CN106558946A - A kind of underground cylindrical linear motor variator and oil and gas production system - Google Patents
A kind of underground cylindrical linear motor variator and oil and gas production system Download PDFInfo
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- CN106558946A CN106558946A CN201510638915.XA CN201510638915A CN106558946A CN 106558946 A CN106558946 A CN 106558946A CN 201510638915 A CN201510638915 A CN 201510638915A CN 106558946 A CN106558946 A CN 106558946A
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Abstract
The invention discloses a kind of underground cylindrical linear motor variator and oil and gas production system, belong to oil-gas mining technical field.The underground cylindrical linear motor variator includes outer tube, active tooth bar, driven tooth bar, track bearing, bearing axle, driving gear, two driven gears and a gear shaft, the diameter with diameter greater than driven gear of driving gear；Active tooth bar is meshed with driving gear, and driven tooth bar is meshed with driven gear；The present invention is by active tooth bar is connected with the mover end of underground cylindrical linear motor, driven tooth bar is connected with the plunger of the down-hole pump housing, the power that active tooth bar is passed to by underground cylindrical linear motor can be increased after the transmission of gear train, so that underground cylindrical linear motor is not in the case where power is increased, increase the power output of down-hole cylindrical linear.
Description
Technical field
The present invention relates to oil-gas mining technical field, more particularly to a kind of underground cylindrical linear motor variator
And oil and gas production system.
Background technology
At present, underground cylindrical linear motor is widely used in oil and gas production system, and down-hole cylindrical shape is straight
The profile of line motor is cylinder, carries out oil extraction operation in can entering oil well below.
The underground part of oil and gas production system includes that the parts such as oil pipe and oil well pump, oil pipe and oil well pump are located at well
In the pit shaft of lower part, underground cylindrical linear motor is located in pit shaft, and underground cylindrical linear motor
Top is connected with oil pipe, and bottom is connected with the plunger head of oil well pump, is produced by underground cylindrical linear motor
Raw motor thrust drives the plunger upward and downward of oil well pump, and then oil is given rise to ground from down-hole, completes
Oil pumping process.
During the present invention is realized, inventor has found that prior art at least has problems with：
As underground cylindrical linear motor is arranged in pit shaft, so the diameter and length of the motor can be subject to
Limit, have impact on the output of the motor, and then limit the thrust size of the motor so that oil recovery work
It is affected.
The content of the invention
In order to solve problem of the prior art, a kind of down-hole cylindrical shape is on the one hand embodiments provided straight
Line motor transmission, the underground cylindrical linear motor variator include outer tube, active tooth bar, driven tooth
Bar, gear train, track bearing and bearing axle；
The gear train includes a driving gear, two driven gears and gear shaft, the driving gear position
In the middle of two driven gears, the driven gear is connected by the gear shaft with the driving gear
Connect and be arranged in the outer tube, the driven gear is rotated with the gear shaft with the driving gear, institute
State the diameter with diameter greater than the driven gear of driving gear；
The active tooth bar is meshed with the driving gear, and the driven tooth bar is mutually nibbled with the driven gear
Close；One end of the active tooth bar is connected with the mover end of underground cylindrical linear motor, the driven tooth
One end of bar is connected with the plunger of the down-hole pump housing, one end of the active tooth bar and the one of the driven tooth bar
End is relative；
The outer tube inner wall is provided with bearing track, and the active tooth bar is provided with multiple installations axis of an orbit
Hold the wheel bore and axis hole with the bearing axle, the driven tooth bar be provided with it is multiple install the track bearing and
The wheel bore and axis hole of the bearing axle；The track bearing is separately mounted to the active by the bearing axle
On tooth bar and the driven tooth bar, and slide on the bearing track.
Alternatively, the active tooth bar is divided into tooth bar recess and bearing convex portion, and the tooth bar recess is located at described
The centre of active tooth bar, the bearing convex portion are located at the both sides of the active tooth bar；
The tooth bar recess is provided with tooth bar, and the driving gear is meshed with the tooth bar of the tooth bar recess；
The bearing convex portion is provided with multiple wheel bore and axis hole for installing the track bearing and the bearing axle,
The track bearing is arranged on the bearing convex portion by the bearing axle.
Alternatively, the driven tooth bar is divided into tooth bar convex portion and axle bearing mount portion, and the tooth bar convex portion is located at institute
The both sides of driven tooth bar are stated, the axle bearing mount portion is located at the both sides of the driven tooth bar and is located at the tooth bar
The bottom of convex portion；
The tooth bar convex portion is provided with tooth bar, and the driven gear is meshed with the tooth bar of the tooth bar convex portion；
The axle bearing mount portion is provided with the wheel bore and axis hole for installing the track bearing and the bearing axle, institute
State track bearing to be arranged on the axle bearing mount portion by the bearing axle.
