CN2491601Y - Chain belt pumping unit - Google Patents
Chain belt pumping unit Download PDFInfo
- Publication number
- CN2491601Y CN2491601Y CN 01248905 CN01248905U CN2491601Y CN 2491601 Y CN2491601 Y CN 2491601Y CN 01248905 CN01248905 CN 01248905 CN 01248905 U CN01248905 U CN 01248905U CN 2491601 Y CN2491601 Y CN 2491601Y
- Authority
- CN
- China
- Prior art keywords
- oil pumper
- chain belt
- motor
- pylon
- chassis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a pumping unit with a chain belt comprising an electronic motor (17), a driving wheel (3), a driven wheel (9) mounted on an upper flat (8), and two guide wheels (21). A soft belt (10) are coiled on the two guide wheels (21), one end of the soft belt is hinged with the upper portion of a weight box (6) and the other end is connected with a pumping rod via a beam hanger (20). A magnet (11) is disposed on the weight box (6). An approach switch (12) is disposed on a tower (5). Then the stroke of the pumping unit is controlled by a procedure. The pumping unit has the advantages of high mechanic efficiency, smooth operation, low current for motor actuating, high factor of electronic efficiency, convenient parameter adjustment, simple maintenance and the like.
Description
The utility model relates to a kind of oil recovery machiner, particularly relates to a kind of chain belt oil pumper.
Countries in the world are in machine is quarried oily equipment, and being extensive use of has over one hundred year historical beam pumping unit, and it has simple in structure durable in use.But because its operating principle and structural problem exist following unsurmountable shortcoming: 1, the ground drive line is long, make surface efficiency very low, generally about 30%, as underground efficient (oil well pump efficient etc.) is estimated that by 80% then system effectiveness is only about 25%; 2, the oil pumper starting acceleration is generally at 3ms
2About, so the dynamic loading of oil pumper is excessive, the work operation is not steady; 3, not only power factor is low for squirrel-cage motor, and starting current need be big, is generally rated current more than 3 times, so oil pumper must be selected heavy-duty motor for use, causes the phenomenon of " low load with strong power "; 4, beam pumping unit stroke and jig frequency are regulated difficulty, and adjustable value is very little, and as regulating the mechanical part (as motor, reducer, belt transmission etc.) that must change former transmission system, oil pumper then more is restricted when heavy crude producing.
In recent years beam pumping unit is transformed, but effect is little, the oil pumper that other wards off new footpath has a kind of chain type commutation oil pumper, but because of what use is chain drive, service wear is fast down for big load, and application life, shortcomings such as chain price height were impacted in the existence of weak point and chain and sprocket engagement.
Chinese patent ZL97217513.x discloses a kind of friction-type oil pumper, is made up of switched reluctance variable speed machine, reducer, friction pulley, derrick, telephone-moving mechanism etc.The lifting steel cable is housed on the friction pulley, and an end that promotes steel cable connects with sucker rod by steel cable tension equalizer mechanism, and the other end is equipped with ballast box.Derrick be equipped with up and down the adjustable control rod stroke of two distances near switch, soft iron is housed on the ballast box, when ballast box with sucker rod by promoting steel cable when reciprocating up and down, when soft iron respectively successively near two during up and down near switch, thereby send signal control motor steering near switch, sucker rod moves back and forth the purpose that reaches oil pumping.
But owing to adopt the steel cable transmission,, work preferably, fatigue failure does not take place to guarantee steel cable so just require friction pulley that enough big size is arranged.Because sucker rod back and forth movement inertia is very big, when soft iron passes through near switch, turn to though switch sends signal control motor in addition, reality also can cause the distance of the each stroke of sucker rod greater than two switch rooms, causes the damage of parts in the well pump system.
The purpose of this utility model is to overcome the above-mentioned shortcoming that existing beam pumping unit, chain commutation type oil pumper, friction-type oil pumper etc. exist, a kind of high efficiency, low energy consumption are provided, both use, also applicable to the chain belt oil pumper of pumping viscous crude applicable to general oil field.
