CN102667009A - Permanent magnet direct drive drawworks - Google Patents
Permanent magnet direct drive drawworks Download PDFInfo
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- CN102667009A CN102667009A CN2010800560982A CN201080056098A CN102667009A CN 102667009 A CN102667009 A CN 102667009A CN 2010800560982 A CN2010800560982 A CN 2010800560982A CN 201080056098 A CN201080056098 A CN 201080056098A CN 102667009 A CN102667009 A CN 102667009A
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- 238000004804 winding Methods 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 description 33
- 230000005540 biological transmission Effects 0.000 description 15
- 239000012530 fluid Substances 0.000 description 8
- 230000005389 magnetism Effects 0.000 description 8
- 239000000725 suspension Substances 0.000 description 6
- 238000007667 floating Methods 0.000 description 5
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- 229910000831 Steel Inorganic materials 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 2
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- 239000003129 oil well Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000011707 mineral Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/008—Winding units, specially adapted for drilling operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
A direct drive drawworks (100) has a permanent magnet motor (40), a shaft (41) extending from the permanent magnet motor (40) so that the permanent magnet motor directly rotates the shaft (41), and a drum (43) connected to the shaft (41) away from the permanent magnet motor (40) such that the rotation of the shaft causes a corresponding rotation of the drum. The permanent magnet motor (40) has a housing (42), a stator (62) positioned in the housing, and a rotor (64) cooperative with the stator. The rotor (64) has a drive plate (66) affixed thereto. The shaft (41) is directly connected to the drive plate (66). A bearing housing (45) rotatably supports the shaft.
Description
Technical field
The present invention relates to oil field equipment.Especially, the present invention relates to be used in the winch in oil gas drilling and the production.Especially, the present invention relates to have the winch of permanent magnet motor.
Background technology
Winch is a kind of common parts of oil field equipment, in being used in the oil gas drilling and producing.Winch typically is installed near the oil-well rig.The common function of winch is to raise and reduction drilling rod and turnover (casing out of and into) in pit shaft.Winch can be called as crane or capstan winch.There is the winch of many different sizes to be used in the winch in drilling well and the mining industry.The size of winch is reflected on the rated power for this type of winch.These winches are shared similar operation pattern and similar equipment.
Winch is used for when the insertion drilling rod pulls out from open wide well to unlimited well and with drilling rod, slinging and reducing load (such as drilling rod).Rod pulling possibly pull out the drilling rod that surpasses 30000 feet in case between the drilling operational period more bit change or instrument.In typical oil well drilling operation, drilling rod is often repeatedly sling and is reduced between these operational periods.
During mining, similar equipment be used to sling coal, overweight material, grit, phosphate and other mineral.These only are the several typical operations that wherein utilize winch.In mining, scraper bowl often is lowered, and purpose is to allow to use the scraper bowl load material.When scraper bowl has been loaded, use winch so that the scraper bowl of filling of slinging arrives eminence, the material in the said scraper bowl is unloaded in the position of side on the ground thus.
Fig. 1 illustrates the conventional rig 10 that uses prior art winch 26.Winch 26 is mounted to rig floor 12 in oil derrick 11 inside.Winch 26 has walks around the cable wire 24 that pulley 25 extends, so that from pit shaft 16 rising drilling rods 14 and reduction drilling rod 14 to pit shaft 16.Pulley 25 also is called as fixed pulley.Pit shaft 16 is formed in the stratum 50.Drilling rod 14 can be a drill string, and it is a series of drilling rods that extend in the pit shaft 16 in stratum 15.Independent drilling rod 14 is connected to drill string at nipple 17 places.The part of drill string can have the stabilizer part that comprises stabilizer component 18, and said stabilizer component extends so that engage the wall of pit shaft 16 with the mode with drilling rod 14 centerings along the external surface spiral of drilling rod 14.
