CN105484706A - Crank pulley steel wire rope reversing oil pumping unit and method - Google Patents
Crank pulley steel wire rope reversing oil pumping unit and method Download PDFInfo
- Publication number
- CN105484706A CN105484706A CN201511013626.7A CN201511013626A CN105484706A CN 105484706 A CN105484706 A CN 105484706A CN 201511013626 A CN201511013626 A CN 201511013626A CN 105484706 A CN105484706 A CN 105484706A
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- assembly
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- wire rope
- tandem
- pulley group
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005086 pumping Methods 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 title abstract 5
- 239000010959 steel Substances 0.000 title abstract 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000009467 reduction Effects 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
Abstract
The invention relates to a crank pulley steel wire rope reversing oil pumping unit and method. According to the technical scheme, the oil pumping unit comprises a main pulley block assembly, a balance box assembly, a fixed pulley block, a movable pulley block, a crankshaft assembly and the like, and the crankshaft assembly is installed at the rear side of a base assembly; the movable pulley block is installed in a stroke adjusting hole in the end of a crank of the crankshaft assembly; the fixed pulley block is installed on the base assembly; one end of a transmission steel wire rope is linked to a tail rope pile on the base assembly, and the other end of the transmission steel wire rope bypasses all pulleys and is linked to the bottom of the balance box assembly. The crank pulley steel wire rope reversing oil pumping unit and method have the advantages that the crank reversing principle and the movable pulley block stroke multiplication principle are utilized for achieving long-stroke operation of the oil pumping unit; the large load difference between the polished rod load and the balance box weight is utilized for achieving the effect of being adapted to rapid downward movement of a sucker rod string combination in a well in the downward stroke; a mechanism is stable in operation, reliable in braking, simple and compact in structure; an electric motor runs continuously without being reversed, the starting torque is large, the starting current is small, and the oil pumping unit is started easily when being heavily loaded, high in efficiency and low in noise.
Description
Technical field
The present invention relates to a kind of oil recovery machiner of petroleum industry, particularly a kind of crank pulley wire rope reverse oil pumper and method.
Background technology
The oil pumper kind that current oil extraction in oil field uses is a lot, and beam pumping unit installation workload is large, and for long stroke, large load type, its volume is large, weight is large, installed power is large, and energy consumption is large, sexual valence ratio.Hydraulic pumping unit energy consumption is high, maintenance is inconvenient, efficiency is low; Chain drive pumping unit noise is large, oil leaking pollution environment; Motor positive and inverse oil pumper starting current is large, and efficiency is low, and reach the specified speed of service in the short time after oil pumper commutation, form heavy load, load difference is little, and sucker rod down stroke speed is slow.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, provides a kind of crank pulley wire rope reverse oil pumper and method, it utilize crank rotarily drive movable pulley do revolution operation realize transmission and commutation.
A kind of crank pulley wire rope reverse oil pumper that the present invention mentions, comprise base assembly (1), pylon assembly (2), polished rod eye (3), outstanding rope (4), head pulley group assembly (5), tandem-driving bogie assembly (6), shackle line (7), fixed pulley group (8), running block (9), crank axle assembly (10), gear reduction unit (11), belt transmission group (12), motor (13), brake assembly (14), it is anterior that described pylon assembly (2) is arranged on base assembly (1); The head pulley group assembly (5) of two pulley compositions is arranged on pylon assembly (2) top; Two outstanding ropes (4) are walked around head pulley group assembly (5) and are connected with the polished rod eye (3) hanging rod string by tandem-driving bogie assembly (6); Tandem-driving bogie assembly (6) is suspended on the rear side of pylon assembly (2), and tandem-driving bogie assembly (6) bottom connects with shackle line (7); Crank axle assembly (10) is arranged on base assembly (1) rear side; Running block (9) is arranged in the crank end stroke adjustment hole of crank axle assembly (10); Fixed pulley group (8) is arranged on base assembly (1); Shackle line (7) one end connects with the tail rope stake on base assembly (1), and the other end walks around each pulley and tandem-driving bogie assembly (6) bottom connection; Gear reduction unit (11) pinion be arranged on base assembly (1) its output shaft upper aligns with the gear wheel of crank axle assembly (10) and engages; Belt transmission group (12) is arranged between the power shaft of gear reduction unit (11) and the output shaft of motor (13); Brake assembly (14) is arranged on gear reduction unit (11) other end power shaft; Motor (13) low level is arranged on base assembly (1).
