CN107299825A - A kind of inertial confinement induction drilling apparatus with PDC drill bit - Google Patents
A kind of inertial confinement induction drilling apparatus with PDC drill bit Download PDFInfo
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- CN107299825A CN107299825A CN201710558964.1A CN201710558964A CN107299825A CN 107299825 A CN107299825 A CN 107299825A CN 201710558964 A CN201710558964 A CN 201710558964A CN 107299825 A CN107299825 A CN 107299825A
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- planet carrier
- output shaft
- input shaft
- sun gear
- face
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- 238000005553 drilling Methods 0.000 title claims abstract description 66
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- 239000007788 liquid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
- E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/006—Mechanical motion converting means, e.g. reduction gearings
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Retarders (AREA)
Abstract
A kind of inertial confinement induction drilling apparatus with PDC drill bit, planet carrier is sleeved on the external peripheral surface of sun gear input shaft, and small Sliding bush is sleeved on the circumferential surface of the sun gear input shaft；4 planetary gear shafts are distributed on the surface of the planet carrier；8 planetary gears are divided into 2 groups, and make 2 groups of planetary gears axially arrangement is sleeved in each planetary gear shaft, wherein first group of planetary gear is close to sun gear input shaft connection drill collar end；First group of planetary end face is fitted with the inner face of sun gear input shaft one end step by end force bearing.Planet carrier output shaft is sleeved on the external peripheral surface of the sun gear input shaft, and the inner face of the planet carrier output shaft is fitted with the outer face of the planet carrier.The present invention is completed on planet wheel decelerator architecture basics, with impact stable and continuous, durability guarantee, ensures drilling eyelet quality, and the characteristics of low energy consumption.
Description
Technical field
The present invention relates to field of oil drilling, it is adaptable to a kind of equipment of oil PDC drill bit drilling well.
Background technology
The stratum for meeting anisotropy or hard inclusions is often bored in Process of Oil Well Drilling, often causes the viscous of drilling system
Slide, take off pressure, bouncing of drilling tool, collapse the phenomenons such as tooth and breaking, had a strong impact on drilling progress, quality control.As modern industry is automated
Technology development is goed deep into, the contradiction of drilling progress, the technical requirements of quality control and cost control, in the urgent need to one kind
Reliable, steady, efficient drilling technology equipment can be realized under harsh environments.
A kind of shock absorbing type high frequency torsion impact device is disclosed in Application No. CN201610099208.2 innovation and creation.Should
Impactor is mainly used in petroleum drilling technology field, more particularly to a kind of shock absorbing type high frequency torsion impact device.The invention is impacted
The more other drilling tools of frequency at least lift 1 times, and the disc spring group for being installed in drilling tool bottom from drill string axial vibrations absorbs, Quan Mianbao
Protect the cutting tooth of PDC drill bit.
A kind of gas drilling of gas drive liquid self-loopa is disclosed in Application No. CN201511028393.8 innovation and creation
Helicoid hydraulic motor.The drilling tool is that a kind of air drilling that is used for bores directional well, horizontal well and high angle hole, is followed certainly using gas drive liquid
Ring, is capable of the gas drilling helicoid hydraulic motor of steady output torque；Motor assembly, universal drive shaft including being sequentially connected from top to bottom are total
Into and driving-shaft assembly.The invention has steady output torque, extends the efficiency of drilling tool service life.
《Petroleum machinery》2013.42 document report SLTIT type torsional pulse drilling speed instrument eliminates PDC drill bit card and slided
Phenomenon, raising bad ground rate of penetration.The instrument is used cooperatively with PDC drill bit, forms a kind of new drilling engineering speed-raising skill
Art, while drilling period is shortened, additionally it is possible to stable drilling process, extends drill tool life.Using fluid dynamic theory, 3D
Test life ＞ 150H in the method for production that Virtual Design technology is combined with experimental study, speed-raising toolroom.
《Oil drilling technology》2015.1 documents report three kinds of speed-raising technologies of current domestic and international application respectively：Hydraulic rotary-percussion
Speed-raising instrument, screw rod or turbine motor drilling tool and air drilling.