Winch 26 stretches out on the pulley 25 that is installed on the oil derrick 11 and regains cable wire 24 so that rising and reduction keep the drilling unit 19 of drilling rod 14.Cable wire 24 is connected to move about slide block or movable pulley 23.The slide block 23 that moves about has been hanged by the cable wire 24 that is stretched out by winch 26 and regain and has moved up and down.The slide block 23 that moves about is connected to drilling unit 19.Drilling unit 19 has swivel base 22 in the top, and the drilling fluid that arrives it is introduced in the drilling rod 14, is hanged from the slide block 23 that moves about through its drilling unit 19.Drilling unit 19, drill rod handler 21 and relevant connection parts vertically move along axis 20.Said vertically moving by two upright guide rails or track 27 guiding, said guide rail or track are connected to derrick 11 rigidly.Drilling unit 19 is connected to carriage 28.Carriage 28 has the roller that engages said guide rail 27.Guide rail 27 guide bracket 28 along the guide rail that is parallel to vertical axis 20 27 vertically upwards and move down.Drilling rod 14 inserts in the pit shaft 16 and from pit shaft 16 through well head 13 and shifts out.
Winch 26 have usually hollow cylinder, cylinder is connected to axle, the transmission device between motor and cylinder of motor, and the brakes of the rotation of the cylinder that is used to slow down.Winch 26 is installed on the rig floor 12 of rig 10.Cylinder is parallel to rig floor 12 with the longitudinal axis of axle.The typical motor that is used on the winch 26 is AC motor, DC motor and diesel engine.Power is delivered to axle through chain drive or gear drive from motor usually.Brakes can use various technology to brake said cylinder.Brakes can be used disk brake, band brake, water-cooled brake or power brake.When cable wire 24 is regained by winch 26, the cylinder of cable wire 24 coiling winches 26.Winding cable wire 24 around winch 26 is similar to around bobbin winding silk thread.
The use of transmission device has caused and the general relevant many problems of typical winch.Transmission device is expensive, has increased the weight of winch, and has needed preventive overhaul.Safeguard transmission device, especially when transmission device all lost efficacy, cost was very large.Intrinsic frictional force also can be lost power when utilizing transmission device owing to use transmission device.Typical case's winch 26 also uses significant amount of energy to change the rotation direction of winch 26.Thereby, need a kind of winch of simplicity of design, its gentlier, the energy of more easy care, use still less and energy efficiency higher.
In the past, the various patents that relate to winch have been announced.For example announce the United States Patent(USP) No. 6 of authorizing people such as Dyer February 6 calendar year 2001; 182; 945 disclose the winch of fully redundance, its have two complete and fully independently system control cylinder and the drum shaft of winch and power be provided for the cylinder and the drum shaft of winch.The coupling that each system has at least one power source, actuating unit and is connected to power source and is connected to transmission device and is connected to drum shaft.Each system has brakes, for example disk brake, band brake, power brake or water-cooled brake.Under the out of order situation of any parts of any system, the winch of said fully redundance has from pit shaft rise drilling rod to avoid the risk ability of " blocking " drilling rod.
On October 7th, 1980 was announced the United States Patent(USP) No. 4,226,311 of authorizing people such as Johnson and discloses a kind of disc brake, and it is suitable for combining the winch of pit shaft drilling operation and installs.This installs the situation of any reverse torque of automatic sensing in drilling rod, and sets brake rapidly and be passed to the Wheel disc device clutch mechanism that is used for it to prevent any reverse torque.
On April 4th, 1972, bulletin was authorized the United States Patent(USP) No. 3 of Burrell; 653; 636 disclose a kind of reversible fluid pressure motor and high voltage/low voltage hydraulic reservoir system; They are used for balance from being wrapped in the drill string that hangs on the cable wire on the winch that is positioned on the floating platform (or floating barge, floating vessel) or other well weight with equipment.The direction that the torque output of load cell control fluid pressure motor and output drive.When floating platform moves down, move through fluid pressure motor from the high pressure hydraulic fluid of reservoir and arrive in the low pressure hydraulic fluid reservoir, in order to when winch upwards twines cable wire, to provide bigger torque to winch.When floating platform moved up, the fluid pressure motor counter-rotating was so that let low-pressure fluid move to high pressure accumulator from low pressure accumulator.When winch stretched out cable wire, this reduced the direction of torque and counter-rotating winch.
May in 2008 people such as disclosed Folk on the 22nd the open No.2008/0116432 of United States Patent (USP), a kind of capstan winch is disclosed, it comprises motor, said motor has fixing stator, and the columnar rotor that rotates around stator.Cylinder is fixed on the rotor and carries cable, and said cable is twined by capstan winch or launches.Capstan winch can be the winch that is used for oily rig.Motor can be a permanent magnet motor.Bearning mechanism is between motor stator and motor rotor.
