CN201330590Y - Single-cylinder bidirectional whole balance hydraulic pumping unit - Google Patents
Single-cylinder bidirectional whole balance hydraulic pumping unit Download PDFInfo
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- CN201330590Y CN201330590Y CNU2009203004085U CN200920300408U CN201330590Y CN 201330590 Y CN201330590 Y CN 201330590Y CN U2009203004085 U CNU2009203004085 U CN U2009203004085U CN 200920300408 U CN200920300408 U CN 200920300408U CN 201330590 Y CN201330590 Y CN 201330590Y
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Abstract
Provided is a single-cylinder bidirectional whole balance hydraulic pumping unit, wherein a balance box is arranged on a frame, an inner end of an oil-pumping rope is fixed and mounted on the balance box, an outer end of the oil-pumping rope may be fixed and connected with an oil-pumping lever after passing through an oil-pumping dead pulley and an oil-pumping guide wheel; a top end of an piston pole is provided with a traction movable pulley, the traction movable pulley is provided with not less than three rope grooves, and the balance box may move up and down in the frame by the traction movable pulley, an upper drag rope and a lower drag rope locating on the top end of the piston pole. the utility model has a reasonable and compact structure, a long service life, an easy operation, a good installation character, a low energy consumption, a low maintenance cost and the like, and the traction and oil pumping all have a good integral balance. the utility model is integrally received a force uniformly, it is best that the lower drag rope and the upper drag rope are divided into multiple strands, thus the diameter of each strand of the rope will be reduced with a same load, the flexibility of the rope will be improved, at the same time, the force-receiving of each rope will be reduced, and the service life and the system reliability of the rope are all improved.
Description
One, technical field
The utility model relates to the oil pumper technical field of recover petroleum, is a kind of single-cylinder bidirectional full-balanced hydraulic oil extractor.
Two, background technology
Existing oil pumper generally comprises beam pumping unit and hydraulic oil pumping unit etc., and beam pumping unit is more traditional oil pumper, but have following problem: structure is huger, weight ratio is bigger always, adjusts stroke, jig frequency and balance and all compares difficulty, and particularly energy consumption is higher; Hydraulic oil pumping unit is the new pumping unit that occurs in recent ten years, but short because of complex structure, application life, be not easy to use, maintenance cost is high never is widely used.
Three, summary of the invention
The utility model provides a kind of single-cylinder bidirectional full-balanced hydraulic oil extractor, overcome the deficiency of above-mentioned prior art, solved prior art complex structure, application life short, be not easy to problems such as uses, maintenance cost height, it has reasonable and compact in structure, traction and oil pumping and all has good whole balance, long service life, easy to use, advantage such as installation property is good, energy consumption is low, maintenance cost is low.
The technical solution of the utility model realizes by following measure: a kind of single-cylinder bidirectional full-balanced hydraulic oil extractor, it comprises hydraulic means, this hydraulic means comprises hydraulic cylinder and hydraulic pump, hydraulic cylinder is connected with hydraulic pump by fluid pressure line, hydraulic cylinder comprises cylinder body, piston boit and piston, this hydraulic cylinder adopts two-way hydraulic cylinder, tandem-driving bogie is positioned at frame, the top of the frame above tandem-driving bogie is equipped with the oil pumping fixed pulley, the inner of oil pumping platform is installed in the upper outside of frame, outside at the oil pumping platform is equipped with the oil pumping directive wheel, the inner of oil pumping rope is fixedly mounted on the tandem-driving bogie, can fixedly connected with sucker rod by behind oil pumping fixed pulley and the directive wheel of pumping in the outer end of oil pumping rope; The top of the frame of tandem-driving bogie top is equipped with the traction fixed pulley, one of upper outside of other frame except that the oil pumping platform side is equipped with the traction directive wheel, the bottom of the frame of tandem-driving bogie below is equipped with down the traction fixed pulley, one of outside, bottom of other frame except that the oil pumping platform side is equipped with down the traction directive wheel, the bottom of hydraulic cylinder is fixedly mounted on the base of traction framework, a traction movable pulley is installed on the piston boit top, on the traction movable pulley rope groove that is no less than three is arranged, this rope groove comprises overhanging cable rope groove and following drag rope groove; Be equipped with on the top of the traction plane above the tandem-driving bogie and draw fixed pulley, be equipped with in the upper outside of the traction plane above the tandem-driving bogie and draw directive wheel, the bottom of the traction plane below tandem-driving bogie is equipped with traction fixed pulley down, and the outside, bottom of the traction plane below tandem-driving bogie is equipped with traction directive wheel down; The inner of overhanging cable rope is fixedly mounted on the tandem-driving bogie, the outer end of overhanging cable rope is by last traction fixed pulley, last traction directive wheel, the overhanging cable rope groove of traction movable pulley, be fixedly mounted on behind the fixed pulley on the framework on traction the putting on the shelf of framework, the inner of following drag rope is fixedly mounted on the tandem-driving bogie, traction fixed pulley is down passed through in the outer end of following drag rope, under draw directive wheel, the following drag rope groove of traction movable pulley, be fixedly mounted on behind the fixed pulley under the framework on the undercarriage of traction framework, by the traction movable pulley on piston boit top, the overhanging cable rope, following drag rope can make tandem-driving bogie along moving up and down in the frame; Overhanging cable rope groove is symmetrically distributed with following drag rope groove, and overhanging cable rope and following drag rope make traction movable pulley symmetry stressed; The overhanging cable rope moves on a traction plane, and following drag rope moves on a traction plane.