Above-mentioned drilling tool patented technology all has the application effect of preferable drilling speed, but needs slush pump or gas pump
Power is supported, and one side energy consumption is larger；On the other hand unable to do what one wishes or without fluid circulation drilling is crept into for deep-well not applying to.
Above-mentioned data in literature retrieval, has not seen the document report independent of hydrokinetic inertial confinement drilling apparatus.
The content of the invention
To overcome the shortcomings of that dependence fluid circulation power and energy consumption present in prior art are larger, the present invention is proposed
A kind of inertial confinement induction drilling apparatus with PDC drill bit.
The present invention includes sun gear input shaft, inertia duplex gear ring, planetary gear, end force bearing, planet carrier output
Axle, planet carrier, planetary gear shaft, small Sliding bush and bull torsionspring.Wherein：The planet carrier is sleeved on the sun gear
The external peripheral surface of input shaft, small Sliding bush is sleeved on the circumferential surface of the sun gear input shaft；4 planetary gear shafts are uniform
On the surface of the planet carrier；8 planetary gears are divided into 2 groups, and make being sleeved on for 2 groups of planetary gears axial direction arrangement described
In each planetary gear shaft, wherein first group of planetary gear is close to sun gear input shaft connection drill collar end；First group of row
The end face of star gear is fitted with the inner face of sun gear input shaft one end step by end force bearing.
The planet carrier output shaft is sleeved on the external peripheral surface of the sun gear input shaft, and makes the planet carrier output shaft
Inner face fitted with the outer face of the planet carrier.
One end of the inertia duplex gear ring is sleeved on the external peripheral surface of described sun gear input shaft connection drill collar one end,
The other end of the inertia duplex gear ring is sleeved on the external peripheral surface of the planet carrier output shaft, and makes in the inertia duplex gear ring
Engaged between the inner surface in portion and the planetary external peripheral surface；The inner surface and sun gear of the inertia duplex gear ring
Intracavitary Zhou You great Sliding bushes between the outer surface of input shaft.
The bull torsionspring involves the bull torsionspring of constraint for elasticity, and the bull torsionspring is sleeved on described
The external peripheral surface of planet carrier output shaft is stated, and makes the inner face of the bull torsionspring and the outer end of the inertia duplex gear ring
Face is fitted together to, and the end face of the outer end of the bull torsionspring is consolidated by the outer end end face of fixing bolt and the planet carrier output shaft
Tightly.
The external peripheral surface of one end of the sun gear input shaft is isometrical section, and the external peripheral surface of the other end is multistage
Step-like, the circumferential surface of first order step therein is first group of planetary matching surface, the circumference of second level step
Surface is the mounting surface of end force bearing, and the circumferential surface of third level step is the mounting surface of inertia duplex gear ring, and
The circumferential surface of the third level step has the boss of radially protruding, the axially position for the inertia duplex gear ring.It is described too
The external diameter of sun isometrical section of input shaft of wheel is identical with the internal diameter of planet carrier, and makes isometrical section of the sun gear input shaft and the first order
The end face of step difference turns into the axial locating surface of the planet carrier between ledge surface；The external diameter of the third level step and the row
The maximum outside diameter of carrier output shaft is identical.
The inner end face of the planet carrier output shaft is evenly equipped with the pin-and-hole for installing the planet carrier.The planet carrier is exported
The inner surface of axle outer end is the flank for connecting drill bit.The inner inner surface of the planet carrier output shaft is isometrical section, this etc.
The internal diameter of footpath section is identical with the external diameter of the sun gear input shaft, the planet carrier output shaft is inputted shaft clearance with the sun gear
Coordinate.The internal diameter in the planet carrier output shaft inner surface stage casing is identical with the external diameter of the assembling nut, exports the planet carrier
Axle coordinates with the assembling nut gap.The outer surface diameter in the planet carrier stage casing is minimum, and the appearance at the stage casing and two ends
With chamfered transition, the cooperation of the planet carrier output shaft outer surface and bull torsionspring inner surface is formd in the stage casing for face
Gap, is used as the deformation space of the bull torsionspring；The inner external peripheral surface of the planet carrier output shaft is cascaded surface, is used for
The inertia duplex gear ring is installed.The bull torsionspring is sleeved on the external peripheral surface of planet carrier output shaft.
