CN204591232U - Walking beam hydraulic-driven balance oil extractor - Google Patents
Walking beam hydraulic-driven balance oil extractor Download PDFInfo
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- CN204591232U CN204591232U CN201520271319.8U CN201520271319U CN204591232U CN 204591232 U CN204591232 U CN 204591232U CN 201520271319 U CN201520271319 U CN 201520271319U CN 204591232 U CN204591232 U CN 204591232U
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- oil
- hydraulic
- rack cylinder
- walking beam
- way valve
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Abstract
The utility model discloses a kind of walking beam hydraulic-driven balance oil extractor, comprise horse head, the walking beam fixing with horse head and drive unit, drive unit comprises hydraulic pressure rack cylinder, with the gear of the dentation piston rod engaged transmission of hydraulic pressure rack cylinder, the hydraulic system of hydraulic control rack cylinder action, fix in the middle part of gear and walking beam, hydraulic system comprises hydraulic pump, hydraulic pump oil-out is connected with the first one way valve, first one way valve oil-out connects working oil chamber and the balance oil pocket of hydraulic pressure rack cylinder respectively, the oil circuit that first one way valve leads to hydraulic pressure rack cylinder working oil chamber is provided with solenoid operated directional valve, first one way valve lead to hydraulic pressure rack cylinder balance oil pocket oil circuit on parallel connection be provided with accumulator.The utility model adopts hydraulic pressure rack cylinder to drive walking beam swing and realize sucker rod oscilaltion, movement velocity is easy to adjust, accumulator energy active balance beam-pumping unit sucker rod move up and down in process from heavy duty, make oil pumper only do useful work motion, thus saved plant capacity loss.
Description
Technical field
The utility model relates to a kind of walking beam hydraulic-driven balance oil extractor.
Background technology
In existing walking beam drive-type oil pumper, drive sucker rod swings up and down and extracts the walking beam dependence mechanical driven of crude oil, motor by belt transmission after reductor, walking beam is driven to swing through linkage again, adopt weights balance when walking beam swings up and down, in use procedure, link is many, efficiency is low, creates more idle work, cause energy ezpenditure excessive, be unfavorable for saving energy and reduce the cost, reducing equipment use cost; Moreover this pure mechanical drive mechanism, the swing speed of walking beam cannot independently regulate, and generally can only realize by regulating motor speed, the integrally-built complexity of oil pumper certainly will be caused thus loaded down with trivial details, also the corresponding inconvenience that improve post facility working service.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, provide a kind of movement velocity easy to adjust, reduce idle work loss, be conducive to the walking beam hydraulic-driven balance oil extractor of saving energy and reduce the cost.
The utility model solves the technical scheme that its technical problem adopts: a kind of walking beam hydraulic-driven balance oil extractor, comprise the horse head of the sucker rod lifting driving oil pumper, the walking beam fixed with horse head and the drive unit driving walking beam to swing, described drive unit comprises the hydraulic pressure rack cylinder with working oil chamber and balance oil pocket, with the gear of the dentation piston rod engaged transmission of hydraulic pressure rack cylinder, the hydraulic system of hydraulic control rack cylinder action, fix in the middle part of gear and walking beam, described hydraulic system comprises by motor-driven hydraulic pump, the oil-out of hydraulic pump is connected with the first one way valve, the oil-out of the first one way valve is connected to working oil chamber and the balance oil pocket of hydraulic pressure rack cylinder respectively, the oil circuit that first one way valve leads to hydraulic pressure rack cylinder working oil chamber is provided with the solenoid operated directional valve in hydraulic control rack cylinder movement velocity and direction, the in parallel accumulator being provided with hydraulic control rack cylinder load balance on the oil circuit leading to hydraulic pressure rack cylinder balance oil pocket at the first one way valve, be provided with in the movement locus of sucker rod monitoring sucker rod move up and down pole location and control solenoid operated directional valve commutation proximity switch.
Described motor is connected by shaft coupling with between hydraulic pump, shaft coupling is coated with bell cover.
Further, the oil circuit that the first described one way valve leads to hydraulic pressure rack cylinder balance oil pocket is provided with the second one way valve, and the oil inlet end of accumulator is connected in the second one way valve oil-out and leads on the oil circuit of hydraulic pressure rack cylinder balance oil pocket.
For guaranteeing the safe operation of hydraulic circuit, in parallelly on the oil circuit that the first described one way valve oil-out leads to solenoid operated directional valve be provided with the overflow valve limiting this oil circuit operating pressure.
Specifically, described proximity switch comprises the top switch of motion limit on monitoring sucker rod and the bottom switch of motion limit under monitoring sucker rod.
The beneficial effects of the utility model are: the utility model adopts hydraulic pressure rack cylinder drive walking beam to swing and realize sucker rod oscilaltion extraction crude oil, movement velocity is easy to adjust, accumulator energy active balance beam-pumping unit sucker rod move up and down produce in process from heavy duty, make oil pumper only do useful work motion, thus save plant capacity loss.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural principle schematic diagram of the present utility model.