Be further optimization and/or improvements below to above-mentioned technical solutions of the utility model:
Above-mentioned hydraulic means can adopt multi-level piston two-way hydraulic cylinder, the cylinder body of this multi-level piston two-way hydraulic cylinder comprises stationary housing and is no less than the active cylinder block of one-level, piston is all arranged in every grade of cylinder body, the below of each piston is last an actor's rendering of an operatic tune, the top of each piston is reverse chamber, and the piston in the lower end of piston boit and the final stage active cylinder block is fixed together or becomes one; Piston in the lower end of final stage active cylinder block and its next stage active cylinder block be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with; The reverse oil paths is arranged on active cylinder block, and the top import and export of this reverse oil paths communicate with the top, reverse chamber in the active cylinder block, and the bottom import and export of this reverse oil paths communicate with the bottom, reverse chamber outside the active cylinder block; In the connection of the bottom of stationary housing an actor's rendering of an operatic tune connection on the up oil circuit Guan Bingyu is arranged, connecting on the top of stationary housing has the reverse chamber of reverse oil circuit Guan Bingyu to be communicated with.
The reverse oil paths that is no less than two symmetrical distributions can be arranged on above-mentioned active cylinder block.
The reverse oil paths that four symmetrical distributions can be arranged on above-mentioned active cylinder block.
The inner of above-mentioned oil pumping platform can be hinged on the upper outside of frame, the oil pumping platform can on turn over or side is changeed.
The outside of above-mentioned oil pumping platform can with on turn over or side to change the piston boit outer end of hydraulic cylinder hinged, on turn over or base that side is changeed hydraulic cylinder is hinged on the frame.
The weight of above-mentioned tandem-driving bogie can equal the sucker rod empty-weight.
Above-mentioned hydraulic means and corresponding rack section thereof can have moist closet, and hydraulic means is positioned at moist closet.
Above-mentioned overhanging cable rope can be odd number and following drag rope is even numbers, perhaps the overhanging cable rope be odd number and following drag rope be odd number, perhaps the overhanging cable rope be even numbers and following drag rope can be even numbers, perhaps the overhanging cable rope be even numbers and following drag rope be odd number, overhanging cable rope and following drag rope mutual sub-thread compartment of terrain or mutual multiply compartment of terrain are installed in the rope groove that draws on the movable pulley.
Above-mentioned oil pumping rope or/and the overhanging cable rope or/and down drag rope can adopt sub-thread rope or flat rope or sub-thread chain or multiply chain or banded rope, the oil pumping rope is fixed together by polished rod eye and sucker rod.
The utlity model has reasonable and compact in structure, traction and oil pumping and all have good whole balance, long service life, easy to use, advantage such as installation property is good, energy consumption is low, maintenance cost is low.The utility model is whole stressed even, and following drag rope and overhanging cable rope preferably adopt multiply, and this is under same loading condition, reduce the diameter of per share rope, improve the pliability of rope, reduce the stressed of every rope simultaneously, improve the application life and the system reliability of rope.
