CN105003584A - Tungsten alloy union piston offshore oil well auxiliary power device - Google Patents

Tungsten alloy union piston offshore oil well auxiliary power device Download PDF

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Publication number
CN105003584A
CN105003584A CN201510298183.4A CN201510298183A CN105003584A CN 105003584 A CN105003584 A CN 105003584A CN 201510298183 A CN201510298183 A CN 201510298183A CN 105003584 A CN105003584 A CN 105003584A
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CN
China
Prior art keywords
appointing
cylinder
piston
ring
union
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Pending
Application number
CN201510298183.4A
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Chinese (zh)
Inventor
张志雄
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Zhi Jie Electromechanical Product Design Working Spaces Strand Of Economy Of Wenzhou Technological Development Zone
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Zhi Jie Electromechanical Product Design Working Spaces Strand Of Economy Of Wenzhou Technological Development Zone
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Priority to CN201510298183.4A priority Critical patent/CN105003584A/en
Publication of CN105003584A publication Critical patent/CN105003584A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/01Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/28Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K16/00Machines with more than one rotor or stator
    • H02K16/04Machines with one rotor and two stators

Abstract

The invention relates to an offshore oil well auxiliary device and in particular to a tungsten alloy union piston offshore oil well auxiliary power device. According to the improvement, a union piston shock absorber comprises a union piston rod, a union piston cylinder, a union guide barrel, a lower union sealing end cover, an upper union sealing end cover, an outer union cylinder ring and an outer union barrel ring; an outer sealing piston is fixed to one end of the union piston rod in a sealed manner, a hole sealing ring is arranged in an outer circular groove of the outer sealing piston, the hole sealing ring and an inner hole of the union piston cylinder are movably sealed, and the other end of the union piston rod is provided with a rod-outside thread; the outer union cylinder ring is provided with an outer cylinder ring internal thread and an outer cylinder ring recessed ring, and an inner sealing piston is fixed to one end of the union piston cylinder in a sealed manner; a shaft sealing ring is arranged in an inner hole groove of the inner sealing piston, and the shaft sealing ring and the outer circle of the union piston rod are movably sealed; a cylinder union protruding ring is arranged at the other end of the union piston cylinder, and a cylinder union cambered surface is arranged on the outer end face of the cylinder union protruding ring; and the cylinder union protruding ring and the outer cylinder ring recessed ring are in rotatable sliding fit.

Description

Tungsten alloy is equipped by appointing piston offshore field auxiliary power
Technical field
What the present invention relates to is a kind of offshore field auxiliary device, belongs to marine energy development technique application, and the tungsten alloy particularly related to by means of operations offshore platform is equipped by appointing piston offshore field auxiliary power.
Background technique
Huge renewable energy sources is contained in ocean, and THE EXPLOITATION OF OCEAN ENERGY has become the strategic selection of countries in the world.And the shore line of China is very long, marine resources enrich, and ocean platform is the structure providing production and living facilities for carrying out the activity such as drilling well, oil recovery at sea.Fixed, movable and semi-fixed type three major types can be divided into by its structural characteristics and working state.The bottom of fixed platform is directly supported by stake, expansion footing or other structures and is bonded to seabed, is divided into pile foundation type and gravity type two kinds by support exists.Movable platform floats in water or is supported on seabed, another well location can be moved to from a well location, connect support exists and can be divided into end formula and floating type two classes, studying novel semi-fixed type ocean platform in recent years, it can be fixed in deep water, have high movable again, namely tension leg type platform belongs to this type of.Ocean platform is by superstructure, and namely Platform Deck and fondational structure form.Superstructure is generally made up of upper and lower layers Platform Deck and storey between framework or column.Deck is arranged complete drilling device and assistant tool, power plant, mud circulation cleaning equipment, the work of personnel, living facilities and helicopter raising platform etc.The size of Platform Deck is determined by operation.
As everyone knows, the expense that offshore drilling platforms system is keeped in repair at every turn is all surprising, any component in offshore drilling platforms system are all wanted to stand seawater corrosion, any oil circuit keeps in repair or changes and power breakdown eliminating spends higher, and affects oil well production for a long time.Particularly offshore field, the prominent features of well-known slide beam oil rig is intermittence acting, and therefore supporting power source working life and overall antidetonation can become the Pinch technology of this technical field always with it.
Summary of the invention
The invention provides a kind of employing by appointing the two-way shock-absorbing of piston structure, in conjunction with disc type sprocket motors, and being furnished with bending resistance component, solving the technical bottleneck of offshore field, specific as follows:
Tungsten alloy is equipped by appointing piston offshore field auxiliary power, the periphery of working platform being evenly equipped with Platform hinge and being connected with by nose end head on a piston shock absorber, being connected by appointing a piston shock absorber lower opening termination with fixed feet; Described working platform is fixed with motor base, rotary base and fork base, rotatablely on fork pivot pin on fork base be fixed wtih drilling well fork, rotating disk pivot pin on described rotary base is rotatable is fixed wtih sprocket wheel rotating disk, and described motor base is installed with disc type sprocket motors; Described drilling well fork one side is fixedly ined succession the large rope of drilling well, and the large rope of drilling well is deep into sub-sea drilled wells bed after passing through the platform jewel hole hole on described working platform; The described drilling well fork the other end there is slide block elongated slot, slide block elongated slot is slidably combined with dish bar slide block; Described sprocket wheel rotating disk one side is fixed wtih the pivot pin stud on slide block pivot pin, the pivot pin step section cylindrical on described slide block pivot pin with between its center through hole on described dish bar slide block for rotary sliding coordinates; Drive chain is had between output sprocket in described disc type sprocket motors and described sprocket wheel rotating disk; As improvement: described by appointing a piston shock absorber to comprise by appointing a piston rod, by appointing a piston cylinder, by appointing a guide cylinder, by appointing a lower seal end cap, by appointing upper end cover and by appointing cylinder outer ring and by appointing a cylinder outer ring; It is described that by appointing, piston rod one end is airtight is fixed with external sealed piston, porose seal ring in external sealed outside piston groove, hole seal ring and form movable sealing by appointing between piston cylinder endoporus, by appointing the piston rod the other end to have bar outside thread, bar major diameter of external thread size is less than or equal to by appointing piston rod outside dimension; Described by appointing cylinder outer ring Shang Yougang outer ring internal thread and a cylinder outer ring scrobicular ring, it is described that by appointing, piston cylinder one end is airtight is fixed with interior packed-piston, axle seal ring is had in interior packed-piston internal bore groove, axle seal ring and form movable sealing by appointing between piston rod cylindrical, cylinder is had by appointing bulge loop by appointing the piston cylinder the other end, cylinder has cylinder by appointing cambered surface by appointing bulge loop exterior edge face, and cylinder is by appointing between bulge loop and described cylinder outer ring scrobicular ring for rotary sliding coordinates; Described has lower end cap outside thread by appointing on lower seal end cap, by appointing the inboard face of lower seal end cap to have cylinder to seal concave cone face, has shock absorber lower end by appointing lower seal end cap outer end;