Announce the United States Patent(USP) No. 3 of authorizing people such as Pryor; 211; 803 disclose a kind of generator powered power-jdriven gear that is used for winch; It has winch, motor, the driving connector between motor and winch, generator, electrical connector (being connected to generator and motor electric power to be provided to motor), motor, and is being used to provide the connector of power to the generator between motor and the generator.The general power absorptive capacity that motor has is fully greater than the power output capacity of motor, and being used for of can obtaining thus drives the torque that the torque of winch fully obtains greater than the motor that equals the engine power fan-out capability from the general power absorptive capacity.
On March 27th, 1984, bulletin was authorized the United States Patent(USP) No. 4 of White; 438; 904; A kind of winch is disclosed; It has the offshore boring island that supports winch, rotationally be supported on two cable cylinders between the upright supporting walls member cable drum shaft, power shaft, be used to drive driving mechanism, the sprocket wheel of Clutch Control and the chain gearing that lets drum shaft and cable cylinder under arbitrary speed of a plurality of speed, rotate in response to the rotation of power shaft that power shaft rotates and the controller that is arranged on one the outside of supporting walls member.Said drum shaft has one the extension that exceeds said supporting walls member.Single wheel (outboard) brake is fixed to said drum shaft extension.
On February 29th, 2000, bulletin was authorized the United States Patent(USP) No. 6,029,951 of Guggari, disclosed a kind of system and method that is directed against the use of winch, and wherein said winch has rotating cylinder, and cable wire is wrapped on the said cylinder.Winch and cable wire are used to promote to be suspended on moving of load on the cable wire.Winch control system is kept watch on and the control winch.Brake arrangement is connected to rotatable drum, is used to limit the rotation of said rotatable drum.Motor is connected to rotatable drum to drive said rotatable drum.Winch control system provides signal, and the torque values of the motor that said signal indication is calculated wherein produces the pretwist distance in response to said signal in motor.When the pretwist of motor during, the control of the rotation of rotatable drum is transferred to motor from brake arrangement apart from torque values that level equals to calculate basically.
On September 6th, 1977, bulletin was authorized the United States Patent(USP) No. 4,046,355 of Martin, disclosed a kind of control device that uses with the winch assembly, and said winch assembly has the workpiece that applies tension force from the cable suspension and to cable.One end of cable is wrapped on the cylinder.The rotation of cable receives the control of dynamic braking mechanism.Control device has the cable tension sensor, the proportional tension signal of tension force in its generation and the cable.Pulse generator produces pulse control signal.Braking control response applies tension signal to dynamic braking mechanism in said control signal.
The U.S. Patent application No.60/726 that submits on October 13rd, 2005 by the inventor, 077, a kind of winch that is used for drilling well and mining is disclosed.This winch has the electric motor driven steel cable rope cylinder by at least one AC.Driving shaft connects brake with the steel cable rope cylinder.Motor is by the utility power powered operation.Winch has fly wheel system, storage power when said fly wheel system is braked in the rotation of the steel cable rope cylinder of winch.The energy that is stored in the flywheel is used to begin another time rotation of steel cable rope cylinder.
An object of the present invention is to provide the winch of direct driving.
Another object of the present invention provides the winch that does not need gear mechanism.
Another object of the present invention provides the winch with very high power density.
Another object of the present invention provides the winch that has than light weight.
Another purpose of the present invention provides can be by the winch that easily transports on conventional approach system.
Another object of the present invention provides the winch that in the oil field, has minimum assembling requirement.
Another object of the present invention provides the winch that in the oil field, can change easily.
A purpose more of the present invention provides the less winch of the inertia effect.
Another object of the present invention provides operation and the lower winch of repair cost.
Through reading appended manual and appended claims, these and other purpose of the present invention and advantage will become obvious.
Summary of the invention
The present invention directly drives winch for permanent magnetism, and comprise permanent magnet motor, be connected to bear box on the motor, be connected to permanent magnet motor and extend through the axle of bear box, and the cylinder that is connected to an end opposite with permanent magnet motor of said axle.Brakes is positioned on the side opposite with motor of cylinder.
