CN201614917U - Walking-beam pumping unit - Google Patents
Walking-beam pumping unit Download PDFInfo
- Publication number
- CN201614917U CN201614917U CN2009202456367U CN200920245636U CN201614917U CN 201614917 U CN201614917 U CN 201614917U CN 2009202456367 U CN2009202456367 U CN 2009202456367U CN 200920245636 U CN200920245636 U CN 200920245636U CN 201614917 U CN201614917 U CN 201614917U
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- pumping unit
- cylinder sleeve
- walking
- controller
- beam pumping
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Abstract
The utility model relates to a walking-beam pumping unit, which includes a walking-beam (1), a bracket (6) connected with the walking-beam, and a crankshaft and connecting rod mechanism (3) hinged with the tail end of the walking-beam, wherein the crankshaft and connecting rod mechanism (3) is driven by an electric motor (4). The utility model is characterized in that the walking-beam pumping unit further includes a buffering system which includes a buffering clash assembly, an impact sensor (24) and a controller (9), wherein the buffering clash assembly is mounted between the walking-beam (1) and the bracket (6), and includes a stressed platform (7) and a buffering cylinder (11); and the controller (9) can control the buffering cylinder (11) to contact with the stressed platform (7) according to the signals of the impact sensor (24). The utility model solves the technical problem that the present walking-beam pumping unit is easy to deform and break when meeting larger impact force, and the whole system is damaged and cannot run; and the utility model has the advantages of buffering, damage reduction, simple structure, convenient use, etc.
Description
Technical field
The utility model relates to a kind of beam pumping unit.
Background technology
Existing beam pumping unit is owing to lack buffer system, polished rod disconnects, when walking beam is subjected to bigger impact force when coming off with regard to easy deformation, fracture.Meeting causes to whole system and damages and can not normally move.Therefore when the design beam pumping unit, just consider that also polished rod disconnects, comes off to the impact of beam-pumping unit system, increased the cost of making accordingly.
Summary of the invention
In order to solve existing beam pumping unit walking beam easy deformation, fracture when being subjected to bigger impact force.Cause the technical problem of damaging and can not moving to whole system, the utility model provides a kind of and has disconnected, comes off at the beam pumping unit polished rod or during the serious disequilibrium of walking beam, can reduce the beam pumping unit to the infringement of oil pumper.
Technical solution of the present utility model:
A kind of beam pumping unit, the support 6 that comprise walking beam 1, is connected with walking beam and with the terminal hinged crank-link mechanism 3 of walking beam, described crank-link mechanism 3 is driven by motor 4, it is characterized in that: described beam pumping unit also comprises buffer system, described buffer system comprises buffering head-on collision assembly, shock transducer 24 and controller 9, described buffering head-on collision assembly is installed between walking beam 1 and the support 6, it comprises stressed platform 7 and cushion dashpot 11, and described controller 9 can contact with stressed platform 7 according to the signal controlling cushion dashpot 11 of shock transducer 24.
Above-mentioned cushion dashpot 11 comprises cylinder sleeve 2, motor 14 and the lead screw pair 13 that is arranged on cylinder sleeve 2 inside, and described motor 14 is fixed on the support 6, and described controller 9 is arranged on the support 6, and it can be controlled motor 14; Be provided with the spring 12 that elastic force is provided to cylinder sleeve 2 between the termination of the screw of described lead screw pair 13 and cylinder sleeve 2 bottoms, described lead screw pair is driven by motor 14; Described stressed platform 7 is fixed on walking beam 1 bottom, and described shock transducer 24 is arranged on the walking beam 1.
Above-mentioned lead screw secondary 13 is trapezoidal lead screw pair.
Above-mentioned cushion dashpot 11 comprises cylinder sleeve 2, is arranged on the piston rod that has piston ring 25 26 of cylinder sleeve 2 inside and is arranged in the cylinder sleeve 2 and the shock transducer 24, controller 9 and the gas generator 21 that connect successively, between described piston rod 26 and cylinder sleeve 2 bottoms is piston chamber 22, described controller 9 can contact with stressed platform 7 according to the piston rod 26 of the signal controlling cushion dashpot 11 of shock transducer 24, described stressed platform 7 is fixed on the support 6, and the cylinder sleeve 2 of described cushion dashpot 11 is fixed on the walking beam bottom.
Above-mentioned described controller 9 can be according to the break-make of the signal controlling motor 4 of shock transducer 24.
Above-mentioned described beam pumping unit also comprises warning device 10, and described controller 9 links to each other with warning device 10.
The advantage that the utility model has with respect to prior art:
1, the utility model is provided with shock transducer and buffer system, can reach the effect of buffering, reduces the damage to oil pumper.
2, the utility model is easy to use, can reply dependable performance, long service life after the ejection voluntarily.When buffer system of the present utility model adopts electronic buffer system, cylinder sleeve will be acted on the stressed platform by the secondary spring buffer parts that screw out of trapezoidal lead screw when the walking beam impact force reaches certain value, thereby reach the effect of buffering, easy to use, and dependable performance, cause oil pumper to prolong application life.