Described has upper cover outside thread by appointing on upper end cover, has cylinder to seal concave cone face and by appointing screw, have shock absorber upper tip by appointing upper end cover outer end by appointing the inboard face of upper end cover;
For screw threads for fastening coordinates between described lower end cap outside thread and described cylinder outer ring internal thread, described cylinder seals close contact between concave cone face by appointing cambered surface and described cylinder; Described by appointing cylinder outer ring Shang Youtong outer ring internal thread and a cylinder outer ring scrobicular ring, described by appointing a guide cylinder one end to have cylinder by appointing a bulge loop, cylinder has cylinder by appointing a cambered surface by appointing a bulge loop outer end, and cylinder is by appointing between bulge loop and described cylinder outer ring scrobicular ring for rotary sliding coordinates; Described by appointing the endoporus cylindrical wall of another perforate end of guide cylinder and by appointing between piston cylinder cylindrical for being slidably matched; For screw threads for fastening coordinates between described upper cover outside thread and described cylinder outer ring internal thread, described cylinder seals close contact between concave cone face by appointing cambered surface and described cylinder; External sealed piston and form the first buffering cavity by appointing between lower seal end cap, forms second and cushions cavity between external sealed piston and interior packed-piston;
Described by appointing piston cylinder and described by appointing a guide cylinder to be all overallly adopt tungsten alloy steel, the weight percent content of the constituent of tungsten alloy steel is: W (tungsten): 21 ~ 22%, Mo(molybdenum): 8 ~ 9%, Cu(copper): 7 ~ 8%, Ni(nickel): 6 ~ 7%, Zn(zinc): 4 ~ 5%, C(carbon): 1.3 ~ 1.5%, surplus is Fe(iron) and inevitable impurity; The weight percent content of described impurity is: Sn(tin) be less than 0.05%, Si(silicon) be less than 0.20%, Mn(manganese) be less than 0.25%, S(sulphur) be less than 0.0l0%, P(phosphorus) be less than 0.015%; The material Specifeca tion speeification of described tungsten alloy is: tensile strength is 390 ~ 392MPa;
Described interior packed-piston and external sealed piston are all overall employing zirconia ceramics; Described zirconia ceramics by with (zirconia) is base-material, be equipped with mineralizing agent MgO (magnesium oxide), (barium carbouate) and bonding clay form, and the weight percent content of its each component is : 92.2 ~ 92.8%; MgO:2 ~ 3%; : 2 ~ 3%; Bonding clay: 2.2 ~ 2.8%.
As further improvement: described disc type sprocket motors comprises motor housing, front cover, rear end cover, machine shaft, front stator, rear stator, rotor and output sprocket, front cover and rear end cover are fixedly connected on face, motor housing rear and front end respectively, front cover inboard and rear end cover inboard are all fixed with every magnetic aluminium sheet, front cover is fixed with front stator every magnetic aluminium sheet inboard, rear end cover is fixed with rear stator every magnetic aluminium sheet inboard, rotor is fixed on machine shaft, rotor is between front stator and rear stator and there is air gap both sides, machine shaft is supported on front cover and rear end cover by fore bearing and rear bearing respectively,
Plane and have front airtight current chamber between magnetic aluminium sheet in front cover, the ante-chamber inlet pipe on front airtight current chamber and ante-chamber go out after pipe passes through front cover to be respectively external to supply and drain water system; Plane and have rear airtight current chamber between magnetic aluminium sheet in rear end cover, the back cavity inlet pipe on rear airtight current chamber and back cavity go out after pipe passes through rear end cover to be respectively external to supply and drain water system;
Described predetermination and described rear stator formed by stator core and armature winding, rotor is made up of rotor core and permanent magnet, described permanent magnet is arranged between adjacent rotor iron core, and described permanent magnet is along the circumferential direction evenly inserted in rotor field spider; The radial outside of rotor core and permanent magnet is provided with the outer hub of rotor, the outer hub of rotor plays the effect of fastening rotor core and permanent magnet, the outer hub outer surface of rotor is provided with Circular gratings sheet, and what the casing inner wall of motor housing is provided with hub corresponding setting outer with described rotor has grating reading head;
Described rear end cover is equipped with bearing bonnet, bearing bonnet is fixed by screws on rear end cover, and bearing bonnet the inner is stretched into the bonnet bearing hole on rear end cover and props up rear bearing; Described front cover is fixed with bending resistance component, and bending resistance component is fixed by screws on front cover, and the component for adjusting ring the inner on bending resistance component is stretched into the Front Cover Bearing hole on front cover and props up fore bearing; A no inner-ring bearing is had between bending resistance component outer end and output sprocket; The outer bearing of bending resistance component supports circular surfaces and is compounded with a layer thickness for the tungsten alloy described in 0.8 to 0.9 millimeter.
As further improvement: the eccentric distance between the center line of described slide block pivot pin and described rotating disk pivot pin with 1845 to 1855 millimeters.
beneficial effect of the present invention:
(1) periphery of, working platform is evenly equipped with Platform hinge with by appointing a piston shock absorber one end to be connected, be connected with fixed feet by appointing the piston shock absorber the other end, and described by appointing degree of presenting angle between piston shock absorber and described working platform plane to arrange, guarantee that working platform is steadily fixed.Adopting by appointing piston shock absorber is threaded in conjunction with double-piston sealing two-way shock-absorbing, every only by appointing piston shock absorber can bear pulling force or pressure simultaneously, guarantees that working platform can resist the sea beat from any orientation.
(2) the permanent magnet cross section, in the present invention is isosceles trapezoid, and axial magnetic field increases from inside to outside gradually, avoids magnetic field to occur saturated in inner radius, improves the utilization ratio of permanent magnet.In addition, owing to being formed with conical surface air gap between stator core and rotor core and permanent magnet, increase air gap useful area, further improve the utilization effect of permanent magnet;
(3) among the bending resistance component, in the present invention, outside component flange, outer bearing props up the coaxality held round between component for adjusting ring cylindrical is that the error of millimeter unit sizes is less than or equal to. millimeter, is similar to absolute concentric shafts.Prop up to hold round in order to ensure the outer bearing on bending resistance component, between component for adjusting ring cylindrical, there is highi degree of accuracy coaxality, guarantee that machine shaft and output sprocket also have coaxality relation, realize the steady coaxial rotating of output sprocket; Said structure achieves machine shaft and fore bearing and rear bearing only need bear pure torsion, and the radial force that drive chain produces react to output sprocket be can completely bear by no inner-ring bearing, only act on bending resistance component, radial force is born in overhanging section of the rotating shaft that completely avoid on machine shaft;
(4), in the present invention by appointing piston cylinder and described by appointing guide cylinder and bending resistance component to be all overallly adopt tungsten alloy steel, possess good rigidity resistance to deformation; Particularly by appointing piston shock absorber to have employed packed-piston and external sealed piston in zirconia ceramics, all adopt the piston flange cylinder of tungsten alloy steel and flange guide cylinder to combine with entirety, two kinds of unlike materials contact, and not only have better rub resistance, but also can better be corrosion-resistant.