Permanent magnet motor comprises housing, is positioned at the stator of housing, and rotor, and the cooperation of said rotor and stator also is positioned at the inside of the stator of housing.Thereby said axle can be directly given in the rotational motion that rotor and said axle interconnection permanent magnet motor are given, and therefore gives winch.
Housing comprise by wall around inner cavity chamber.Stator is positioned near the said wall of housing.Stator has a plurality of windings around its extension.Winding is become spaced relationship to keep to center on inner surface of stator.Winding radially extends internally from the said wall of housing.Run through housing and be provided with suitable gas channel, so that the cooling effect of the interchange of air of raising and stator.
Rotor is positioned at the inside of stator.Rotor is an annular construction member.The setting that concerns that permanent magnet is separated each other with the circumference around rotor.Permanent magnet and winding cooperation are so that provide the motor effect of permanent magnet motor.Driving-disc is fixed to rotor.Driving-disc has open interior, and said open interior is suitably formed to engage the spline of reference axis.The driving-disc of rotor holds said axle.Like this, when rotatory force was endowed rotor, rotatory force directly was imparted to said axle and is imparted to relevant winch.Like this, the present invention can directly rotate said axle, and does not need gear mechanism or transmission system.
The present invention also proposes a kind of rig.Said rig comprises: derrick; Pulley by said derrick support; Cable wire, it extends on said pulley so that have from it to an end that extends below; Interconnect to the slide block that moves about of said cable wire; Be positioned near the cylinder in derrick bottom, and let said cable wire extend around said cylinder; Axle, it is connected to said cylinder and stretches out from said cylinder; The permanent magnet motor that holds axle therein.Said permanent magnet motor be used for giving rotatory force to said axle rotating said cylinder, so that income or emit said cable wire.
Permanent magnet motor comprises housing, is positioned at the stator of housing and the rotor of cooperating with stator.Said axle is connected to or is interconnected to said axle.Stator comprises a plurality of windings that become spaced relationship to extend with around inner surface of stator.Rotor is an annular construction member, and has a plurality of magnets that become spaced relationship to install with the circumference around rotor.Rotor has the driving-disc that is fixed to the upper.Said axle is directly connected to driving-disc.Bear box is connected to permanent magnet motor.Said axle extends through bear box and is supported rotationally by bear box.Check mechanism holds said axle therein.Check mechanism is used for applying force to said axle and goes up so that stop the rotational motion of said axle.
Description of drawings
Fig. 1 illustrates the lateral view of the oily rig that utilizes the prior art winch.
Fig. 2 illustrates the lateral view that permanent magnetism of the present invention directly drives the preferred embodiment of winch.
Fig. 3 illustrates the phantom drawing of the preferred embodiment of permanent magnetism direct drive unit of the present invention.
Fig. 4 illustrates the cross-sectional view of permanent magnet motor of the present invention.
Fig. 5 illustrates the vertical view of the driving-disc that is associated with permanent magnet motor of the present invention.
Fig. 6 illustrates the phantom drawing of the rotor of permanent magnet motor of the present invention.
Fig. 7 illustrates the phantom drawing of the stator of permanent magnet motor of the present invention.
The specific embodiment
With reference to figure 2, the lateral view that permanent magnetism of the present invention directly drives the preferred embodiment of winch 100 is shown.Winch 100 has permanent magnet motor 40.Axle 41 is connected to permanent magnet motor 40.Bear box 45 is positioned near permanent magnet motor 40 and the axle 41.Axle 41 extends through the inside of bear box 45 to motor 40.Cylinder 43 is connected to an end 47 opposite with permanent magnet motor 40 of axle 41.Cable wire 24 is reeled around cylinder 43.Cylinder 43 is in suspension bracket 53.Suspension bracket 53 back shafts 41 are so that keep cylinder 43 and the top of motor 40 on platform surface (for example rig floor 12).On the side relative that brakes 49 is positioned at cylinder 43 with motor 40.In Fig. 2, brakes 49 has near the brake disc 51 that is positioned at the cylinder 43.Brakes 49 among Fig. 2 is water-cooleds.Power supply 48 is connected to permanent magnet motor 40 so that supply power on the said motor.
