and high angle hole.
To achieve the above object, the technical solution adopted by the present invention is:A kind of gas drilling screw rod of gas drive liquid self-loopa
Drilling tool, including motor assembly, universal axle assembly and the driving-shaft assembly being sequentially connected from top to bottom;The motor assembly includes leaf
Piece, air inlet A, air inlet B, cam, cylinder A, cylinder B, piston A, piston B, connecting rod, exhaust outlet A, exhaust outlet 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, note
Fluid apertures, it is anti-cap off, rotor, stator and motor assembly housing;The motor assembly housing internal upper part setting two is symmetrical
Set piston A and piston B, the piston A and piston B that cavity is divided into the corresponding cylinder A in top in cavity, the cavity gentle
Cylinder B, bottom corresponding fluid cylinder A and fluid cylinder B, the connecting rod are located between piston A and piston B, the air inlet A and air inlet B
Cylinder A and cylinder B top are correspondingly arranged at, the exhaust outlet A and exhaust outlet B are correspondingly arranged at cylinder A and cylinder B top
Portion, the cam is located at coaxially connected, the cam between air inlet and cylinder and with blade above air inlet A/B
Rotate being turned on and off for controllable air inlet A, air inlet B, exhaust outlet A and exhaust outlet B, B pairs of the inlet A and inlet
It should be connected located at fluid cylinder A with fluid cylinder B outer wall and with fluid injection chamber, fluid cylinder A and fluid cylinder the B bottom passes through corresponding liquid
Body check valve A is connected with liquid non-return valve B with liquid storage cylinder;The stator is located at the bottom of motor assembly, for spiral endoporus
Pipe, the rotor is in the stator, and rotor helical-screw extends upwardly in liquid storage cylinder and anti-caps off connection, the rotor outer wall
For with stator inner hole coordinate it is spiral yarn shaped, stator and rotor conjugation are engaged.
Further, the universal axle assembly includes universal drive shaft assembly shell, universal in universal drive shaft assembly shell
Axle and rotor-universal shaft coupling, the universal drive shaft are connected by the rotor bottom of rotor-universal shaft coupling and motor assembly, will
The eccentric motion of rotor is transformed to the System of Rotating about Fixed Axis of power transmission shaft, while transferring torque to power transmission shaft.
Further, the driving-shaft assembly includes power transmission shaft, journal bearing and driving-shaft assembly housing, the power transmission shaft
In transmission shaft shell, journal bearing is located between transmission shaft shell and power transmission shaft.
Further, the driving-shaft assembly also includes upper journal bearing moving-coil and upper radial bearing static ring of drive, the upper footpath
It is located between the transmission shaft shell on journal bearing and power transmission shaft, and is formed for lubrication to bearing moving-coil and upper radial bearing static ring of drive
The lubricating cavity of oil lubrication.
Further, the driving-shaft assembly also includes lower radial bearing moving-coil and lower radial bearing Jing Quan, the lower footpath
It is located between the transmission shaft shell under journal bearing and power transmission shaft, and is formed for lubrication to bearing moving-coil and lower radial bearing Jing Quan
The lubricating cavity of oil lubrication.
Further, the driving-shaft assembly also includes upper journal bearing moving-coil, upper radial bearing static ring of drive, lower radial bearing
Moving-coil and lower radial bearing Jing Quan;The power transmission shaft of the upper journal bearing moving-coil and upper radial bearing static ring of drive on journal bearing
Between housing and power transmission shaft, and form the lubricating cavity for oil lubrication;The lower radial bearing moving-coil and lower radial bearing are quiet
Circle is located between the transmission shaft shell under journal bearing and power transmission shaft, and forms the lubricating cavity for oil lubrication.
Further, anti-cap off between rotor is threaded connection.