(5), disc type sprocket motors is combined with by a piston shock absorber by working platform by the present invention, solve two hang-ups always perplexing offshore field: power source motor rapid wear problem and oil well installation Integral shockproof problem, achieve beyond thought effect simultaneously.
Accompanying drawing explanation
Fig. 1 is overall side schematic view of the present invention.
Fig. 2 is Fig. 1 plan view.
Fig. 3 is the enlarged local section schematic diagram at slide block pivot pin 177 position in Fig. 2.
Fig. 4 be in Fig. 1 or Fig. 2 by appoint a piston shock absorber 145 amplification profile schematic diagram.
Fig. 5 be in Fig. 4 by appointing upper end cover 620 part sectioned view.
Fig. 6 is the side cutaway view after Fig. 5 turn 90 degrees.
Fig. 7 be in Fig. 4 by appoint lower seal end cap 119 part sectioned view.
Fig. 8 is the side cutaway view after Fig. 7 turn 90 degrees.
Fig. 9 be in Fig. 4 by appoint cylinder outer ring 883 sectional drawing.
Figure 10 be in Fig. 4 by appoint cylinder outer ring 983 part sectioned view.
Figure 11 be in Fig. 4 by appoint guide cylinder 612 sectional drawing.
Figure 12 be in Fig. 4 by appointing piston rod 611 and external sealed piston 936 to be fixed together sectional drawing.
Figure 13 be in Fig. 4 by appoint piston cylinder 613 sectional drawing.
Figure 14 is the disc type sprocket motors 180 overall structure partial cutaway schematic in Fig. 1 or Fig. 2.
Figure 15 is the motor housing 10 amplification profile schematic diagram in Figure 14.
Figure 16 is the front cover 20 enlarged local section schematic diagram in Figure 14.
Figure 17 is the rear end cover 30 enlarged local section schematic diagram in Figure 14.
The heavy gauge schematic diagram at Figure 18 position residing for the bending resistance component 80 in Figure 14 and output sprocket 90.
Figure 19 is output sprocket 90 1 side view in Figure 18.
Figure 20 is the output sprocket 90 amplification profile schematic diagram in Figure 18.
Figure 21 is the bending resistance component 80 amplification profile schematic diagram in Figure 14.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments:
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4: tungsten alloy is equipped by appointing piston offshore field auxiliary power, the periphery of working platform 110 being evenly equipped with Platform hinge 144 to be connected with by nose end head on a piston shock absorber 145, being connected with fixed feet 146 by appointing a piston shock absorber 145 lower opening termination; Described working platform 110 is fixed with motor base 505, rotary base 158 and fork base 151, rotatablely on fork pivot pin 503 on fork base 151 be fixed wtih drilling well fork 153, rotating disk pivot pin 188 on described rotary base 158 is rotatable is fixed wtih sprocket wheel rotating disk 179, and described motor base 505 is installed with disc type sprocket motors 180; Described drilling well fork 153 1 side is fixedly ined succession the large rope 152 of drilling well, and the large rope of drilling well 152 is deep into sub-sea drilled wells bed after passing through the platform jewel hole hole 501 on described working platform 110; Described drilling well fork 153 the other end there is slide block elongated slot 157, slide block elongated slot 157 is slidably combined with dish bar slide block 159; Described sprocket wheel rotating disk 179 1 side is fixed wtih the pivot pin stud 771 on slide block pivot pin 177, pivot pin step section 772 cylindrical on described slide block pivot pin 177 with between its center through hole 508 on described dish bar slide block 159 for rotary sliding coordinates; Drive chain 502 is had between output sprocket 90 in described disc type sprocket motors 180 and described sprocket wheel rotating disk 179; As improvement:
In Fig. 1, Fig. 2, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13: described by appointing a piston shock absorber 145 to comprise by appointing a piston rod 611, by appointing a piston cylinder 613, by appointing a guide cylinder 612, by appointing a lower seal end cap 119, by appointing upper end cover 620 and by appointing cylinder outer ring 983 and by appointing a cylinder outer ring 883; It is described that by appointing, piston rod 611 one end is airtight is fixed with external sealed piston 936, porose seal ring 636 in external sealed piston 936 peripheral groove, hole seal ring 636 and form movable sealing by appointing between piston cylinder 613 endoporus, by appointing piston rod 611 the other end to have bar outside thread 625, bar outside thread 625 outside dimension is less than or equal to by appointing piston rod 611 outside dimension; Described has cylinder outer ring internal thread 984 and cylinder outer ring scrobicular ring 986 by appointing on cylinder outer ring 983, it is described that by appointing, piston cylinder 613 one end is airtight is fixed with interior packed-piston 621, axle seal ring 626 is had in interior packed-piston 621 internal bore groove, axle seal ring 626 and form movable sealing by appointing between piston rod 611 cylindrical, cylinder is had by appointing bulge loop 191 by appointing piston cylinder 613 the other end, cylinder has cylinder by appointing cambered surface 959 by appointing bulge loop 191 exterior edge face, and cylinder is by appointing between bulge loop 191 and described cylinder outer ring scrobicular ring 986 for rotary sliding coordinates; Described has lower end cap outside thread 921 by appointing on lower seal end cap 119, by appointing the inboard face of lower seal end cap 119 to have cylinder to seal concave cone face 922, has shock absorber lower end 632 by appointing lower seal end cap 119 outer end;
Described has upper cover outside thread 627 by appointing on upper end cover 620, has cylinder to seal concave cone face 822 and by appointing screw 615, have shock absorber upper tip 622 by appointing upper end cover 620 outer end by appointing the upper inboard face of end cover 620;
For screw threads for fastening coordinates between described lower end cap outside thread 921 and described cylinder outer ring internal thread 984, described cylinder seals close contact between concave cone face 922 by appointing cambered surface 959 and described cylinder; Described has an outer ring internal thread 884 and cylinder outer ring scrobicular ring 886 by appointing on cylinder outer ring 883, described has cylinder by appointing a bulge loop 617 by guide cylinder 612 one end, cylinder has cylinder by appointing cambered surface 859 by appointing bulge loop 617 outer end, and cylinder is by appointing between bulge loop 617 and described cylinder outer ring scrobicular ring 886 for rotary sliding coordinates; Described by appointing the endoporus cylindrical wall of another perforate end of guide cylinder 612 and by appointing between piston cylinder 613 cylindrical for being slidably matched; For screw threads for fastening coordinates between described upper cover outside thread 627 and described cylinder outer ring internal thread 884, described cylinder seals close contact between concave cone face 822 by appointing cambered surface 859 and described cylinder; External sealed piston 936 and form the first buffering cavity 111 by appointing between lower seal end cap 119, forms second and cushions cavity 112 between external sealed piston 936 and interior packed-piston 621.