Alternatively, the underground cylindrical linear motor variator also includes two gear-bearings and two gears
Group bearing (ball) cover, the outer tube are provided with two installing holes,
The gear train bearing (ball) cover is separately mounted in the installing hole, and the gear train passes through the gear
Bearings are arranged in the gear-bearing end cap, and the gear train is with the gear shaft in the gear train
Rotate in bearing (ball) cover.
Alternatively, the installing hole is step square mounting hole.
Alternatively, one end of the active tooth bar is additionally provided with the first adpting flange, first adpting flange with
The mover end of the underground cylindrical linear motor is connected.
Alternatively, one end of the driven tooth bar is additionally provided with the second adpting flange, first adpting flange with
Second adpting flange is relative, and second adpting flange is connected with the plunger of the down-hole pump housing.
Alternatively, the diameter of the driving gear is 2 times of the diameter of the driven gear.
Alternatively, the gear train is located at the middle part in the outer tube.
Alternatively, the underground cylindrical linear motor variator also includes top connection and lower contact,
The top connection be located at the underground cylindrical linear motor variator top and with the down-hole cylinder
Shape linear electric motors are connected, the lower contact be located at the underground cylindrical linear motor variator bottom and
It is connected with the down-hole pump body phase.
On the other hand, a kind of oil and gas production system, the oil and gas production system bag are embodiments provided
Underground cylindrical linear motor, the down-hole pump housing and the underground cylindrical linear motor variator are included,
The underground cylindrical linear motor, the down-hole pump housing and the underground cylindrical linear motor speed change
Device is located in the pit shaft of the oil and gas production system,
The active tooth bar of the underground cylindrical linear motor variator and the underground cylindrical linear motor
Mover end is connected, the driven tooth bar of the underground cylindrical linear motor variator and the down-hole pump housing
Plunger is connected.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The underground cylindrical linear motor variator, by by active tooth bar and underground cylindrical linear motor
Mover end connects, and driven tooth bar is connected with the plunger of the down-hole pump housing, while the master in the middle of in-line gears group
Moving gear is engaged with active tooth bar, and the driven gear positioned at in-line gears group both sides is engaged with driven tooth bar, and two
Diameter of the diameter of the driven gear of side less than middle driving gear, can be by by down-hole cylinder-shape linear electricity
Machine is passed to the power of active tooth bar and is increased after the transmission of gear train so that linear electric motors are not increasing power
In the case of, increase the power output of down-hole cylindrical linear, while the movement velocity of driven tooth bar is reduced,
And then the jig frequency of the reduction down-hole pump housing, the abrasion of the down-hole pump housing is not only slow down, while improve the down-hole pump housing
Topping up efficiency.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to institute in embodiment description
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the front sectional view of the underground cylindrical linear motor variator that the embodiment of the present invention one is provided；
Fig. 2 is the left view sectional view of the underground cylindrical linear motor variator that the embodiment of the present invention one is provided；
Fig. 3 is the top view of the outer tube that the embodiment of the present invention one is provided；
Fig. 4 is the B-B direction sectional view of the active tooth bar that the embodiment of the present invention one is provided；
Fig. 5 is the B-B direction sectional view of the driven tooth bar that the embodiment of the present invention one is provided；
Fig. 6 is the structural representation of the outer tube that the embodiment of the present invention one is provided；
Fig. 7 is the structural representation of the gear train that the embodiment of the present invention one is provided；
Fig. 8 is the structural representation of the active tooth bar that the embodiment of the present invention one is provided；
Fig. 9 is the A-A of the active tooth bar that the embodiment of the present invention one is provided to sectional view；
Figure 10 is the top cross-sectional view of the underground cylindrical linear motor variator that the embodiment of the present invention one is provided；
Figure 11 is the structural representation of the driven tooth bar that the embodiment of the present invention one is provided；
Figure 12 is the A-A of the driven tooth bar that the embodiment of the present invention one is provided to sectional view.