The planetary modulus is 1.0~5.0.
The inner circumferential surface of the inertia duplex gear ring is axially arranged with 2 groups of straight-sided flanks engaged with the planetary gear.
The inner circumferential surface of described inertia duplex gear ring one end coordinates with the step surface on sun gear input shaft one end excircle, separately
The inner circumferential surface of one end coordinates with the step surface on planet carrier output shaft excircle.It is defeated in the inertia duplex gear ring and planet carrier
Shaft coordinates the end face of one end uniformly fluted, for being fitting to connection with the end face of bull torsionspring.
Pressed in the tail end of the sun gear input shaft equipped with assembling nut；The assembling nut sleeve is inputted mounted in the sun gear
The external peripheral surface of axle, and in the sun gear input shaft external peripheral surface and planet carrier output shaft inner circumferential surface it
Between.
The planet carrier is hollow revolving body.Planetary mounting hole is evenly equipped with the housing of the planet carrier.Institute
State and four axis holes for being used to install each planet carrier output shaft are evenly equipped with the end face of planet carrier two ends；Described axis hole respectively with respectively
The two ends insertion of described rectangular through-hole, and make the mutual corresponding through hole being located at respectively on the end face of planet carrier two ends concentric.
There is axially projecting annular boss at the inner edge of planet carrier one end end face, the boss is seam.
The external diameter of the planet carrier is less than the internal diameter of the inertia duplex gear ring, and the internal diameter of the planet carrier is more defeated than sun gear
Enter the big 3~8mm of external diameter of axle.
The present invention is completed on planet wheel decelerator architecture basics.The structure of the present invention is made up of five parts：First
Part is assembling planet carrier output block：Eight planetary gears are fixed on planet carrier output shaft by 4 planetary gear shafts, are formed
Planet carrier output block；Part II is that big Sliding bush is filled on sun gear input shaft, and is set with the inertia that elasticity involves
Duplex gear ring, it is ensured that the inner ring end face of inertia duplex gear ring is in interference fits with big Sliding bush；Part III is in the sun
Small Sliding bush and end face bearing are installed on wheel input shaft, then planet carrier is loaded between sun wheel shaft and inertia duplex gear ring
Output shaft assembly, it is ensured that central gear, planetary gear are intermeshed with inline gear, and small Sliding bush and carrier output shaft
The interference fits of part, and by the assembling nut check planet carrier output shaft part of sun gear input shaft end, also to install additional
Anti-withdrawing bolt ensures reliable lock；Part IV is the big Sliding bush that the other end is installed in carrier output shaft assembly, and outside
Portion's suit elasticity involves the bull torsionspring of constraint so that its end involves the end that groove involves inertia duplex gear ring with elasticity
Portion involves groove mutual cooperation, forms inertia torsion and involves mechanism；Part V is in bull torsionspring and planet carrier output shaft
The end that part coordinates, the other end of ingot bull torsionspring is locked with 4 fixing screw constraints, then Standard is completed.
The problem of for the vibration of existing drilling system, bouncing of drilling tool and de- pressure, the present invention proposes inertial confinement induction drilling side
Method.The present invention is using the impact shock response theory of rotor dynamics inertial load, a kind of inertial confinement that repeat is realized
Induce drilling method.The principle of the invention is to discharge the free degree constraint of rotor inertia constraint induction, the design of replacement system statics
Method, matches the circumferential change impacts vibratory response of independent inertial confinement, alleviates the drilling body that drill bit creeps into the card that is hampered
Be wave motion response, the basic machining condition of stable drilling system, the method for realizing continuous-stable drilling, be drill deeply, deep hole
Processing and high-efficient cutting provide a kind of method of brand-new inertial confinement induction drilling.