Described interior packed-piston 621 and external sealed piston 936 are all overall employing zirconia ceramics; This zirconia ceramics with (zirconia) is base-material, be equipped with mineralizing agent MgO (magnesium oxide), (barium carbouate) and bonding clay form, and the weight percent content of its each component is : 92.5%; MgO:2.5%; : 2.5%; Bonding clay: 2.5%.
Described by appointing piston cylinder 613 and described by appointing guide cylinder 612 and described bending resistance component 80 to be all overallly adopt tungsten alloy steel, this tungsten alloy Steel material is made up of the element of following weight percentage: W (tungsten): 21.5%, Mo(molybdenum): 8.5%, Cu(copper): 7.5%, Ni(nickel): 6.5%, Zn(zinc): 4.5%, C(carbon): 1.4%, surplus is Fe(iron) and inevitable impurity; The weight percent content of described impurity is: Sn(tin) be 0.04%, Si(silicon) be 0.18%, Mn(manganese) be 0.21%, S(sulphur) be 0.009%, P(phosphorus) be 0.012%; The material Specifeca tion speeification of described tungsten alloy is: tensile strength is 391MPa.
Fig. 1, Fig. 2, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, Figure 19, in Figure 20 and Figure 21, described disc type sprocket motors 180 comprises motor housing 10, front cover 20, rear end cover 30, machine shaft 40, front stator 51, rear stator 52, rotor 50 and output sprocket 90, front cover 20 and rear end cover 30 are fixedly connected on face, motor housing 10 rear and front end respectively, front cover 20 inboard and rear end cover 30 inboard are all fixed with every magnetic aluminium sheet 23, front cover 20 is fixed with front stator 51 every magnetic aluminium sheet 23 inboard, rear end cover 30 is fixed with rear stator 52 every magnetic aluminium sheet 23 inboard, rotor 50 is fixed on machine shaft 40, rotor 50 is between front stator 51 and rear stator 52 and there is air gap both sides, machine shaft 40 is supported on front cover 20 and rear end cover 30 by fore bearing 25 and rear bearing 35 respectively,
Front cover 20 li of planes and have front airtight current chamber 78 between magnetic aluminium sheet 23, the ante-chamber inlet pipe 17 on front airtight current chamber 78 and ante-chamber go out after pipe 18 passes through front cover 20 to be respectively external to supply and drain water system; Rear end cover 30 li of planes and have rear airtight current chamber 79 between magnetic aluminium sheet 23, the back cavity inlet pipe 37 on rear airtight current chamber 79 and back cavity go out after pipe 36 passes through rear end cover 30 to be respectively external to supply and drain water system;
Described predetermination 51 and described rear stator 52 formed by stator core 26 and armature winding 22, rotor 50 is made up of rotor core 11 and permanent magnet 12, described permanent magnet 12 is arranged between adjacent rotor iron core 11, and described permanent magnet 12 is along the circumferential direction evenly inserted in rotor field spider 32; The radial outside of rotor core 11 and permanent magnet 12 is provided with the outer hub 13 of rotor, the outer hub 13 of rotor plays the effect of fastening rotor core 11 and permanent magnet 12, outer hub 13 outer surface of rotor is provided with Circular gratings sheet 86, and what the casing inner wall 19 of motor housing 10 is provided with hub 13 corresponding setting outer with described rotor has grating reading head 55;
Described rear end cover 30 is equipped with bearing bonnet 33, and bearing bonnet 33 is fixed by screws on rear end cover 30, and bearing bonnet 33 the inner is stretched into the bonnet bearing hole 34 on rear end cover 30 and propped up rear bearing 35; Described front cover 20 is fixed with bending resistance component 80, and bending resistance component 80 is fixed by screws on front cover 20, and component for adjusting ring 82 the inner on bending resistance component 80 is stretched into the Front Cover Bearing hole 24 on front cover 20 and props up fore bearing 25; A no inner-ring bearing 60 is had between bending resistance component 80 outer end and output sprocket 90; The outer bearing of bending resistance component 80 props up and holds round 89 surface recombination and have a layer thickness for the tungsten alloy described in 0.8 to 0.9 millimeter.
As further improvement: have axle flat key section 88 between the component inner bore of step 84 of bending resistance component 80 and the rotating shaft of machine shaft 40 overhanging section 46, the outer bearing of bending resistance component 80 props up and holds round 89 and support cylinder needle roller 68 on no inner-ring bearing 60, the cylindrical of the needle roller outer ring 69 on no inner-ring bearing 60 is fixed on sprocket wheel step hole 96 inner round wall of output sprocket 90, sprocket wheel step hole 96 bottom surface there is the axis for spline tooth circumferential engagement between sprocket wheel splined hole 94 and the axle head spline 49 on machine shaft 40 slidably coordinate, the end face of axle head spline 49 there is axle head screw 47, axle head screw 47 is combined with the axial displacement that step backing-up screw 74 limits axially locating back-up ring 70, axially locating back-up ring 70 outer rim position is fixed on the outer Transverse plane of sprocket wheel splined hole 94, then the axial displacement of output sprocket 90 is limited.
As further improvement: axially locating back-up ring 70 outer side surface has locking catch 71 together with axially locating back-up ring 70, be fixed on the outer Transverse plane of sprocket wheel splined hole 94 by back-up ring screw 77; On any flat limit that locking catch 71 has catch corner edges 72 to be close on two flat side bumper shoulder caps 73 of step backing-up screw 74.
As further improvement: output sprocket 90 cylindrical has multiple chainwheel tooth 99, output sprocket 90 exterior edge face there is sprocket wheel end face screw 97, sprocket wheel step hole 96 there are sprocket wheel tool withdrawal groove 93 and sprocket wheel draw-in groove 98, in sprocket wheel draw-in groove 98, activity is combined with sprocket hole snap ring 91, position is placed with sprocket wheel Adjusting ring 92 at sprocket wheel step hole 96 base angle, and both sides, needle roller outer ring 69 against sprocket hole snap ring 91 and sprocket wheel Adjusting ring 92 respectively.
As further improvement: bending resistance component 80 there is component flange 87, having inside component flange 87 between component for adjusting ring 82 cylindrical and Front Cover Bearing hole 24 is transition fit; Component for adjusting ring 82 cylindrical and outer bearing have coaxality relation between propping up and holding round 89; Front cover 20 outer side surface there is protecgulum concave station face 29, protecgulum concave station face 29 has five to four protecgulum screws 27, component flange 87 has five to four component pillow holes 85 corresponding with protecgulum screw 27; Component screw 28 passes through component pillow hole 85 and matches with protecgulum screw 27, is fixed on by bending resistance component 80 on protecgulum concave station face 29; There is between protecgulum concave station face 29 and Front Cover Bearing hole 24 the perpendicularity relation of Pyatyi tolerance grade.
