CN107387407A - The ground of screw rod oil extraction pump is without rod-type direct driving device - Google Patents
The ground of screw rod oil extraction pump is without rod-type direct driving device Download PDFInfo
- Publication number
- CN107387407A CN107387407A CN201710872043.2A CN201710872043A CN107387407A CN 107387407 A CN107387407 A CN 107387407A CN 201710872043 A CN201710872043 A CN 201710872043A CN 107387407 A CN107387407 A CN 107387407A
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- Prior art keywords
- lifting
- axle
- disk
- spline
- mandrel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0084—Brakes, braking assemblies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of ground of screw rod oil extraction pump without rod-type direct driving device, it is the drive splines axle that the hollow shaft inner chamber bottom for the low-speed permanent-magnet motor for being fixedly mounted with bearing housing downwards is connected to extend downwardly from by inner spline housing, downwardly vertical spline short axle of the slide fit circumferential clocking of turbine connection with carrying spline housing of drive splines axle, bearing housing passes through the equipped carrying spline housing of bearing, carry spline housing and drive transmission optical axis by seal box and well head, by bayonet joint connection underground oil pumping beam hanger rotary operation；It is reversed in during shutdown within egulation rotating speed; slowly discharged by electromagnetic brake; brake block is opened by the centrifugal pan in high speed reverse rotation centrifugal mechanism more than setting speed limit, makes locking jacket synchronous with sliding sleeve disk; drive the lifting mandrel rotation of circumferential slide fit connection drive splines axle downwards; lifted in lifting mandrel rotation by upper and lower cam body; positioning wedged block closes, drive splines axle is instantaneously separated with spline short axle when giving rise to top dead centre, discharges sucker rod.With energy-conservation again it is safe the advantages of.
Description
Technical field
The present invention relates to a kind of oil recovery pump drive, is directly driven without rod-type more particularly to a kind of ground of screw rod oil extraction pump
Device.
Background technology
The function of drive device：It is that the power source on ground is passed to subsurface progressive cavity rotation by sucker rod to recover the oil,
The moment of torsion that certain energy is transmitted in rotation makes down-hole pump normal operation.If shutting down for some reason, due to releasing for sucker rod rotary internal memory stress
Put and tubing string in liquid rapid decline caused by pressure can promote screw pump reverse rotation（Form the working condition of drilling tool）, such as block
The well that pump even has there is also high speed reverse rotation.Surface drive control circuit failure, anti-reverse mechanism is unreliable, present situation
Drive device occurs driving, flies belt wheel, beam hanger dropout, and direct driving device can get rid of curved polished rod, get rid of the accidents such as winged clamp（Drive device
Hurt sb.'s feelings and happened occasionally in each oil field）.
The content of the invention
Present invention aims to overcome that the drawbacks described above of prior art, there is provided it is a kind of save again safety ground it is straight without rod-type
Driving device.
To achieve the above object, the ground of screw rod oil extraction pump of the present invention includes dynamic with electromagnetic brake without rod-type direct driving device
Power source magneto, splined shaft, high speed reverse rotation centrifugal mechanism, lifting mechanism and sliding sleeve disk and bearing housing；It is fixedly mounted with bearing housing downwards
Low-speed permanent-magnet motor the hollow shaft inner chamber bottom drive splines axle that is connected to extend downwardly from by inner spline housing, drive splines
Downwardly vertical spline short axle of the slide fit circumferential clocking of turbine connection with carrying spline housing of axle, bearing housing pass through the equipped carrying spline of bearing
Set, carrying spline housing drive transmission optical axis to be made by seal box and well head by bayonet joint connection underground oil pumping beam hanger rotation
Industry；When shutting down, due to the release of underground moment of torsion, motor reversal development is occurred, be reversed within egulation rotating speed, stopped by electromagnetism
Car slowly discharges, and opens brake block by the centrifugal pan in high speed reverse rotation centrifugal mechanism more than setting speed limit, makes locking jacket and cunning
Cover plate is synchronous, the lifting mandrel rotation of circumferential slide fit connection drive splines axle downwards is driven, by convex up and down in lifting mandrel rotation
Wheel body lifts, and positioning wedged block closes, drive splines axle is instantaneously separated with spline short axle when giving rise to top dead centre, and motor is without anti-
Turn, sucker rod discharges in downhole safety；When motor restarts, push driving lever handle open, open brake block make lifting mandrel and
Drive splines axle glides and closed with spline short axle automatically, can in-cycle work.It is preferred that when shutting down, due to the release of underground moment of torsion,
Motor reversal development is occurred, invert within 180r/min, slowly discharged by electromagnetic brake, more than 180r/min by a high speed
Centrifugal pan in reversing device opens brake block.