Compared with prior art, the present invention has 5 features：
1) stable and continuous is impacted：Alleviate drill bit to be hampered shock motion, suppress to eliminate the vibration of drill string system from source；It is hampered
Timely respond to brokenly resistance, it is to avoid drilling interruption, ensure that cutting is continuous；
Drill bit, which is hampered, produces the side knock ripple of torsional shear, and is communicated up torsional pulse horizontal stroke by inertia planet carrier 9
Ripple, and resolve into three tunnels and be communicated up.First via shock wave decomposes Partial Shear shock wave by torsionspring 12, but by turning round
The flexible peak value by shearing impact ripple for turning spring buffers reduction；Second tunnel and the 3rd road shock wave respectively by planetary gear 8 and
Sun gear 1 decomposes impulsive torque by gearratio, and wherein most impulsive torque is delivered on inertia duplex external toothing 4, only small
Part torsional impact ripple is transmitted on drilling rod alleviates shock motion significantly, it is suppressed that drill string system vibratory impulse in response to belt is come
Oscillating movement, reduce drill vibration.
Simultaneously when drilling starts bit cutting, drill bit is not reaching to before the cutting moment of torque, and the moment of torsion that sun gear 1 is inputted is first
To be stored in the form of potential energy in torsionspring 12.When drill bit reaches the cutting moment of torque, apparatus of the present invention and drill bit synchronous rotary
Drilling, drilling has just begun with progress.Once drill bit is hampered in drilling process, the inertia duplex external toothing 4 of synchronous axial system is relied on
Inertia discharges section store potential energy, and moment is added on drill bit, extra broken rock moment of torsion is accordingly provided, while its velocity of rotation
It is corresponding to reduce.The extra broken rock moment of torsion and the size of deceleration that the present apparatus is provided depend on the size being hampered, and be hampered big release energy
Amount is more, slows down big, vice versa.Energy after drill bit broken rock discharges suddenly, and drill bit can show rotation acceleration and advance by leaps and bounds；Slow down simultaneously
The also synchronous drilling velocity of rotation for requiring to accelerate follow-up original of inertia duplex external toothing 4；As a result it is exactly the energy discharged after broken rock
Amount is redistributed, and drill bit accelerates to advance by leaps and bounds to slow down, and inertia duplex external toothing 4 is synchronous with coming up.The alternate stress that such drill bit is subject to
Reduce, complete a cutting circulation for taking turns shock response, the cycle period that drill bit is continuously buffered is formed, and forms the bar of continuous cutting
Part.
2) durability guarantee：Structure slows down the alternate stress that drill bit is subject to, and ensures drill bit fatigue life.
Rock cutting needs drill bit to undertake certain loading stress level, but if the fluctuation of this loading stress is excessive,
Damage drill bit will be easier by fluctuating shock loading；If drill bit the pressure of the drill and kinetic stability are good in continuous drilling, drill bit is cut
The fluctuation for cutting mean stress is small, that is, the stress ratio of alternation fluctuating load is small.The present invention by above-mentioned buffer shock-absorbing system,
Can effectively control the stress fluctuation amplitude of alternate load, the impact of cushioned drill bit inertial oscillation, reduce drill bit break resistance advance by leaps and bounds with
And the impact velocity that is hampered, realize the durability guarantee of drilling life of bit.
3) hole quality ensures：Continuous and stable Drilling bore bit is not swung, and eye diameter is secure, the smooth rule of eyelet；
Just because of above-mentioned buffering and reason, drilling rod wave motion response is small and bit cutting is continuous, and drilling rod is not easy
The motion stabilization sex chromosome mosaicism of brill is now put, drill bit only has the cutting movement of rotation, and the revolution motion of rare swing drilling then creeps into hole
The amplification degree of eye diameter is just guaranteed.The drill bit movement track stable and continuous cut simultaneously, so drilling eyelet relative smooth rule
Then.
