CN109763793A - Elevator pumping unit - Google Patents
Elevator pumping unit Download PDFInfo
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- CN109763793A CN109763793A CN201711107516.6A CN201711107516A CN109763793A CN 109763793 A CN109763793 A CN 109763793A CN 201711107516 A CN201711107516 A CN 201711107516A CN 109763793 A CN109763793 A CN 109763793A
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- 238000005086 pumping Methods 0.000 title claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000003129 oil well Substances 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 21
- 239000003921 oil Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
A kind of elevator pumping unit, the pumping unit includes: bracket, big head sheave, traction mechanism, ballast box and sucker rod, the big head sheave is installed in the cradle top, for the traction mechanism around the big head sheave respectively with the sucker rod and described with reconnection, the sucker rod connects mouth of pumped oil well load；Peak load value and the average value of the sum of peak load value or close to the average value when sucker rod downlink when weight of the ballast box is the sucker rod uplink.The elevator pumping unit of the embodiment of the present invention has the technical effects such as simple structure, high-efficient, long stroke, low jig frequency, super-silent, no pollution.
Description
Technical field
The present embodiments relate to a kind of oil field oil exploration equipment, in particular to a kind of elevator pumping unit.
Background technique
Current oil winning apparatus is varied, is broadly divided into traditional beam pumping unit and without beam pumping unit.
Beam pumping unit structure is simple, and the short jig frequency of stroke is high, the meeting under a fixed displacement thus cause the components such as sucker rod, plunger, well head
Abrasion aggravation, but because caused by own mechanical structure can consumption high efficiency it is low, and suspending point loading cannot be too big, can not adapt to viscous crude, big
Discharge capacity well operating condition.
Without beam pumping unit, according to the difference such as balance mode, power type, driving medium, there are many different types of
Pumping unit overcomes the part drawback of beam-pumping unit, reduces the abrasion of oil well bar, pipe, pump.But due to its driving rope
Load weight is undertaken simultaneously, so production cost rapidly rises, and price is up to market when encountering load biggish operating condition
Unacceptable height, therefore this structure pumping unit only has certain market in medium and small load type, there is its limitation.
Anshan pumping unit, the plateau pumping unit to be commutated with mechanical chain structure is all used speed reducer to realize and promotes torsion
Square, its advantage is that solving the problems, such as the big load of pumping unit, but its common disadvantage is that structure is complicated, low efficiency, noise are big, pass
Dynamic component is more, and fault point is more, and maintenance time is long, influences oil well output, and needs to regularly replace a large amount of lubricating oil, is easy leakage
Cause environmental pollution.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of elevator pumping unit, to solve the above technical problems.
At least one embodiment according to the present invention provides a kind of elevator pumping unit, and the pumping unit includes: bracket,
Big head sheave, traction mechanism, ballast box and sucker rod install the big head sheave in the cradle top, the traction mechanism around
The big head sheave is crossed respectively with the sucker rod and described with reconnection, and the sucker rod connects mouth of pumped oil well load；It is described
When the weight of ballast box is the sucker rod uplink peak load value and when the sucker rod downlink the sum of peak load value it is flat
Mean value or close to the average value.
For example, the pumping unit further include: upper power part, lower power part, upper movable pulley and lower movable pulley, it is described
Upper movable pulley is mounted on the top of the ballast box, and the lower movable pulley is mounted on the lower section of the ballast box, the upper power
Component is fixed on the bracket after bypassing the upper movable pulley；The lower power part is fixed on after bypassing the lower movable pulley
On the bracket.
For example, the pumping unit further include: upper fixed pulley, lower fixed pulley, the upper fixed pulley are fixedly mounted on the branch
Top of the trellis, the lower fixed pulley are fixedly mounted on the frame bottom；Upper cunning is determined around described in one end of the upper power part
After wheel, then mutually to rewind to around being fixed on bracket after the upper movable pulley；One end of the lower power part is around described
After lower fixed pulley, then with mutually rewind to around after the lower movable pulley it is fixed on the bracket.