The head pulley group assembly (5) be made up of two pulleys and two outstanding ropes (4) can replace with a roller assembly and a belt assembly; Head pulley group can be 4,6,8 pulleys totally 4,6,8 outstanding ropes, also can be 2 pulleys, and each pulley has 2,3,4 groovings totally 4,6,8 outstanding ropes.
Above-mentioned crank axle assembly (10) is made up of gear wheel (10.1) and the crank (10.2) installing gear, and crank (10.2) is arranged on the side of gear wheel (10.1), and gear wheel exports large moment of torsion while realization is slowed down.
Form transmission exchange system by crank axle assembly (10), running block (9), fixed pulley group (8) and shackle line (7), crank axle assembly (10) is arranged on base assembly (1) rear side, running block (9) is arranged in the crank end stroke adjustment hole of crank axle assembly (10), fixed pulley group (8) is arranged on base assembly (1), shackle line (7) one end connects with the tail rope stake on base assembly (1), the other end walks around each pulley and tandem-driving bogie assembly (6) bottom connection, described shackle line (7) one end is connected to pull load with tandem-driving bogie assembly, the other end is walked around fixed pulley group (8) and is realized turning to, walking around running block (9) is again connected fastening with the tail rope end (1.1) on firm banking assembly (1), running block (9) flexing arbor assembly (10) center is done circumference and is run, do circumference run process in constantly repeat near and away from fixed pulley group (8), thus realize wire rope and broadcast and draw and take out.
The center of above-mentioned running block (9) flexing arbor assembly (10) is done circumference and is run, running block (9) do circumference run process in constantly repeat near and away from fixed pulley group (8), realize the acceleration having smooth variation in the process that wire rope broadcasts with pull, power transmission is steady.
Above-mentioned brake assembly (14) is arranged on one end power shaft of gear reduction unit (11), and brake assembly (14) adopts manual control mode, for open in usual.
Above-mentioned gear reduction unit (11) is moved in a circle by gear pair driving crank axle group assembly (10) on output shaft.
The using method of a kind of crank pulley wire rope reverse oil pumper that the present invention mentions, comprises following methods:
Oil pumper has assembled, and when system does not start, under the Action of Gravity Field of rod string assemblage, tandem-driving bogie (6) is positioned at the top of stroke;
After system starts, motor (13) is by belt transmission group (12) driven wheel reducer (11), gear reduction unit (11) realizes slowing down and output torque, gear wheel on pinion driving crank axle assembly (10) on gear reduction unit output shaft rotates and exports high pulling torque, the running block (9) being arranged on crank axle assembly (10) crank end does circumference operation with the rotation of crank, running block (9) is continuous in fixed pulley group (8) in the process doing circumference operation around the center of crank axle assembly (10), thus repeatedly draw and give wire rope to make tandem-driving bogie assembly (6) do up and down reciprocatingly rectilinear motion, tandem-driving bogie assembly (6) drives outstanding rope (4) to do up and down reciprocatingly rectilinear motion, outstanding rope (4) is walked around the change that head pulley group assembly (5) realizes the direction of motion and is driven polished rod eye (3) and the rod string connected and oil pump plunger piston thereof to make continuously up and down reciprocatingly rectilinear motion simultaneously, realize the suction of well liquid,
During system closing, cut off electrical source of power, motor reducer stops Power output, and the brake assembly (14) being arranged on gear reduction unit (11) power shaft one end is reliably braked, and all parts that pump stop at present position immediately.