4) economy：Without extra power demand, no displacement requirements do not flog a dead horse, low energy consumption；
Relative to both at home and abroad using fluid displacement come the patent of invention of assisted machining, the Tork Buster of such as Atlas
The technologies such as drilling tool, and screw pump combined drilling are rushed with domestic torsion, well head will necessarily be increased under equal mud displacement
The energy consumption consumption that mud plunger pump load is brought.Apparatus of the present invention are without fluid dynamic demand, also unlike Atlas Tork
Buster active attack rocks, are only that passive response is cut after being hampered.Apparatus of the present invention do not consume fluid dynamic, also not blindly
The power of drill string conduction is consumed, then energy consumption is reduced naturally.
5) novelty：Conventional static design concept is broken through, applied dynamics design principles realizes technology.
The design principle of apparatus of the present invention is the design concept from dynamics, is related to rotation, speed, vibration, punching
Hit, frequency response, advance by leaps and bounds and the concept of time such as sluggishness.Not only theory structure is peculiar, its dynamic design method and bump vibration
Concept is also novel.
Brief description of the drawings
Fig. 1 is the inertial confinement drilling apparatus structure chart with PDC drill bit, wherein, 1a is front view, and 1b is 1a A-A
Direction view；
Fig. 2 is sun gear input shaft structure schematic diagram, wherein, 2a is front view, and 2b is right view；
Fig. 3 is planet carrier output shaft structural representation, wherein, 3a is left view, and 3b is front view；
Fig. 4 is planetary gear construction schematic diagram, wherein, 4a is left view, and 4b is front view, and 4c is axonometric drawing；
Fig. 5 is planetary gear shaft structural representation, wherein, 5a is left view, and 5b is front view；
Fig. 6 is inertia duplex gear ring structure schematic diagram, wherein, 6a is front view, and 6b is right view, and 6c is axonometric drawing；
Fig. 7 is planet carrier structure schematic diagram, and 7a is front view, and 7b is right view, and 7c is axonometric drawing；
Fig. 8 is bull torsion-spring structure schematic diagram, and 8a is front view, and 8b is 8a sectional view.In figure：
1. sun gear input shaft；2. big Sliding bush；3. end force bearing；4. inertia duplex gear ring；5. planetary gear；
6. planet carrier；7. planetary gear shaft；8. small Sliding bush；9. planet carrier output shaft；10. assemble nut；11. Anti-withdrawing bolt；12.
Bull torsionspring；13. fixing bolt.
Embodiment
The present embodiment is a kind of inertial confinement drilling apparatus with PDC drill bit, including sun wheel input shaft 1, inertia duplex
Gear ring 4, planetary gear 5, end force bearing 3, planet carrier output shaft 6, planetary gear shaft 7, small Sliding bush 8 and bull are reversed
Spring 12.
Wherein：The planet carrier 6 is sleeved on the external peripheral surface of the sun gear input shaft 1, and 4 planetary gear shafts 7 are equal
Cloth is on the surface of the planet carrier；8 planetary gears 5 are divided into 2 groups, and make being sleeved on for 2 groups of planetary gears axial direction arrangement
In each planetary gear shaft, wherein first group of planetary gear is close to sun gear input shaft connection drill collar end；Described first
The planetary end face of group is fitted with the inner face of sun gear input shaft one end step by end force bearing 3.
The planet carrier output shaft 9 is sleeved on the external peripheral surface of the sun gear input shaft 1, and exports the planet carrier
The inner face of axle is fitted with the outer face of the planet carrier.Small Sliding bush 1 is sleeved on the circumference table of the sun gear input shaft 1
Face；The tail end that nut 10 is located at the sun gear input shaft is assembled, the external peripheral surface of the sun gear input shaft is sleeved on, and locate
Between the external peripheral surface of the sun gear input shaft and the inner circumferential surface of planet carrier output shaft 9.It is described assembling nut with
The end face of sun gear input shaft 1, which is matched somebody with somebody, is drilled with Anti-withdrawing bolt 11.