Wherein,
1 outer tube, 11 clutch shaft bearing tracks, 12 second bearing tracks, 13 3rd bearing tracks, 14 the 4th axles
Support rail road, 15 first mounting grooves, 16 second mounting grooves, 17 installing holes,
2 active tooth bars, the wheel bore of 21 active tooth bars, the axis hole of 22 active tooth bars, 23 tooth bar recesses, 24
One bearing convex portion, 25 second bearing convex portions, 26 first adpting flanges,
3 driven tooth bars, the wheel bore of 31 driven tooth bars, the axis hole of 32 driven tooth bars, 33 first tooth bar convex portions,
34 second tooth bar convex portions, 35 grooves, 36 clutch shaft bearing installation portions, 37 second bearing installation portions, 38 second
Adpting flange,
4 gear trains, 41 driving gears, 42 driven gears, 421 first driven gears, 422 second driven tooths
Wheel, 43 gear shafts,
5 track bearings,
6 bearing axles,
7 gear train bearing (ball) covers,
8 gear-bearings,
9 top connections, 901 top connection flanges,
10 lower contacts, 101 lower contact flanges.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
Embodiment one
As shown in figure 1, and referring to Fig. 2, embodiments provide a kind of underground cylindrical linear motor and become
Fast device, underground cylindrical linear motor variator include outer tube 1, active tooth bar 2, driven tooth bar 3, gear
Group 4, track bearing 5 and bearing axle 6；
As shown in figure 1, and referring to Fig. 2, gear train 4 includes 41, two driven gears of a driving gear
42 and gear shaft 43, driving gear 41 is located in the middle of two driven gears 42, driven gear 42 with actively
Gear 41 is connected by gear shaft 43 and is arranged in outer tube 1, driven gear 42 and driving gear 41
Rotate with gear shaft 43, the diameter with diameter greater than driven gear 42 of driving gear 41；
As shown in Fig. 2 active tooth bar 2 is meshed with driving gear 41, driven tooth bar 3 and driven gear 42
It is meshed；One end of active tooth bar 2 is connected with the mover end of underground cylindrical linear motor, driven tooth bar 3
One end be connected with the plunger of the down-hole pump housing, one end of active tooth bar 2 is relative with one end of driven tooth bar 3；
As shown in figure 3,1 inwall of outer tube is provided with bearing track, as shown in figure 4, setting on active tooth bar 2
There are the wheel bore 21 and axis hole 22 of multiple attachment rail bearings 5 and bearing axle 6, as shown in figure 5, driven tooth bar
3 wheel bore 31 and axis hole 32 for being provided with multiple attachment rail bearings 5 and bearing axle 6；As shown in figure 1, and
Referring to Fig. 2 and Fig. 3, track bearing 5 is separately mounted to active tooth bar 2 and driven tooth bar 3 by bearing axle 6
On, and slide on bearing track.
Underground cylindrical linear motor variator in the present embodiment, by by active tooth bar 2 and down-hole cylinder
The mover end connection of shape linear electric motors, driven tooth bar 3 are connected with the plunger of the down-hole pump housing, while being located at coaxial
Driving gear 41 in the middle of gear train 4 is engaged with active tooth bar 2, positioned at the driven of 4 both sides of in-line gears group
Gear 42 is engaged with driven tooth bar 3, and the diameter of the driven gear 42 of both sides is less than middle driving gear 41
Diameter, can will be passed to by underground cylindrical linear motor active tooth bar 2 input power pass through gear train 4
Transmission after increase so that underground cylindrical linear motor in the case where power is not increased, increase down-hole circle
The power output of tubular linear motor, while reducing the movement velocity of driven tooth bar 3, and then reduces the down-hole pump housing
Jig frequency, not only slow down the abrasion of the down-hole pump housing, while improve the topping up efficiency of the down-hole pump housing.
Active tooth bar 2 and the down-hole cylindrical linear of the down-hole cylindrical linear variator of the present invention
Mover end be connected, as shown in figure 1, and referring to Fig. 2, active tooth bar 2 is meshed with driving gear 41,
Driving gear 41 and two driven gears 42 are in-line gears, and driving gear 41 is positioned at two driven gears 42
Between, two driven gears 42 are meshed with driven tooth bar 3, the plunger phase of driven tooth bar 3 and the down-hole pump housing
Connection；When underground cylindrical linear motor works, mover drives the active tooth bar 2 of down-hole cylindrical linear
Motion, active tooth bar 2 drive driving gear 41 to rotate, due to driving gear 41 and driven gear
42 is in-line gears, thus when driving gear 41 is rotated, driven gear 42 also can do corresponding turning therewith
Move and drive driven tooth bar 3 to move, then driven tooth bar 3 drives the plunger motion of the down-hole pump housing, completes to take out
Oily process；Active tooth bar 2 is provided with the wheel bore 21 and axis hole 22 of attachment rail bearing 5 and bearing axle 6, from
Carry-over bar 3 is provided with the wheel bore 31 and axis hole 32 of attachment rail bearing 5 and bearing axle 6, by bearing axle 6
Track bearing 5 is separately mounted on active tooth bar 2 and driven tooth bar 3, the inwall of outer tube 1 is provided with axle
Support rail road, when active tooth bar 2 and driven tooth bar 3 are moved, the rail on active tooth bar 2 and driven tooth bar 3
Road bearing 5 can be slided on bearing track.
Underground cylindrical linear motor passes to 2 one input powers of active tooth bar, and this is input into by active tooth bar 2
Power passes to driving gear 41, and the input power is changed into input torque by driving gear 41, and the input is turned round
Square passes to driven gear 42, when driven gear 42 drives driven tooth bar 3 to move, can turn the input torque
Change power output into and pass to driven tooth bar 3, due to the diameter with diameter greater than driven gear 42 of driving gear 41,
So power output can be more than input power, the power output of the increasing is passed to driven tooth bar 3 post of the down-hole pump housing
Plug, drives the plunger motion of the down-hole pump housing.