With reference to figure 3, the phantom drawing that permanent magnetism of the present invention directly drives winch 100 is shown.Permanent magnet motor 40 has housing 42.Rotor and stator are positioned at housing 42, as described in inciting somebody to action in more detail at the back.Housing 42 has the general cylindrical shape shape.Housing 42 has inlet 55 and outlet 57.For the rotor and the stator of cool motors 40, air is passed into inlet 55, at the internal circulation of housing 42, and through outlet 57 discharges.Cover 50 is fixed on the end face 44 of housing 42.The dish 51 of brakes 49 is positioned near the suspension bracket 53 inherent said cylinders 43.Cylinder 43 is formed to such an extent that resemble spool of yarn so that store the very cable wire of length effectively.
With reference to figure 4, the cross-sectional view of the housing 42 of permanent magnet motor 40 is shown.As seeing, housing 42 limits inner cavity chamber 60.Axle 41 stretches out from the inside 60 of the housing 42 of permanent magnet motor 40.Stator 62 is fixed on the wall of housing 42.Stator 62 extends around the circular interior of housing 42.The position of rotor 64 is very near stator 62.Rotor 64 has a plurality of permanent magnets (back will be described in more detail) that form around its circumference.Stator 62 has the wire turn of placing around the inner surface of stator 62.The interaction of the permanent magnet of the wire turn of stator 62 and rotor 64 provides the rotational power of permanent magnet motor 40.Driving-disc 66 is fixed to the top of rotor 64.Axle 41 engages with driving-disc 66, thereby will be endowed spools 41 by the rotational energy that rotor 64 is given driving-disc 66.Axle 41 inner cavity chamber 60 from housing 42 stretch out.Can see that an end of suspension bracket 53 is between bear box 45 and motor 40.Thereby axle 41 extends through motor 40, suspension bracket 53 and bear box 45.
Because the torque that interaction produced in two magnetic fields, permanent magnet motor rotates.These magnetic fields are produced by the magnetic field that the static winding of epitrochanterian permanent magnet that is installed in rotation and stator induces.When the magnetic vector of rotor became 90 to spend with respect to the magnetic vector of stator, torque was maximum.In this position, said torque impels the direction rotation of the utmost point of rotor along stator field.In the brushless DC motor of trapezoidal driving, the electric current of the alternation successively through two coils in three coils produces stator field.The back-EMF (electric power) of remaining two active coils of the 3rd coil monitoring.Back-EMF produces when motor with permanent magnet rotates.Each winding produces the opposite voltage of principal voltage with winding.Back-EMF depends on the angular velocity of rotor, the magnetic field that rotor magnet produces, and the number of turns of stator winding.The back-EMF of motor provides the feedback of rotor-position with respect to stator winding.Permanent magnet motor with sensor provides similar position feedback.Three coil power supplies are given in the sinusoidal rectification or the commutation (commutation) that utilize permasyn morot to use, Drive and Control Circuit simultaneously.
Since nineteen ninety permanent magnet motor can obtain from market.Yet, because the high expense that is associated with the permanent magnet of epitrochanterian costliness is not also seen permanent magnet motor and is widely used.In addition, their complicated control algolithm needs the engineering know-how of specialty and the ancillary cost that is used for flush bonding processor.Permanent magnet motor is more efficient than AC induction conductivity.Yet because the rise of copper valency recently, the induction conductivity based on winding has become expensive more at present, makes permanent magnet motor Comparatively speaking become so not expensive.In addition, the power that improved permanent magnet motor of technically progress recently outputs to and makes these motor compare the degree with superior power density with existing induction conductivity.Thereby, permanent magnet motor 40, as shown in Figure 4, the axle 41 and cylinder 43 that provide superior power output to be used for directly driving winch 100.
With reference to figure 5, the vertical view of driving-disc 66 of the permanent magnet motor 40 of winch 100 of the present invention is shown.Driving-disc 66 has the round-shaped of band periphery 90.Bolt hole 92 forms contiguous periphery 90.Bolt hole 92 allows driving-disc 66 bolts to be connected to the top of rotor.Splined or spline-like perforate 94 are formed on the center of driving-disc 66 so that hold the spline of axle 41.Circulation of air hole 96 is formed on around the inside of driving-disc 66.Said hole 96 is convenient to air and in permanent magnet motor 40, is circulated.