The invention has the beneficial effects as follows: utilize the rotation of crank to make movable pulley mounted thereto do circumference and run, impel movable pulley mild close to and away from fixed pulley, movable pulley drives wire rope motion, realizes oil pumper commutation, realizes oil pumper and back and forth run gently.The present invention utilizes crank reversing principle, movable pulley travel multiplier principle realizes oil pumper long stroke and runs; Load difference large between polished rod load and tandem-driving bogie weight is utilized to realize adapting to when down stroke the fast downlink of rod string assemblage in well; Mechanism kinematic is steady, and braking is reliable; Mechanism is simple, compact conformation; Motor continuous running does not commutate, and can adopt switched reluctance machines, and detent torque is large, and starting current is little, bears a heavy burden to carry easily to start, and efficiency is high, and noise is low.
Accompanying drawing explanation
Accompanying drawing 1 is overall structure schematic diagram of the present invention;
Accompanying drawing 2 is integrally-built top views of the present invention;
Accompanying drawing 3 is structural representations of crank axle assembly;
Accompanying drawing 4 is top views of crank axle assembly;
Accompanying drawing 5 is wire rope gearing reversing principle figure of the present invention;
In upper figure: base assembly 1, pylon assembly 2, polished rod eye 3, outstanding rope 4, head pulley group assembly 5, tandem-driving bogie assembly 6, shackle line 7, fixed pulley group 8, running block 9, crank axle assembly 10, gear reduction unit 11, belt transmission group 12, motor 13, brake assembly 14, gear wheel 10.1, crank 10.2, tail rope end 1.1.
Detailed description of the invention
1-5 by reference to the accompanying drawings, the invention will be further described:
A kind of crank pulley wire rope reverse oil pumper that the present invention mentions, comprise base assembly 1, pylon assembly 2, polished rod eye 3, outstanding rope 4, head pulley group assembly 5, tandem-driving bogie assembly 6, shackle line 7, fixed pulley group 8, running block 9, crank axle assembly 10, gear reduction unit 11, belt transmission group 12, motor 13, brake assembly 14, it is anterior that described pylon assembly 2 is arranged on base assembly 1; The head pulley group assembly 5 of two pulley compositions is arranged on pylon assembly 2 top; Two outstanding ropes 4 are walked around head pulley group assembly 5 and are connected with the polished rod eye 3 hanging rod string by tandem-driving bogie assembly 6; Tandem-driving bogie assembly 6 is suspended on the rear side of pylon assembly 2, connects bottom tandem-driving bogie assembly 6 with shackle line 7; Crank axle assembly 10 is arranged on rear side of base assembly 1; Running block 9 is arranged in the crank end stroke adjustment hole of crank axle assembly 10, needs to regulate permanent position to realize the adjustment of oil pumper length of stroke according to application; Fixed pulley group 8 is arranged on base assembly 1; Shackle line 7 one end connects with the tail rope stake on base assembly 1, and the other end walks around each pulley and tandem-driving bogie assembly 6 bottom connection; Gear reduction unit 11 pinion be arranged on base assembly 1 on its output shaft aligns with the gear wheel of crank axle assembly 10 and engages; Belt transmission group 12 is arranged between the power shaft of gear reduction unit 11 and the output shaft of motor 13; Brake assembly 14 is arranged on gear reduction unit 11 other end power shaft; Motor 13 low level is arranged on base assembly 1.
The head pulley group assembly 5 be made up of two pulleys and two outstanding ropes 4 can replace with a roller assembly and a belt assembly; Head pulley group can be 4,6,8 pulleys totally 4,6,8 outstanding ropes, also can be 2 pulleys, and each pulley has 2,3,4 groovings totally 4,6,8 outstanding ropes.
Wherein, crank axle assembly 10 is made up of gear wheel 10.1 and the crank 10.2 installing gear, and crank 10.2 is arranged on the side of gear wheel 10.1, and gear wheel exports large moment of torsion while realization is slowed down.