As shown in figure 3,1 inwall of outer tube is provided with four bearing tracks, respectively clutch shaft bearing track 11,
Second bearing track 12,3rd bearing track 13 and fourth bearing track 14, clutch shaft bearing track 11 and
Be provided with the first mounting groove 15 between two bearing tracks 12,3rd bearing track 13 and fourth bearing track 14 it
Between be provided with the second mounting groove 16, clutch shaft bearing track 11, the first mounting groove 15 and second bearing track 12
Position is corresponding with the position of 3rd bearing track 13, the second mounting groove 16 and fourth bearing track 14 respectively.
Wherein, the first mounting groove 15 is used to install active tooth bar 2, active tooth bar 2 can be positioned, first
Bearing track 11 and second bearing track 12 can make track bearing 5 on active tooth bar 2 thereon
Slide；Second mounting groove 16 is used to install driven tooth bar 3, driven tooth bar 3 can be positioned, the 3rd
Bearing track 13 and fourth bearing track 14 can make track bearing 5 on driven tooth bar 3 thereon
Slide.
Alternatively, as shown in fig. 6, and referring to Fig. 1, outer tube 1 is provided with two installing holes 17, two peaces
Two gear train bearing (ball) covers 7 are respectively mounted in dress hole 17, gear train 4 is supported by gear-bearing 8 and installed
In gear-bearing end cap 7, gear train 4 can be rotated in gear train bearing (ball) cover 7 with gear shaft 43.
By two installing holes 17 are arranged on outer tube 1, gear train 4 is passed through into gear-bearing 8 and gear train
Bearing (ball) cover 7 is arranged on installing hole 17, can make that gear train 4 is more stable to be supported and fixed in outer tube 1.
Alternatively, installing hole 17 is step square mounting hole 17.
Step square mounting hole 17 can be such that gear train bearing (ball) cover 7 more closely contacts with outer tube 1, more preferably
Gear train 4 is played a supporting role, installing hole 17 be alternatively other shapes, can be carried out according to practical situation
Select.
Alternatively, installing hole 17 is located at the middle part of outer tube 1, and correspondingly, gear train 4 is located at outer tube 1
Interior middle part.
As shown in fig. 7, and referring to Fig. 1, gear train 4 includes three gears, respectively driving gear 41,
First driven gear 421 and the second driven gear 422, driving gear 41 positioned at the first driven gear 421 with
Between second driven gear 422, the first driven gear 421 is identical with the diameter of the second driven gear 422,
Driving gear 41 with diameter greater than the first driven gear 421 and the diameter of the second driven gear 422.First from
Moving gear 421, driving gear 41 are connected by gear shaft 43 with the second driven gear 422, can be with tooth
Wheel shaft 43 is rotated, as shown in figure 1, and referring to Fig. 2, the gear train 4 is located in outer tube 1, wherein, it is main
Moving gear 41 is meshed with active tooth bar 2, the first driven gear 421 and the second driven gear 422 with it is driven
Tooth bar 3 is meshed.
Motor force is passed to active tooth bar 2 as input power by the mover of underground cylindrical linear motor, drives master
Carry-over bar 2 is moved, and active tooth bar 2 drives driving gear 41 to rotate, and input power is converted by driving gear 41
The first coaxial driven gear 421 and the second driven gear 422 is driven to rotate into input torque, first is driven
Input torque is changed into power output and passes to driven tooth bar 3 by gear 421 and the second driven gear 422, due to
Diameter of the diameter of the first driven gear 421 and the second driven gear 422 less than driving gear 41, so defeated
Exert oneself more than input power, meanwhile, because driving gear 41 and driven gear 42 are in-line gears actively
Gear 41 is identical with the angular velocity of the first driven gear 421 and the second driven gear 422, and the first driven tooth
Diameter of the diameter of wheel 421 and the second driven gear 422 less than driving gear 41, so the first driven gear
421 and second driven gear 422 linear velocity less than driving gear 41 linear velocity, so driven tooth bar 3
Movement velocity reduce so that the speed of the down-hole pump scapus plug being attached thereto is reduced, and reduces the down-hole pump housing
Jig frequency, the reduction of down-hole pump housing jig frequency not only can slow down the abrasion of the down-hole pump housing, while well can be improved
The topping up efficiency of lower pump body；The down-hole pump housing is reduced automatically can using the underground cylindrical linear motor variator
Jig frequency, the jig frequency that instead of using converter to reduce the down-hole pump housing, eliminate using converter reduce rush
The phenomenon of the down-hole cylindrical linear vibrations caused in secondary process so that underground cylindrical linear motor
Smoothly can run.
Alternatively, the diameter of driving gear 41 is the straight of the first driven gear 421 and the second driven gear 422
2 times of footpath.
Now, power output is 2 times of input power, driving gear 41, the first driven gear 421 and second from
The diameter of moving gear 422 can be selected according to practical situation.