Problem of the present invention is because the type of belt drive of the surface drive of present situation hides above-mentioned hidden danger in the hiding, to change
Become current present situation, make equipment safe for operation, human users trust, prevent personal injury, realize " security civilization " production.This Shen
Company project technical staff ask someone by multi-party investigation, designs and has invented polished rod type direct driving device of the present invention.Through probationary certificate：Should
Plant running is steady, and overload torque is big, safe noiseless, and more than 25% is up to without impact, power saving rate to power network.Revolutionize
Type of belt drive originally, realize gearless, belt pulley, square catch less, without polished rod connect.Low speed and reverse electromagnetic brake, at a high speed
Reversion is automatically separated release, is a kind of novel direct drive device for " saving " again " safety ".With energy-conservation again it is safe the advantages of.
As optimization, it is the hollow of high speed reverse rotation centrifugal mechanism that the centrifugal pan in high speed reverse rotation centrifugal mechanism, which opens brake block,
The centrifugal pan that axle is matched somebody with somebody opens brake block, brake block is pinned locking outer under the action of the centrifugal force when rotating speed exceedes setting speed limit
Set and sliding sleeve disk, realize that locking jacket is synchronous with sliding sleeve disk, and lifting mandrel rotation, the lifting mandrel in rotation are driven by sliding sleeve disk
Vertically cam body lifts, and while positioning wedged block closure prevents lifting mandrel from falling when giving rise to top dead centre, spends transmission
Key axle separates with lifting mandrel lifting to during top dead centre with spline short axle.
When motor restarts, pushing driving lever handle open makes positioning wedged block with lifting mandrel from point, and opening brake block makes lock
Tight overcoat separates release sliding sleeve disk with sliding sleeve disk and lifts mandrel, makes lifting mandrel and drive splines axle automatic under self gravitation
Glide and closed with spline short axle, you can turn back on operation.
As optimization, the body lower end of magneto is fixedly mounted with downwards bearing housing, and bearing housing passes through the equipped carrying of loading bearing
Spline housing, carrying spline housing are equipped with the internal spline short axle engaged with drive splines axle, are equipped with transmission optical axis downwards upwards；Bearing housing
Well head is fixedly mounted with downwards, and transmission optical axis is passed down through well head, is driven between optical axis and well head and configures seal box, transmission optical axis lower end is matched somebody with somebody
Put bayonet joint.
As optimization, the lower surface of magneto body is connected downwards the penetrating upper orchid for receiving frame by the firm part of standard
Disk, the penetrating lower blue disk for receiving frame are connected downwards the top orchid disk of bearing housing by the firm part of standard, and the casing of bearing housing makes downwards
There is at least one pair of periphery with bottom orchid disk to erect branch wall, bottom orchid disk is connected downwards well head.
As optimization, penetrating frame of receiving is that blue disk system is connected with the perpendicular branch wall at least one pair of periphery, bearing housing periphery system up and down
There is at least one pair of to extend laterally, picked up the ears with horizontal earhole.
As optimization, stretch out upwards with upper gap inner sleeve in the middle part of hollow shaft inner chamber, receive carrying for drive splines axle downwards
Rise mandrel；The blue disk inner circumferential of body upper end annular of magneto is blue by the equipped hollow shaft stretched out upwards of bearing, upper end annular
Disk is formed with or equipped with high speed reverse rotation centrifugal mechanism machine box and lifting mechanism machine box upwards successively；In high speed reverse rotation centrifugal mechanism machine box
The centrifugal pan driven when only being inverted by hollow shaft is configured with, and is built-in with offside when centrifugal pan reversely rotates and exceedes setting speed limit
The brake block stirred, and be built-in with hollow shaft upper end set connect locking jacket and lifting the vertical slide fit of mandrel upper periphery it is circumferentially same
Walk configuration sliding sleeve disk, brake block it is described it is offside stir it is lower will or locking jacket is linked together with sliding sleeve disk, make synchronously
Circumferential movement.Offside to stir lower locking jacket and sliding sleeve disk link together be brake block by locking jacket to brake block described
Linked together with sliding sleeve disk, brake block offside stirs that lower locking jacket and sliding sleeve disk or will be made to link together is system described
Motion block driving locking jacket makes locking jacket be directly linked together with sliding sleeve disk.