For example, the bracket includes top beam and bottom beam, one end of the upper power part is fixed under the set cap
Side；One end of the lower power part is fixed on above the bottom beam of the bracket.
For example, the pumping unit further includes reel, the upper power part and/or the lower power are wound on the reel
Component, the reel drive the folding and unfolding of the upper power part and the lower power part by rotating, described in driving
The up and down motion of ballast box.
For example, one end in the upper power part and lower power part is fixed on the reel.
For example, the reel can be done clockwise or counterclockwise, when the reel rotates clockwise, receive short described
Upper power part, and the lower power part that lengthens, to drive the ballast box to move upwards；When the reel rotates counterclockwise
When, the short lower power part, and the upper power part that lengthens are received, to drive moving downward for the ballast box.
For example, being provided with multiple grooves for being used to wind the dynamic ropes on the reel, the groove includes edge and volume
The annular groove or spiral groove that the vertical direction of cylinder axial direction extends in the reel outer surface.
For example, the groove include along first direction setting the first groove and in a second direction be arranged it is second recessed
Slot.
For example, the first direction extends along mandrel surface and is biased to first to the left relative to the direction perpendicular to spool shaft
Angle, the second direction extend along mandrel surface and are biased to second angle to the right relative to the direction perpendicular to spool shaft.
For example, the first angle and the second angle are within the scope of 0-10 degree.
For example, the first angle and the second angle are equal.
For example, the groove of the first direction is multiple groups, the groove of the second direction is multiple groups, includes in every group of groove
Multiple adjacent grooves.
For example, the groove interval of the groove of the multiple groups first direction and the multiple groups second direction is arranged.
For example, winding the upper power part on the groove of the first direction, wound on the groove of the second direction
The lower power part.
For example, the pumping unit further include: motor, reel described in the motor control is done described to be revolved clockwise or counterclockwise
Turn.
For example, the motor can main story and reversion, when the motor main story, control the reel and rotate clockwise；
When the motor reversal, controls the reel and do rotation counterclockwise.
For example, the pumping unit further include: control device, the control device are configured as controlling turning for the motor
It is dynamic.
For example, the pumping unit further include: brake apparatus, the brake apparatus, which controls the reel, to be slowed down or stop.
For example, the pumping unit further include: control switch, the control switch are arranged on the lateral column of the bracket, when
When the ballast box is raised or lowered to specific position, triggers the control switch and generate trigger signal, the control switch
The location information of the ballast box is fed back to the control device based on the trigger signal.
For example, the pumping unit further include: vibration absorber, for reducing vibration when pumping unit work.
For example, the damping device setting is at the dynamic ropes and the bracket link position.
For example, the damping device includes: at least one of spring, disc spring or rubber pad.
For example, the pumping unit further include: polished rod eye, the polished rod eye upper and lower ends be separately connected the traction mechanism with
And the sucker rod.
For example, the cradle top is provided with track, the big head sheave can be slided on the track of the cradle top,
To expose or be retracted into the rack body.
For example, the axis of the big head sheave is connected on the beam of the bracket in a manner of card pressure.
The elevator pumping unit of the embodiment of the present invention, is configured with the components such as pulley blocks and reel, solves most of oil pumping
Machine is not applied for the applying working conditions such as viscous crude, heavy load, the deep pumping of big pump.Simple with structure, high-efficient, long stroke, low jig frequency,
The technical effects such as super-silent, no pollution.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, making below by required in the description to embodiment
Attached drawing is briefly described.The accompanying drawings in the following description is only exemplary embodiment of the present invention.
Fig. 1 shows elevator Pumping Unit schematic diagram according to an embodiment of the present invention；
Fig. 2 shows reel structure schematic diagrames according to an embodiment of the present invention.
Fig. 3 shows the attachment structure schematic diagram with bracket of big head sheave according to an embodiment of the present invention.