With reference to figure 6, the independent phantom drawing of rotor 64 of the permanent magnet motor 40 of winch 100 of the present invention is shown.Driving-disc 66 can be directly installed on the top of rotor 64.Permanent magnet piles up the external surface that is fixed to rotor 64 with the relation that separates each other.During spacer portion 106 is used for permanent magnet piled up one isolates with adjacent stacked.Spacer portion 106 can be that perhaps they can be exactly the profiled surface on the periphery of rotor 64 to independent object.Rotor 64 has the rotor bearing hole 110 that medially is formed on wherein.
With reference to figure 7, the independent phantom drawing of stator 62 of the permanent magnet motor 40 of winch 100 of the present invention is shown.Stator 62 has outer cover 120, and it is used for the inwall of coil 122 with housing 42 separated.Coil 122 radially extends internally from it.The inner surface 124 of coil 122 limits the round hole that wherein will place rotor 64.As a result, permanent magnet piles up 104 very near coil 122, thereby permanent magnet motor 40 can true(-)running.Suitable electronic installation is connected to permanent magnet motor 40, thereby is convenient to proper operation permanent magnet motor 40.
In the present invention, should be realized that permanent magnetism directly drives winch 100 and is directly connected to axle 41.Therefore, there are not gear or other transmission mechanism in these zones, to interconnect.Thereby winch 100 provides higher power density to let drill string correctly rotate with comparatively speaking lightweight construction.The weight relevant with transmission system is effectively avoided by the present invention.In addition, the complexity that above-mentioned transmission system (thereby making the kinetic force of induction conductivity be passed to drive system) faced being installed also is able to avoid in the present invention.As a result, permanent magnetism of the present invention directly drives winch and can satisfy the purpose that is fit to of rotating drill string with minimum weight.The same unlike the current motor relevant (these motor weight can above 100000 pounds) with drillng operation, only heavily about 60000 pounds of permanent magnet motor of the present invention.Therefore, can on the way on conventional truck, easily transport it.Unlike prior art, motor 40 needn't carry out the assembling of self or assemble with transmission system at the scene.Therefore, the present invention has avoided the special needs to installation personnel, otherwise requires between motor and winch, to carry out that installation personnel needs the system of transmission for those.Reducing on the weight of permanent magnet motor of the present invention avoids some inertia effect, otherwise the said inertia effect can influence the operation of conventional induction conductivity unfriendly.Motor 40 of the present invention can be exchanged according to expectation, is used for working in coordination with use with the direct driving top drive unit of rig or the slush pump of rig.Owing to do not need transmission system, the supply of such permanent magnet motor can offer drillng operation, is used for perhaps being used for other purpose with collaborative use of winch.If any one motor breaks down, can replace and need not let rig that any shutdown is arranged with any other motor so.
Open and the description of front of the present invention is an illustrative and indicative.Can be under the situation that does not depart from true spirit of the present invention to shown in structure on details, carry out various changes.The present invention should be only by following claims and the restriction of jural equivalency range thereof.
Claims (20)
1. one kind directly drives winch, comprising:
Permanent magnet motor;
Axle, said axle extends from said permanent magnet motor, thus said permanent magnet motor directly rotates said axle; With
Cylinder, said cylinder are connected to said axle and away from said permanent magnet motor, thereby the rotation of said axle causes the correspondence of said cylinder to be rotated.
2. direct driving winch according to claim 1, said permanent magnet motor comprises:
Housing;
Be positioned at the stator of said housing; With
With the rotor of said stator cooperation, said axle is connected to said axle or is interconnected to said axle.
3. direct driving winch according to claim 2, said housing have by wall around inner cavity chamber, said stator is positioned near the said wall, said rotor is positioned at the inside of said stator.
4. direct driving winch according to claim 3; Said stator has a plurality of windings that become spaced relationship to extend with around said inner surface of stator, and said rotor is annular construction member and has a plurality of permanent magnets that become spaced relationship to install with the circumference around said rotor.
5. direct driving winch according to claim 4, said a plurality of windings extend internally towards said rotor radial, and said a plurality of windings act on said a plurality of permanent magnet so that make said rotor rotation.
