CN201141354Y - Single-crank non-beam pumping unit - Google Patents
Single-crank non-beam pumping unit Download PDFInfo
- Publication number
- CN201141354Y CN201141354Y CNU2007201573171U CN200720157317U CN201141354Y CN 201141354 Y CN201141354 Y CN 201141354Y CN U2007201573171 U CNU2007201573171 U CN U2007201573171U CN 200720157317 U CN200720157317 U CN 200720157317U CN 201141354 Y CN201141354 Y CN 201141354Y
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- CN
- China
- Prior art keywords
- crank
- pumping unit
- motor
- mining
- speed reducer
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- Expired - Fee Related
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Abstract
The utility model provides a single crank non-beam pumping unit which belongs to the petroleum equipment field and is used for mining the oil and natural gas fields, the water pumping and gas mining of the coal seam gas or the ground drive devices used for lifting liquids. The single crank non-beam pumping unit is characterized in that a crank is mounted on the motor side of the pumping unit; the crank is connected with a flexible belt directly; the flexible belt is connected with a well port polished rod through a sheave wheel mounted on the top end of a bracket to realize the up-down reciprocating movements of the suspension point; a single crank is adopted by the crank balance structure to fulfill the requirement of mining the shallower coal seam gas; a speed adjusting mechanism can be constructed by the connection of a governor and a gear box or the connection of a speed regulation motor and a gear box to realize the speed regulation range of 0-15 times/min; the structure that the balance weight position of the crank can be adjusted continuously is adopted to realize the better balance of the pumping unit so that the application range of the pumping unit is extended; the single crank non-beam pumping unit has the advantages of simple structure of the pumping unit, light weight and high reliability.
Description
Technical field
The utility model relates to a kind of oil, coal-bed gas exploitation or other and needs the surface drive in the industrial field of lifting liquid; Be applicable to bar lifting technology system.
Technical background
Along with deepening continuously of China's oil field development, coal-bed gas exploitation, oil field and coal-bed gas exploitation constantly increase the demand of small-sized pumping unit, and the application of small-sized pumping unit (suction engine) is more and more, has occupied critical role in market.At present, most of small-sized pumping units just adopt and essentially identical structure of large-scale pumping unit and design method, its weight is bigger than normal, the speed reducer velocity ratio is less than normal, can not realize stepless speed regulation, balance sysmte is regulated difficulty, and manufacture cost is higher, cause low load with strong power, can not satisfy oil field development and coal-bed gas exploitation demand small-sized pumping unit.
Summary of the invention
In order to overcome the deficiency of existing small-sized pumping unit, the utility model provides a kind of single crank non-beam beam-pumping unit, this pumping unit directly drives flexible band by crank and realizes commutation, walking beam and connecting rod have been cancelled, thereby simplified transmission system greatly, to satisfy the small-sized pumping unit of oil field and coal-bed gas exploitation needs.
The technological scheme that its technical problem that solves the utility model adopts is a kind of single crank non-beam beam-pumping unit of exploitation, comprise rope hanger, support, drive motor, drivign belt, speed reducer, base, crank, crank counterbalance, flexible band, head sheave, connect speed reducer by drive motor, the output shaft connecting crank of speed reducer, balancer weight is installed on the crank, and crank is installed in a side of motor, crank directly connects and drives flexibility to be with, flexible band connects and the driving wellhead polish rod by the head sheave that is installed in cantilever tip, promptly directly drive flexible band and realize commutation by crank, cancel the walking beam and the connecting rod of conventional pumping unit, provided a kind of new reversing arrangement.Adopt the transmission system of motor-band transmission-mechanical governor-retarder, the two ends that are mechanical governor connect motor and retarder respectively, this transmission system has realized that the mechanical speed governors system can satisfy the needs of small-sized oil pumping unit reduction gearbox output torque than big speed ratio and the continuously adjustable requirement of jig frequency.Simultaneously, simplify electrical system, improved the reliability of system, improved system effectiveness.Above-mentioned transmission system is if the configuration speed-adjustable motor with realizing wider speed governing requirement, for coal-bed gas exploitation, is significant.Designed and moved the suspension point mode of stepping down behind the complete machine, pumping unit gets out of the way the needs of well head in the time of can satisfying the pumping well operation.