As optimization, high speed reverse rotation centrifugal mechanism machine box periphery wall side opening is projected with the reset operation of connection manipulation brake block
Handle, centrifugal pan are configured with the centrifugation fork that brake block is stretched out, promoted when it reversely rotates at a high speed.
As optimization, upper and lower cam body, the lifting mandrel top stretched into lifting mechanism machine box built in lifting mechanism machine box
Periphery is formed with to be hinged with the spiral of upper and lower cam body threaded engagement to guide channel or guide protrusion, lifting mechanism machine box upper surface
A pair of positioning wedged blocks for being connected with driving lever handle, lifting mandrel can stretch out the upper end of lifting mechanism machine box upper surface in lifting
It is formed with the circumferential groove in its end portion coordinated with positioning wedged block.
As optimization, lifting mechanism machine box is further formed with downwards or equipped with top box cap, top box cap is formed with to be stretched upwards
The center base gone out, center base put adjustment axle by internal thread snap fit, and adjustment axle is configured to lower support of buffering and lifts mandrel upper end
Elastomer.
As optimization, the elastomer is that solid helical spring is prolonged in adjustment axle lower end.The helical spring be interior periphery according to
Secondary two sets be set with side by side or more than two sets of more sets.The interior bottom of the barrel-shaped bottom cap of the connected upper shed in more set helical spring lower ends, on
Be open the internal perisporium and more set helical springs and the cooperation of adjustment axle lower end periphery gap of barrel-shaped bottom cap.
The composition of drive device of the present invention；Power source magneto, connection splined shaft, high speed reverse rotation centrifugal braking mechanism,
Lifting mechanism, telophragma, seal box, loading bearing case, well head, control cabinet composition.Motor takes split type with bearing housing
Connect, annular space ventilation, the temperature for avoiding bearing housing is transmitted to motor, is advantageous to motor ventilation radiating.Magneto top is equipped with act
Rise mechanism assembly, reverse torque low speed slowly discharges by electromagnetic brake, when speed reversal is more than 180r/min drive splines axle and
Spline short axle is automatically separated, and bearing housing has selected pressure difference from heavy garden cone thrust roller bearing, load up to 20T, seal box
Combined mechanical sealing, piston boit compress rotatory sealing body using the pressure 0.4-0.75Mpa of underground, and pressure more high sealing is more
Tightly, operating 100r/min realizes sealing leak zero dimension shield, and seal failure rate is more than 28 months.Well head is connected pressure with big four
Up to 2000PSi, switch board has selected current more advanced electronic component, and there is crawl, startup, reversion delay etc. to control, voltage,
Electric current, power, rotating speed, moment of torsion etc. show there is overload, overheat safety protection function.
The operation principle of drive device of the present invention：Employ the low speed of vertical big torque involute inner spline axis connection transmission
Magneto, drive splines axle is connected to by motor internal spline set, splined shaft lower end is connected to spline short axle and carrying spline
Set, it is fitted into bearing housing in heavy garden cone thrust roller bearing, drives transmission optical axis to be connect by seal box and well head, by plug-in type
Head connection underground sucker rod rotary operation.When shutting down, due to the release of underground moment of torsion, motor is set reversal development occur,
Invert within 180r/min, slowly discharged by electromagnetic brake, opened more than 180r/min by the centrifugal pan in high speed reverse rotation mechanism
Brake block locking jacket is synchronous with sliding sleeve disk, drives lifting mandrel rotation, is lifted by upper and lower cam body, positioning wedged block closure, is made
Drive splines axle instantaneously separates with spline short axle, and motor discharges without reversion, sucker rod in downhole safety, when motor restarts
When, push driving lever handle open, open brake block and glide automatically closure, can in-cycle work.
Direct driving device of the present invention has the characteristics that：1st, have that one-time investment is few, floor space is small.2nd, solves electricity
Machine biases, and makes driving center of gravity and the same axis of well head.3rd, used suitable for housing-group or resident residential area, noiseless is pollution-free.4、
Brake system is reliable, and installation exercise is simple, and operation is easy to maintenance.5th, polished rod and square clamp are eliminated, saves investment（It is a set of
About 2000 yuan or so of polished rod and square clamp, the whole nation there are about up to ten thousand mouthfuls of wells and run）Social benefit is obvious.6th, vertical permanent magnet is employed
Big torque, the low speed servo motor of interior involute spline axis connection transmission.The motor operation is stable, and overload torque is big.7th, to electricity
Net is up to more than 25% without impact, power saving rate.8th, polished rod is eliminated, novel in appearance is compact-sized, easy to operate, safe for operation.