6. direct driving winch according to claim 2, said rotor has the driving-disc that is fixed to the upper, and said axle is directly connected to said driving-disc.
7. direct driving winch according to claim 6; Said driving-disc has the opening that medially forms therein; Said driving-disc has the spline that extends inward in the said opening, and said axle has the end with the splined of the said splined engagement of said driving-disc.
8. direct driving winch according to claim 1 also comprises:
Be connected to the bear box of said permanent magnet motor, said axle extends through said bear box and is supported rotationally by said bear box.
9. direct driving winch according to claim 8, said bear box is between said permanent magnet motor and said cylinder.
10. direct driving winch according to claim 1 also comprises:
The check mechanism that holds said axle therein, said check mechanism be used for the power that applies on said axle so that stop rotatablely moving of said axle.
11. direct driving winch according to claim 10, said check mechanism are positioned near the end opposite with said permanent magnet motor of said cylinder.
12. direct driving winch according to claim 1 also comprises:
Power supply, it is electrically connected to said permanent magnet motor so that the supply electric energy arrives said permanent magnet motor.
13. direct driving winch according to claim 1 also comprises:
Around the cable wire that said cylinder extends, said cylinder can rotate so that take in and emit said cable wire.
14. direct driving winch according to claim 13 also comprises:
Derrick;
Be positioned at the pulley on the said derrick, said cable wire extends on said pulley; With
The slide block that moves about, its be connected to said cable wire and from said pulley to extending below.
15. a rig comprises:
Derrick;
Pulley by said derrick support;
Cable wire, it extends on said pulley so that have from it to an end that extends below;
Interconnect to the slide block that moves about of the said end of said cable wire;
Be positioned near the cylinder in said derrick bottom, said cable wire extends around said cylinder;
Axle, it is connected to said cylinder and stretches out from said cylinder; With
The permanent magnet motor that holds axle therein, said permanent magnet motor give rotatory force to said axle to rotate said cylinder, so that take in or emit said cable wire.
16. rig according to claim 15, said permanent magnet motor comprises:
Housing;
Be positioned at the stator of said housing; With
With the rotor of said stator cooperation, said axle is connected to said axle or is interconnected to said axle.
17. rig according to claim 16; Said stator has a plurality of windings that become spaced relationship to extend with around said inner surface of stator, and said rotor is annular construction member and has a plurality of permanent magnets that become spaced relationship to install with the circumference around said rotor.
18. rig according to claim 17, said rotor has the driving-disc that is fixed to the upper, and said axle is directly connected to said driving-disc.
19. rig according to claim 15 also comprises:
Be connected to the bear box of said permanent magnet motor, said axle extends through said bear box and is supported rotationally by said bear box.
20. rig according to claim 10 also comprises:
The check mechanism that holds said axle therein, said check mechanism be used for the power that applies on said axle so that stop rotatablely moving of said axle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/643,439 | 2009-12-21 | ||
| US12/643,439 US8672059B2 (en) | 2008-12-22 | 2009-12-21 | Permanent magnet direct drive drawworks |
| PCT/US2010/060943 WO2011084669A2 (en) | 2009-12-21 | 2010-12-17 | Permanent magnet direct drive drawworks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102667009A true CN102667009A (en) | 2012-09-12 |
Family
ID=44307721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800560982A Pending CN102667009A (en) | 2009-12-21 | 2010-12-17 | Permanent magnet direct drive drawworks |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP2501863A4 (en) |