As further improvement: bonnet bearing hole 34 outer side surface on rear end cover 30 has bonnet concave station face 75, bonnet concave station face 75 has five to four bonnet screws 65, bearing bonnet 33 there are five to four bonnet through holes corresponding with bonnet screw 65; Rear cover screw 67 passes through bonnet through hole and matches with bonnet screw 65, is fixed on by rear end cover 30 on bonnet concave station face 75; There is between bonnet concave station face 75 and bonnet bearing hole 34 the perpendicularity relation of seven grades of tolerance grades.
in embodiment:
There is between the center line of described slide block pivot pin 177 and described rotating disk pivot pin 188 eccentric distance of 1845 to 1855 millimeters, be preferably 1850 millimeters.
By appoint in piston shock absorber 145 by appointing piston cylinder 613 internal diameter to be 350 to 352 millimeters, by appointing piston rod 611 diameter to be 66 millimeters, cylinder is by appointing bulge loop 191 external diameter to be 404 millimeters, by appointing guide cylinder 612 internal diameter to be 391 millimeters, cylinder is by appointing bulge loop 617 external diameter to be 444 millimeters, and bar outside thread 625 is M64 × 2; Distance between shock absorber upper tip 622 and shock absorber lower end 632 is 2390 millimeters; Present 45 degree of angles between piston shock absorber 145 and described working platform 110 plane arrange by appointing.
One, a key technology of the present invention is: the periphery of working platform 110 is evenly equipped with by appointing piston shock absorber 145.
Two, key components and parts of the present invention is by appointing piston shock absorber 145 assembling process as follows:
(1), described by appointing, between the smooth outer nose circle of piston rod 611 and external sealed piston 936 endoporus, interference fit is airtight is integrally fixed, and is placed on by hole seal ring 636 in the seal groove on external sealed piston 936 cylindrical; Described by appointing, between piston cylinder 613 opening end endoporus and interior packed-piston 621 cylindrical, interference fit is airtight is integrally fixed, and is placed on by axle seal ring 626 in the seal groove on interior packed-piston 621 endoporus.
(2), by by bar outside thread 625 one end of appointing on piston rod 611 pass through interior packed-piston 621 endoporus, make bar outside thread 625 and match fastening by a screw 615.
Cylinder will be inserted in by appointing bulge loop 191 in advance by the cylinder outer ring scrobicular ring 986 of appointing on cylinder outer ring 983, again cylinder is sealed concave cone face 922 by appointing cambered surface 959 aligned cylinder, finally cylinder outer ring internal thread 984 and lower end cap outside thread 921 spiral being tightened, making cylinder be close to sealing by appointing cambered surface 959 and cylinder to seal concave cone face 922;
In like manner, cylinder will be inserted in by appointing bulge loop 617 in advance by the cylinder outer ring scrobicular ring 886 of appointing on cylinder outer ring 883, again cylinder is sealed concave cone face 822 by appointing cambered surface 859 to aim at cylinder, finally cylinder outer ring internal thread 884 and upper cover outside thread 627 spiral being tightened, making cylinder be close to sealing by appointing cambered surface 859 and cylinder to seal concave cone face 822.
(3), achieve, the hole seal ring 636 in external sealed piston 936 peripheral groove and described form movable sealing by appointing between piston cylinder 613 endoporus; Axle seal ring 626 in interior packed-piston 621 internal bore groove and described form movable sealing by appointing between piston rod 611 cylindrical.Meanwhile, described by appointing the endoporus cylindrical wall of guide cylinder 612 perforate end and described being slidably matched by appointing to form between piston cylinder 613 cylindrical, play leading role.Described external sealed piston 936 and described form the first buffering cavity 111 by appointing between lower seal end cap 119, forms second between described external sealed piston 936 and described interior packed-piston 621 and cushions cavity 112.
(4), by four by the shock absorber upper tip 622 of appointing on piston shock absorber 145 successively with the periphery of working platform 110 be evenly equipped with Platform hinge 144 be connected, be connected by the shock absorber lower end 632 of appointing on piston shock absorber 145 with fixed feet 146.
Under sea beat, when the two-way shock absorber 445 of clip spring subjects pressure load, by compression, and the second spring 626 is stretched the first spring 636 in the two-way shock absorber 445 of clip spring;
Under sea beat, when the two-way shock absorber 445 of clip spring subjects tensile load, then the first spring 636 in the two-way shock absorber 445 of clip spring is stretched, and the second spring 626 by compression.
No matter be under pressure or under tension impact, the two-way shock absorber 445 of clip spring can both play the effect of buffering.
three,another key technology of the present invention is: power source adopts disc type sprocket motors 180, and is equipped with bending resistance component 80.
Front stator 51 and rear stator 52 formed by stator core 26 and armature winding 22, rotor 50 is along the circumferential direction evenly inserted in rotor field spider 32 by several rotor cores 11 and the permanent magnet 12 be arranged between adjacent rotor iron core 11 and forms, the radial outside of rotor core 11 and permanent magnet 12 is provided with the outer hub 13 of rotor, play fastening effect, outer hub 13 outer surface of rotor is provided with Circular gratings sheet 86, the casing inner wall 19 of motor housing 10 there is the corresponding position of the outer hub 13 with described rotor be provided with grating reading head 55, for measuring angle and the rotating speed of electric machine rotation.
Described rotor core 11 and permanent magnet 12 are being isosceles trapezoid perpendicular to the cross section in motor sense of rotation, be placed between former and later two stator cores 26, its hypotenuse is parallel with the hypotenuse of the parallelogram section of described two stator cores 26 respectively and align vertically, at described rotor core 11 and the air gap all forming cone surface shape between permanent magnet 12 and two stator cores 26.
Among bending resistance component 80, outside component flange 87, outer bearing props up the coaxality held round between 89 and component for adjusting ring 82 cylindrical is that the error of 100 millimeters of unit sizes is less than or equal to 0.01 millimeter, is similar to absolute concentric shafts.
The outer bearing of bending resistance component 80 props up and holds round 89 surface recombination and have a layer thickness for the tungsten alloy described in 0.85 millimeter.
The Front Cover Bearing hole 24 of front cover 20 is fixed wtih fore bearing 25 cylindrical, fore bearing 25 endoporus is fixed wtih the fore bearing section 45 of machine shaft 40; The bonnet bearing hole 34 of rear end cover 30 is fixed wtih rear bearing 35 cylindrical, rear bearing 35 endoporus is fixed wtih the rear bearing section 43 of machine shaft 40.
Have installation sole below motor housing 10, install between sole and motor housing 10 and have reinforced company's muscle, motor housing 10 outer wall has terminal box, and elastic cable paper passes through terminal box and is connected to external control power supply; Flat key 14 transmitting torque is had for transition fit between rotational clearance 48 on rotor field spider 32 endoporus and machine shaft 40.