The chain belt oil pumper by be installed in motor on the chassis, be installed in the drive sprocket on the chassis in the pylon, driven sprocket and two directive wheels of being installed on the upper mounting plate form.One end of chain connects with the upper end of ballast box, and through driven sprocket, regulating wheel, the lower end of walking around drive sprocket and ballast box links, and constitutes the closed-loop of chain.Flexible band is hung around on two directive wheels, and the top of one end and ballast box is hinged, and the other end links to each other with sucker rod by polished rod eye.
Upper mounting plate and pylon are hinged, upper mounting plate and directive wheel can be dug together backward when well workover, and upper mounting plate connects with pylon is fastening with bolt when work.
One magnet is housed on ballast box, in pylon, is equipped with one near switch near the centre position.When motor rotates, ballast box with sucker rod do up (descending) or down (on) motion, when magnet passes through near switch, by send a signal near switch, it is a simple computer program of main computing and control assembly that this signal can trigger by single-chip microcomputer, is destination device by adjustment knob or other to set pulse number, can make this program controlled motor and make motor run to the pulse of fixed qty according to required stroke, when number of pulses reaches preset value, this program controlled motor signal changes, to counter-rotation, thereby make sucker rod make accurate linear reciprocating motion by the stroke of setting.
Motor drives drive sprocket work by shaft coupling, brake, reductor, drive the ballast box moving linearly by chain, driven sprocket again, the magnet that moves with ballast box is by near switch the time, provide the signal that motor changes rotation direction, like this gyration of motor is transformed into the straight reciprocating motion of ballast box, walk around two directive wheels with the flexibility band that the ballast box upper end is hinged, drive sucker rod by polished rod eye and do straight reciprocating motion, thereby reach the purpose of employing.
Described flexible band can be rubber strip, nylon tape, braid over braid, band steel band, band rope and wire rope group arranged side by side.
Also be provided with hydraulic hoist unit in polished rod eye, the instrument of can packing into is as required finished the test of indicator card.
Also on the oil pumper chassis, leave axle hole in addition, when carrying out operation such as well workover when the needs telephone-moving, available hydraulic jack up unit jack-up oil pumper, the roller of packing in axis hole is removed with finishing the back.
The utlity model has following excellent results: the running of chain belt oil pumper is steadily loaded shunting rationally, and wherein flexible band bears full load, and chain only is subjected to very fraction load, so the chain life-span is long, impacts little.On the other hand, the motor power factor height, the electric motor starting electric current is little, and is energy-conservation good, and transfers ginseng simple, only carry out plate face knob just regulate can be independently, stepless change stroke, jig frequency.The main body of power train is installed in the below of oil pumper, and is easy to maintenance.Machine gravity is low, good stability.As long as dig upper mounting plate backward, just can abdicate the space of well workover during well workover.
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is the front view of the utility model oil pumper;
Fig. 2 is the A-A ' sectional view of oil pumper shown in Figure 1.
As shown in Figures 1 and 2, motor (17) drives drive sprocket (3) work by little shaft coupling (16), brake (15), reducer (14), big shaft coupling (13), and they together are installed on the master priming (1).
Driven sprocket (9), two directive wheels (21) are installed on the upper mounting plate (8) jointly, upper mounting plate (8) is hingedly mounted on the pylon (5), can dig backward, pylon (5) heavily fortified point directly is installed on the master priming (1), and by subchassis (2) by bearing diagonal (4) rigid support, fixed between the major-minor chassis with the bolt rigidity.Electric control box (18) is installed in master priming (1), splits both sides in pylon (5) with motor.
Chain (19) connects with the top of ballast box (6), walks around driven sprocket (9), and is hinged through the lower end of regulating wheel (7), drive sprocket (3) and ballast box (6).Flexible band (10) is walked around directive wheel (21), and passes through frictional drive between directive wheel, and an end connects with ballast box (6), and the other end and polished rod eye (20) link.
Magnet (11) is installed on ballast box (6), be equipped with one near switch (12) in the inboard close middle part of pylon (5), magnet moves with ballast box, when magnet passes through near switch, just send a signal near switch, one of this signal triggering can be the computer program of its main operational and control module by single-chip microcomputer etc., and this program just begins the pulse signal that motor sends is counted after receiving the signal of telecommunication.When count value reaches the stroke of sucker rod requirement in the actual production and jig frequency (this numerical value being inputed to this program by knob or other device) required pulse numerical value, just send turn signal to motor, sucker rod is moved back and forth, reach the stroke of oil pumper is accurately controlled.