Form transmission exchange system by crank axle assembly 10, running block 9, fixed pulley group 8 and shackle line 7, crank axle assembly 10 is arranged on rear side of base assembly 1; Running block 9 is arranged in the crank end stroke adjustment hole of crank axle assembly 10; Fixed pulley group 8 is arranged on base assembly 1; Shackle line 7 one end connects with the tail rope stake on base assembly 1, the other end walks around each pulley and tandem-driving bogie assembly 6 bottom connection, described shackle line 7 one end is connected to pull load with tandem-driving bogie assembly, the other end is walked around fixed pulley group 8 and is realized turning to, walking around running block 9 is again connected fastening with the tail rope end 1.1 on firm banking assembly 1, running block 9 flexing arbor assembly 10 center is done circumference and is run, do in the process that circumference runs constantly repeat near and away from fixed pulley group 8, thus realize wire rope and broadcast and draw and take out.
In addition, the center of running block 9 flexing arbor assembly 10 is done circumference and is run, running block 9 do in the process that circumference runs constantly repeat near and away from fixed pulley group 8, realize the acceleration having smooth variation in the process that wire rope broadcasts with pull, power transmission is steady.Above-mentioned brake assembly 14 is arranged on one end power shaft of gear reduction unit 11, and brake assembly 14 adopts manual control mode, for open in usual.Above-mentioned gear reduction unit 11 is moved in a circle by the gear pair driving crank axle group assembly 10 on output shaft.
The using method of the crank pulley wire rope reverse oil pumper that the present invention mentions, comprises the following steps:
Oil pumper has assembled, and when system does not start, under the Action of Gravity Field of rod string assemblage, tandem-driving bogie 6 is positioned at the top of stroke.
After system starts, motor 13 is by belt transmission group 12 driven wheel reducer 11; Gear reduction unit 11 outputting power is rotated by gear driving pair driving crank axle assembly 10 continuously and smoothly; Running block 9 is arranged on crank end, rotation along with crank is done circumference around crank axle center and is run, realize constantly near and away from fixed pulley group 8, and constantly pull and broadcast shackle line 7, thus realizing transmission commutation and realize tandem-driving bogie assembly 6 doing straight reciprocating motion; Tandem-driving bogie assembly 6 drives to be walked around the outstanding rope 4 of the head pulley group assembly 5 at oil pumper top and polished rod eye 3, optical-rod clamp and oil pumping system polished rod and is connected and does reciprocating linear motion, and polished rod is connected with sucker rod and drives down-hole pump plunger to do reciprocating linear motion by sucker rod and realizes oil well pump suction.
Running block 9 at the uniform velocity rotates around the center of crank axle assembly 10, mild close to and away from fixed pulley group 8, realize shackle line 7 and back and forth run, slow down shock loading.
Tandem-driving bogie assembly 6 lighter in weight, for ensureing that roofbolt upper end is in tension state and offsets part roofbolt weight saving induction-motor load in well, in itself and well, the load official post rod string assemblage of rod string assemblage obtains desirable downstream rate.
During system closing, cut off electrical source of power, motor reducer stops Power output, and the brake assembly 14 being arranged on gear reduction unit 11 power shaft one end can reliably be braked, and all parts that pump stop at present position immediately.
The above, be only part preferred embodiment of the present invention, any those of ordinary skill in the art all may utilize the technical scheme correct of above-mentioned elaboration or are revised as equivalent technical scheme.Therefore, any simple modification of carrying out according to technical scheme of the present invention or substitute equivalents, belong to the scope of protection of present invention to the greatest extent.
Claims (8)
1. a crank pulley wire rope reverse oil pumper, it is characterized in that: comprise base assembly (1), pylon assembly (2), polished rod eye (3), outstanding rope (4), head pulley group assembly (5), tandem-driving bogie assembly (6), shackle line (7), fixed pulley group (8), running block (9), crank axle assembly (10), gear reduction unit (11), belt transmission group (12), motor (13), brake assembly (14), it is anterior that described pylon assembly (2) is arranged on base assembly (1); The head pulley group assembly (5) of two pulley compositions is arranged on pylon assembly (2) top; Two outstanding ropes (4) are walked around head pulley group assembly (5) and are connected with the polished rod eye (3) hanging rod string by tandem-driving bogie assembly (6); Tandem-driving bogie assembly (6) is suspended on the rear side of pylon assembly (2), and tandem-driving bogie assembly (6) bottom connects with shackle line (7); Crank axle assembly (10) is arranged on base assembly (1) rear side; Running block (9) is arranged in the crank end stroke adjustment hole of crank axle assembly (10); Fixed pulley group (8) is arranged on base assembly (1); Shackle line (7) one end connects with the tail rope stake on base assembly (1), and the other end walks around each pulley and tandem-driving bogie assembly (6) bottom connection; Gear reduction unit (11) pinion be arranged on base assembly (1) its output shaft upper aligns with the gear wheel of crank axle assembly (10) and engages; Belt transmission group (12) is arranged between the power shaft of gear reduction unit (11) and the output shaft of motor (13); Brake assembly (14) is arranged on gear reduction unit (11) other end power shaft; Motor (13) low level is arranged on base assembly (1).
2. crank pulley wire rope reverse oil pumper according to claim 1, is characterized in that: the head pulley group assembly (5) be made up of two pulleys and two outstanding ropes (4) can replace with a roller assembly and a belt assembly; Head pulley group can be 4,6,8 pulleys totally 4,6,8 outstanding ropes, also can be 2 pulleys, and each pulley has 2,3,4 groovings totally 4,6,8 outstanding ropes.
3. crank pulley wire rope reverse oil pumper according to claim 1, it is characterized in that: described crank axle assembly (10) is made up of gear wheel (10.1) and the crank (10.2) installing gear, crank (10.2) is arranged on the side of gear wheel (10.1), and gear wheel exports large moment of torsion while realization is slowed down.
4. crank pulley wire rope reverse oil pumper according to claim 1, it is characterized in that: form transmission exchange system by crank axle assembly (10), running block (9), fixed pulley group (8) and shackle line (7), crank axle assembly (10) is arranged on base assembly (1) rear side, running block (9) is arranged in the crank end stroke adjustment hole of crank axle assembly (10), fixed pulley group (8) is arranged on base assembly (1), shackle line (7) one end connects with the tail rope stake on base assembly (1), the other end walks around each pulley and tandem-driving bogie assembly (6) bottom connection, described shackle line (7) one end is connected to pull load with tandem-driving bogie assembly, the other end is walked around fixed pulley group (8) and is realized turning to, walking around running block (9) is again connected fastening with the tail rope end (1.1) on firm banking assembly (1), running block (9) flexing arbor assembly (10) center is done circumference and is run, do circumference run process in constantly repeat near and away from fixed pulley group (8), thus realize wire rope and broadcast and draw and take out.
5. crank pulley wire rope reverse oil pumper according to claim 1, it is characterized in that: the center of described running block (9) flexing arbor assembly (10) is done circumference and run, running block (9) do circumference run process in constantly repeat near and away from fixed pulley group (8), realize the acceleration having smooth variation in the process that wire rope broadcasts with pull, power transmission is steady.
6. crank pulley wire rope reverse oil pumper according to claim 1, is characterized in that: described brake assembly (14) is arranged on one end power shaft of gear reduction unit (11), and brake assembly (14) adopts manual control mode, for open in usual.
7. crank pulley wire rope reverse oil pumper according to claim 1, is characterized in that: described gear reduction unit (11) is moved in a circle by gear pair driving crank axle group assembly (10) on output shaft.