Appended drawing reference
100 elevator pumping units
101 brackets
1011 top beams
1012 bottom beams
1013 lateral columns
1014 tracks
102 big head sheaves
1021 axis
103 traction mechanisms
104 ballast boxes
105 sucker rods
Power part on 106
107 lower power parts
Movable pulley on 108
109 lower movable pulleys
Fixed pulley on 110
111 lower fixed pulleys
112 reels
1121 grooves
113 motors
114 control devices
115 control switches
116 polished rod eyes
Specific embodiment
Hereinafter, by preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.Note that in the specification and drawings
In, there is substantially the same step and element to be denoted by the same reference numerals, and to the repetition solution of these steps and element
Releasing will be omitted.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained under the premise of being not necessarily to creative work, shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different
Component part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates that there are at least one.
Fig. 1 shows the structural schematic diagram of elevator pumping unit 100 according to an embodiment of the present invention.Referring to Fig. 1, elevator is taken out
Oil machine 100 includes: bracket 101, big head sheave 102, traction mechanism 103, ballast box 104 and sucker rod 105.
Bracket 101 is used to install and support all components of pumping unit 100.For example, bracket can have truss structure,
Truss ontology can be made by riveting or being spirally connected, truss ontology includes multiple beams and pillar.For example, with reference to Fig. 1, truss includes top
Beam 1011 and bottom beam 1012 further include the multiple lateral columns 1013 to play a supportive role.
Big head sheave 102 is mounted on the top of bracket 101, such as is mounted on top beam.Traction mechanism 103 is matched for lifting
Loaded van 104, traction mechanism 103 are connect with sucker rod 105 and ballast box 104 respectively around excessive head sheave 102.In addition, sucker rod
105 one end connection mouth of pumped oil well load, such as oil container, oil tool etc., the other end connects traction mechanism 103.It leads
Drawing mechanism 103 for example can be load rope, the components such as belt.
The weight of ballast box 104 can according to need and increase or decrease.For example, ballast box 104 can be sucker rod 105
The average value of peak load value and the sum of peak load value when 105 downlink of sucker rod, also can be close to average value when uplink.Work as pumping
When 105 uplink and downlink of beam hanger, uplink load is that 105 weight of sucker rod subtracts 104 weight of ballast box, and downlink load is counterweight
104 weight of case subtracts 105 weight of sucker rod, and the weight difference of uplink and downlink is of substantially equal.
An example according to the present invention, pumping unit 100 further include: upper power part 106, lower power part 107, upper dynamic
Pulley 108 and lower movable pulley 109.
Upper power part 106 and lower power part 107 are respectively used to pull ballast box 104 upward or downward.Therefore upper dynamic
104 top of one end connection ballast box of power component 106, one end of lower power part 107 is connected to 104 lower section of ballast box.It is upper dynamic
The other end of power component 106 can be fixed on bracket 101, such as be fixed on 1011 lower section of top beam of bracket 101.Lower power part
The other end of part 107 can be fixed on the top of the bottom beam 1012 of bracket 101.In this way, power part can match in pulling up and down
Held stationary during loaded van 104.An example according to the present invention, upper and lower power part for example can be by upper dynamic
Power rope and lower dynamic ropes are realized, can also be realized by using belt.
Can be laborsaving due to passing through sliding or pulley blocks, an example according to the present invention can be set on one
Movable pulley 108 is mounted on the top of ballast box 104, and one lower movable pulley 109 of setting is mounted on the lower section of ballast box 104, at this point,
Upper power part 106 is fixed on bracket 101 after can bypassing upper movable pulley 108.Lower power part 107 can also be around lower dynamic
It is fixed on after pulley 109 on bracket 101.Ballast box 104 is set to move up and down by lifting dynamic ropes 106,107, according to movable pulley
Laborsaving principle is organized, lifting force needed for pumping unit is only the half of load difference.The load of driving motor in pumping unit subtracts significantly
It is few, the technical problem using smaller power motor driven compared with high load working condition is realized, electric energy has been saved, improves making for motor
Use the service life.
An example according to the present invention, referring to Fig. 1, pumping unit 100 further include: upper fixed pulley 110, lower fixed pulley 111.