Four, description of drawings
Accompanying drawing 1 is looked the sectional structure schematic diagram for the master of the embodiment 1 of multi-level piston two-way hydraulic cylinder in the utility model.
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to sectional structure.Accompanying drawing 3 is that the B-B of accompanying drawing 1 is to sectional structure.
Accompanying drawing 4 is looked the sectional structure schematic diagram for the master of the embodiment 2 of multi-level piston two-way hydraulic cylinder in the utility model.
Accompanying drawing 5 is that the C-C of accompanying drawing 4 is to sectional structure.Accompanying drawing 6 is that the D-D of accompanying drawing 4 is to sectional structure.
Accompanying drawing 7 is looked the sectional structure schematic diagram for the master of embodiment 3 of the present utility model.
Accompanying drawing 8 is looked the sectional structure schematic diagram for the master of traction movable pulley in the accompanying drawing 7.Coding in the accompanying drawing is respectively: 1 is piston boit, and 2 is stationary housing, and 3 is piston, and 4 is last an actor's rendering of an operatic tune, 5 is reverse chamber, and 6 is the final stage active cylinder block, and 7 is up oil circuit hole, and 8 is the reverse oil paths, 9 is up oil circuit pipe, and 10 is reverse oil circuit pipe, and 11 is intermediate active cylinder block; 12 is hydraulic cylinder, and 13 is hydraulic pump, and 14 is tandem-driving bogie, and 15 is frame, and 16 are the oil pumping fixed pulley, and 17 are the oil pumping platform, and 18 are the oil pumping directive wheel, and 19 are the oil pumping rope, and 20 be moist closet, 21 on turn over or side commentaries on classics hydraulic cylinder, 22 is polished rod eye, 23 is soil; 24 is last traction fixed pulley, and 25 is last traction directive wheel, and 26 are following traction fixed pulley, and 27 are traction directive wheel down, and 28 are the traction framework, and 29 are the traction movable pulley, and 30 be the rope groove, and 31 be the overhanging cable rope, 32 be under drag rope.
Five, the specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Embodiment 3: shown in accompanying drawing 7 and 8, this single-cylinder bidirectional full-balanced hydraulic oil extractor comprises hydraulic means, this hydraulic means comprises hydraulic cylinder 12 and hydraulic pump 13, hydraulic cylinder 12 is connected with hydraulic pump 13 by fluid pressure line, hydraulic cylinder 12 comprises cylinder body, piston boit 1 and piston 3, this hydraulic cylinder 12 adopts two-way hydraulic cylinder, tandem-driving bogie 14 is positioned at frame 15, the top of the frame 15 above tandem-driving bogie 15 is equipped with oil pumping fixed pulley 16, the inner of oil pumping platform 17 is installed in the upper outside of frame 15, in the outside of oil pumping platform 17 oil pumping directive wheel 18 is installed, the inner of oil pumping rope 19 is fixedly mounted on the tandem-driving bogie 14, can fixedly connected with sucker rod by behind oil pumping fixed pulley 16 and the directive wheel 18 of pumping in the outer end of oil pumping rope 19; The top of the frame 15 of tandem-driving bogie 14 tops is equipped with traction fixed pulley 23, one of upper outside of other frame 15 except that oil pumping platform 17 sides is equipped with traction directive wheel 25, the bottom of the frame 15 of tandem-driving bogie 14 belows is equipped with down traction fixed pulley 26, one of outside, bottom of other frame 15 except that oil pumping platform 17 sides is equipped with down traction directive wheel 27, the bottom of hydraulic cylinder 12 is fixedly mounted on the base of traction framework 28, on piston boit 1 top a traction movable pulley 29 is installed, on traction movable pulley 29 the rope groove 30 that is no less than three is arranged, this rope groove comprises overhanging cable rope groove and following drag rope groove; Traction fixed pulley 24 is installed on the top of the traction plane above the tandem-driving bogie 14, in the upper outside of the traction plane above the tandem-driving bogie 14 traction directive wheel 25 is installed, the bottom of the traction plane below tandem-driving bogie 14 is equipped with traction fixed pulley 26 down, and the outside, bottom of the traction plane below tandem-driving bogie 14 is equipped with traction directive wheel 27 down; The inner of overhanging cable rope 31 is fixedly mounted on the tandem-driving bogie 14, the outer end of overhanging cable