Front cover 20 is fixed on motor housing 10 front-end face by the protecgulum housing hole 39 that 8 front screws 21 pass through on front cover 20, and rear end cover 30 is fixed on motor housing 10 ear end face by the bonnet housing hole 38 that after 8, screw 31 passes through on rear end cover 30.
Four, the critical component number of assembling steps of disc type sprocket motors 180 is as follows:
(1), bending resistance component 80 is installed, by the component for adjusting ring 82 on bending resistance component 80 and nearly outer end place, the Front Cover Bearing hole 24 on front cover 20 transition fit, and match with the protecgulum screw 27 on front cover 20 with the component pillow hole 85 that component screw 28 passes through on bending resistance component 80, component flange 87 on bending resistance component 80 is close to fixing with the protecgulum concave station face 29 on front cover 20, makes the rotational clearance 48 having 1 millimeter between rotating shaft overhanging section of 46 external frames of the component inner bore of step 84 on bending resistance component 80 and machine shaft 40.
(2), install needle roller outer ring 69, no inner-ring bearing 60 selects RNA type separated type no inner-ring bearing.First sprocket wheel Adjusting ring 92 Spielpassung being put among the sprocket wheel step hole 96 on output sprocket 90 and crossing sprocket wheel tool withdrawal groove 93 is attached on sprocket hole bottom surface 95; Again by among the sprocket wheel step hole 96 on the needle roller outer ring 69 on no inner-ring bearing 60 slightly interference fit press-in output sprocket 90, finally sprocket hole snap ring 91 special tool is put into sprocket wheel draw-in groove 98, make both sides, needle roller outer ring 69 against sprocket hole snap ring 91 and sprocket wheel Adjusting ring 92 respectively.
(3) connection, between output sprocket 90 with machine shaft 40: the needle roller outer ring 69 be fixed on output sprocket 90 is inserted in together with cylinder needle roller 68 and is fixed on outer bearing and props up and hold round 89 last points, slowly rotate output sprocket 90, sprocket wheel splined hole 94 on output sprocket 90 is aimed at the axle head spline 49 on machine shaft 40 match, continue pushing output sprocket 90, the overall and outer bearing of the cylinder needle roller 68 on needle roller outer ring 69 is propped up hold round 89 to match completely;
First take after step backing-up screw 74 passes through axially locating back-up ring 70 center hole and match with the axle head screw 47 on machine shaft 40, the two flat side bumpers of axially locating back-up ring 70 on step backing-up screw 74 are takeed between caps 73 and axle head spline 49 exterior edge face has one millimeter axially freely to measure;
Match with the sprocket wheel end face screw 97 on output sprocket 90 pass through the positioning retainer ring through hole 76 on axially locating back-up ring 70 again with five back-up ring screws 77 after, axially locating back-up ring 70 is also fastened on output sprocket 90 exterior edge face;
Also match with the sprocket wheel end face screw 97 on output sprocket 90 after finally passing through the through hole on locking catch 71 and the positioning retainer ring through hole 76 on axially locating back-up ring 70 successively with a back-up ring screw 77, on any flat limit that catch corner edges 72 on locking catch 71 is aimed on two flat side bumper shoulder caps 73, play and loosen effect.
Install.
Five, run
When squirrel-cage water-cooled sprocket motors 180 starts, the moment of torsion that electromagnetic force produces is matched with the sprocket wheel splined hole 94 on output sprocket 90 by the axle head spline 49 on machine shaft 40, passes to the multiple chainwheel tooth 99 on output sprocket 90, realizes moment of torsion and exports.
Multiple chainwheel tooth 99 on output sprocket 90 is rotated centered by rotating disk pivot pin 188 by drive chain 502 driving sprocket wheel rotating disk 179, and circumgyration campaign done by related slide block pivot pin 177 then; While its center through hole 508 on dish bar slide block 159 makes circumference rotation-sliding with pivot pin step section 772 cylindrical on slide block pivot pin 177, force on the slide block elongated slot 157 of two planes up and down on dish bar slide block 159 on drilling well fork 153 and do sliding motion, drive drilling well fork 153 to make swinging motion centered by fork pivot pin 503, finally realize the large rope 152 of drilling well and move up and down and obtain seabed crude oil.
Six, the present invention has following outstanding substantive distinguishing features and the effect that improves significantly:
(1) periphery of, working platform 110 is evenly equipped with Platform hinge 144 with by appointing piston shock absorber 145 one end to be connected, be connected with fixed feet 146 by appointing piston shock absorber 145 the other end, and described present 45 degree of angles between piston shock absorber 145 and described working platform 110 plane arrange by appointing, guarantee that working platform 110 is steadily fixed.Adopting by appointing piston shock absorber 145 is threaded in conjunction with double-piston sealing two-way shock-absorbing, every only by appointing piston shock absorber 145 can bear pulling force or pressure simultaneously, guarantees that working platform 110 can resist the sea beat from any orientation.
Under sea beat, when subject tensile load by a piston shock absorber 145, expanded by the closed gas in two-way shock-absorbing first chamber 256 of appointing in piston shock absorber 145, compressed by the closed gas in two-way shock-absorbing second chamber 265 of appointing in piston shock absorber 145; Under sea beat, when subject pressure load by a piston shock absorber 145, compressed by the closed gas in two-way shock-absorbing first chamber 256 of appointing in piston shock absorber 145, expanded by the closed gas in two-way shock-absorbing second chamber 265 of appointing in piston shock absorber 145.No matter be under pressure or under tension impact, by the effect of appointing piston shock absorber 145 can both play shock-absorbing, guarantee that working platform 110 can resist the sea beat from any orientation.
(2) permanent magnet 12 cross section, in the present invention is isosceles trapezoid, and axial magnetic field increases from inside to outside gradually, avoids magnetic field to occur saturated in inner radius, improves the utilization ratio of permanent magnet 12.In addition, owing to being formed with conical surface air gap between stator core 26 and rotor core 11 and permanent magnet 12, increase air gap useful area, further improve the utilization effect of permanent magnet 12.
(3) among the bending resistance component 80, in the present invention, outside component flange 87, outer bearing props up the coaxality held round between 89 and component for adjusting ring 82 cylindrical is that the error of 100 millimeters of unit sizes is less than or equal to 0.01 millimeter, is similar to absolute concentric shafts.Prop up to hold round between 89 and component for adjusting ring 82 cylindrical in order to ensure the outer bearing on bending resistance component 80 and there is highi degree of accuracy coaxality, guarantee that machine shaft 40 and output sprocket 90 also have coaxality relation, realize output sprocket 90 steadily coaxial rotating.Said structure achieves machine shaft 40 and fore bearing 25 and rear bearing 35 need and bears pure torsion, and the radial force that drive chain produces react to output sprocket 90 be can completely bear by no inner-ring bearing 60, only act on bending resistance component 80, the rotating shaft that completely avoid on machine shaft 40 bears radial force for overhanging section 46.