9th, the instantaneous disengaging of shutdown is realized（Torque axis and drive device）, function that underground sucker rod moment of torsion discharges automatically.10th, avoid
Because of the reversion driving that brake failure occurs, pumping rod disengaging, get rid of bar and the hidden danger such as hurt sb.'s feelings.The novel driving device is most
Big feature：" safety, energy-conservation ".
After adopting the above technical scheme, the ground of screw rod oil extraction pump of the present invention has energy-conservation safety again without rod-type direct driving device
The advantages of.
Brief description of the drawings
Fig. 1 is structural representation of the ground of screw rod oil extraction pump without rod-type direct driving device of the present invention.
Embodiment
As illustrated, the ground of screw rod oil extraction pump of the present invention includes the power source with electromagnetic brake forever without rod-type direct driving device
Magneto 9, splined shaft, high speed reverse rotation centrifugal mechanism, lifting mechanism and sliding sleeve disk 7 and bearing housing 14；It is fixedly mounted with bearing housing 14 downwards
Low-speed permanent-magnet motor 9 the inner chamber bottom of the hollow shaft 80 drive splines axle 11 that is connected to extend downwardly from by its inner spline housing,
Downwardly vertical spline short axle 12 of the slide fit circumferential clocking of turbine connection with carrying spline housing 13 of drive splines axle 11, bearing housing 14 pass through axle
Equipped carrying spline housing 13 is held, carrying spline housing 13 drives transmission optical axis 15 to be connect by seal box 16 and well head 17 by plug-in type
First 18 connection underground oil pumping beam hanger rotary operation；When shutting down, due to the release of underground moment of torsion, motor 9 is set reversal development occur,
It is reversed within egulation rotating speed, is slowly discharged by electromagnetic brake, more than setting speed limit by the centrifugation in high speed reverse rotation centrifugal mechanism
Disk 6 opens brake block 8, makes locking jacket 5 synchronous with sliding sleeve disk 7, drives carrying for downward circumferential slide fit connection drive splines axle 11
Rise mandrel 10 to rotate, lifting mandrel 10 is lifted in rotating by upper and lower cam body 4, and positioning wedged block 3 is closed, made when giving rise to top dead centre
Drive splines axle 11 instantaneously separates with spline short axle 12, and motor discharges without reversion, sucker rod in downhole safety；When motor opens again
When dynamic, driving lever handle is pushed open, opening brake block makes lifting mandrel 10 and drive splines axle 11 glide and be closed with spline short axle 12 automatically
Close, can in-cycle work.It is preferred that when shutting down, due to the release of underground moment of torsion, motor 9 reversal development is occurred, invert
Within 180r/min, slowly discharged by electromagnetic brake, braking is opened by the centrifugal pan 6 in high speed reverse rotation mechanism more than 180r/min
Block 8.
Problem of the present invention is because the type of belt drive of the surface drive of present situation hides above-mentioned hidden danger in the hiding, to change
Become current present situation, make equipment safe for operation, human users trust, prevent personal injury, realize " security civilization " production.This Shen
Company project technical staff ask someone by multi-party investigation, designs and has invented polished rod type direct driving device of the present invention.Through probationary certificate：Should
Plant running is steady, and overload torque is big, safe noiseless, and more than 25% is up to without impact, power saving rate to power network.Revolutionize
Type of belt drive originally, realize gearless, belt pulley, square catch less, without polished rod connect.Low speed and reverse electromagnetic brake, at a high speed
Reversion is automatically separated release, is a kind of novel direct drive device for " saving " again " safety ".With energy-conservation again it is safe the advantages of.
It is the hollow of high speed reverse rotation centrifugal mechanism that centrifugal pan 6 specifically in high speed reverse rotation centrifugal mechanism, which opens brake block 8,
The centrifugal pan 6 that axle is matched somebody with somebody opens brake block 8, brake block 8 is pinned locking under the action of the centrifugal force when rotating speed exceedes setting speed limit
Overcoat 5 and sliding sleeve disk 7, realize that locking jacket 5 is synchronous with sliding sleeve disk 7, drive lifting mandrel 10 to rotate by sliding sleeve disk 7, in rotation
Lifting mandrel 10 vertically cam body 4 lifts, when giving rise to top dead centre positioning wedged block 3 closure prevents lifting mandrel 10 from falling
While, drive splines axle 11 is separated with the lifting lifting of mandrel 10 with spline short axle 12 to during top dead centre.