The method have the benefit that:Compared with prior art, a kind of gas of gas drive liquid self-loopa of the invention is bored
Well helicoid hydraulic motor, the gases at high pressure injected using gas drilling promote high speed piston to move back and forth, and can not be pressed inside drive screw
Contracting liquid realizes cyclic motions, is rotated using liquid-driving screw rotor, export it is steady with sufficiently large moment of torsion to drill bit, from
And realize gas drilling directional drilling operation.Overcome " driving " phenomenon of conventional gas screw rod, realize the flat of gas drilling moment of torsion
Steady output, extends the service life of drilling tool.The present invention bores directional well, horizontal well and extended reach well technology for gas and provides one kind
New equipment.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of 3-D view of the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa of the invention;
Fig. 2 is M-M cross section views, is the cross-section structure view of the present invention;
Fig. 3 is N-N cross section views, is the cross-section structure view of the present invention;
Fig. 4 is the M-M section motor assembly schematic diagrames of the present invention;
Fig. 5 is the N-N section motor assembly schematic diagrames of the present invention;
Fig. 6 is A-A cross section views in Fig. 4 and Fig. 5, is the cylinder intake runner cam mechanism schematic diagram of the present invention;
Fig. 7 is B-B cross section views in Fig. 4 and Fig. 5, is cylinder intake runner hole and the signal of grate flow channel hole of the present invention
Figure;
Fig. 8 is the cam mechanism schematic three dimensional views of the present invention;
Fig. 9 is gas and liquid motion track schematic diagram during motor assembly reciprocating motion of the pistons of the invention;
Figure 10 is the movement locus schematic diagram of discharge gas during motor assembly reciprocating motion of the pistons of the invention;
Figure 11 is the discharge gas of the invention movement locus schematic diagram in universal axle assembly and driving-shaft assembly;
Label in figure:1- blades, 2- motor assemblies, the universal axle assemblies of 3-, 4- driving-shaft assemblies, 5- air inlet A, 6- air inlets
Mouthful B, 7- cam, 8- cylinder A, 9- cylinder B, 10- piston A, 11- piston B, 12- connecting rod, 13- exhaust outlet A, 14- exhaust outlets 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 storages
Chamber, 22- leakage fluid dram A, 23- leakage fluid dram B, 24- fluid injections chamber, 25- liquid injection holes, 26- be anti-to be capped off, 27- rotors, 28- stators, 29- horses
It is upper radially up to assembly shell, 30- rotors-universal shaft coupling, 31- universal drive shafts, 32- universal drive shafts assembly shell, 33- power transmission shafts, 34-
The upper radial bearing static ring of drive of bearing moving-coil, 35-, 36- journal bearings, 37- lower radial bearings moving-coil, 38- lower radial bearings Jing Quan,
39- driving-shaft assembly housings.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
As Figure 1-3, a kind of gas drilling helicoid hydraulic motor of gas drive liquid self-loopa, including blade 1, motor assembly 2, ten thousand
To axle assembly 3, driving-shaft assembly 4, air inlet A5, air inlet B6, cam 7, cylinder A8, cylinder B9, piston A10, piston B11,
Connecting rod 12, exhaust outlet A13, exhaust outlet 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, it is anti-cap off 26, rotor 27,
Stator 28, motor assembly housing 29, rotor-universal shaft coupling 30, universal drive shaft 31, universal drive shaft assembly shell 32, power transmission shaft 33, on
The quiet circle 38 of journal bearing moving-coil 34, upper radial bearing static ring of drive 35, journal bearing 36, lower radial bearing moving-coil 37, lower radial bearing
With driving-shaft assembly housing 39.