One end of the inertia duplex gear ring 4 is sleeved on the cylindrical weekly form of described sun gear input shaft connection drill collar one end
Face, the other end of the inertia duplex gear ring is sleeved on the external peripheral surface of the planet carrier output shaft 9, and makes the inertia duplex-gear
Engaged between inner surface and the external peripheral surface of the planetary gear 5 in the middle part of circle；The inner surface of the inertia duplex gear ring with
Intracavitary Zhou You great Sliding bushes 2 between the outer surface of sun gear input shaft 1.
The bull torsionspring 12 involves the bull torsionspring of constraint for elasticity, and the bull torsionspring 12 is sleeved on
It is described to state the external peripheral surface of planet carrier output shaft 9, and make the inner face and the inertia duplex gear ring 4 of the bull torsionspring
Outer face be fitted together to, the end face of the outer end of the bull torsionspring is outer by fixing bolt 13 and the planet carrier output shaft 9
End face is held to fasten.
The sun gear input shaft 1 is quill shaft.The external peripheral surface of one end of the sun gear input shaft is isometrical section, separately
The external peripheral surface of one end is multistage step-like, and the circumferential surface of first order step therein planetary is matched somebody with somebody for first group
Surface is closed, the circumferential surface of second level step is the mounting surface of end force bearing, and the circumferential surface of third level step is inertia
The mounting surface of duplex gear ring 4, and have the boss of radially protruding in the circumferential surface of the third level step, it is double for the inertia
Join the axially position of gear ring.The external diameter of isometrical section of the sun gear input shaft is identical with the internal diameter of planet carrier 6, and makes the sun gear
The end face of step difference turns into the axial locating surface of the planet carrier 6 between isometrical section of input shaft and the first order ledge surface；Institute
The external diameter for stating third level step is identical with the maximum outside diameter of the planet carrier output shaft 9.
The planet carrier output shaft 9 is hollow revolving body.The inner end face of the planet carrier output shaft is evenly equipped with pin-and-hole, is used for
The planet carrier 6 is installed.The inner surface of the planet carrier output shaft outer end is the flank for connecting drill bit.The planet carrier is exported
The inner inner surface of axle is isometrical section, and isometrical section of the internal diameter is identical with the external diameter of the sun gear input shaft 1, makes the planet carrier
Output shaft coordinates with sun gear input shaft clearance.The internal diameter in the inner surface stage casing of planet carrier output shaft 9 and the assembling
The external diameter of nut 10 is identical, the planet carrier output shaft is coordinated with the assembling nut gap.The outer surface in the planet carrier stage casing
Diameter is minimum, and the stage casing and two ends outer surface with chamfered transition, form the planet carrier output shaft in the stage casing
Outer surface and the fit clearance of the inner surface of bull torsionspring 12, are used as the deformation space of the bull torsionspring；The planet carrier
The inner external peripheral surface of output shaft is cascaded surface, for installing the inertia duplex gear ring 4.The bull torsionspring suit
The external peripheral surface of planet carrier output shaft.
The planetary gear 5 is standard spur gear.The planetary modulus is 1.0~5.0.In the present embodiment, the row
The modulus of star gear is 2.0.
The inertia duplex gear ring 4 is hollow revolving body.The inner circumferential surface of the inertia duplex gear ring is axially arranged with 2 groups
The straight-sided flank engaged with the planetary gear.The inner circumferential surface of described inertia duplex gear ring one end and the sun gear input shaft
Step surface on 1 one end excircle coordinates, and inner circumferential surface and the step surface on the excircle of planet carrier output shaft 9 of the other end are matched somebody with somebody
Close.Coordinate the end face of one end uniformly fluted in the inertia duplex gear ring and planet carrier output shaft, for bull torsionspring
12 end face is fitting to connection.
The planet carrier 6 is hollow revolving body.Four rectangular through-holes are evenly equipped with the housing of the planet carrier, the rectangle leads to
Hole is planetary mounting hole.Four axis holes are evenly equipped with the end face of the planet carrier two ends, it is defeated for installing each planet carrier
Shaft 9；The two ends insertion of described axis hole respectively with each described rectangular through-hole, and make to be located at planet carrier two ends end face respectively
On mutual corresponding through hole it is concentric.There is axially projecting annular boss at the inner edge of planet carrier one end end face, the boss
For seam.