When motor 9 restarts, pushing driving lever handle 2 open makes positioning wedged block 3, from point, open brake block with lifting mandrel 10
8 make locking jacket 5 separate release sliding sleeve disk 7 and lifting mandrel 10 with sliding sleeve disk 7, lifting mandrel 10 and drive splines axle 11 is existed
Automatic glide closes with spline short axle 12 under self gravitation, you can turns back on operation.
The body lower end of specifically magneto 9 is fixedly mounted with downwards bearing housing 14, and bearing housing 14 is held by the way that loading bearing is equipped
Carry spline housing 13, the equipped internal spline short axle 12 engaged with drive splines axle 11, the downwards equipped transmission upwards of carrying spline housing 13
Optical axis 15；Bearing housing 14 is fixedly mounted with downwards well head 17, and transmission optical axis 15 is passed down through well head 17, is driven between optical axis 15 and well head 17
Configure seal box 16, the configuration bayonet joint 18 of transmission optical axis 15 lower end.The lower surface of the body of magneto 9 is firm by standard
Part is connected downwards the penetrating upper blue disk for receiving frame 20, and the penetrating lower blue disk for receiving frame 20 is connected downwards bearing by the firm part of standard
The top orchid disk of case 14, the casing of bearing housing 14 are formed with downwards at least one pair of periphery with bottom orchid disk and erect branch wall 19, and bottom orchid disk is downward
Be connected well head.Penetrating frame 20 of receiving is that blue disk system is connected with the perpendicular branch wall 19 at least one pair of periphery up and down, and 14 external week of bearing housing is formed with
At least one pair of extends laterally, picks up the ears 21 with horizontal earhole.
Specifically stretch out upwards with upper gap inner sleeve in the middle part of the inner chamber of hollow shaft 80, receive carrying for drive splines axle 11 downwards
Rise mandrel 10；The blue disk inner circumferential of body upper end annular of magneto 9 passes through the equipped hollow shaft 80 stretched out upwards of bearing, top ring
Shape orchid disk is formed with or equipped with high speed reverse rotation centrifugal mechanism machine box and lifting mechanism machine box upwards successively；High speed reverse rotation centrifugal mechanism machine
The centrifugal pan 6 driven when only being inverted by hollow shaft 80 is configured with box, and is built-in with to reversely rotate in centrifugal pan 6 and exceedes setting limit
The offside brake block 8 stirred when fast, and be built-in with the locking jacket 5 of the upper end of hollow shaft 80 set company and be built-in with lifting mandrel 10
The sliding sleeve disk 7 of portion periphery vertical slide fit circumferential clocking of turbine configuration, brake block 8 it is described it is offside stir it is lower will or make locking jacket 5 with
Sliding sleeve disk 7 links together, and makees synchronous circumferential movement.Locking jacket lower is connected by brake block in offside stir with sliding sleeve disk
That brake block links together locking jacket and sliding sleeve disk together, brake block it is described it is offside stir it is lower will or make outside locking
It is that brake block driving locking jacket makes locking jacket be directly linked together with sliding sleeve disk that set links together with sliding sleeve disk.At a high speed
Reversing centrifugal mechanism machine box periphery wall side opening is projected with the reset lever of connection manipulation brake block 8, and centrifugal pan 6 is configured with it
The centrifugation fork of brake block 8 is stretched out, promoted when reversely rotating at a high speed.
Cam body 4 above and below built in lifting mechanism machine box, the upper periphery system of lifting mandrel 10 stretched into lifting mechanism machine box
Have and be hinged with a pair to guide channel or guide protrusion, lifting mechanism machine box upper surface with the spiral of the upper and lower threaded engagement of cam body 4
The positioning wedged block 3 of driving lever handle 2 is connected with, lifting mandrel 10 can stretch out the upper end of lifting mechanism machine box upper surface in lifting
It is formed with the circumferential groove in its end portion coordinated with positioning wedged block 3.Lifting mechanism machine box is further formed with downwards or equipped with top box cap, top box
Cap is formed with the center base stretched out upwards, and center base puts adjustment axle 1 by internal thread snap fit, and adjustment axle 1 is configured under buffering
Elastomer to lifting mandrel 10 upper end.The elastomer is that solid helical spring is prolonged in adjustment axle lower end.The helical spring is
Two sets or more than two sets of more sets that interior periphery is set with side by side successively.The barrel-shaped bottom cap of the connected upper shed in more set helical spring lower ends
Interior bottom, the internal perisporium of the barrel-shaped bottom cap of upper shed coordinate with more set helical springs and adjustment axle lower end periphery gap.