| CN (1) | CN102667009A (en) |
| AU (1) | AU2010339868B2 (en) |
| CA (1) | CA2778833C (en) |
| IN (1) | IN2012DN03796A (en) |
| MX (1) | MX2012005207A (en) |
| NO (1) | NO20120518A1 (en) |
| RU (1) | RU2553793C2 (en) |
| WO (1) | WO2011084669A2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366575A (en) * | 2014-08-04 | 2016-03-02 | 坎利钻井技术 | Direct drive drawworks with bearingless motor |
| CN109347290A (en) * | 2018-10-30 | 2019-02-15 | 湖北环电磁装备工程技术有限公司 | A kind of oil-well rig turntable that combination type permanent-magnet synchronous motor directly drives |
| CN112242779A (en) * | 2020-10-16 | 2021-01-19 | 中车永济电机有限公司 | Direct electric driving roller device |
| CN112443273A (en) * | 2020-11-06 | 2021-03-05 | 中国石油天然气股份有限公司大港油田分公司 | Drilling speed-increasing device for realizing high-frequency pressurization of downhole drill bit by downhole turbine driving |
| CN113460899A (en) * | 2016-12-19 | 2021-10-01 | 沃恩工业有限公司 | Motor assembly for winch |
| CN113716476A (en) * | 2020-05-26 | 2021-11-30 | 李伟伟 | Petroleum drilling winch rope clamping device |
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- 2010-12-17 MX MX2012005207A patent/MX2012005207A/en active IP Right Grant
- 2010-12-17 CN CN2010800560982A patent/CN102667009A/en active Pending
- 2010-12-17 CA CA2778833A patent/CA2778833C/en active Active
- 2010-12-17 EP EP10842637.0A patent/EP2501863A4/en not_active Withdrawn
- 2010-12-17 RU RU2012131406/03A patent/RU2553793C2/en not_active IP Right Cessation
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- 2012-05-01 IN IN3796DEN2012 patent/IN2012DN03796A/en unknown
- 2012-05-07 NO NO20120518A patent/NO20120518A1/en not_active Application Discontinuation
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| US4545017A (en) * | 1982-03-22 | 1985-10-01 | Continental Emsco Company | Well drilling apparatus or the like with position monitoring system |
| US6995682B1 (en) * | 2000-10-30 | 2006-02-07 | Ramsey Winch Company | Wireless remote control for a winch |
| CN201136727Y (en) * | 2007-11-20 | 2008-10-22 | 苏州通润驱动设备股份有限公司 | Small-sized permanent magnet synchronous gearless traction machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366575A (en) * | 2014-08-04 | 2016-03-02 | 坎利钻井技术 | Direct drive drawworks with bearingless motor |
| US10150659B2 (en) | 2014-08-04 | 2018-12-11 | Nabors Drilling Technologies Usa, Inc. | Direct drive drawworks with bearingless motor |
| CN105366575B (en) * | 2014-08-04 | 2019-07-26 | 内博斯钻井技术美国公司 | Winch is directly driven with bearingless motors |
| CN113460899A (en) * | 2016-12-19 | 2021-10-01 | 沃恩工业有限公司 | Motor assembly for winch |
| CN109347290A (en) * | 2018-10-30 | 2019-02-15 | 湖北环电磁装备工程技术有限公司 | A kind of oil-well rig turntable that combination type permanent-magnet synchronous motor directly drives |
| CN113716476A (en) * | 2020-05-26 | 2021-11-30 | 李伟伟 | Petroleum drilling winch rope clamping device |
| CN112242779A (en) * | 2020-10-16 | 2021-01-19 | 中车永济电机有限公司 | Direct electric driving roller device |
| CN112443273A (en) * | 2020-11-06 | 2021-03-05 | 中国石油天然气股份有限公司大港油田分公司 | Drilling speed-increasing device for realizing high-frequency pressurization of downhole drill bit by downhole turbine driving |
| CN112443273B (en) * | 2020-11-06 | 2022-07-08 | 中国石油天然气股份有限公司大港油田分公司 | Drilling speed-increasing device for realizing high-frequency pressurization of downhole drill bit by downhole turbine driving |
Also Published As
| Publication number | Publication date |
|---|---|
| IN2012DN03796A (en) | 2015-08-28 |
| NO20120518A1 (en) | 2012-05-22 |
| CA2778833C (en) | 2018-03-06 |
| RU2553793C2 (en) | 2015-06-20 |
| RU2012131406A (en) | 2014-01-27 |
| WO2011084669A2 (en) | 2011-07-14 |
| AU2010339868A1 (en) | 2012-05-31 |
| EP2501863A2 (en) | 2012-09-26 |
| CA2778833A1 (en) | 2011-07-14 |
| WO2011084669A3 (en) | 2011-10-27 |
| EP2501863A4 (en) | 2013-06-26 |
| AU2010339868B2 (en) | 2015-04-23 |
| MX2012005207A (en) | 2012-06-13 |
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Application publication date: 20120912 |