8. a using method for the crank pulley wire rope reverse oil pumper according to any one of claim 1-7, is characterized in that: comprise following methods:
Oil pumper has assembled, and when system does not start, under the Action of Gravity Field of rod string assemblage, tandem-driving bogie (6) is positioned at the top of stroke;
After system starts, motor (13) is by belt transmission group (12) driven wheel reducer (11), gear reduction unit (11) realizes slowing down and output torque, gear wheel on pinion driving crank axle assembly (10) on gear reduction unit output shaft rotates and exports high pulling torque, the running block (9) being arranged on crank axle assembly (10) crank end does circumference operation with the rotation of crank, running block (9) is continuous in fixed pulley group (8) in the process doing circumference operation around the center of crank axle assembly (10), thus repeatedly draw and give wire rope to make tandem-driving bogie assembly (6) do up and down reciprocatingly rectilinear motion, tandem-driving bogie assembly (6) drives outstanding rope (4) to do up and down reciprocatingly rectilinear motion, outstanding rope (4) is walked around the change that head pulley group assembly (5) realizes the direction of motion and is driven polished rod eye (3) and the rod string connected and oil pump plunger piston thereof to make continuously up and down reciprocatingly rectilinear motion simultaneously, realize the suction of well liquid,
During system closing, cut off electrical source of power, motor reducer stops Power output, and the brake assembly (14) being arranged on gear reduction unit (11) power shaft one end is reliably braked, and all parts that pump stop at present position immediately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013626.7A CN105484706A (en) | 2015-12-31 | 2015-12-31 | Crank pulley steel wire rope reversing oil pumping unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013626.7A CN105484706A (en) | 2015-12-31 | 2015-12-31 | Crank pulley steel wire rope reversing oil pumping unit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105484706A true CN105484706A (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511013626.7A Pending CN105484706A (en) | 2015-12-31 | 2015-12-31 | Crank pulley steel wire rope reversing oil pumping unit and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105484706A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329875A (en) * | 2019-08-12 | 2019-10-15 | 伊塞克电梯有限公司 | A kind of steering Lian Shengqi for wirerope and load |
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|---|---|---|---|---|
| GB243788A (en) * | 1924-09-01 | 1925-12-01 | John Lungley Neame | Improvements in and relating to combined suction and force pumps and the like |
| CN2065683U (en) * | 1989-11-03 | 1990-11-14 | 曲本宪 | Pump with balanced weight |
| CN2164474Y (en) * | 1993-06-30 | 1994-05-11 | 北京市西城区新开通用试验厂 | Numerical controlled oil pump combined use with well extracting frame |
| CN101201000A (en) * | 2007-10-17 | 2008-06-18 | 大庆石油管理局 | Flexible driving mechanism oil pumping device |
| CN201232539Y (en) * | 2008-08-04 | 2009-05-06 | 王志安 | Wheel shaft pumping unit |
| CN201865644U (en) * | 2010-11-29 | 2011-06-15 | 张学海 | Flexible connecting and tensioning device for pumping unit |
| CN102191930A (en) * | 2011-06-03 | 2011-09-21 | 东北石油大学 | Composite balanced flexible oil pumping unit with long service life |
| CN205477544U (en) * | 2015-12-31 | 2016-08-17 | 胜利油田新大管业科技发展有限责任公司 | Crank pulley wire rope beam -pumping unit that commutates |
-
2015
- 2015-12-31 CN CN201511013626.7A patent/CN105484706A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB243788A (en) * | 1924-09-01 | 1925-12-01 | John Lungley Neame | Improvements in and relating to combined suction and force pumps and the like |
| CN2065683U (en) * | 1989-11-03 | 1990-11-14 | 曲本宪 | Pump with balanced weight |
| CN2164474Y (en) * | 1993-06-30 | 1994-05-11 | 北京市西城区新开通用试验厂 | Numerical controlled oil pump combined use with well extracting frame |
| CN101201000A (en) * | 2007-10-17 | 2008-06-18 | 大庆石油管理局 | Flexible driving mechanism oil pumping device |
| CN201232539Y (en) * | 2008-08-04 | 2009-05-06 | 王志安 | Wheel shaft pumping unit |
| CN201865644U (en) * | 2010-11-29 | 2011-06-15 | 张学海 | Flexible connecting and tensioning device for pumping unit |
| CN102191930A (en) * | 2011-06-03 | 2011-09-21 | 东北石油大学 | Composite balanced flexible oil pumping unit with long service life |
| CN205477544U (en) * | 2015-12-31 | 2016-08-17 | 胜利油田新大管业科技发展有限责任公司 | Crank pulley wire rope beam -pumping unit that commutates |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329875A (en) * | 2019-08-12 | 2019-10-15 | 伊塞克电梯有限公司 | A kind of steering Lian Shengqi for wirerope and load |
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