The composition of drive device of the present invention；Power source magneto, connection splined shaft, high speed reverse rotation centrifugal braking mechanism,
Lifting mechanism, telophragma, seal box, loading bearing case, well head, control cabinet composition.Motor takes split type with bearing housing
Connect, annular space ventilation, the temperature for avoiding bearing housing is transmitted to motor, is advantageous to motor ventilation radiating.Magneto top is equipped with act
Mechanism assembly is risen, reverse torque low speed is slowly discharged by electromagnetic brake, drive splines axle 11 when speed reversal is more than 180r/min
It is automatically separated with spline short axle 12, bearing housing is selected from heavy garden cone thrust roller bearing, load up to 20T, seal box
Pressure difference combined mechanical sealing, piston boit compress rotatory sealing body using the pressure 0.4-0.75Mpa of underground, and pressure gets over high sealing
Tighter, operating 100r/min realizes sealing leak zero dimension shield, and seal failure rate is more than 28 months.Well head is connected pressure with big four
Power reaches 2000PSi, and switch board has selected current more advanced electronic component, has the controls such as crawl, startup, reversion delay, electricity
Pressure, electric current, power, rotating speed, moment of torsion etc. show there is overload, overheat safety protection function.
The operation principle of drive device of the present invention：Employ the low speed of vertical big torque involute inner spline axis connection transmission
Magneto 9, drive splines axle 11 is connected to by motor internal spline set, splined shaft lower end is connected to spline short axle 12 and carrying
Spline housing 13, it is fitted into bearing housing 14 in heavy garden cone thrust roller bearing, drives transmission optical axis 15 to pass through seal box 16 and well
Mouthfuls 17, underground sucker rod rotary operation is connected by bayonet joint 18.When shutting down, due to the release of underground moment of torsion, make driving
There is reversal development in motor, inverts within 180r/min, is slowly discharged by electromagnetic brake, more than 180r/min by high speed reverse rotation machine
The opening locking jacket 5 of brake block 8 of centrifugal pan 6 in structure is synchronous with sliding sleeve disk 7, drives lifting mandrel 10 to rotate, by upper lower cam
Body 4 lifts, and positioning wedged block 3 closes, and drive splines axle 11 is instantaneously separated with spline short axle 12, and motor exists without reversion, sucker rod
Downhole safety discharges, and when motor restarts, pushes driving lever handle 2 open, opens the downslide closure automatically of brake block 8, can start shooting work
Industry.
Direct driving device of the present invention has the characteristics that：1st, have that one-time investment is few, floor space is small.2nd, solves electricity
Machine biases, and makes driving center of gravity and the same axis of well head.3rd, used suitable for housing-group or resident residential area, noiseless is pollution-free.4、
Brake system is reliable, and installation exercise is simple, and operation is easy to maintenance.5th, polished rod and square clamp are eliminated, saves investment（It is a set of
About 2000 yuan or so of polished rod and square clamp, the whole nation there are about up to ten thousand mouthfuls of wells and run）Social benefit is obvious.6th, vertical permanent magnet is employed
Big torque, the low speed servo motor of interior involute spline axis connection transmission.The motor operation is stable, and overload torque is big.7th, to electricity
Net is up to more than 25% without impact, power saving rate.8th, polished rod is eliminated, novel in appearance is compact-sized, easy to operate, safe for operation.
9th, the instantaneous disengaging of shutdown is realized（Torque axis and drive device）, function that underground sucker rod moment of torsion discharges automatically.10th, avoid
Because of the reversion driving that brake failure occurs, pumping rod disengaging, get rid of bar and the hidden danger such as hurt sb.'s feelings.The novel driving device is most
Big feature：" safety, energy-conservation ".
After adopting the above technical scheme, the ground of screw rod oil extraction pump of the present invention has energy-conservation safety again without rod-type direct driving device
The advantages of.