(4), in the present invention by appointing piston cylinder 613 and described by appointing guide cylinder 612 and bending resistance component 80 to be all overallly adopt tungsten alloy steel, possess good rigidity resistance to deformation; Particularly by appointing piston shock absorber 145 to have employed packed-piston 621 and external sealed piston 936 in zirconia ceramics, all adopt the piston flange cylinder 216 of tungsten alloy steel and flange guide cylinder 227 to combine with entirety, two kinds of unlike materials contact, not only there is better rub resistance, but also can better be corrosion-resistant.
(5), disc type sprocket motors 180 is combined with by a piston shock absorber 145 by working platform 110 by the present invention, solve two hang-ups always perplexing offshore field: power source motor rapid wear problem and oil well installation Integral shockproof problem, achieve beyond thought effect simultaneously.
Seven, experimental comparison
Table 1 be disc type sprocket motors 180 in the present invention have employed bending resistance component fore bearing after 80s 25 fore bearing section 45 radius run-out degree (micron) of machine shaft 40 of fixing with do not adopt the fore bearing 2 of the constant power motor of bending resistance component 80 the laboratory data of fore bearing section 45 radius run-out degree (micron) of machine shaft 40 of fixing compare.
The data of the radius run-out degree (micron) at table 1 fore bearing section 45 position compare
Contrasting data from table 1 can draw: it is after 80s that fore bearing 25 outer end have employed bending resistance component, load suffered by fore bearing 25 alleviates wearing and tearing and reduces, cause fore bearing 25 the radius run-out degree (micron) at fore bearing section 45 position of machine shaft 40 of fixing more stable.
The interior packed-piston 621 of table 2 zirconia ceramics and external sealed piston 936 contrast with the anti-corrosion wear laboratory data of conventional 316 stainless interior packed-pistons 621 and external sealed piston 936
Can be drawn by the contrasting data of table 2: the corrosion resistant antiwear ability of zirconia ceramics piston is better than conventional 316 stainless steel pistons far away.
Table 3 for by appointing piston cylinder 613 and by appointing a guide cylinder 612 to be all overall adopt tungsten alloy steel, and by appointing piston cylinder 613 and by appointing a guide cylinder 612 to be all overallly adopt the surface roughness extent of damage laboratory data of conventional 316 stainless steels to contrast
Can be drawn by the contrasting data of table 3: by appointing piston cylinder 613 and being all the overall surface roughness extent of damage adopting the surface roughness extent of damage of tungsten alloy steel to be far smaller than conventional stainless steel outer surface by a guide cylinder 612.

Claims (3)

1. tungsten alloy is equipped by appointing piston offshore field auxiliary power, the periphery of working platform (110) being evenly equipped with Platform hinge (144) to be connected with by the upper nose end head of a piston shock absorber (145), being connected with fixed feet (146) by appointing piston shock absorber (145) lower opening termination, described working platform (110) is fixed with motor base (505), rotary base (158) and fork base (151), fork pivot pin (503) on fork base (151) is above rotatable is fixed wtih drilling well fork (153), rotating disk pivot pin (188) on described rotary base (158) is rotatable is fixed wtih sprocket wheel rotating disk (179), and described motor base (505) is installed with disc type sprocket motors (180), described drilling well fork (153) side is fixedly ined succession the large rope of drilling well (152), and the large rope of drilling well (152) is deep into sub-sea drilled wells bed after passing through the platform jewel hole hole (501) on described working platform (110), described drilling well fork (153) the other end there is slide block elongated slot (157), slide block elongated slot (157) is slidably combined with dish bar slide block (159), described sprocket wheel rotating disk (179) side is fixed wtih the pivot pin stud (771) on slide block pivot pin (177), pivot pin step section (772) cylindrical on described slide block pivot pin (177) with between its center through hole (508) on described dish bar slide block (159) for rotary sliding coordinates, drive chain (502) is had between output sprocket (90) in described disc type sprocket motors (180) and described sprocket wheel rotating disk (179), as improvement: described by appointing a piston shock absorber (145) to comprise by appointing a piston rod (611), by appointing a piston cylinder (613), by appointing a guide cylinder (612), by appointing a lower seal end cap (119), by appointing upper end cover (620) and by appointing cylinder outer ring (983) and by appointing a cylinder outer ring (883), it is described that by appointing, piston rod (611) one end is airtight is fixed with external sealed piston (936), porose seal ring (636) in external sealed piston (936) peripheral groove, hole seal ring (636) and form movable sealing by appointing between piston cylinder (613) endoporus, by appointing piston rod (611) the other end to have bar outside thread (625), bar outside thread (625) outside dimension is less than or equal to by appointing piston rod (611) outside dimension, described has cylinder outer ring internal thread (984) and cylinder outer ring scrobicular ring (986) by appointing on cylinder outer ring (983), it is described that by appointing, piston cylinder (613) one end is airtight is fixed with interior packed-piston (621), axle seal ring (626) is had in interior packed-piston (621) internal bore groove, axle seal ring (626) and form movable sealing by appointing between piston rod (611) cylindrical, cylinder is had by appointing bulge loop (191) by appointing piston cylinder (613) the other end, cylinder has cylinder by appointing cambered surface (959) by appointing bulge loop (191) exterior edge face, cylinder is by appointing between bulge loop (191) and described cylinder outer ring scrobicular ring (986) for rotary sliding coordinates, described has lower end cap outside thread (921) by appointing on lower seal end cap (119), by appointing lower seal end cap (119) inboard face to have cylinder to seal concave cone face (922), there is shock absorber lower end (632) by appointing lower seal end cap (119) outer end,
Described has upper cover outside thread (627) by appointing on upper end cover (620), there is cylinder to seal concave cone face (822) by appointing upper end cover (620) inboard face and by appointing screw (615), have shock absorber upper tip (622) by appointing upper end cover (620) outer end;
For screw threads for fastening coordinates between described lower end cap outside thread (921) and described cylinder outer ring internal thread (984), described cylinder seals close contact between concave cone face (922) by appointing cambered surface (959) and described cylinder; Described has an outer ring internal thread (884) and cylinder outer ring scrobicular ring (886) by appointing on cylinder outer ring (883), described has cylinder by appointing a bulge loop (617) by guide cylinder (612) one end, cylinder has cylinder by appointing cambered surface (859) by appointing bulge loop (617) outer end, and cylinder is by appointing between bulge loop (617) and described cylinder outer ring scrobicular ring (886) for rotary sliding coordinates; Described by appoint the endoporus cylindrical wall of guide cylinder (612) another perforate end with by between piston cylinder (613) cylindrical for being slidably matched; For screw threads for fastening coordinates between described upper cover outside thread (627) and described cylinder outer ring internal thread (884), described cylinder seals close contact between concave cone face (822) by appointing cambered surface (859) and described cylinder; External sealed piston (936) and form first between lower seal end cap (119) cushion cavity (111) by appointing, forms second and cushions cavity (112) between external sealed piston (936) and interior packed-piston (621);
Described by appointing piston cylinder (613) and described by appointing a guide cylinder (612) to be all overall employing tungsten alloy steel, the weight percent content of the constituent of tungsten alloy steel is: W (tungsten): 21 ~ 22%, Mo(molybdenum): 8 ~ 9%, Cu(copper): 7 ~ 8%, Ni(nickel): 6 ~ 7%, Zn(zinc): 4 ~ 5%, C(carbon): 1.3 ~ 1.5%, surplus is Fe(iron) and inevitable impurity; The weight percent content of described impurity is: Sn(tin) be less than 0.05%, Si(silicon) be less than 0.20%, Mn(manganese) be less than 0.25%, S(sulphur) be less than 0.0l0%, P(phosphorus) be less than 0.015%; The material Specifeca tion speeification of described tungsten alloy is: tensile strength is 390 ~ 392MPa;
Described interior packed-piston (621) and external sealed piston (936) are all overall employing zirconia ceramics; Described zirconia ceramics by with (zirconia) is base-material, be equipped with mineralizing agent MgO (magnesium oxide), (barium carbouate) and bonding clay form, and the weight percent content of its each component is : 92.2 ~ 92.8%; MgO:2 ~ 3%; : 2 ~ 3%; Bonding clay: 2.2 ~ 2.8%.