rope 31 is by last traction fixed pulley 24, last traction directive wheel 25, be fixedly mounted on behind the overhanging cable rope groove of traction movable pulley 29 on traction the putting on the shelf of framework 28, the inner of following drag rope 32 is fixedly mounted on the tandem-driving bogie 14, traction fixed pulley 26 is down passed through in the outer end of following drag rope 32, under draw directive wheel 27, be fixedly mounted on the undercarriage of traction framework 29, behind the following drag rope groove of traction movable pulley 29 by the traction movable pulley 29 on piston boit 1 top, overhanging cable rope 31, following drag rope 32 can make tandem-driving bogie 14 along moving up and down in the frame 15; Overhanging cable rope groove is symmetrically distributed with following drag rope groove, and overhanging cable rope 31 and following drag rope 32 make traction movable pulley 29 symmetries stressed; Overhanging cable rope 31 moves on a traction plane, and following drag rope 32 moves on a traction plane.Make traction movable pulley 29 whole stressed even like this.The utility model is when work: tandem-driving bogie 14 keeps relative equilibrium by oil pumping rope 19 and sucker rod load, therefore, the merit that drop-down tandem-driving bogie 14 is done is mainly used in and promotes fluid column and overcome the needed merit of frictional force that sucker rod moves upward from oil well, on draw tandem-driving bogie 14 to do merit be mainly used in sucker rod and overcome the frictional force that moves downward and oil well pump is resetted, thereby the minimizing idle work has reduced energy consumption.
Can according to actual needs above-mentioned single-cylinder bidirectional full-balanced hydraulic oil extractor be made further optimization and/or improvements:
Shown in accompanying drawing 7 and 8, the inner of oil pumping platform 17 is hinged on the upper outside of frame 15, oil pumping platform 17 can on turn over or side is changeed, thereby allow the oil well mouth be convenient to revise well operations, preferably realize (but also can by manually realizing) by hydraulic pressure, the outside of oil pumping platform 17 with on turn over or side to change the piston boit outer end of hydraulic cylinder 21 hinged, on turn over or the base of side commentaries on classics hydraulic cylinder 21 is hinged on the frame 15.
In order to help the operate as normal of hydraulic means, above-mentioned hydraulic means and corresponding frame 15 parts thereof preferably have moist closet 20, hydraulic means is positioned at moist closet 20, the base of frame 15 can rest on the ground, preferably the moist closet 20 of the hydraulic means of embodiment 4 and corresponding frame 15 parts thereof is placed the relative thermostat layer of below ground, become underground cell-type in use, make the hydraulic means working environment be in metastable state like this, help reducing the fault of hydraulic means, thereby prolonged the application life of hydraulic means, reduced maintenance cost, reduced the height of derrick, improved stability and reduce installation difficulty.Be specially adapted to summer than sweltering heat or/and winter than the oil exploitation of cold district.
In order to help drawing the symmetrical stressed of movable pulley, as shown in Figure 8, overhanging cable rope 31 can be odd number and following drag rope 32 can be even numbers, perhaps overhanging cable rope 31 can be odd number and following drag rope 32 can be odd number, perhaps overhanging cable rope 31 can be even numbers and following drag rope 32 can be even numbers, perhaps overhanging cable rope 31 can be even numbers and following drag rope 32 can be odd number, overhanging cable rope 31 and following drag rope 32 mutual sub-thread compartment of terrains or mutual multiply compartment of terrain be installed in the rope groove 30 that draws on the movable pulley.Make the utility model whole stressed even like this, following drag rope 32 and overhanging cable rope 31 preferably adopt multiply, this is under same loading condition, reduce the diameter of per share rope, improve the pliability of rope, reduce the stressed of every rope simultaneously, thereby also improve the application life and the system reliability of rope.
Shown in accompanying drawing 7 and 8, oil pumping rope 19 can adopt sub-thread rope or flat rope or sub-thread chain or multiply chain or banded rope, can determine according to actual needs, and oil pumping rope 19 is fixed together by polished rod eye 22 and sucker rod.