Upper fixed pulley 110 is fixedly mounted on 101 top of bracket, and lower fixed pulley 111 is fixedly mounted on 101 bottom of bracket.For example, upper determine cunning
Wheel 110 is fixedly mounted on the top beam 1011 at 101 top of bracket, and lower fixed pulley 111 is fixedly mounted on the bottom of 101 bottom of bracket
On beam 1012.At this point, after one end of upper power part 106 can bypass upper fixed pulley 110, then mutually to rewind to around upper dynamic cunning
It is fixed on bracket 101 after wheel 108.One end of lower power part 107 can around after lower fixed pulley 111, then with mutually rewind to
Around being fixed on bracket 101 after lower movable pulley 109.
An example according to the present invention, pumping unit further include reel 112, are used for winding wire ropes.For example, upper power part
One end in part 106 and lower power part 107 can be fixed on reel 112, thus upper power part 106 and lower power part
Part 107, which can consolidate, to be wrapped on reel 112.One or more can be set in reel 112.It is more when reel 112 has multiple
A reel 112 can wind power part 106 and lower power part 107 respectively.When reel is one, a reel 112
On can not only wind power part 106 but also wind lower power part 107.
Reel 112 can be rotated to two opposite directions, such as rotated clockwise and rotated counterclockwise.Reel 112 passes through
Rotation is to drive the folding and unfolding of upper power part 106 and lower power part 107, to drive the up and down motion of ballast box 104.Example
It such as,, can be with when reel rotates clockwise when winding upper power part 106 and lower power part 107 respectively on reel 112
Short upper power part 106 is received, and the lower power part 107 that lengthens, to drive ballast box 104 to move upwards.When reel 112 is counterclockwise
When rotation, short lower power part 107 can be received, and the upper power part 106 that lengthens, to drive moving downward for ballast box 104.
Fig. 2 shows reel structure schematic diagrames according to an embodiment of the present invention.Referring to fig. 2, it can be set on reel 112
There are multiple grooves 1121 for winding power rope.Groove 1121 can be along the direction vertical with the axial direction of reel 112
In the annular groove that reel outer surface extends.Referring to fig. 2, reel axial direction is left and right directions, the side vertical with axial direction
Xiang Zewei vertical direction.The direction of groove is then the annular groove extended along the vertical direction in reel outer surface.Certainly, groove
It can not be the annular of closure, but spiral shape increases the friction between dynamic ropes to be more firmly embedded in wirerope
Power.
In addition, an example according to the present invention, groove 1121 can also include diversified forms, and the extending direction of groove can
To be multiple directions.Such as in a reel, groove includes the first groove and in a second direction along first direction setting
The second groove being arranged.First direction and second direction can be different directions.For example, first direction is vertical along mandrel surface
In reel axially direction, second direction is to deviate to the left or to the right along mandrel surface relative to perpendicular to reel axially direction
The direction of certain angle.Further for example, first direction and second direction be not along the direction vertical with the axial direction of reel 112
In reel appearance towards extension, but it is all angled with the direction.For example, first direction is along mandrel surface relative to vertical
It is biased to first angle to the left in the direction of 112 axis of reel, second direction is along mandrel surface relative to the side perpendicular to 112 axis of reel
To being biased to second angle to the right.Optionally, first angle and second angle can be within the scope of 0-10 degree.Generally it can choose
Deviate 2-5 degree.An example according to the present invention, first angle and second angle can be different.Optionally, first angle and
Second angle can also be equal.Can according to the weight of wirerope, quantity, the parameters such as size make the recessed of different deviation angles
Slot.
In addition, an example according to the present invention, multiple groups groove is provided on a reel 112, is wrapped in every group of groove
Include multiple adjacent grooves.Every group of groove can for example be embedded in steel cable.For example, winding upper power on the groove of first direction
Component 106 winds lower power part 107 on the groove of second direction.In this way, multiple groups groove group can wind a plurality of upper power
Component 106 and a plurality of lower power part 107.Can be spaced apart between multiple groups groove, so at work, wirerope it
Between be independent of each other.When groove group has multiple directions, can have one or more groups of first directions groove group and one group or more
The groove group of group second direction.Optionally, the groove group of first direction and the groove group of second direction can be separately positioned on volume
The left and right sides of cylinder.Alternatively, can also be as shown in Figure 2, the groove group of first direction and the groove of second direction
Group, which can also be spaced apart, to be configured.