The external diameter of the planet carrier is less than the internal diameter of the inertia duplex gear ring 4, and the internal diameter of the planet carrier compares sun gear
Big 3~the 8mm of external diameter of input shaft 1.
Claims (8)
1. a kind of inertial confinement induction drilling apparatus with PDC drill bit, it is characterised in that including sun gear input shaft, inertia
Duplex gear ring, planetary gear, end force bearing, planet carrier output shaft, planet carrier, planetary gear shaft, small Sliding bush and many
Head torsionspring；Wherein：The planet carrier is sleeved on the external peripheral surface of the sun gear input shaft, and small Sliding bush is sleeved on
The circumferential surface of the sun gear input shaft；4 planetary gear shafts are distributed on the surface of the planet carrier；8 planetary gears are divided into 2
Group, and make 2 groups of planetary gears axially arrangement is sleeved in each planetary gear shaft, wherein first group of planetary gear is leaned on
The nearly sun gear input shaft connection drill collar end；First group of planetary end face and the end stand of sun gear input shaft one
The inner face of rank is fitted by end force bearing；
The planet carrier output shaft is sleeved on the external peripheral surface of the sun gear input shaft, and makes the interior of the planet carrier output shaft
End face is fitted with the outer face of the planet carrier；
One end of the inertia duplex gear ring is sleeved on the external peripheral surface of described sun gear input shaft connection drill collar one end, and this is used to
The other end of property duplex gear ring is sleeved on the external peripheral surface of the planet carrier output shaft, and makes in the middle part of the inertia duplex gear ring
Engaged between inner surface and the planetary external peripheral surface；The inner surface of the inertia duplex gear ring is inputted with sun gear
Intracavitary Zhou You great Sliding bushes between the outer surface of axle；
The bull torsionspring involves the bull torsionspring of constraint for elasticity, and the bull torsionspring, which is sleeved on, described states row
The external peripheral surface of carrier output shaft, and make the outer face of the inner face and the inertia duplex gear ring of the bull torsionspring embedding
Close, the end face of the outer end of the bull torsionspring is fastened by the outer end end face of fixing bolt and the planet carrier output shaft.
2. as claimed in claim 1 with the inertial confinement induction drilling apparatus of PDC drill bit, it is characterised in that the sun gear
The external peripheral surface of one end of input shaft is isometrical section, and the external peripheral surface of the other end is the step-like of multistage, therein first
The circumferential surface of level step is first group of planetary matching surface, and the circumferential surface of second level step is end force bearing
Mounting surface, the circumferential surface of third level step is the mounting surface of inertia duplex gear ring, and in the circle of the third level step
Perimeter surface has the boss of radially protruding, the axially position for the inertia duplex gear ring；Isometrical section of the sun gear input shaft
External diameter is identical with the internal diameter of planet carrier, and makes step difference between isometrical section of the sun gear input shaft and the first order ledge surface
End face turn into the planet carrier axial locating surface；The maximum of the external diameter of the third level step and the planet carrier output shaft is outer
Footpath is identical.
3. as claimed in claim 1 with the inertial confinement induction drilling apparatus of PDC drill bit, it is characterised in that the planet carrier
The inner end face of output shaft is evenly equipped with the pin-and-hole for installing the planet carrier；The inner surface of the planet carrier output shaft outer end is use
In the flank of connection drill bit；The inner inner surface of the planet carrier output shaft is isometrical section, isometrical section of the internal diameter with it is described too
The external diameter of sun wheel input shaft is identical, the planet carrier output shaft is inputted shaft clearance with the sun gear and coordinates；The planet carrier is defeated
The internal diameter in shaft inner surface stage casing is identical with the external diameter of the assembling nut, makes between the planet carrier output shaft and the assembling nut
Gap coordinates；The outer surface diameter in the planet carrier stage casing is minimum, and the stage casing and two ends outer surface with chamfered transition, at this
Stage casing forms the fit clearance of the planet carrier output shaft outer surface and bull torsionspring inner surface, is reversed as the bull
The deformation space of spring；The inner external peripheral surface of the planet carrier output shaft is cascaded surface, for installing the inertia duplex-gear
Circle；The bull torsionspring is sleeved on the external peripheral surface of planet carrier output shaft.