3, the utility model is simple in structure, practicality, and cost is low, and is easy for installation.When buffer system of the present utility model adopted the pneumatic buffer system, the gas generator point was fought and is produced a large amount of gases and piston rod is released acted on the effect that stressed platform reaches buffering, and simple in structure, practicality and cost are low, and be easy for installation.
Description of drawings
Fig. 1 is first kind of example structure schematic diagram of utility model;
Fig. 2 is the buffer system structural representation of first kind of embodiment of this practical sexual type;
Fig. 3 is the schematic diagram after the buffer system of first kind of embodiment of this practical sexual type screws out;
Fig. 4 is the overall schematic after the buffer system of first kind of embodiment of the utility model screws out;
Fig. 5 second kind of example structure schematic diagram of the present utility model;
Fig. 6 plants the buffer system structural representation for second embodiment of the present utility model.
Wherein: 1-walking beam, 2-cylinder sleeve, 3-crank-link mechanism, the 4-motor, 5 bases, 6-support, the stressed platform of 7-, 9-controller, 10-warning device, the 11-cushion dashpot, 12-spring, 13-lead screw pair, the 14-motor, 21-gas generator, 22-piston chamber, the 24-shock transducer, 25-piston ring, 26-piston rod.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, first kind of beam pumping unit of the present utility model, comprise walking beam 1, the support 6 that is connected with walking beam, buffer system and with the terminal hinged crank-link mechanism 3 of walking beam, crank-link mechanism 3 is driven by motor 4, beam pumping unit also comprises, buffer system comprises buffering head-on collision assembly, shock transducer 24 and controller 9, buffering head-on collision assembly comprises stressed platform 7 and cushion dashpot 11, cushion dashpot 11 comprises cylinder sleeve 2, motor 14 and the lead screw pair 13 that is arranged on cylinder sleeve 2 inside, motor 14 is fixed on the support 6, controller 9 is arranged on the support 6, and it can be controlled motor 14; Be provided with the spring 12 that elastic force is provided to cylinder sleeve 2 between the termination of the screw of lead screw pair 13 and cylinder sleeve 2 bottoms, the lead screw pair is driven by motor 14; Stressed platform 7 is fixed on walking beam 1 bottom, shock transducer 24 is arranged on the walking beam 1, cushion dashpot 11 is installed in support 6, stressed platform 7 and cushion dashpot 11 relative installations, controller 9 can contact with stressed platform 7 according to the signal controlling cushion dashpot 11 of shock transducer 24, thereby supports the crossbeam of the right whereabouts of gentle conflict; The secondary 13 optional trapezoidal lead screw pairs of lead screw.
The course of work of first kind of beam pumping unit: a stressed platform and a shock transducer are installed at beam pumping unit walking beam rear portion, be provided with the lead screw pair in the cylinder sleeve of cushion dashpot, be provided with spring between the nut upper end of lead screw pair and the cylinder sleeve bottom, the lower end and the motor coaxle of lead screw pair are connected, and motor is fixed on the support.Shock transducer sends control signal when the walking beam buckles reaches certain value, after controller receives the signal of shock transducer and handles, the control motor screws out the nut of lead screw pair rapidly, as shown in Figure 3, Figure 4, nut slowly ejects cylinder sleeve by its front springs, cylinder sleeve after ejecting and stressed platform action, the purpose of just can reach buffering, slowing down, disconnect the damage that comes off system is brought to reduce the beam pumping unit polished rod.Can be after the method ejects by Artificial Control with its return or the self-return after several seconds that moves, easy to use.
Referring to Fig. 5, Fig. 6, second kind of beam pumping unit of the present utility model, comprise walking beam 1, the support 6 that is connected with walking beam, buffer system and with the terminal hinged crank-link mechanism 3 of walking beam, crank-link mechanism 3 is driven by motor 4, buffer system comprises buffering head-on collision assembly, shock transducer 24 and controller 9, buffering head-on collision assembly comprises stressed platform 7 and cushion dashpot 11, cushion dashpot 11 comprises cylinder sleeve 2, be arranged on the piston rod that has piston ring 25 26 of cylinder sleeve 2 inside and be arranged in the cylinder sleeve 2 and the shock transducer 24 that connects successively, controller 9 and gas generator 21, between piston rod 26 and cylinder sleeve 2 bottoms is piston chamber 22, stressed platform 7 is fixed on the support 6, the cylinder sleeve 2 of cushion dashpot 11 is fixed on the walking beam bottom, stressed platform 7 and cushion dashpot 11 relative installations, controller 9 can contact with stressed platform 7 according to the piston rod 26 of the signal controlling cushion dashpot 11 of shock transducer 24, thereby supports the right crossbeam that falls of gentle conflict.