Hydraulic means can adopt single stage piston two-way hydraulic cylinder or multi-level piston two-way hydraulic cylinder, can come as required to determine, shown in accompanying drawing 1 to 8, hydraulic means can adopt multi-level piston two-way hydraulic cylinder, shown in accompanying drawing 1 to 6, this multi-level piston two-way hydraulic cylinder comprises cylinder body, piston boit 1 and piston 3, cylinder body comprises stationary housing 2 and is no less than the active cylinder block of one-level, piston 3 is all arranged in every grade of cylinder body, the below of each piston 3 is last an actor's rendering of an operatic tune 4, the top of each piston 3 is reverse chamber 5, and the piston 3 in the lower end of piston boit 1 and the final stage active cylinder block 6 is fixed together or becomes one; Piston 3 in the lower end of final stage active cylinder block 6 and its next stage active cylinder block be fixed together or become one and have on this piston 3 up oil circuit hole 7 will go up lower cylinder body on an actor's rendering of an operatic tune 4 be communicated with; Reverse oil paths 8 is arranged on active cylinder block, and the top import and export of this reverse oil paths 8 communicate with 5 tops, reverse chamber in the active cylinder block, and the bottom import and export of this reverse oil paths 8 communicate with 5 bottoms, reverse chamber outside the active cylinder block; Connecting in the bottom of stationary housing 2 has up oil circuit pipe 9 and is communicated with last an actor's rendering of an operatic tune 4, reverse oil circuit pipe 10 is arranged and is communicated with reverse chamber 5 in the connection of the top of stationary housing 2.
Embodiment 1: shown in accompanying drawing 1 to 3, be with above-mentioned multi-level piston two-way hydraulic cylinder difference: the cylinder body of embodiment 1 comprises stationary housing 2 and active cylinder block, having only the one-level active cylinder block is final stage active cylinder block 6, and the lower end of final stage active cylinder block 6 and its next stage active cylinder block to be piston 3 in the stationary housing 2 be fixed together or become one and have on this piston 3 up oil circuit hole 7 will go up lower cylinder body on an actor's rendering of an operatic tune 4 be communicated with.Its course of work is as follows: when needs piston boit 1 is up, upwards inject high pressure liquid in an actor's rendering of an operatic tune 4 by up lubricating oil road pipe 9, and oppositely oil circuit pipe 10 is in to effluxing the high pressure liquid state that unloads, thereby makes piston 3 in the stationary housing 2 and the pistons 3 in the final stage active cylinder block 6 all make progress operation and drive piston boit 1 stretches out; When needs piston boit 1 reverse when descending, in reverse chamber 5, inject high pressure liquid by reverse oil circuit pipe 10, and up lubricating oil road pipe 9 is in to effluxing the high pressure liquid state that unloads, thereby makes all inverted runnings and drive piston boit 1 and shrink downwards of piston 3 in the stationary housing 2 and the piston 3 in the final stage active cylinder block 6.
Embodiment 2: shown in accompanying drawing 1 to 6, be with the difference of embodiment 1: shown in accompanying drawing 4 to 6, the cylinder body of embodiment 2 comprises stationary housing 2 and secondary active cylinder block, and this secondary active cylinder block comprises intermediate active cylinder block 11 and final stage active cylinder block 6; The lower end of final stage active cylinder block 6 and its next stage active cylinder block be the piston 3 in the intermediate active cylinder block 11 be fixed together or become one and have on this piston 3 up oil circuit hole 7 will go up lower cylinder body on an actor's rendering of an operatic tune 4 be communicated with; Lower end and its next stage active cylinder block of middle rank active cylinder block 11 be stationary housing 2 interior pistons 3 be fixed together or become one and have on this piston 3 up oil circuit hole 7 will go up lower cylinder body on an actor's rendering of an operatic tune 4 be communicated with.Its course of work is as follows: when needs piston boit 1 is up, upwards inject high pressure liquid in an actor's rendering of an operatic tune 4 by up lubricating oil road pipe 9, and oppositely oil circuit pipe 10 is in to effluxing the high pressure liquid state that unloads, thereby makes piston 3 in the piston 3 in the stationary housing 2, the intermediate active cylinder block 11 and the pistons 3 in the final stage active cylinder block 6 all make progress operation and drive piston boit 1 stretches out; When needs piston boit 1 reverse when descending, in reverse chamber 5, inject high pressure liquid by reverse oil circuit pipe 10, and up lubricating oil road pipe 9 is in to effluxing the high pressure liquid state that unloads, thereby makes all inverted runnings and drive piston boit 1 and shrink downwards of piston 3 in the piston 3 in the stationary housing 2, the intermediate active cylinder block 11 and the piston 3 in the final stage active cylinder block 6.