Alternatively, as shown in figure 8, and referring to Fig. 4,2 points of active tooth bar is three regions, respectively tooth bar
Recess 23, clutch shaft bearing convex portion 24 and second bearing convex portion 25, tooth bar recess 23 are located at active tooth bar 2
Centre, clutch shaft bearing convex portion 24 and second bearing convex portion 25 are located at the both sides of active tooth bar 2；
As shown in figure 8, and referring to Fig. 4 and Figure 10,25 phase of clutch shaft bearing convex portion 24 and second bearing convex portion
Symmetrical for tooth bar recess 23, tooth bar recess 23 is provided with tooth bar, and the width of tooth bar recess 23 is more than
Or equal to the width of driving gear 41, as shown in Figure 10, the tooth of driving gear 41 and tooth bar recess 23
Bar is meshed, as shown in figure 4, and referring to Fig. 8, Fig. 9 and Figure 10, clutch shaft bearing convex portion 24 and the second axle
The wheel bore 21 and axis hole 22 that multiple attachment rail bearings 5 and bearing axle 6 are respectively equipped with convex portion 25 is held, such as
Shown in Figure 10, and referring to Fig. 8, multiple track bearings 5 are located at clutch shaft bearing convex portion 24 and second bearing respectively
In the wheel bore 21 of convex portion 25, multiple bearing axles 6 pass through the centre bore of multiple track bearings 5 and are located at respectively
In the axis hole 21 of clutch shaft bearing convex portion 24 and second bearing convex portion 25, as shown in Figure 10, clutch shaft bearing is convex
The plane that portion 24 and second bearing convex portion 25 are located and the first driven gear 421 and the second driven gear 422
Maximum cylindrical tangent plane between to reserve enough gaps, prevent track bearing 5 and the first driven gear 421
And second produce friction between driven gear 422, when the mover of underground cylindrical linear motor drives driving tooth
When bar 2 moves along a straight line, first axle support rail of the track bearing 5 on active tooth bar 2 along outer tube 1
12 line sliding of road 11 and second bearing track, meanwhile, the linear motion of active tooth bar 2 can drive therewith
The driving gear 41 being meshed is rotated, and the rotation of driving gear 41 will drive the first driven tooth being coaxial therewith
Wheel 421 and the second driven gear 422 are rotated.
By the tooth bar being meshed with driving gear 41 is arranged on active tooth bar 2, can be by down-hole cylindrical shape
The power of linear electric motors is delivered on driving gear 41, and power is changed into moment of torsion by driving gear 41, then
First driven gear 421 and the second driven gear 422 are delivered torque to by gear shaft 43；Such as Figure 10 institutes
Show, and referring to Fig. 3, clutch shaft bearing convex portion 24 and second bearing convex portion 25 are set on active tooth bar 2, the
The wheel of multiple attachment rail bearings 5 and bearing axle 6 is set in one bearing convex portion 24 and second bearing convex portion 25
Hole 21 and axis hole 22, multiple track bearings 5 can be symmetrically mounted on the left and right sides of active tooth bar 2, made
The mover of down-hole cylindrical linear is obtained when driving active tooth bar 2 to move, installed in clutch shaft bearing convex portion
24 and second bearing convex portion 25 track bearing 5 along outer tube 1 clutch shaft bearing track 11 and second bearing
12 line sliding of track, serves the effect of support to active tooth bar 2 so that when active tooth bar 2 is moved more
Plus it is steady.
Alternatively, as shown in figure 9, and referring to Fig. 8, the first adpting flange 26 is additionally provided with active tooth bar 2,
First adpting flange 26 is connected with the mover end of underground cylindrical linear motor.
The mover end of down-hole cylindrical linear and active tooth bar 2 are coupled together using adpting flange, even
Acting flange can be welded on active tooth bar 2, discretionary wiring method orchid, Er Qielian easy to use as connector
Acting flange can bear larger pressure, it is ensured that what down-hole cylindrical linear was more stable transmits the force to master
Carry-over bar 2.