The course of work of second kind of beam pumping unit: shock transducer sends ignition signal to trigger controller when the walking beam buckles reaches certain value, controller receives the signal of shock transducer and handles, when its judgement is necessary to open, send ignition signal immediately to trigger gas generator, after gas generator receives ignition signal, point is fought and produce a large amount of gases in piston chamber rapidly, the pressure of piston chamber increases releases piston rod, piston rod acts on stressed platform after ejecting, thereby reach buffering, the purpose of slowing down, disconnect the damage that comes off system is brought to reduce the beam pumping unit polished rod.When piston rod did not have At time of eject walking beam rear end in least significant end, top and stressed platform had certain clearance under the piston rod, and the operate as normal of oil pumper is not had influence.Cushion dashpot action back only needs replacing gas generator and shock transducer reusable.
More than the controller 9 of two kinds of beam pumping units also can be according to the break-make of the signal controlling motor 4 of shock transducer 24.If necessary, also warning device can be set, drive warning device by controller 9 and report to the police synchronously.
Claims (6)
1. beam pumping unit, comprise walking beam (1), the support that is connected with walking beam (6) and with the terminal hinged crank-link mechanism (3) of walking beam, described crank-link mechanism (3) is driven by motor (4), it is characterized in that: described beam pumping unit also comprises buffer system, described buffer system comprises buffering head-on collision assembly, shock transducer (24) and controller (9), described buffering head-on collision assembly is installed between walking beam (1) and the support (6), it comprises stressed platform (7) and cushion dashpot (11), and described controller (9) can contact with stressed platform (7) according to the signal controlling cushion dashpot (11) of shock transducer (24).
2. beam pumping unit according to claim 1, it is characterized in that: described cushion dashpot (11) comprises cylinder sleeve (2), motor (14) and is arranged on the inner lead screw pair (13) of cylinder sleeve (2), described motor (14) is fixed on the support (6), described controller (9) is arranged on the support (6), and it can be controlled motor (14); Be provided with the spring (12) that elastic force is provided to cylinder sleeve (2) between the termination of the screw of described lead screw pair (13) and cylinder sleeve (2) bottom, described lead screw pair is driven by motor (14); Described stressed platform (7) is fixed on walking beam (1) bottom, and described shock transducer (24) is arranged on the walking beam (1).
3. beam pumping unit according to claim 2 is characterized in that: described lead screw pair (13) is trapezoidal lead screw pair.
4. beam pumping unit according to claim 1, it is characterized in that: described cushion dashpot (11) comprises cylinder sleeve (2), be arranged on the inner piston rod that has piston ring (25) (26) of cylinder sleeve (2) and be arranged in the cylinder sleeve (2) and the shock transducer (24) that connects successively, controller (9) and gas generator (21), between described piston rod (26) and cylinder sleeve (2) bottom is piston chamber (22), described controller (9) can contact with stressed platform (7) according to the piston rod (26) of the signal controlling cushion dashpot (11) of shock transducer (24), described stressed platform (7) is fixed on the support (6), and the cylinder sleeve (2) of described cushion dashpot (11) is fixed on the walking beam bottom.
5. according to claim 1 or 2 or 3 or 4 described beam pumping units, it is characterized in that: described controller (9) can be according to the break-make of the signal controlling motor (4) of shock transducer (24).
6. beam pumping unit according to claim 5 is characterized in that: described beam pumping unit also comprises warning device (10), and described controller (9) links to each other with warning device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202456367U CN201614917U (en) | 2009-12-04 | 2009-12-04 | Walking-beam pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202456367U CN201614917U (en) | 2009-12-04 | 2009-12-04 | Walking-beam pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201614917U true CN201614917U (en) | 2010-10-27 |
Family
ID=43001287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202456367U Expired - Fee Related CN201614917U (en) | 2009-12-04 | 2009-12-04 | Walking-beam pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201614917U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971622A (en) * | 2016-05-16 | 2016-09-28 | 安庆市峰邦工业产品设计有限公司 | Spring buffer impact limiting device of tunnel mucking loader |
| CN106437624A (en) * | 2015-08-10 | 2017-02-22 | 中国石油天然气股份有限公司 | Beam-pumping unit |
| CN110725670A (en) * | 2019-12-03 | 2020-01-24 | 山西省平遥减速器有限责任公司 | Buffer type floating installation device for motor of beam-pumping unit |
-
2009
- 2009-12-04 CN CN2009202456367U patent/CN201614917U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437624A (en) * | 2015-08-10 | 2017-02-22 | 中国石油天然气股份有限公司 | Beam-pumping unit |
| CN106437624B (en) * | 2015-08-10 | 2019-02-15 | 中国石油天然气股份有限公司 | Beam pumping unit |
| CN105971622A (en) * | 2016-05-16 | 2016-09-28 | 安庆市峰邦工业产品设计有限公司 | Spring buffer impact limiting device of tunnel mucking loader |
| CN110725670A (en) * | 2019-12-03 | 2020-01-24 | 山西省平遥减速器有限责任公司 | Buffer type floating installation device for motor of 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: 20101027 Termination date: 20101204 |