Can according to actual needs above-mentioned multi-level piston two-way hydraulic cylinder be made further optimization and/or improvements:
The reverse oil paths 8 that is no less than two symmetrical distributions can be arranged on above-mentioned active cylinder block, shown in accompanying drawing 1 to 6, the reverse oil paths 8 of four symmetrical distributions is arranged preferably on active cylinder block.
In the utility model: that the piston control device for reversing of hydraulic means can adopt the mechanical trip switching regulator or electronic control type etc. existing technique known.
In the utility model: the progression of active cylinder block is many more, and the distance of stretching out or shrinking of piston boit 1 is restricted just few more, and the speed of stretching out or shrinking of piston boit 1 is just fast more.
Above technical characterictic has constituted embodiment of the present utility model, and it has stronger compliance and preferable implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Claims (10)
1, a kind of single-cylinder bidirectional full-balanced hydraulic oil extractor, comprise hydraulic means, this hydraulic means comprises hydraulic cylinder and hydraulic pump, hydraulic cylinder is connected with hydraulic pump by fluid pressure line, hydraulic cylinder comprises cylinder body, piston boit and piston, this hydraulic cylinder adopts two-way hydraulic cylinder, it is characterized in that tandem-driving bogie is positioned at frame, the top of the frame above tandem-driving bogie is equipped with the oil pumping fixed pulley, the inner of oil pumping platform is installed in the upper outside of frame, outside at the oil pumping platform is equipped with the oil pumping directive wheel, and the inner of oil pumping rope is fixedly mounted on the tandem-driving bogie, can fixedly connected with sucker rod by behind oil pumping fixed pulley and the directive wheel of pumping in the outer end of oil pumping rope; The top of the frame of tandem-driving bogie top is equipped with the traction fixed pulley, one of upper outside of other frame except that the oil pumping platform side is equipped with the traction directive wheel, the bottom of the frame of tandem-driving bogie below is equipped with down the traction fixed pulley, one of outside, bottom of other frame except that the oil pumping platform side is equipped with down the traction directive wheel, the bottom of hydraulic cylinder is fixedly mounted on the base of traction framework, a traction movable pulley is installed on the piston boit top, on the traction movable pulley rope groove that is no less than three is arranged, this rope groove comprises overhanging cable rope groove and following drag rope groove; Be equipped with on the top of the traction plane above the tandem-driving bogie and draw fixed pulley, be equipped with in the upper outside of the traction plane above the tandem-driving bogie and draw directive wheel, the bottom of the traction plane below tandem-driving bogie is equipped with traction fixed pulley down, and the outside, bottom of the traction plane below tandem-driving bogie is equipped with traction directive wheel down; The inner of overhanging cable rope is fixedly mounted on the tandem-driving bogie, the outer end of overhanging cable rope is by last traction fixed pulley, last traction directive wheel, the overhanging cable rope groove of traction movable pulley, be fixedly mounted on behind the fixed pulley on the framework on traction the putting on the shelf of framework, the inner of following drag rope is fixedly mounted on the tandem-driving bogie, traction fixed pulley is down passed through in the outer end of following drag rope, under draw directive wheel, the following drag rope groove of traction movable pulley, be fixedly mounted on behind the fixed pulley under the framework on the undercarriage of traction framework, by the traction movable pulley on piston boit top, the overhanging cable rope, following drag rope can make tandem-driving bogie along moving up and down in the frame; Overhanging cable rope groove is symmetrically distributed with following drag rope groove, and overhanging cable rope and following drag rope make traction movable pulley symmetry stressed; The overhanging cable rope moves on a traction plane, and following drag rope moves on a traction plane.