An example according to the present invention, pumping unit can also include motor 113, for controlling the clockwise of reel 112
Rotation or counterclockwise rotation.For example, motor 113 can be rotated forward and be rotated backward.When 113 main story of motor, can control
Reel 112 rotates clockwise；When motor 113 inverts, it can control reel 112 and do rotation counterclockwise.So as to control
The folding and unfolding of upper and lower power part, to control rising or falling for ballast box 104.With the raising and lowering of ballast box 104, oil pumping
Bar is with down or up, to realize that reciprocal reciprocating oil pumping acts.In embodiments of the present invention, motor 113 for example can be permanent magnetism
Formula motor or reluctance machine.
Slow down or stop in addition, motor 113 while controlling the rotation of reel 112, can also control reel 112.It can replace
Ground is changed, pumping unit also may include individual brake apparatus, slows down or stops controlling reel 112.For example, can be in motor
Deceleration device is set between 113 and reel 112, slows down or stops controlling reel 112.Deceleration device for example can be belt or
Chain etc..
In addition, an example according to the present invention, pumping unit can also include: control device 114, it is configured as control electricity
The rotation of machine 113.For example, control device 114 can control the revolving speed of motor 113, also can control the starting of motor, stop with
And commutation.Control device 114 for example can be a manual operation platform, control cabinet etc..An example according to the present invention, control
It is equipped with potentiometer and frequency converter inside device 114 processed, the change of current value is controlled by potentiometer, and the current value of change is defeated
Enter into frequency converter, frequency converter exports different frequencies to control and adjust the revolving speed of motor 113, so as to efficiently quasi- accordingly
Really adjust the jig frequency of pumping unit.In addition, control device 114 can also include limit switch, limit switch includes that upper limit is opened
Pass and lower position switch.By adjusting the distance between upper and lower limit switch, to adjust the stroke distance of pumping unit.
In addition, an example according to the present invention, pumping unit can also include control switch 115, as shown in Figure 1, control
Switch 115 can be set on the lateral column 1013 of bracket 101.Control switch 115 can have multiple, be separately positioned on lateral column
Different location.When ballast box 104 is raised or lowered to specific position, the control switch 115 can be triggered.For example, control is opened
Closing 115 can be mechanical arm switch, and ballast box 104 touches mechanical arm switch in process of rising or falling, so that triggering should
Control switch 115.After control switch 115 is triggered, control switch 115 will feed back ballast box 104 to control device 114
Location information.Certainly, control switch 115 can also be replaced by sensor or camera, be passed by photoelectric sensor, distance
Sensor or camera obtain the position of ballast box 104, can effectively control rising and falling for ballast box, find failure in time, guarantee
Pumping efficiency.
An example according to the present invention, pumping unit 100 can also include vibration absorber (not shown), for reducing
Vibration when pumping unit works.For example, damping device can be set in upper and lower power part 106,107 and 101 connection position of bracket
Set place.Damping device for example may include: at least one of spring, disc spring or rubber pad.
An example according to the present invention, pumping unit 100 can also include polished rod eye 116,116 upper and lower ends of polished rod eye
Traction mechanism 103 and sucker rod 105 can be separately connected.Below can according to the structure of the coupling part of sucker rod, if
Corresponding connecting component is set, carrys out connecting with pumping rod 105 in oil pumping.