As shown in figure 1, a kind of gas drilling helicoid hydraulic motor of gas drive liquid self-loopa, including motor is sequentially connected from top to bottom
Assembly 2, universal axle assembly 3 and driving-shaft assembly 4;
As shown in Figure 2-5, motor assembly 2 include blade 1, air inlet A5, air inlet B6, cam 7, cylinder A8, cylinder B9,
Piston A10, piston B11, connecting rod 12, exhaust outlet A13, exhaust outlet 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
25th, prevent capping off 26, rotor 27, stator 28 and motor assembly housing 29;
Motor assembly housing internal upper part, which is set, sets piston A and piston B, piston A in two symmetrical cavitys, cavity
Cavity is divided into the corresponding cylinder A and cylinder B in top, bottom corresponding fluid cylinder A and fluid cylinder B with piston B, connecting rod is located at piston A
Between piston B, air inlet A and air inlet B are correspondingly arranged at cylinder A and cylinder B top, and exhaust outlet A and exhaust outlet B are right
Should be located at cylinder A and cylinder B top, cam be located between air inlet and cylinder and with the blade above air inlet A/B
Coaxially connected, cam rotation can control being turned on and off for air inlet A, air inlet B, exhaust outlet A and exhaust outlet B, inlet A and
Inlet B is correspondingly arranged at fluid cylinder A and connected with fluid cylinder B outer wall and with fluid injection chamber, and fluid cylinder A and fluid cylinder B bottoms pass through correspondence
Liquid non-return valve A connected with liquid non-return valve B with liquid storage cylinder;Stator is located at the bottom of motor assembly, for spiral endoporus
Pipe, rotor in the stator, rotor helical-screw extend upwardly in liquid storage cylinder and it is anti-cap off connection, rotor outer wall is and stator
Inner hole it is spiral yarn shaped, stator and rotor conjugation are engaged.
Motor assembly housing connects portion's drilling tool, and ground gases at high pressure enter screw rod by top drilling tool and motor assembly housing
Drilling tool cylinder runner, drives blade to rotate, because cam is coaxial with blade, so as to drive cam rotation, thus control cylinder A,
The opening and closing of cylinder B air inlets and exhaust outlet, cylinder A air inlet A is closed when cylinder B air inlet B is opened, while gas
Cylinder B exhaust outlet B is closed, and cylinder A exhaust outlet A is opened;Gases at high pressure are entered in cylinder B by air inlet B, promote piston B to move
It is dynamic, drive fluid cylinder B inlet B to close, liquid enters liquid storage cylinder by liquid non-return valve B in driving fluid cylinder B, simultaneously because living
Plug A be connected with piston B by connecting rod, piston A is moved round about, from inlet A suction self-loopa liquid, and make gas by
Exhaust outlet A discharge cylinders A.
Universal axle assembly include universal drive shaft assembly shell 32, the universal drive shaft 31 in universal drive shaft assembly shell and rotor-
Universal shaft coupling 30, universal drive shaft is connected by the rotor bottom of rotor-universal shaft coupling and motor assembly, and the bias of rotor is transported
The dynamic System of Rotating about Fixed Axis for being transformed to power transmission shaft, while transferring torque to power transmission shaft.
Driving-shaft assembly includes power transmission shaft 33, journal bearing 36 and driving-shaft assembly housing 39, and power transmission shaft is located at power transmission shaft
In housing, journal bearing is located between transmission shaft shell and power transmission shaft.
In order to ensure that power transmission shaft is steadily operated, driving-shaft assembly also includes upper journal bearing moving-coil 34, upper radial bearing static
Circle 35, lower radial bearing moving-coil 37 and the quiet circle 38 of lower radial bearing;Upper journal bearing moving-coil and upper radial bearing static ring of drive are located at footpath
To between the transmission shaft shell and power transmission shaft on bearing and forming lubricating cavity for oil lubrication;Lower radial bearing moving-coil and
Lower radial bearing Jing Quan is located between the transmission shaft shell under journal bearing and power transmission shaft and forms the lubrication for oil lubrication
Chamber;Driving-shaft assembly bears the side force that rotor is made to produce when bending load caused by planetary motion and drill bit rotation, it is ensured that pass
Moving axis can steadily output torque and transmission the pressure of the drill.
As shown in fig. 6, by the rotation control air inlet A of cam, air inlet B, exhaust outlet A and exhaust outlet B unlatching and
Close, control inflow and discharge cylinder A, the cylinder B of gas.
As shown in Figure 7 and Figure 8, exhaust passage bypasses in inlet channel, therefore B-B cross section views from cylinder top and has two
Individual air inlet, four air exits.