2. tungsten alloy according to claim 1 is equipped by appointing piston offshore field auxiliary power, it is characterized in that: described disc type sprocket motors (180) comprises motor housing (10), front cover (20), rear end cover (30), machine shaft (40), front stator (51), rear stator (52), rotor (50) and output sprocket (90), front cover (20) and rear end cover (30) are fixedly connected on motor housing (10) face, rear and front end respectively, front cover (20) inboard and rear end cover (30) inboard are all fixed with every magnetic aluminium sheet (23), front cover (20) is fixed with front stator (51) every magnetic aluminium sheet (23) inboard, rear end cover (30) is fixed with rear stator (52) every magnetic aluminium sheet (23) inboard, rotor (50) is fixed on machine shaft (40), rotor (50) is positioned between front stator (51) and rear stator (52) and there is air gap both sides, machine shaft (40) is supported on front cover (20) and rear end cover (30) by fore bearing (25) and rear bearing (35) respectively,
Front cover (20) inner plane and have front airtight current chamber (78) between magnetic aluminium sheet (23), the ante-chamber inlet pipe (17) on front airtight current chamber (78) and ante-chamber go out after pipe (18) passes through front cover (20) to be respectively external to supply and drain water system; Rear end cover (30) inner plane and have rear airtight current chamber (79) between magnetic aluminium sheet (23), the back cavity inlet pipe (37) on rear airtight current chamber (79) and back cavity go out after pipe (36) passes through rear end cover (30) to be respectively external to supply and drain water system;
Described predetermination (51) and described rear stator (52) formed by stator core (26) and armature winding (22), described rotor (50) is made up of rotor core (11) and permanent magnet (12), permanent magnet (12) is arranged between adjacent rotor iron core (11), and permanent magnet (12) is along the circumferential direction evenly inserted in rotor field spider (32); The radial outside of rotor core (11) and permanent magnet (12) is provided with the outer hub (13) of rotor, the outer hub (13) of rotor fastening rotor core (11) and permanent magnet (12), outer hub (13) outer surface of rotor is provided with Circular gratings sheet (86), and what the casing inner wall (19) of motor housing (10) is provided with hub (13) corresponding setting outer with described rotor has grating reading head (55);
Described rear end cover (30) is equipped with bearing bonnet (33), bearing bonnet (33) is fixed by screws on rear end cover (30), and bearing bonnet (33) the inner is stretched into the bonnet bearing hole (34) on rear end cover (30) and propped up rear bearing (35); Described front cover (20) is fixed with bending resistance component (80), bending resistance component (80) is fixed by screws on front cover (20), and component for adjusting ring (82) the inner on bending resistance component (80) is stretched into the Front Cover Bearing hole (24) on front cover (20) and propped up fore bearing (25); A no inner-ring bearing (60) is had between bending resistance component (80) outer end and output sprocket (90); The outer bearing of bending resistance component (80) props up and holds round (89) surface recombination and have a layer thickness for the tungsten alloy described in 0.8 to 0.9 millimeter.
3. tungsten alloy according to claim 1 is equipped by appointing piston offshore field auxiliary power, has the eccentric distance of 1845 to 1855 millimeters between the center line of described slide block pivot pin (177) and described rotating disk pivot pin (188).
CN201510298183.4A 2015-06-03 2015-06-03 Tungsten alloy union piston offshore oil well auxiliary power device Pending CN105003584A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520369A (en) * 1984-12-28 1996-05-28 Institut Francais Du Petrole Method and device for withdrawing an element fastened to a mobile installation from the influence of the movements of this installation
CN1628207A (en) * 2002-02-01 2005-06-15 哈利伯顿能源服务公司 Well system
CN101559396A (en) * 2009-05-15 2009-10-21 江苏大学 Triaxial vibration-decreasing/vibration-isolating platform of hammer crusher
CN201934077U (en) * 2010-12-30 2011-08-17 李骥 Special pumping unit for offshore oil field
CN202755949U (en) * 2012-06-25 2013-02-27 陕西秭汇电气有限公司 Cylinder-type wellhead pressure device
CN203394462U (en) * 2013-08-07 2014-01-15 广东石油化工学院 Structurally improved oil pumping unit for oil field
CN104467278A (en) * 2015-01-08 2015-03-25 张志雄 Chromium alloy disc triangular belt wheel motor
CN104485794A (en) * 2015-01-08 2015-04-01 张志雄 Disc type chain wheel zinc alloy motor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520369A (en) * 1984-12-28 1996-05-28 Institut Francais Du Petrole Method and device for withdrawing an element fastened to a mobile installation from the influence of the movements of this installation
CN1628207A (en) * 2002-02-01 2005-06-15 哈利伯顿能源服务公司 Well system
CN101559396A (en) * 2009-05-15 2009-10-21 江苏大学 Triaxial vibration-decreasing/vibration-isolating platform of hammer crusher
CN201934077U (en) * 2010-12-30 2011-08-17 李骥 Special pumping unit for offshore oil field
CN202755949U (en) * 2012-06-25 2013-02-27 陕西秭汇电气有限公司 Cylinder-type wellhead pressure device
CN203394462U (en) * 2013-08-07 2014-01-15 广东石油化工学院 Structurally improved oil pumping unit for oil field
CN104467278A (en) * 2015-01-08 2015-03-25 张志雄 Chromium alloy disc triangular belt wheel motor
CN104485794A (en) * 2015-01-08 2015-04-01 张志雄 Disc type chain wheel zinc alloy motor

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Application publication date: 20151028