The utility model is realized commutation owing to adopt crank directly to drive flexible band, walking beam and connecting rod have been cancelled, simplified transmission system, dwindled the pumping unit size, the pumping unit floor space reduces, the installation gross weight reduces, and the employing speed regulator connects with speed reducer or speed-adjustable motor connects the big velocity ratio of forming of speed regulating mechanism realization with speed reducer, and jig frequency is adjustable continuously; The crank counterbalance position can be adjusted continuously: manufacture cost reduces.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the typical structure front view of the single crank non-beam beam-pumping unit that proposes according to the utility model.Adopt preposition motor, common speed reducer and four leg supports, the mode that complete machine is stepped down.
Fig. 2 is the typical structure left view of the single crank non-beam beam-pumping unit that proposes according to the utility model.
Fig. 3 is the typical structure plan view of the single crank non-beam beam-pumping unit that proposes according to the utility model.
1. rope hangers among the figure, 2. support, 3. drive motor, 4. drivign belt, 5. speed reducer, 6. base, 7. crank, 8. crank counterbalance, 9. flexibility band, 10. head sheave.
Embodiment
Embodiment shown in Fig. 1 is that motor 3-driving belt 4-reducer arrangement 5 drives crank 7 rotations, drive suspension point and pump by crank pin-connection bearing-flexibility band 9-head sheave 10, physical dimension is through optimal design, and the position of crank counterbalance 8 can be adjusted continuously.This pumping unit carries out the stroke adjustment by the selection of crank hole, adjusts jig frequency by stepless speed variator, can realize the step-less adjustment that level, jig frequency are arranged of stroke.This pumping unit is selected four leg supports for use, and good stability is simple in structure.
In Fig. 1, support 2 is chosen as multiple structural types such as four legs, three legs; Speed reducer 5 is chosen as various ways such as common speed reducer, speed governing speed reducer, big speed ratio speed reducer; Motor 3 is arranged optional collapsible, the multiple arrangement of expansion; Suspension point is stepped down and is moved behind the optional complete machine, the multiple mode of folding rack; Drive motor 3 has various ways such as conventional motor, speed-adjustable motor, the special-purpose drive motor of pumping unit.
Claims (3)
1. single crank non-beam beam-pumping unit, comprise rope hanger, support, drive motor, drivign belt, speed reducer, base, crank, crank counterbalance, flexible band, head sheave, adopt the transmission system of motor-band transmission-mechanical governor-retarder, connect speed reducer by drive motor, the output shaft connecting crank of speed reducer, balancer weight is installed on the crank, it is characterized in that crank being installed in a side of motor, crank directly connects and drives flexible band, and flexibility is with by the head sheave connection that is installed in cantilever tip and is driven wellhead polish rod.
2. single crank non-beam beam-pumping unit according to claim 1 is characterized in that said support is three leg supports.
3. single crank non-beam beam-pumping unit according to claim 1 is characterized in that said support is four leg supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201573171U CN201141354Y (en) | 2007-11-16 | 2007-11-16 | Single-crank non-beam pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201573171U CN201141354Y (en) | 2007-11-16 | 2007-11-16 | Single-crank non-beam pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201141354Y true CN201141354Y (en) | 2008-10-29 |
Family
ID=40069067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201573171U Expired - Fee Related CN201141354Y (en) | 2007-11-16 | 2007-11-16 | Single-crank non-beam pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201141354Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892816A (en) * | 2010-06-29 | 2010-11-24 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Crank non-beam pumping unit |
| CN102220853A (en) * | 2010-04-13 | 2011-10-19 | 河南长江石油机械有限公司 | Asymmetrically operated non-beam coal bed gas sampling method and device |
| CN103758488A (en) * | 2014-01-03 | 2014-04-30 | 张学海 | Flexible-beam pumping unit |
-
2007
- 2007-11-16 CN CNU2007201573171U patent/CN201141354Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220853A (en) * | 2010-04-13 | 2011-10-19 | 河南长江石油机械有限公司 | Asymmetrically operated non-beam coal bed gas sampling method and device |
| CN101892816A (en) * | 2010-06-29 | 2010-11-24 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Crank non-beam pumping unit |
| CN103758488A (en) * | 2014-01-03 | 2014-04-30 | 张学海 | Flexible-beam pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20091216 |