Alternatively, as shown in figure 11, and referring to Fig. 5,3 points of driven tooth bar is three regions, respectively the
One tooth bar convex portion 33, the second tooth bar convex portion 34 and groove 35, groove 35 are located at the centre of driven tooth bar 3,
First tooth bar convex portion 33 and the second tooth bar convex portion 34 are located at the both sides of driven tooth bar 3, the first tooth bar convex portion 33
Clutch shaft bearing installation portion 36 and second bearing installation portion 37 are further respectively had with the bottom of the second tooth bar convex portion 34；
As shown in figure 11, and referring to Fig. 5 and Figure 10,34 phase of the first tooth bar convex portion 33 and the second tooth bar convex portion
It is symmetrical for groove 35, as shown in Figure 10, and referring to Fig. 5 and Figure 11,33 He of the first tooth bar convex portion
Second tooth bar convex portion 34 is provided with tooth bar, the tooth bar phase of the first driven gear 421 and the first tooth bar convex portion 33
Engagement, the second driven gear 422 are meshed with the tooth bar of the second tooth bar convex portion 34, and the width of groove 35 is big
In or equal to the width of driving gear 41, the plane that groove 35 is located is maximum with driving gear 41 cylindrical
Enough gaps to be reserved between tangent plane, prevents between driving gear 41 and groove 35, producing friction, such as Fig. 5
It is shown, and referring to Figure 12, be respectively equipped with clutch shaft bearing installation portion 36 and second bearing installation portion 37 multiple
The wheel bore 31 and axis hole 32 of attachment rail bearing 5 and bearing axle 6, multiple track bearings 5 are located at first respectively
In the wheel bore 31 of axle bearing mount portion 36 and second bearing installation portion 37, multiple bearing axles 6 pass through multiple tracks
The centre bore of bearing 5 and the axis hole 32 of clutch shaft bearing installation portion 36 and second bearing installation portion 37 is located at respectively
It is interior, when driving gear 41 is rotated, the first driven gear 421 and the second driven tooth being coaxial therewith can be driven
Wheel 422 is rotated, and the rotation of the first driven gear 421 and the second driven gear 422 can drive and be meshed therewith
Driven tooth bar 3 move along a straight line, driven tooth bar 3 drive the down-hole pump housing plunger move along a straight line, complete
Oil pumping process.
By arranging the driven tooth bar 3 being meshed with the first driven gear 421, the second driven gear 422, can
So that the torque on driven gear 42 to be changed into the power output for passing to driven tooth bar 3, due to the first driven tooth
Diameter of the diameter of wheel 421 and the second driven gear 422 less than driving gear 41, so passing to driven tooth
The power output of bar 3 can pass to the input power of active tooth bar 2 more than mover, can not increase down-hole cylinder
In the case of the power of type linear electric motors, increase the power output of underground cylindrical linear motor；Because driving tooth
Wheel 41 and the first driven gear 421 and the second driven gear 422 be in-line gears thus driving gear 41 and
First driven gear 421 is identical with the angular velocity of the second driven gear 422, and 421 He of the first driven gear
Diameter of the diameter of the second driven gear 422 less than driving gear 41, so the first driven gear 421 and the
Linear velocity of the linear velocity of two driven gears 422 less than driving gear 41, so the speed drop of driven tooth bar 3
It is low so that the speed of output to down-hole pump scapus plug is reduced, and is reduced the jig frequency of the down-hole pump housing, is improve well
The topping up efficiency of lower pump body；And use the underground cylindrical linear motor variator reduce automatically down-hole pump
The jig frequency of body, the jig frequency that instead of using converter to reduce the down-hole pump housing, eliminating is reduced using converter
The phenomenon of the down-hole cylindrical linear vibrations caused during jig frequency so that down-hole cylinder-shape linear electricity
Machine smoothly can run, as shown in Figure 10, and referring to Fig. 3, the clutch shaft bearing arranged on driven tooth bar 3
Installation portion 36 and second bearing installation portion 37 can install multiple track bearings 5 so that the first driven gear
421 and second driven gear 422 when driving driven tooth bar 3 to move along a straight line, installed in clutch shaft bearing installation portion
36 and second bearing installation portion 37 track bearing 5 along outer tube 1 3rd bearing track 13 and the 4th axle
14 line sliding of support rail road, serves the effect of support to driven tooth bar 3 so that when driven tooth bar 3 runs
It is more stable.
Alternatively, as shown in figure 12, and referring to Figure 11, on driven tooth bar 3, it is additionally provided with the second adpting flange
38, as shown in Fig. 2 the second adpting flange 38 is relative with the first adpting flange 26, the second adpting flange 38
It is connected with the plunger of the down-hole pump housing.
Plunger using adpting flange by driven tooth bar 3 with the down-hole pump housing is coupled together, and adpting flange can be welded
It is connected on driven tooth bar 3, discretionary wiring method is blue easy to use as connector, and adpting flange can holds
By larger pressure, it is ensured that the more stable plunger that power output is passed to the down-hole pump housing of driven tooth bar 3.
Alternatively, as shown in figure 1, and referring to Fig. 2, underground cylindrical linear motor variator also include above connect
9 and lower contact 10, top connection 9 is located at the top of underground cylindrical linear motor variator and is justified with down-hole
Tubular linear motor is connected, and lower contact 10 is located at the bottom of underground cylindrical linear motor variator and and well
Lower pump body is connected.