2, single-cylinder bidirectional full-balanced hydraulic oil extractor according to claim 1, it is characterized in that hydraulic means adopts multi-level piston two-way hydraulic cylinder, the cylinder body of this multi-level piston two-way hydraulic cylinder comprises stationary housing and is no less than the active cylinder block of one-level, piston is all arranged in every grade of cylinder body, the below of each piston is last an actor's rendering of an operatic tune, the top of each piston is reverse chamber, and the piston in the lower end of piston boit and the final stage active cylinder block is fixed together or becomes one; Piston in the lower end of final stage active cylinder block and its next stage active cylinder block be fixed together or become one and have on this piston up oil circuit hole will go up lower cylinder body on an actor's rendering of an operatic tune be communicated with; The reverse oil paths is arranged on active cylinder block, and the top import and export of this reverse oil paths communicate with the top, reverse chamber in the active cylinder block, and the bottom import and export of this reverse oil paths communicate with the bottom, reverse chamber outside the active cylinder block; In the connection of the bottom of stationary housing an actor's rendering of an operatic tune connection on the up oil circuit Guan Bingyu is arranged, connecting on the top of stationary housing has the reverse chamber of reverse oil circuit Guan Bingyu to be communicated with.
3,, it is characterized in that having on the active cylinder block reverse oil paths that is no less than two symmetrical distributions according to claim 2 or described single-cylinder bidirectional full-balanced hydraulic oil extractor.
4, single-cylinder bidirectional full-balanced hydraulic oil extractor according to claim 3 is characterized in that having on the active cylinder block reverse oil paths of four symmetrical distributions.
5, according to claim 1 or 2 or 3 or 4 described single-cylinder bidirectional full-balanced hydraulic oil extractors, the inner of the platform that it is characterized in that pumping is hinged on the upper outside of frame, the oil pumping platform can on turn over or side is changeed.
6, single-cylinder bidirectional full-balanced hydraulic oil extractor according to claim 5, the outside of the platform that it is characterized in that pumping and on turn over or side to change the piston boit outer end of hydraulic cylinder hinged, on turn over or base that side is changeed hydraulic cylinder is hinged on the frame.
7, single-cylinder bidirectional full-balanced hydraulic oil extractor according to claim 6 is characterized in that hydraulic means and corresponding rack section thereof have moist closet, and hydraulic means is positioned at moist closet.
8, single-cylinder bidirectional full-balanced hydraulic oil extractor according to claim 7, it is characterized in that the overhanging cable rope be odd number and following drag rope be even numbers, perhaps the overhanging cable rope be odd number and following drag rope be odd number, perhaps the overhanging cable rope be even numbers and following drag rope can be even numbers, perhaps the overhanging cable rope be even numbers and following drag rope be odd number, overhanging cable rope and following drag rope mutual sub-thread compartment of terrain or mutual multiply compartment of terrain are installed in the rope groove that draws on the movable pulley.
9, single-cylinder bidirectional full-balanced hydraulic oil extractor according to claim 8 is characterized in that the weight of tandem-driving bogie equals the sucker rod empty-weight.
10, single-cylinder bidirectional full-balanced hydraulic oil extractor according to claim 9, it is characterized in that pumping rope or/and the overhanging cable rope or/and down drag rope adopt sub-thread rope or flat rope or sub-thread chain or multiply chain or banded rope, the oil pumping rope is fixed together by polished rod eye and sucker rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009203004085U CN201330590Y (en) | 2009-01-23 | 2009-01-23 | Single-cylinder bidirectional whole balance hydraulic pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009203004085U CN201330590Y (en) | 2009-01-23 | 2009-01-23 | Single-cylinder bidirectional whole balance hydraulic pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN201330590Y true CN201330590Y (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009203004085U Expired - Lifetime CN201330590Y (en) | 2009-01-23 | 2009-01-23 | Single-cylinder bidirectional whole balance hydraulic pumping unit |
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| CN (1) | CN201330590Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562001A (en) * | 2012-01-11 | 2012-07-11 | 杭州史宾纳机械设备有限公司 | Numerical-control energy-saving oil pumping unit with long moment arm |
| CN101787868B (en) * | 2009-01-23 | 2014-02-19 | 徐洪德 | Single-cylinder bidirectional full-balanced hydraulic oil extractor |
-
2009
- 2009-01-23 CN CNU2009203004085U patent/CN201330590Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787868B (en) * | 2009-01-23 | 2014-02-19 | 徐洪德 | Single-cylinder bidirectional full-balanced hydraulic oil extractor |
| CN102562001A (en) * | 2012-01-11 | 2012-07-11 | 杭州史宾纳机械设备有限公司 | Numerical-control energy-saving oil pumping unit with long moment arm |
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