Claims (10)
1. a kind of ground of screw rod oil extraction pump is without rod-type direct driving device, it is characterised in that including the power source permanent magnetism with electromagnetic brake
Motor, splined shaft, high speed reverse rotation centrifugal mechanism, lifting mechanism and sliding sleeve disk and bearing housing；It is fixedly mounted with the low speed of bearing housing forever downwards
The drive splines axle that the hollow shaft inner chamber bottom of magneto is connected to extend downwardly from by inner spline housing, drive splines are axially lower perpendicular
To spline short axle of the slide fit circumferential clocking of turbine connection with carrying spline housing, bearing housing passes through the equipped carrying spline housing of bearing, carrying flower
Key set drives transmission optical axis by seal box and well head, by bayonet joint connection underground oil pumping beam hanger rotary operation；Work as shutdown
When, due to the release of underground moment of torsion, motor reversal development is occurred, be reversed within egulation rotating speed, slowly released by electromagnetic brake
Put, brake block opened by the centrifugal pan in high speed reverse rotation centrifugal mechanism more than setting speed limit, makes locking jacket synchronous with sliding sleeve disk,
The lifting mandrel rotation of circumferential slide fit connection drive splines axle downwards is driven, is lifted in lifting mandrel rotation by upper and lower cam body,
Positioning wedged block closes, drive splines axle is instantaneously separated with spline short axle when giving rise to top dead centre, and motor exists without reversion, sucker rod
Downhole safety discharges；When motor restarts, driving lever handle is pushed open, opening brake block makes lifting mandrel and drive splines axle certainly
Dynamic glide closes with spline short axle, can in-cycle work.
2. device according to claim 1, it is characterised in that the centrifugal pan in high speed reverse rotation centrifugal mechanism, which opens brake block, is
The centrifugal pan that the hollow shaft of high speed reverse rotation centrifugal mechanism is matched somebody with somebody opens braking under the action of the centrifugal force when rotating speed exceedes setting speed limit
Block, brake block is pinned locking jacket and sliding sleeve disk, realize that locking jacket is synchronous with sliding sleeve disk, lifting mandrel is driven by sliding sleeve disk
Rotation, vertically cam body lifts the lifting mandrel in rotation, and positioning wedged block closure makes lifting mandrel not when giving rise to top dead centre
While falling, drive splines axle is set to be separated with lifting mandrel lifting to during top dead centre with spline short axle；
When motor restarts, pushing driving lever handle open makes positioning wedged block with lifting mandrel from point, and opening brake block makes outside locking
Set separates release sliding sleeve disk with sliding sleeve disk and lifts mandrel, lifting mandrel and drive splines axle is glided automatically under self gravitation
Closed with spline short axle, you can turn back on operation.
3. device according to claim 1, it is characterised in that the body lower end of magneto is fixedly mounted with downwards bearing housing, bearing housing
By the equipped carrying spline housing of loading bearing, carrying spline housing upwards the equipped internal spline short axle engaged with drive splines axle, to
Lower equipped transmission optical axis；Bearing housing is fixedly mounted with downwards well head, and transmission optical axis is passed down through well head, is driven between optical axis and well head and configures
Seal box, the configuration bayonet joint of transmission optical axis lower end.
4. device according to claim 3, it is characterised in that the lower surface of magneto body is downward by the firm part of standard
Be connected the penetrating upper blue disk for receiving frame, the penetrating lower blue disk for receiving frame be connected downwards by the firm part of standard bearing housing top it is blue
Disk, the casing of bearing housing are formed with downwards at least one pair of periphery with bottom orchid disk and erect branch wall, and bottom orchid disk is connected downwards well head.
5. device according to claim 4, it is characterised in that penetrating frame of receiving is that blue disk system is connected with least one pair of periphery up and down
Perpendicular branch wall, bearing housing periphery is formed with least one pair of and extends laterally, picked up the ears with horizontal earhole.
6. according to any described devices of claim 1-5, it is characterised in that in the middle part of hollow shaft inner chamber and upper gap inner sleeve is upward
Stretch out, the downward lifting mandrel for receiving drive splines axle；The body upper end blue disk inner circumferential of annular of magneto is equipped with by bearing
The hollow shaft stretched out upwards, the upper end blue disk of annular are formed with or equipped with high speed reverse rotation centrifugal mechanism machine box and lifting mechanism upwards successively
Machine box；The centrifugal pan driven when only being inverted by hollow shaft is configured with high speed reverse rotation centrifugal mechanism machine box, and is built-in with and is centrifuging
Disk reversely rotates the offside brake block stirred when exceeding setting speed limit, and is built-in with the locking jacket of hollow shaft upper end set company and carries
Rise the sliding sleeve disk of mandrel upper periphery vertical slide fit circumferential clocking of turbine configuration, brake block lower will or make outside locking in offside stir
Set links together with sliding sleeve disk, makees synchronous circumferential movement.