Fig. 3 shows the attachment structure schematic diagram with bracket of big head sheave according to an embodiment of the present invention.Referring to Fig. 3, branch
Track 1014 can be set at the top of frame 101, big head sheave 102 can be slided on the track 1014.When operating, big head sheave
102 can slide into rail flanges by sliding rail so that a part of big head sheave 102 is exposed outside bracket 101, so as into
Enter working condition, such as state shown in Fig. 1.After oil extraction operation, big head sheave 102 can be slided into track by sliding rail
Side, to be retracted into 101 ontology of bracket.In addition, the both ends of sliding rail can be equipped with limiting component, big head sheave 102 can be prevented
Skid off track.The rail structure controls the position of big head sheave in which can be convenient, it is ensured that the whole machine balancing of entire bracket 101 guarantees
The safety of engineering.
Referring to Fig. 3, axis 1021 is equipped among big head sheave 102, it, can will be big when big head sheave 102 slides into operating position
The axis 1021 of head sheave 102 is fixed on a beam of bracket 101.In order to ensure the stability of coupling part, axis 1021 can be with
Card pressure mode is connected on the beam of bracket 101.It is of course also possible to use other dismountable connection types such as be spirally connected.
Pumping unit provided in an embodiment of the present invention has " punching since distance transportable above and below sucker rod is longer
Journey is long " the characteristics of.In addition, big turn round can be achieved in motor of the invention under extremely low revolving speed when underground liquid measure is fewer
Square output, realizes the effect of " jig frequency is low ".Further, since the weight of the ballast box of pumping unit of the invention can be according to load
Value is adjusted, and enhances the balanced ratio of counterweight.In addition, the embodiment of the present invention, which uses in reel, is embedded in construction of wire rope, it can
To be embedded in a plurality of wirerope as needed, working efficiency is significantly higher than existing pinion and-rack and belt-type mechanism.
Various repair is carried out to the present invention it should be appreciated by those skilled in the art that can be dependent on design requirement and other factors
Change, combine, partially combining and replacing, as long as they are in the range of the appended claims and its equivalent.
Claims (26)
1. a kind of elevator pumping unit, the pumping unit include: bracket, big head sheave, traction mechanism, ballast box and sucker rod,
The big head sheave is installed in the cradle top, the traction mechanism around the big head sheave respectively with the sucker rod with
And the ballast box connection, the sucker rod connect mouth of pumped oil well load；
Peak load value and peak load value when the sucker rod downlink when weight of the ballast box is the sucker rod uplink
The sum of average value or close to the average value.
2. pumping unit according to claim 1, wherein the pumping unit further include: upper power part, lower power part,
Upper movable pulley and lower movable pulley,
The upper movable pulley is mounted on the top of the ballast box, and the lower movable pulley is mounted on the lower section of the ballast box,
The upper power part is fixed on the bracket after bypassing the upper movable pulley；
The lower power part is fixed on the bracket after bypassing the lower movable pulley.
3. pumping unit according to claim 2, wherein the pumping unit further include: upper fixed pulley, lower fixed pulley,
The upper fixed pulley is fixedly mounted on the cradle top, and the lower fixed pulley is fixedly mounted on the frame bottom；
After one end of the upper power part bypasses the upper fixed pulley, then mutually to rewind to around fixed after the upper movable pulley
On bracket；
After one end of the lower power part bypasses the lower fixed pulley, then mutually to rewind to around fixed after the lower movable pulley
On the bracket.
4. pumping unit according to claim 2, wherein the bracket includes top beam and bottom beam,
One end of the upper power part is fixed below the set cap；
One end of the lower power part is fixed on above the bottom beam of the bracket.
5. pumping unit according to claim 2, wherein the pumping unit further includes reel,
The upper power part and/or the lower power part are wound on the reel, the reel is by rotating to drive
The folding and unfolding of power part and the lower power part is stated, to drive the up and down motion of the ballast box.
6. pumping unit according to claim 5, wherein one end in the upper power part and lower power part is fixed
On the reel.
7. pumping unit according to claim 6, wherein the reel can be done clockwise or counterclockwise,
When the reel rotates clockwise, the short upper power part, and the lower power part that lengthens are received, described in driving
Ballast box moves upwards；
When the reel rotates counterclockwise, the short lower power part, and the upper power part that lengthens are received, described in driving
Ballast box moves downward.