As shown in figure 9, after the liquid with pressure energy enters liquid storage cylinder, passing through the shape of annular seal space between rotor and stator
Into, change and disappear, force rotor to make continuous motion in the stator, rotor, which is rotated, drives universal drive shaft rotation, then drives power transmission shaft
Bush(ing) bearing bears the axially and radially load produced by the pressure of the drill in rotation, driving-shaft assembly, it is ensured that power transmission shaft can be put down
The rotary power of motor is passed to drill bit by steady output torque, power transmission shaft again.Liquid is through rotor bottom leakage fluid dram A and leakage fluid dram B
In outflow, influent circulation canal, when inlet B is opened, liquid is flowed into fluid cylinder A.Can by liquid injection hole ground to
Fluid injection chamber adds circulating liquid, it is ensured that have the liquid of abundance in motor to meet the requirement of driving rotor.Therefore, liquid is in screw rod
Self-loopa is realized in driller motor, is rotated by liquid rotor driven, " driving " phenomenon of conventional gas screw rod is overcome, realizes gas
The steady output of body drilling torque, extends the service life of drilling tool.
As shown in Figure 10 and Figure 11, the gas of motor discharge enters gas flow channel in motor through exhaust outlet B, and passes through
Universal axle assembly, into power transmission shaft, eventually enters into drill bit, realizes flowing of the gas in helicoid hydraulic motor.Universal drive shaft is rotor
Eccentric motion be converted into fixed-axis rotation, in conjunction with driving-shaft assembly, the rotating speed and moment of torsion of motor are smoothly exported to drill bit.
Gas drilling helicoid hydraulic motor two ends of the present invention are female joint, one end connection top drilling tool, other end connection drill bit.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) with the general understanding identical meaning with the those of ordinary skill in art of the present invention.Should also
Understand, those terms defined in such as general dictionary, which should be understood that, to be had and the meaning in the context of prior art
The consistent meaning of justice, and unless defined as here, will not be explained with idealization or excessively formal implication.
One of ordinary skill in the art will appreciate that:The part in device in embodiment can be according to embodiment description point
It is distributed in the device of embodiment, respective change can also be carried out and be disposed other than in one or more devices of the present embodiment.On
The part for stating embodiment can be merged into a part, can also be further split into multiple subassemblies.
It should be noted last that:Above example is only used to illustrative and not limiting technical scheme, although ginseng
The present invention is described in detail according to above-described embodiment, it will be apparent to an ordinarily skilled person in the art that:Still can be to this
Invention is modified or equivalent substitution, any modification or partial replacement without departing from the spirit and scope of the present invention, and its is equal
It should cover among scope of the presently claimed invention.
Claims (7)
1. a kind of gas drilling helicoid hydraulic motor of gas drive liquid self-loopa, it is characterised in that including the horse being sequentially connected from top to bottom
Up to assembly, universal axle assembly and driving-shaft assembly, the motor assembly includes blade, air inlet A, air inlet B, cam, cylinder
A, cylinder B, piston A, piston B, connecting rod, exhaust outlet A, exhaust outlet B, inlet A, inlet B, fluid cylinder A, fluid cylinder B, liquid are unidirectional
Valve A, liquid non-return valve B, liquid storage cylinder, leakage fluid dram A, leakage fluid dram B, fluid injection chamber, liquid injection hole, it is anti-cap off, rotor, stator and motor it is total
Into housing;The motor assembly housing internal upper part, which is set, sets piston A and piston in two symmetrical cavitys, the cavity
Cavity is divided into top corresponding cylinder A and cylinder B, bottom corresponding fluid cylinder A and fluid cylinder B, institute by B, the piston A and piston B
State connecting rod to be located between piston A and piston B, the air inlet A and air inlet B are correspondingly arranged at cylinder A and cylinder B top,
The exhaust outlet A and exhaust outlet B are correspondingly arranged at cylinder A and cylinder B top, and the cam is located at air inlet A/B and cylinder
Between A/B and coaxially connected with blade above air inlet A/B, the cam rotation can control air inlet A, air inlet
B, exhaust outlet A and exhaust outlet B's is turned on and off, and the inlet A and inlet B are correspondingly arranged at fluid cylinder A and fluid cylinder B outer wall
It is upper and connect with fluid injection chamber, fluid cylinder A and fluid cylinder the B bottom by corresponding liquid non-return valve A and liquid non-return valve B with
Liquid storage cylinder is connected;The stator is located at the bottom of motor assembly, and for the pipe with spiral endoporus, the rotor is located at stator
Interior, rotor helical-screw extends upwardly in liquid storage cylinder and prevents capping off connection, and the rotor outer wall is the spiral coordinated with stator inner hole
Linear, stator is engaged with rotor conjugation.
2. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa according to claim 1, it is characterised in that the universal drive shaft is total
Into including universal drive shaft assembly shell, the universal drive shaft in universal drive shaft assembly shell and rotor-universal shaft coupling, the universal drive shaft
Connected by the rotor bottom of rotor-universal shaft coupling and motor assembly, the eccentric motion of rotor is transformed to determining for power transmission shaft
Axle rotates, while transferring torque to power transmission shaft.
3. the gas drilling helicoid hydraulic motor of gas drive liquid self-loopa according to claim 1, it is characterised in that the power transmission shaft is total
Into including power transmission shaft, journal bearing and driving-shaft assembly housing, the power transmission shaft is in transmission shaft shell, and journal bearing is located at
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 characterised in that the power transmission shaft is total
Into upper journal bearing moving-coil and upper radial bearing static ring of drive is also included, upper the journal bearing moving-coil and upper radial bearing static ring of drive are located at
Between transmission shaft shell and power transmission shaft on journal bearing, 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 characterised in that the power transmission shaft is total
Into lower radial bearing moving-coil and lower radial bearing Jing Quan is also included, the lower radial bearing moving-coil and lower radial bearing Jing Quan are located at
Between transmission shaft shell and power transmission shaft under journal bearing, 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, it is characterised in that the power transmission shaft is total
Into also including upper journal bearing moving-coil, upper radial bearing static ring of drive, lower radial bearing moving-coil and lower radial bearing Jing Quan;The upper footpath
It is located between the transmission shaft shell on journal bearing and power transmission shaft, and is formed for lubrication to bearing moving-coil and upper radial bearing static ring of drive
The lubricating cavity of oil lubrication;The lower radial bearing moving-coil and lower radial bearing Jing Quan be located at journal bearing under transmission shaft shell and
Between 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, it is characterised in that it is described it is anti-cap off and
It is threaded connection between rotor.
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CN107217982A (en) * | 2017-07-11 | 2017-09-29 | 中煤科工集团西安研究院有限公司 | Underground coal mine drilling multistage deslagging air screw motor |
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BE758504A (en) * | 1969-11-07 | 1971-04-16 | Atlas Copco Ab | ELASTIC PRESSURE FLUID MOTOR |
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CN1289785C (en) * | 2001-09-19 | 2006-12-13 | 石油勘探开发科学研究院钻井工艺研究所 | Method and equipment for solving air screw rod drill tool runaway problem |
CA2500155A1 (en) * | 2005-03-14 | 2006-09-14 | Dale G. Crooks | Percussion adaptor for positive displacement motors |
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CN204024463U (en) * | 2014-08-27 | 2014-12-17 | 中国石油集团川庆钻探工程有限公司 | Double-acting pneumatic power nipple suitable for gas drilling underground power drilling tool |
CN204024465U (en) * | 2014-08-27 | 2014-12-17 | 中国石油集团川庆钻探工程有限公司 | Closed circulating type liquid drive motor suitable for gas drilling downhole power drilling tool |
CN205370438U (en) * | 2015-12-31 | 2016-07-06 | 西南石油大学 | Gas drilling screw rod drilling tool of gas drive liquid self -loopa |
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CN107217982A (en) * | 2017-07-11 | 2017-09-29 | 中煤科工集团西安研究院有限公司 | Underground coal mine drilling multistage deslagging air screw motor |
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