7. device according to claim 6, it is characterised in that high speed reverse rotation centrifugal mechanism machine box periphery wall side opening is projected with company
The reset lever of manipulation brake block is connect, centrifugal pan is configured with the centrifugation that brake block is stretched out, promoted when it reversely rotates at a high speed
Fork.
8. device according to claim 6, it is characterised in that cam body above and below built in lifting mechanism machine box, stretch into lifting mechanism
Lifting mandrel upper periphery in machine box is formed with the spiral of upper and lower cam body threaded engagement to guide channel or guide protrusion, is lifted
Mechanism machine box upper surface is hinged with a pair of positioning wedged blocks for being connected with driving lever handle, and lifting mandrel can stretch out lifting in lifting
The upper end of mechanism machine box upper surface is formed with the circumferential groove in its end portion coordinated with positioning wedged block.
9. device according to claim 7, it is characterised in that lifting mechanism machine box is further formed with downwards or equipped with top box
Cap, top box cap are formed with the center base stretched out upwards, and center base puts adjustment axle by internal thread snap fit, and adjustment axle is configured to
The lower elastomer for supporting lifting mandrel upper end of buffering.
10. device according to claim 9, it is characterised in that the elastomer is that solid helical spring is prolonged in adjustment axle lower end,
The helical spring is two sets or more than two sets of more sets that interior periphery is set with side by side successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710872043.2A CN107387407A (en) | 2017-09-25 | 2017-09-25 | The ground of screw rod oil extraction pump is without rod-type direct driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710872043.2A CN107387407A (en) | 2017-09-25 | 2017-09-25 | The ground of screw rod oil extraction pump is without rod-type direct driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107387407A true CN107387407A (en) | 2017-11-24 |
Family
ID=60351010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710872043.2A Pending CN107387407A (en) | 2017-09-25 | 2017-09-25 | The ground of screw rod oil extraction pump is without rod-type direct driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107387407A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233610A (en) * | 2018-02-13 | 2018-06-29 | 安徽明腾永磁机电设备有限公司 | Vertical direct-drive permanent-magnet synchronous motor |
| CN109366522A (en) * | 2018-11-13 | 2019-02-22 | 国机智能(苏州)有限公司 | A kind of method that joint of robot avoids normal danger starting |
| CN109915362A (en) * | 2019-02-28 | 2019-06-21 | 中国石油天然气股份有限公司 | No-joystick hydraulic braking direct-drive device |
| CN111993463A (en) * | 2020-07-10 | 2020-11-27 | 武汉海默机器人有限公司 | Pin type brake of robot and control method thereof |
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| CN205013283U (en) * | 2015-09-30 | 2016-02-03 | 耐驰（兰州）泵业有限公司 | Magnetic force actuation single -screw pump |
| CN205100895U (en) * | 2015-11-19 | 2016-03-23 | 中国石油天然气股份有限公司 | Screw pump polished rod clutch reverse releasing device |
| CN106837795A (en) * | 2017-03-30 | 2017-06-13 | 张文川 | It is anti-reverse to be automatically separated the straight drive system of oil-extracting screw pump |
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| GB2310254A (en) * | 1996-02-17 | 1997-08-20 | Ledingham Chalmers Trustee Com | Pump with lobed rotors and sealing rods in recesses. |
| CN202628511U (en) * | 2012-06-16 | 2012-12-26 | 中国石油天然气集团公司 | Double-inversion-prevention screw pump driving device |
| CN205013283U (en) * | 2015-09-30 | 2016-02-03 | 耐驰（兰州）泵业有限公司 | Magnetic force actuation single -screw pump |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233610A (en) * | 2018-02-13 | 2018-06-29 | 安徽明腾永磁机电设备有限公司 | Vertical direct-drive permanent-magnet synchronous motor |
| CN109366522A (en) * | 2018-11-13 | 2019-02-22 | 国机智能(苏州)有限公司 | A kind of method that joint of robot avoids normal danger starting |
| CN109915362A (en) * | 2019-02-28 | 2019-06-21 | 中国石油天然气股份有限公司 | No-joystick hydraulic braking direct-drive device |
| CN111993463A (en) * | 2020-07-10 | 2020-11-27 | 武汉海默机器人有限公司 | Pin type brake of robot and control method thereof |
| CN111993463B (en) * | 2020-07-10 | 2023-10-13 | 武汉海默机器人有限公司 | Pin type brake of robot and control method thereof |
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Application publication date: 20171124 |