8. pumping unit according to claim 5, wherein be provided on the reel multiple for winding the dynamic ropes
Groove, the groove include the annular groove or spiral shell extended along the direction vertical with reel axial direction in the reel outer surface
Revolve connected in star.
9. pumping unit according to claim 8, wherein the groove include along first direction setting the first groove and
The second groove being arranged in a second direction.
10. pumping unit according to claim 9, wherein the first direction extends along mandrel surface and relative to vertical
It is biased to first angle to the left in the direction of spool shaft, the second direction extends along mandrel surface and relative to perpendicular to spool shaft
Direction be biased to second angle to the right.
11. pumping unit according to claim 10, wherein the first angle and the second angle are in 0-10 degree model
In enclosing.
12. pumping unit according to claim 11, wherein the first angle and the second angle are equal.
13. pumping unit according to claim 9, wherein the groove of the first direction is multiple groups, the second direction
Groove is multiple groups, includes multiple adjacent grooves in every group of groove.
14. pumping unit according to claim 13, wherein the groove of the multiple groups first direction and the multiple groups second party
To groove interval be arranged.
15. pumping unit according to claim 9, wherein the upper power part is wound on the groove of the first direction,
The lower power part is wound on the groove of the second direction.
16. pumping unit according to claim 7, wherein the pumping unit further include: motor, described in the motor control
Reel do it is described clockwise or counterclockwise.
17. pumping unit according to claim 16, wherein the motor can main story and reversion,
When the motor main story, controls the reel and rotate clockwise；
When the motor reversal, controls the reel and do rotation counterclockwise.
18. pumping unit according to claim 16, wherein the pumping unit further include: control device, the control device
It is configured as controlling the rotation of the motor.
19. winding type pumping unit according to claim 5, the pumping unit further include: brake apparatus, the brake apparatus control
The reel slows down or stops.
20. pumping unit according to claim 18, wherein the pumping unit further include: control switch, the control switch
It is arranged on the lateral column of the bracket, when the ballast box is raised or lowered to specific position, triggers the control switch simultaneously
Trigger signal is generated, the control switch is believed based on the trigger signal to the position that the control device feeds back the ballast box
Breath.
21. winding type pumping unit according to claim 2, the pumping unit further include: vibration absorber, for reducing the oil pumping
Vibration when machine works.
22. winding type pumping unit according to claim 21, the damping device is arranged in the power part and the bracket
At link position.
23. winding type pumping unit according to claim 22, the damping device include: in spring, disc spring or rubber pad extremely
Few one kind.
24. pumping unit according to claim 1, wherein the pumping unit further include: polished rod eye,
The polished rod eye upper and lower ends are separately connected the traction mechanism and the sucker rod.
25. pumping unit according to claim 1, wherein the cradle top is provided with track, and the big head sheave can be
It is slided on the track of the cradle top, in the ontology to expose or be retracted into the bracket.
26. pumping unit according to claim 25, wherein the axis of the big head sheave is connected to the bracket in a manner of card pressure
Beam on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107516.6A CN109763793A (en) | 2017-11-10 | 2017-11-10 | Elevator pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107516.6A CN109763793A (en) | 2017-11-10 | 2017-11-10 | Elevator pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN109763793A true CN109763793A (en) | 2019-05-17 |
Family
ID=66450073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711107516.6A Pending CN109763793A (en) | 2017-11-10 | 2017-11-10 | Elevator pumping unit |
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| Country | Link |
|---|---|
| CN (1) | CN109763793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802999A (en) * | 2021-11-16 | 2021-12-17 | 智慧猫(东营)智能科技有限公司 | Rolling and releasing synchronous type oil pumping machine hair braid lifting and replacing equipment |
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| CN113802999A (en) * | 2021-11-16 | 2021-12-17 | 智慧猫(东营)智能科技有限公司 | Rolling and releasing synchronous type oil pumping machine hair braid lifting and replacing equipment |
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Application publication date: 20190517 |