Claims (7)
1, a kind of chain belt oil pumper, by the motor that is installed in (1) on the chassis (17), be installed in the drive sprocket (3) on the interior chassis of pylon (5) and be installed in driven sprocket (9) on the upper mounting plate (8), ballast box (6) and on magnet (11), pylon (5) on form near switch (12), it is characterized in that: described motor (17) is a stepless speed-regulating motor; Upper mounting plate (8) is gone up also has two directive wheels (21), and chain (19) is walked around driven sprocket (9) by ballast box (6) beginning, and through regulating wheel (7), the lower end of walking around drive sprocket (3) and ballast box (6) again links, and constitutes the closed-loop of chain; Flexible band (10) is hung around on two directive wheels (21), and the top of one end and ballast box (6) is hinged, and the other end links to each other with sucker rod by polished rod eye (20); Is one in the last installation of pylon (5) near switch (12).
2, a kind of chain belt oil pumper as claimed in claim 1, it is characterized in that: described motor (17) is the stepless speed-regulating motor of the positive and negative rotation of energy, per hour change number of times 〉=1000 time, brake (15) is housed on its output shaft, has little shaft coupling of rubber-tyred (16) and big shaft coupling (13) with tapered sleeve locking.
3, a kind of chain belt oil pumper as claimed in claim 1 or 2 is characterized in that: described flexible band (10) can be rubber strip, nylon tape, braid over braid, band steel band, band rope and wire rope group arranged side by side.
4, a kind of chain belt oil pumper as claimed in claim 1 or 2, it is characterized in that: polished rod eye is equipped with hydraulic hoist unit in (20).
5, a kind of chain belt oil pumper as claimed in claim 1 or 2, it is characterized in that: described upper mounting plate (8) is hingedly mounted on the pylon (5).
6, a kind of chain belt oil pumper as claimed in claim 1 or 2, it is characterized in that: described chassis is a split-type structural, also include a subchassis (2), become rigid body with chassis (1) by Bolt Connection, subchassis (2) carries out rigid support by bearing diagonal (4) to pylon (5), and (1) opposite side relative with motor is equipped with electric control box (18) on the chassis.
7, a kind of chain belt oil pumper as claimed in claim 1 or 2 is characterized in that: leave axle hole (22) on described chassis (1) and the subchassis (2), pack in axis hole roller bearing and roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01248905 CN2491601Y (en) | 2001-07-27 | 2001-07-27 | Chain belt pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01248905 CN2491601Y (en) | 2001-07-27 | 2001-07-27 | Chain belt pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2491601Y true CN2491601Y (en) | 2002-05-15 |
Family
ID=33659440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01248905 Expired - Fee Related CN2491601Y (en) | 2001-07-27 | 2001-07-27 | Chain belt pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2491601Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894752A (en) * | 2018-07-11 | 2018-11-27 | 胜利油田高原石油装备有限责任公司 | A kind of chain drive pumping unit speed change controllable system and working method |
| CN111810089A (en) * | 2020-06-19 | 2020-10-23 | 合立智能装备有限责任公司 | Automatic stepless speed regulation vertical oil pumping machine and automatic stepless speed regulation control method of oil pumping machine |
| CN112593900A (en) * | 2020-12-29 | 2021-04-02 | 大庆丹诺石油科技开发有限公司 | Tower type oil pumping unit |
-
2001
- 2001-07-27 CN CN 01248905 patent/CN2491601Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894752A (en) * | 2018-07-11 | 2018-11-27 | 胜利油田高原石油装备有限责任公司 | A kind of chain drive pumping unit speed change controllable system and working method |
| CN111810089A (en) * | 2020-06-19 | 2020-10-23 | 合立智能装备有限责任公司 | Automatic stepless speed regulation vertical oil pumping machine and automatic stepless speed regulation control method of oil pumping machine |
| CN112593900A (en) * | 2020-12-29 | 2021-04-02 | 大庆丹诺石油科技开发有限公司 | Tower type oil pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |