CN209083266U - Multi-stage cylinder pumping unit - Google Patents
Multi-stage cylinder pumping unit Download PDFInfo
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- CN209083266U CN209083266U CN201821658913.2U CN201821658913U CN209083266U CN 209083266 U CN209083266 U CN 209083266U CN 201821658913 U CN201821658913 U CN 201821658913U CN 209083266 U CN209083266 U CN 209083266U
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Abstract
The utility model relates to pumping unit technical fields, are a kind of Multi-stage cylinder pumping unit, including cabinet, sucker rod and wirerope, at least one set of hydraulic lift is equipped in cabinet；It is equipped with balance weight assembly in hydraulic lift, the main hydraulic cylinder that balance weight assembly can be made to realize lifting movement up and down is fixedly installed in hydraulic lift；The top surface center of cabinet is equipped with can be with the commutation hole of connection in its cabinet, and the top surface of the cabinet of corresponding commutation hole left location is equipped with commutation component, is equipped with wirerope on the component that commutates.The utility model reasonable and compact in structure, is skillfully constructed, and reduces its reciprocating speed by the way that multiple hydraulic cylinders are arranged, oil cylinder is worn and to reduce length of oil cylinder easy to process to mitigate；Upper lifting seat is set by lifting seat under being arranged in cabinet and in lower lifting seat, to reduce its installation footprint；By be arranged adjustable counter balance, convenient for accurately adjusting the balance between sucker rod and balance weight assembly, have the characteristics that conveniently, safely with it is quick.
Description
Technical field
The utility model relates to pumping unit technical fields, are a kind of Multi-stage cylinder pumping units.
Background technique
Existing hydraulic oil pumping unit in use, usually drives hydraulic oil pump rotation by motor, and by hydraulic oil
Pump is pumped into after the hydraulic oil of hydraulic oil container is sucked out to reversal valve, and hydraulic oil is transported to oil cylinder again by reversal valve, to realize oil
Cylinder moves back and forth, and therefore, the power of oil cylinder is transferred to sucker rod by wirerope, realizes that sucker rod moves up and down.However,
Existing common hydraulic oil pumping unit is all made of single cylinder oil cylinder, since single cylinder length of oil cylinder length is not only not easy to process, Er Qie
It is unfavorable for being mounted on fixed frame when use, in addition to this, using the pumping unit of single cylinder oil cylinder, since reciprocating speed is big, can makes
The problem of at oil cylinder increased wear.
Existing hydraulic oil pumping unit in use, usually drives hydraulic oil pump rotation by motor, and by hydraulic oil
Pump is pumped into after the hydraulic oil of hydraulic oil container is sucked out to reversal valve, and hydraulic oil is transported to oil cylinder again by reversal valve, to realize oil
Cylinder moves back and forth, and therefore, the power of oil cylinder is transferred to sucker rod by wirerope, realizes that sucker rod moves up and down.However,
Existing common hydraulic oil pumping unit is all made of single cylinder oil cylinder, since single cylinder length of oil cylinder is long, is not only not easy to process, Er Qie
It is all inconvenient to install and repair when use, in addition to this, will cause using the pumping unit of single cylinder oil cylinder since reciprocating speed is big
The problem of oil cylinder increased wear.
Summary of the invention
The utility model provides a kind of Multi-stage cylinder pumping unit, overcomes the defects of the prior art, and can effectively solve
Certainly existing single cylinder pumping unit is not easy to be processed, installation, replacement and maintenance and the fast problem of the oil cylinder rate of wear.
The technical solution of the utility model is realized by following measures: a kind of Multi-stage cylinder pumping unit include cabinet,
Wirerope and at least one lifting seat being from top to bottom superimposed, cabinet is interior to be equipped with balance weight assembly, the top surface center of cabinet
Top surface equipped with the cabinet that with the commutation hole of connection in its cabinet, can correspond to commutation hole left location is equipped with commutation component, changes
Wirerope is installed on component, in the shape of falling Qian that Open Side Down, the left part lower end of wirerope can be fixed wirerope with sucker rod
It is installed together, the right part lower end of wirerope passes through commutation Kong Houyu balance weight assembly upper-center and is fixedly installed togather；It is all
Lifting seat is respectively positioned below balance weight assembly, is fixedly installed with the lifting seat that can make to be located above between every two groups of adjacent lifting seats
Realize the secondary hydraulic cylinder of lifting movement up and down, being fixedly installed in the lifting seat of the top can be such that balance weight assembly realizes up and down
Lift the main hydraulic cylinder of movement, main hydraulic cylinder upper end is fixedly installed togather with balance weight assembly, positioned at bottom lifting seat and
The lifting fluid cylinder that the lifting seat positioned at bottom can be made to realize lifting movement up and down is fixedly installed between tank floor.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
It can be set in above-mentioned cabinet there are two lifting seat, underlying lifting seat is lower lifting seat, the lifting being located above
Seat is upper lifting seat；Lifting fluid cylinder is one-stage hydraulic cylinder, and secondary hydraulic cylinder is two-stage hydraulic cylinder, main hydraulic cylinder is three-level hydraulic cylinder；
The one-stage hydraulic cylinder that lower lifting seat can be made to realize lifting movement up and down is fixedly installed between cabinet and lower lifting seat；Lower lifting is left
The two-stage hydraulic cylinder that upper lifting seat can be made to realize lifting movement up and down is fixedly installed between upper lifting seat；Upper lifting seat with match
The three-level hydraulic cylinder that balance weight assembly can be made to realize lifting movement up and down is fixedly installed between recombination part.
Above-mentioned upper lifting seat can be in several shapes of opening upwards with lower lifting seat, and upper lifting cover for seat is mounted in lower lifting seat
It is interior；Lower lifting seat includes outer body frame, outer left lifting edge and outer right lifting edge, and outer body frame is in Qian shape, upper end on the left of outer body frame
It is fixed with outer left lifting edge, upper end is fixed with outer right lifting edge on the right side of outer body frame, and one-stage hydraulic cylinder includes the first from left cylinder and the right side
One cylinder is fixedly installed with the first from left cylinder, is fixedly installed between outer right lifting edge and cabinet between outer left lifting edge and cabinet
A right cylinder；Upper lifting seat includes interior body frame, interior left lifting edge and interior right lifting edge, and interior body frame is in Qian shape, interior body frame left side
Upper end is fixed with interior left lifting edge, and upper end is fixed with interior right lifting edge on the right side of interior body frame, and two-stage hydraulic cylinder includes the second from left cylinder
With right two cylinder, the second from left cylinder is fixedly installed between interior left lifting edge and outer body frame, it is solid between interior right lifting edge and outer body frame
Dingan County is equipped with right two cylinder；Three-level hydraulic cylinder includes left three cylinders and right three cylinders, and bilateral symmetry is fixedly installed with left three cylinders in interior body frame
With right three cylinders, left three cylinder upper ends and right three cylinder upper ends are fixedly installed togather with balance weight assembly.
Above-mentioned balance weight assembly may include fixed weight, adjustable counter balance and counterweight rope, fixed weight upper-center and wirerope
Right part lower end be fixedly installed togather, fixed weight lower end left part is fixedly installed togather with left three cylinders, fixed weight lower end
Right part is fixedly installed togather with right three cylinders, be equipped in the interior body frame of position between three cylinders of a corresponding left side and right three cylinders adjustable counter balance and
Counterweight rope, counterweight rope upper end are fixedly installed togather with fixed weight lower end center, when left three cylinders and right three cylinders are fallen after rise to most
For counterweight rope lower seat in interior body frame, counterweight rope lower outside is adjustable every being fixedly installed at least one between the upper and lower when low spot
Weight.
Above-mentioned commutation component may include left chain wheel, right pulley and extension bar, and extension bar is the tilting bar in right low left high, right
Should the commutate top of the box upper end of hole left location is equipped with right pulley, and upper end is fixedly mounted on extension bar right end on the left of cabinet
Together, extension bar left end is equipped with left chain wheel, wirerope is equipped between left chain wheel and right pulley, the left part lower end of wirerope is located at
Below the left part of left chain wheel, the right part lower end of wirerope is located at below the right part of right pulley.
Above-mentioned commutation component may also include support rod, and support rod is the tilting bar in right low left high, the left end of support rod with
The left end of extension bar is fixedly installed togather, and right end and the cabinet left side central portion of support rod are fixedly installed togather.
Above-mentioned to may also include sucker rod, wirerope left part lower end is fixedly installed togather with sucker rod upper end.
The utility model reasonable and compact in structure, is skillfully constructed, and reduces its reciprocating speed by the way that multiple hydraulic cylinders are arranged, from
And mitigate that oil cylinder is worn and to reduce length of oil cylinder easy to process；By lifting seat under being arranged in cabinet and in lower lifting
Upper lifting seat is set in seat, to reduce its installation footprint；By the way that adjustable counter balance is arranged, convenient for accurately adjusting sucker rod
Balance between balance weight assembly, have the characteristics that conveniently, safely with it is quick.
Detailed description of the invention
Attached drawing 1 is schematic diagram of main cross-sectional structure of the best embodiment of the utility model.
Attached drawing 2 is the schematic diagram of main cross-sectional structure of attached drawing 1 in a state of use.
Attached drawing 3 is the hydraulic diagram of attached drawing 1.
Coding in attached drawing is respectively as follows: 1 for cabinet, and 2 be sucker rod, and 3 be wirerope, and 4 be commutation hole, and 5 be outer body frame, and 6
It is outer right lifting edge for outer left lifting edge, 7,8 be the first from left cylinder, and 9 be a right cylinder, and 10 be interior body frame, and 11 be interior left lifting side
Edge, 12 be interior right lifting edge, and 13 be the second from left cylinder, and 14 be right two cylinder, and 15 be left three cylinders, and 16 be right three cylinders, and 17 be fixed weight,
18 be adjustable counter balance, and 19 be counterweight rope, and 20 be left chain wheel, and 21 be right pulley, and 22 be extension bar, and 23 be support rod, and 24 be electronic
Machine, 25 be hydraulic pump, and 26 be fuel tank, and 27 be reversal valve.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
As shown in attached drawing 1,2, the Multi-stage cylinder pumping unit include cabinet 1, wirerope 3 and at least one be from top to bottom superimposed upon
Lifting seat together, cabinet 1 is interior to be equipped with balance weight assembly, and the top surface center of cabinet 1 is equipped with can be with the commutation hole of connection in its cabinet 1
4, the top surface of the cabinet 1 of corresponding commutation 4 left location of hole is equipped with commutation component, is equipped with wirerope 3, steel wire on the component that commutates
Rope 3 can be fixedly installed togather in the shape of falling Qian that Open Side Down, the left part lower end of wirerope 3 with sucker rod 2, the right side of wirerope 3
Subordinate end is fixedly installed togather after passing through commutation hole 4 with balance weight assembly upper-center；All lifting seats are respectively positioned on balance weight assembly
Lower section is fixedly installed with the pair that the lifting seat being located above can be made to realize lifting movement up and down between every two groups of adjacent lifting seats
Hydraulic cylinder is fixedly installed with the main hydraulic cylinder that balance weight assembly can be made to realize lifting movement up and down in the lifting seat of the top,
Main hydraulic cylinder upper end is fixedly installed togather with balance weight assembly, the fixed peace between 1 bottom surface of lifting seat and cabinet of bottom
Equipped with the lifting fluid cylinder that the lifting seat positioned at bottom can be made to realize lifting movement up and down.According to demand, use is conventionally known
Sucker rod 2 is fixedly installed togather with 3 left part lower end of wirerope, and lifting fluid cylinder, main hydraulic cylinder and secondary hydraulic cylinder can be used existing
There is well known hydraulic cylinder, drive hydraulic pump 25 to rotate by motor 24, the hydraulic oil in fuel tank 26 is sucked out hydraulic pump 25, is pumped into
Hydraulic oil is delivered in each hydraulic cylinder by reversal valve 27, reversal valve 27 again, realizes the reciprocating motion of each hydraulic cylinder simultaneously (such as
Shown in Fig. 3).In use, it is moved back and forth simultaneously by each hydraulic cylinder, power is passed into oil pumping by wirerope 3
Bar 2 realizes the up and down motion of sucker rod 2 by commutation component.Using the utility model effect concretely: if sucker rod 2
Stroke in well is 3 meters, and sucker rod 2 is promoted 6 times per minute, if using traditional single cylinder pumping unit, hydraulic cylinder is reciprocal
Speed be then 36 ms/min, if synchronously completed using the two-stage hydraulic cylinder that the utility model uses, in two-stage hydraulic cylinder
The reciprocal speed of every grade of hydraulic cylinder is then 18 ms/min, in conclusion the present embodiment is compared with traditional single cylinder pumping unit, equally
Operating condition under, substantially reduce the reciprocal speed of hydraulic cylinder, so as to mitigate the abrasion of hydraulic cylinder, and be also greatly reduced
The height of single hydraulic cylinder not only contributes to processing and also helps installation.The utility model reasonable and compact in structure, design are skilful
It is wonderful, its reciprocating speed is reduced by the way that multiple hydraulic cylinders are arranged, is easy to add to mitigate oil cylinder abrasion and length of oil cylinder can be reduced
Work and installation, have the characteristics that conveniently, safely with it is quick.
Above-mentioned Multi-stage cylinder pumping unit can be made further optimization and/or improvements according to actual needs:
It as shown in attached drawing 1,2, is set in cabinet 1 there are two lifting seat, underlying lifting seat is lower lifting seat, is located at upper
The lifting seat of side is upper lifting seat；Lifting fluid cylinder is one-stage hydraulic cylinder, and secondary hydraulic cylinder is two-stage hydraulic cylinder, main hydraulic cylinder is three-level
Hydraulic cylinder；The one-stage hydraulic cylinder that lower lifting seat can be made to realize lifting movement up and down is fixedly installed between cabinet 1 and lower lifting seat；
The two-stage hydraulic cylinder that lifting seat can be made to realize lifting movement up and down is fixedly installed between a lower lifting left side and upper lifting seat；Rise
The three-level hydraulic cylinder that balance weight assembly can be made to realize lifting movement up and down is fixedly installed between drop seat and balance weight assembly.According to need
It asks, one-stage hydraulic cylinder, two-stage hydraulic cylinder and three-level hydraulic cylinder are all made of the lifting that conventionally known technology completes corresponding component,
In use process, lower lifting seat is lifted by one-stage hydraulic cylinder, two-stage hydraulic cylinder lifts upper lifting seat and three-level hydraulic cylinder lifts
Power to realize each hydraulic cylinder while move back and forth, and is passed to sucker rod 2 by wirerope 3, passed through by balance weight assembly
The component that commutates realizes the up and down motion of sucker rod 2.Using the utility model effect concretely: if sucker rod 2 is in well
Stroke is 3 meters, and sucker rod 2 is promoted 6 times per minute, if the reciprocal speed of hydraulic cylinder is then using traditional single cylinder pumping unit
Be 36 ms/min, if the three-level hydraulic cylinder synchronous used using the utility model is completed, in three-level hydraulic cylinder every grade it is hydraulic
The reciprocal speed of cylinder is then 12 ms/min, in conclusion the present embodiment is compared with traditional single cylinder pumping unit, under same operating condition,
The reciprocal speed of hydraulic cylinder is substantially reduced, so as to mitigate the abrasion of hydraulic cylinder, and is also greatly reduced single hydraulic
The height of cylinder not only contributes to processing and also helps installation.The utility model reasonable and compact in structure, is skillfully constructed, by setting
Setting multiple hydraulic cylinders reduces its reciprocating speed, to mitigate, oil cylinder is worn and to reduce length of oil cylinder easy to process；By
Lower lifting seat is set in cabinet 1 and upper lifting seat is set in lower lifting seat, to reduce its installation footprint, there is peace
Entirely, convenient and quick feature.
As shown in attached drawing 1,2, upper lifting seat and lower lifting seat are in several shapes of opening upwards, and upper lifting cover for seat is mounted in down
In lifting seat；Lower lifting seat includes outer body frame 5, outer left lifting edge 6 and outer right lifting edge 7, and outer body frame 5 is in Qian shape, outer master
5 left side upper end of frame is fixed with outer left lifting edge 6, and outer 5 right side upper end of body frame is fixed with outer right lifting edge 7, one-stage hydraulic cylinder
Including the first from left cylinder 8 and a right cylinder 9, the first from left cylinder 8, outer right lifting edge 7 are fixedly installed between outer left lifting edge 6 and cabinet 1
A right cylinder 9 is fixedly installed between cabinet 1；Upper lifting seat includes interior body frame 10, interior left lifting edge 11 and interior right lifting side
Edge 12, interior body frame 10 are in Qian shape, and interior 10 left side upper end of body frame is fixed with interior left lifting edge 11, and interior 10 right side upper end of body frame is fixed
There is interior right lifting edge 12, two-stage hydraulic cylinder includes the second from left cylinder 13 and right two cylinder 14, between interior left lifting edge 11 and outer body frame 5
It is fixedly installed with the second from left cylinder 13, is fixedly installed with right two cylinder 14 between interior right lifting edge 12 and outer body frame 5；Three-level hydraulic cylinder packet
Three cylinder 15 of a left side and right three cylinders 16 are included, bilateral symmetry is fixedly installed with three cylinder 15 of a left side and right three cylinders 16, left three cylinders 15 in interior body frame 10
Upper end and 16 upper end of right three cylinder are fixedly installed togather with balance weight assembly.In use, setting in this way can close
Reason is located at balance weight assembly in upper lifting seat, so that upper lifting seat using space by being located at upper lifting seat in lower lifting seat
There are overlapping regions between lower lifting seat, so that total height will be less than when each hydraulic cylinder reaches maximum protrusion height
The height of single cylinder pumping unit reduces 1 installation footprint of cabinet to keep 1 volume of cabinet smaller.According to demand, outer body frame 5,
Outer left lifting edge 6 and outer right lifting edge 7 can be wholely set；Interior body frame 10, interior left lifting edge 11 and interior right lifting edge
12 can be wholely set.
As shown in attached drawing 1,2, balance weight assembly includes fixed weight 17, adjustable counter balance 18 and counterweight rope 19, fixed weight 17
The right part lower end of upper-center and wirerope 3 is fixedly installed togather, 17 lower end left part of fixed weight and the fixed peace of left three cylinders 15
Be fitted together, 17 lower end right part of fixed weight is fixedly installed togather with right three cylinders 16, corresponding three cylinder 15 of a left side and right three cylinders 16 it
Between position interior body frame 10 in be equipped with adjustable counter balance 18 and counterweight rope 19,19 upper end of counterweight rope and 17 lower end center of fixed weight are solid
Dingan County is fitted together, when three cylinder 15 of a left side and right three cylinders 16 are fallen after rise to minimum point 19 lower seat of counterweight rope in interior body frame 10,
19 lower outside of counterweight rope is between the upper and lower every being fixedly installed at least one adjustable counter balance 18.According to demand, counterweight rope 19 is using existing
There is well known flexible strand, in addition the weight of sucker rod 2 and fixed weight 17 can be consistent.In use, pass through setting
Adjustable counter balance 18, convenient for accurately adjusting the balance between sucker rod 2 and balance weight assembly.Specifically may be used using the effect of the utility model
Are as follows: the weight of the weight of sucker rod 2 and fixed weight 17 can be 2000Kg, and being equipped at intervals with 5 weight on counterweight rope 19 is
The adjustable counter balance 18 of 200Kg, since sucker rod 2 is before decentralization, the equal seat of adjustable counter balance 18 on counterweight rope 19 on interior body frame 10,
Its gravity and support dynamic balance, the gravitational equilibrium of the gravity of sucker rod 2 and fixed weight 17 at this time, when sucker rod 2 is under continuous
During putting, counterweight rope 19 is also constantly being promoted, the adjustable counter balance 18 that its underpart is arranged in the process of ascension of counterweight rope 19
Interior body frame 10 will be successively left, thus leave adjustable counter balance 18 that interior body frame 10 supports for not by the support force of interior body frame 10, from
And the gravity of adjustable counter balance 18 and the gravity of fixed weight 17 will be used to balance in the sucker rod 2 in sucker rod 2 and lower section to well
Extraction oil gravity and, in conclusion realizing the balance accurately adjusted between sucker rod 2 and balance weight assembly.
As shown in attached drawing 1,2, commutation component includes left chain wheel 20, right pulley 21 and extension bar 22, and extension bar 22 is in a left side
The 1 top upper end of cabinet of high right low tilting bar, corresponding commutation 4 left location of hole is equipped with right pulley 21,1 left side upper end of cabinet
Be fixedly installed togather with 22 right end of extension bar, 22 left end of extension bar is equipped with left chain wheel 20, left chain wheel 20 and right pulley 21 it
Between be equipped with wirerope 3, the left part lower end of wirerope 3 is located at below the left part of left chain wheel 20, and the right part lower end of wirerope 3 is located at right
Below the right part of pulley 21.According to demand, the wirerope 3 between sucker rod 2 and left chain wheel 20 can be with horizontal plane, left chain wheel
Wirerope 3 between 20 and right pulley 21 can be parallel to the horizontal plane, and the wirerope 3 between right pulley 21 and fixed weight 17 can be with
Horizontal plane.In use, hydraulic cylinder liftings at different levels are realized under sucker rod 2 by left chain wheel 20 and right pulley 21
It puts, the falling of hydraulic cylinders at different levels realizes that sucker rod 2 proposes by left chain wheel 20 and right pulley 21.
As shown in attached drawing 1,2, commutation component further includes support rod 23, and support rod 23 is the tilting bar in right low left high, branch
The left end of strut 23 and the left end of extension bar 22 are fixedly installed togather, and right end and 1 left side central portion of cabinet of support rod 23 are fixed
It is installed together.In use, setting in this way keeps left chain wheel 20 more stable in use.
It further include sucker rod 2 as shown in attached drawing 1,2,3 left part lower end of wirerope and 2 upper end of sucker rod are fixedly mounted on one
It rises.According to demand, sucker rod 2 is existing well-known technique.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (8)
1. a kind of Multi-stage cylinder pumping unit, it is characterised in that including cabinet, wirerope and at least one be from top to bottom superimposed
Lifting seat, balance weight assembly is equipped in cabinet, the top surface center of cabinet is equipped with can be with the commutation hole of connection in its cabinet, and correspondence is changed
Be equipped with commutation component to the top surface of the cabinet of hole left location, wirerope be installed on the component that commutates, wirerope in opening to
Under the shape of falling Qian, the left part lower end of wirerope can be fixedly installed togather with sucker rod, and the right part lower end of wirerope passes through commutation
Kong Houyu balance weight assembly upper-center is fixedly installed togather；All lifting seats are respectively positioned below balance weight assembly, and every two groups adjacent
Lifting seat between be fixedly installed with can make the lifting seat being located above realize up and down lifting movement secondary hydraulic cylinder, be located at it is most upper
Side lifting seat in be fixedly installed with can make balance weight assembly realize up and down lifting movement main hydraulic cylinder, main hydraulic cylinder upper end with match
Recombination part is fixedly installed togather, and being fixedly installed between the lifting seat and tank floor of bottom can make to be located at bottom
Lifting seat realize up and down lifting movement lifting fluid cylinder.
2. Multi-stage cylinder pumping unit according to claim 1, it is characterised in that lifting seat there are two setting in cabinet is located below
Lifting seat be lower lifting seat, the lifting seat being located above be upper lifting seat；Lifting fluid cylinder is one-stage hydraulic cylinder, and secondary hydraulic cylinder is
Two-stage hydraulic cylinder, main hydraulic cylinder are three-level hydraulic cylinder；Being fixedly installed between cabinet and lower lifting seat can be such that lower lifting seat realizes
The one-stage hydraulic cylinder of lifting movement up and down；Being fixedly installed between a lower lifting left side and upper lifting seat can be such that lifting seat realizes up and down
Lift the two-stage hydraulic cylinder of movement；Being fixedly installed between upper lifting seat and balance weight assembly can make balance weight assembly realize lifting up and down
The three-level hydraulic cylinder of movement.
3. Multi-stage cylinder pumping unit according to claim 2, it is characterised in that upper lifting seat and lower lifting seat be in opening to
On several shapes, upper lifting cover for seat is in the lower lifting seat；Lower lifting seat includes outer body frame, outer left lifting edge and outer right lifting
Edge, outer body frame are in Qian shape, and upper end is fixed with outer left lifting edge on the left of outer body frame, and upper end is fixed with outer right liter on the right side of outer body frame
Edge drops, and one-stage hydraulic cylinder includes the first from left cylinder and a right cylinder, is fixedly installed with the first from left cylinder between outer left lifting edge and cabinet, outside
A right cylinder is fixedly installed between right lifting edge and cabinet；Upper lifting seat includes interior body frame, interior left lifting edge and interior right liter
Edge drops, and interior body frame is in Qian shape, and upper end is fixed with interior left lifting edge on the left of interior body frame, and upper end is fixed with the interior right side on the right side of interior body frame
Edge is gone up and down, two-stage hydraulic cylinder includes the second from left cylinder and right two cylinder, is fixedly installed with the second from left between interior left lifting edge and outer body frame
Cylinder is fixedly installed with right two cylinder between interior right lifting edge and outer body frame；Three-level hydraulic cylinder includes left three cylinders and right three cylinders, interior master
Bilateral symmetry is fixedly installed with three cylinders of a left side and right three cylinders in frame, and left three cylinder upper ends and right three cylinder upper ends are fixed with balance weight assembly and pacified
It is fitted together.
4. Multi-stage cylinder pumping unit according to claim 3, it is characterised in that balance weight assembly includes fixed weight, adjustable counter balance
With counterweight rope, the right part lower end of fixed weight upper-center and wirerope is fixedly installed togather, fixed weight lower end left part with
Left three cylinders are fixedly installed togather, and fixed weight lower end right part is fixedly installed togather with right three cylinders, three cylinders of a corresponding left side and the right side three
Adjustable counter balance and counterweight rope are equipped between cylinder in the interior body frame of position, counterweight rope upper end and fixed weight lower end center are fixedly mounted
Together, when left three cylinders and right three cylinders are fallen after rise to minimum point, counterweight rope lower seat is in interior body frame, counterweight rope lower outside
Between the upper and lower every being fixedly installed at least one adjustable counter balance.
5. Multi-stage cylinder pumping unit according to claim 1 or 2 or 3 or 4, it is characterised in that commutation component include left chain wheel,
Right pulley and extension bar, extension bar are the tilting bar in right low left high, the top of the box upper end peace of corresponding commutation hole left location
Equipped with right pulley, upper end is fixedly installed togather with extension bar right end on the left of cabinet, and extension bar left end is equipped with left chain wheel, left cunning
Wirerope is equipped between wheel and right pulley, the left part lower end of wirerope is located at below the left part of left chain wheel, under the right part of wirerope
End is located at below the right part of right pulley.
6. Multi-stage cylinder pumping unit according to claim 5, it is characterised in that commutation component further includes support rod, and support rod is
In the tilting bar of right low left high, the left end of support rod and the left end of extension bar are fixedly installed togather, the right end and case of support rod
Body left side central portion is fixedly installed togather.
7. Multi-stage cylinder pumping unit described according to claim 1 or 2 or 3 or 4 or 6, it is characterised in that further include sucker rod, steel wire
Rope left part lower end is fixedly installed togather with sucker rod upper end.
8. Multi-stage cylinder pumping unit according to claim 5, it is characterised in that further include sucker rod, wirerope left part lower end with
Sucker rod upper end is fixedly installed togather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658913.2U CN209083266U (en) | 2018-10-12 | 2018-10-12 | Multi-stage cylinder pumping unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658913.2U CN209083266U (en) | 2018-10-12 | 2018-10-12 | Multi-stage cylinder pumping unit |
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| Publication Number | Publication Date |
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| CN209083266U true CN209083266U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894535A (en) * | 2020-07-08 | 2020-11-06 | 中国石油大学(华东) | Two-stage telescopic ocean platform hydraulic pumping unit, control method and application |
-
2018
- 2018-10-12 CN CN201821658913.2U patent/CN209083266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894535A (en) * | 2020-07-08 | 2020-11-06 | 中国石油大学(华东) | Two-stage telescopic ocean platform hydraulic pumping unit, control method and application |
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