As shown in figure 1, one end of top connection 9 is provided with top connection flange 901, the other end is provided with female thread, on
One end of joint 9 is connected with the outer tube of down-hole cylindrical linear by top connection flange 901, another
End is connected with the top of the outer tube 1 of down-hole cylindrical linear variator by female thread；
As shown in figure 1, one end of lower contact 10 is provided with female thread, the other end is provided with lower contact flange 101,
One end of lower contact 10 is connected with the bottom of the outer tube 1 of down-hole cylindrical linear variator by female thread
Connect, the other end is connected with the outer tube of the down-hole pump housing by lower contact flange 101；
It is threaded by using top connection 9 and in top connection 9 and connects under top connection flange 901, use
10 and it is threaded in lower contact 10 and lower contact flange 101, can be by down-hole cylinder-shape linear electricity
It is more firm between machine, underground cylindrical linear motor variator and down-hole pump housing three to couple together, it is ensured that
Underground cylindrical linear motor, underground cylindrical linear motor variator and the down-hole pump housing can be with normal works.
Underground cylindrical linear motor variator in the present embodiment, by by active tooth bar 2 and down-hole cylinder
The mover end connection of shape linear electric motors, driven tooth bar 3 are connected with the plunger of the down-hole pump housing, while being located at coaxial
Driving gear 41 in the middle of gear train 4 is engaged with active tooth bar 2, positioned at the driven of 4 both sides of in-line gears group
Gear 42 is engaged with driven tooth bar 3, and the diameter of the driven gear 42 of both sides is less than middle driving gear 41
Diameter, the transmission of the power by gear of active tooth bar 2 can be passed to by underground cylindrical linear motor
After increase so that linear electric motors in the case where power is not increased, increase down-hole cylindrical linear it is defeated
Exert oneself, while reducing the movement velocity of driven tooth bar 3, and then reduce the jig frequency of the down-hole pump housing, not only slow down
The abrasion of the down-hole pump housing, while improve the topping up efficiency of the down-hole pump housing.
Embodiment two
A kind of oil and gas production system is embodiments provided, the oil and gas production system includes down-hole cylindrical shape
Linear electric motors, the down-hole pump housing and underground cylindrical linear motor variator,
Underground cylindrical linear motor, the down-hole pump housing and underground cylindrical linear motor variator are opened positioned at oil gas
In the pit shaft of extraction system,
The active tooth bar 2 of underground cylindrical linear motor variator and the mover end of underground cylindrical linear motor
It is connected, the driven tooth bar 3 of underground cylindrical linear motor variator is connected with the plunger of the down-hole pump housing.
Oil and gas production system in the present embodiment has used underground cylindrical linear motor variator, by by well
The active tooth bar 2 of lower cylindrical linear motor variator is connected with the mover end of underground cylindrical linear motor,
Driven tooth bar 3 is connected with the plunger of the down-hole pump housing, while the driving gear in the middle of in-line gears group 4
41 are engaged with active tooth bar 2, and the driven gear 42 positioned at 4 both sides of in-line gears group is engaged with driven tooth bar 3,
Diameter of the diameter of the driven gear 42 of both sides less than middle driving gear 41, can be by by down-hole cylinder
Shape linear electric motors are passed to the power of active tooth bar 2 and are increased after the transmission of gear so that linear electric motors are not
In the case of increasing power, increase the power output of down-hole cylindrical linear, while reducing driven tooth bar 3
Movement velocity, and then reduce the down-hole pump housing jig frequency, not only slow down the abrasion of the down-hole pump housing, while carrying
The high topping up efficiency of the down-hole pump housing.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Presently preferred embodiments of the present invention is the foregoing is only, it is not to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in the present invention's
Within protection domain.
Claims (11)
1. a kind of underground cylindrical linear motor variator, it is characterised in that the down-hole cylinder-shape linear electricity
Machine variator includes outer tube, active tooth bar, driven tooth bar, gear train, track bearing and bearing axle；
The gear train includes a driving gear, two driven gears and gear shaft, the driving gear position
In the middle of two driven gears, the driven gear is connected by the gear shaft with the driving gear
Connect and be arranged in the outer tube, the driven gear is rotated with the gear shaft with the driving gear, institute
State the diameter with diameter greater than the driven gear of driving gear；
The active tooth bar is meshed with the driving gear, and the driven tooth bar is mutually nibbled with the driven gear
Close；One end of the active tooth bar is connected with the mover end of underground cylindrical linear motor, the driven tooth
One end of bar is connected with the plunger of the down-hole pump housing, one end of the active tooth bar and the one of the driven tooth bar
End is relative；
The outer tube inner wall is provided with bearing track, and the active tooth bar is provided with multiple installations axis of an orbit
Hold the wheel bore and axis hole with the bearing axle, the driven tooth bar be provided with it is multiple install the track bearing and
The wheel bore and axis hole of the bearing axle；The track bearing is separately mounted to the active by the bearing axle
On tooth bar and the driven tooth bar, and slide on the bearing track.
2. underground cylindrical linear motor variator according to claim 1, it is characterised in that described
Active tooth bar is divided into tooth bar recess and bearing convex portion, and the tooth bar recess is located at the centre of the active tooth bar,
The bearing convex portion is located at the both sides of the active tooth bar；
The tooth bar recess is provided with tooth bar, and the driving gear is meshed with the tooth bar of the tooth bar recess；
The bearing convex portion is provided with multiple wheel bore and axis hole for installing the track bearing and the bearing axle,
The track bearing is arranged on the bearing convex portion by the bearing axle.
3. underground cylindrical linear motor variator according to claim 1, it is characterised in that described
Driven tooth bar is divided into tooth bar convex portion and axle bearing mount portion, and the tooth bar convex portion is located at the both sides of the driven tooth bar,
The axle bearing mount portion is located at the both sides and the bottom positioned at the tooth bar convex portion of the driven tooth bar；
The tooth bar convex portion is provided with tooth bar, and the driven gear is meshed with the tooth bar of the tooth bar convex portion；
The axle bearing mount portion is provided with the wheel bore and axis hole for installing the track bearing and the bearing axle, institute
State track bearing to be arranged on the axle bearing mount portion by the bearing axle.
4. underground cylindrical linear motor variator according to claim 1, it is characterised in that described
Underground cylindrical linear motor variator also includes two gear-bearings and two gear train bearing (ball) covers, described
Outer tube is provided with two installing holes,
The gear train bearing (ball) cover is separately mounted in the installing hole, and the gear train passes through the gear
Bearings are arranged in the gear-bearing end cap, and the gear train is with the gear shaft in the gear train
Rotate in bearing (ball) cover.
5. underground cylindrical linear motor variator according to claim 4, it is characterised in that described
Installing hole is step square mounting hole.
6. underground cylindrical linear motor variator according to claim 1, it is characterised in that described
One end of active tooth bar is additionally provided with the first adpting flange, and first adpting flange is straight with the down-hole cylindrical shape
The mover end of line motor is connected.
7. underground cylindrical linear motor variator according to claim 6, it is characterised in that described
One end of driven tooth bar is additionally provided with the second adpting flange, first adpting flange and second adpting flange
Relatively, second adpting flange is connected with the plunger of the down-hole pump housing.
8. underground cylindrical linear motor variator according to claim 1, it is characterised in that described
The diameter of driving gear is 2 times of the diameter of the driven gear.
9. underground cylindrical linear motor variator according to claim 1, it is characterised in that described
Gear train is located at the middle part in the outer tube.
10. underground cylindrical linear motor variator according to claim 1, it is characterised in that institute
Stating underground cylindrical linear motor variator also includes top connection and lower contact,
The top connection be located at the underground cylindrical linear motor variator top and with the down-hole cylinder
Shape linear electric motors are connected, the lower contact be located at the underground cylindrical linear motor variator bottom and
It is connected with the down-hole pump body phase.
11. a kind of oil and gas production systems, it is characterised in that the oil and gas production system includes down-hole cylindrical shape
Down-hole cylinder-shape linear electricity described in linear electric motors, the down-hole pump housing and claim 1-10 any one claim
Machine variator,
The underground cylindrical linear motor, the down-hole pump housing and the underground cylindrical linear motor speed change
Device is located in the pit shaft of the oil and gas production system,
The active tooth bar of the underground cylindrical linear motor variator and the underground cylindrical linear motor
Mover end is connected, the driven tooth bar of the underground cylindrical linear motor variator and the down-hole pump housing
Plunger is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510638915.XA CN106558946B (en) | 2015-09-29 | 2015-09-29 | A kind of underground cylindrical linear motor speed changer and oil and gas production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510638915.XA CN106558946B (en) | 2015-09-29 | 2015-09-29 | A kind of underground cylindrical linear motor speed changer and oil and gas production system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106558946A true CN106558946A (en) | 2017-04-05 |
| CN106558946B CN106558946B (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510638915.XA Active CN106558946B (en) | 2015-09-29 | 2015-09-29 | A kind of underground cylindrical linear motor speed changer and oil and gas production system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266186A1 (en) * | 2006-11-17 | 2009-10-29 | Sinopec Group, Shengli Petroleum Administration Transport Corporation | Ring Rack Oil Pumping Machine |
| CN102777152A (en) * | 2012-07-26 | 2012-11-14 | 南京航空航天大学 | Gear rack travelling oil extraction machine |
| CN104675368A (en) * | 2015-02-12 | 2015-06-03 | 大庆市华禹石油机械制造有限公司 | Linear driving oil pumping unit |
-
2015
- 2015-09-29 CN CN201510638915.XA patent/CN106558946B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266186A1 (en) * | 2006-11-17 | 2009-10-29 | Sinopec Group, Shengli Petroleum Administration Transport Corporation | Ring Rack Oil Pumping Machine |
| CN102777152A (en) * | 2012-07-26 | 2012-11-14 | 南京航空航天大学 | Gear rack travelling oil extraction machine |
| CN104675368A (en) * | 2015-02-12 | 2015-06-03 | 大庆市华禹石油机械制造有限公司 | Linear driving oil pumping unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106558946B (en) | 2018-11-16 |
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