4. as claimed in claim 1 with the inertial confinement induction drilling apparatus of PDC drill bit, it is characterised in that the planet tooth
The modulus of wheel is 1.0~5.0.
5. as claimed in claim 1 with the inertial confinement induction drilling apparatus of PDC drill bit, it is characterised in that the inertia is double
The inner circumferential surface of connection gear ring is axially arranged with 2 groups of straight-sided flanks engaged with the planetary gear；The inertia duplex gear ring one
Step surface on the inner circumferential surface at end and sun gear input shaft one end excircle coordinates, the inner circumferential surface of the other end with
Step surface on planet carrier output shaft excircle coordinates；Coordinate the end face of one end in the inertia duplex gear ring and planet carrier output shaft
It is uniform fluted, for being fitting to connection with the end face of bull torsionspring.
6. as claimed in claim 1 with the inertial confinement induction drilling apparatus of PDC drill bit, it is characterised in that in the sun
The tail end for taking turns input shaft is pressed equipped with assembling nut；The assembling nut sleeve is mounted in the external peripheral surface of the sun gear input shaft, and
External peripheral surface in the sun gear input shaft and between the inner circumferential surface of planet carrier output shaft.
7. as claimed in claim 1 with the inertial confinement induction drilling apparatus of PDC drill bit, it is characterised in that the planet carrier
For hollow revolving body；Planetary mounting hole is evenly equipped with the housing of the planet carrier；On the end face of the planet carrier two ends
It is evenly equipped with four axis holes for being used to install each planet carrier output shaft；Described axis hole respectively with each described rectangular through-hole two
Insertion is held, and makes the mutual corresponding through hole being located at respectively on the end face of planet carrier two ends concentric；In planet carrier one end end face
There is axially projecting annular boss at inner edge, the boss is seam.
8. as claimed in claim 7 with the inertial confinement induction drilling apparatus of PDC drill bit, it is characterised in that the planet carrier
External diameter be less than the internal diameter of the inertia duplex gear ring, the internal diameter of the planet carrier is bigger than the external diameter of sun gear input shaft by 3~
8mm。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558964.1A CN107299825B (en) | 2017-07-11 | 2017-07-11 | A kind of inertial confinement induction drilling apparatus of adjoint PDC drill bit |
| US16/629,894 US11306537B2 (en) | 2017-07-11 | 2018-07-09 | Induced drilling method for inertia constrained implicated motion and inertial constraint induced drilling device |
| PCT/CN2018/094949 WO2019011202A1 (en) | 2017-07-11 | 2018-07-09 | Method for induced drilling by means of inertial confinement motion traction, and inertial confinement induced drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558964.1A CN107299825B (en) | 2017-07-11 | 2017-07-11 | A kind of inertial confinement induction drilling apparatus of adjoint PDC drill bit |
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| CN107299825A true CN107299825A (en) | 2017-10-27 |
| CN107299825B CN107299825B (en) | 2019-01-04 |
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| CN201710558964.1A Active CN107299825B (en) | 2017-07-11 | 2017-07-11 | A kind of inertial confinement induction drilling apparatus of adjoint PDC drill bit |
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| CN110919870A (en) * | 2019-11-11 | 2020-03-27 | 陈和东 | Device for forming arc-shaped hanging groove on end face of stone plate for architectural decoration |
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| CN110919870A (en) * | 2019-11-11 | 2020-03-27 | 陈和东 | Device for forming arc-shaped hanging groove on end face of stone plate for architectural decoration |
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| CN107299825B (en) | 2019-01-04 |
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