1. horse head 2. walking beam 3. hydraulic pressure rack cylinder 4. dentation piston rod 5. gear 6. motor 7. hydraulic pump 8. first one way valve 9. solenoid operated directional valve 10. accumulator 11-1. top switch 11-2. bottom switch 12. shaft coupling 13. bell cover 14. second one way valve 15. overflow valves in figure
Detailed description of the invention
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of walking beam hydraulic-driven balance oil extractor as shown in Figure 1, comprise the horse head 1 of the sucker rod lifting driving oil pumper, walking beam 2 and drive unit, fix in the middle part of walking beam 2 and horse head 1, described drive unit has hydraulic pressure rack cylinder 3, the hydraulic system of gear 5 and hydraulic control rack cylinder 3 action, fix in the middle part of gear 5 and walking beam 2, hydraulic pressure rack cylinder 3 has four groups of oil pockets, two groups is working oil chamber, two groups is balance oil pocket, the power that two groups of working oil chamber pressure provides horse head 1 to rise and decline respectively, two groups of oil pocket pressure of being wherein connected with accumulator 10 of balance oil pocket provide horse head 1 equilibrant force upwards all the time.All be connected to dentation piston rod 4 between two groups of working oil chambers, two groups of balance oil pockets, gear 5 between described working oil chamber and balance oil pocket and with two rooted tooth shape piston rods 4 engaged transmission respectively.
Described hydraulic system comprises the hydraulic pump 7 driven by motor 6, is connected between motor 6 with hydraulic pump 7 by shaft coupling 12, shaft coupling 12 is coated with bell cover 13, the oil-out of hydraulic pump 7 is connected with the first one way valve 8, the oil-out of the first one way valve 8 is connected to working oil chamber and the balance oil pocket of hydraulic pressure rack cylinder 3 respectively, lead on the oil circuit of hydraulic pressure rack cylinder 3 working oil chamber at the first one way valve 8, be provided with the solenoid operated directional valve 9 in hydraulic control rack cylinder 3 movement velocity and direction, lead on oil circuit that hydraulic pressure rack cylinder 3 balances oil pocket at the first one way valve 8 and be provided with the second one way valve 14, the oil-out of the second one way valve 14 is connected to the balance oil pocket on the right side of hydraulic pressure rack cylinder 3, and the balance oil pocket in left side is connected with fuel tank is with no pressure, lead on the oil circuit of hydraulic pressure rack cylinder 3 right hand balance oil pocket at the second one way valve 14, parallel connection is provided with the accumulator 10 of hydraulic control rack cylinder 3 load balance, the punching press accumulation of energy of accumulator 10, can be entered in accumulator 10 through the second one way valve 14 by the work fluid of hydraulic pump 7.
In parallelly on the oil circuit that first one way valve 8 oil-out leads to solenoid operated directional valve 9 be provided with the overflow valve 15 limiting this oil circuit operating pressure, serve good safeguard protection effect by overflow valve 15 pairs of hydraulic circuits.
In the movement locus of sucker rod, be provided with monitoring sucker rod to move up and down pole location and control the proximity switch that solenoid operated directional valve 9 commutates, described proximity switch comprises the bottom switch 11-2 of motion limit under the top switch 11-1 of motion limit on monitoring sucker rod and monitoring sucker rod.
In the utility model, hydraulic pump 7 provides the operating pressure of two working oil chambers of hydraulic pressure rack cylinder 3, and accumulator 10 carrys out balanced load by the energy-storage pressure of a balance oil pocket of hydraulic pressure rack cylinder 3; And the first one way valve 8 is for the reverse cut-off of hydraulic pump 7 outlet pressure oil, the reverse cut-off of the outlet pressure oil that the second one way valve 14 provides energy-storage pressure to keep for hydraulic pump 7.When oil pumper needs to stop, only needing the left and right electromagnet dead electricity making solenoid operated directional valve 9.
By regulating the opening amount of solenoid operated directional valve 9 in motion process, carrying out the fuel delivery of regulator solution press pump 7 to hydraulic pressure rack cylinder 3 liang group working oil chamber, thus realizing the adjustment of horse head 1 rising and decrease speed.
The course of work is summarized as follows: motor 6 is energized, and drives hydraulic pump 7 to export high pressure oil, and through the second one way valve 14 to accumulator 10 punching press accumulation of energy and to the balance oil pocket pressurization on the right side of hydraulic pressure rack cylinder 3, then the balance accumulation of energy of oil pumper completes.Equipment starts automatic operation mode, obtain electric on the right side of solenoid operated directional valve 9, hydraulic oil enters into working oil chamber on the left of hydraulic pressure rack cylinder 3, promotion dentation piston rod 4 moves to right and driven gear 5 rotates counterclockwise, horse head 1 drives sucker rod to rise, when sucker rod moves to triggering top switch 11-1, obtain electric on the left of solenoid operated directional valve 9, hydraulic oil enters into working oil chamber on the right side of hydraulic pressure rack cylinder 3, promotion dentation piston rod 4 moves to left and driven gear 5 rotates clockwise, walking beam 1 drives sucker rod to decline, when sucker rod moves to triggering bottom switch 11-2, obtain electric on the right side of solenoid operated directional valve 9, sucker rod rises, the periodically counter motion of such two working oil chambers, continuous promotion sucker rod rises, decline and extract crude oil.And sucker rod rise and decline process in have simultaneously balanced by accumulator 10 from heavy duty, balance the oil pocket volume pressure that diminishes in addition in horse head 1 decline process to increase, accumulator 10 stores energy, the commutate balance oil pocket volume that to decline in horse head 1 uphill process of electromagnetic valve 9 becomes large pressure and reduces, and accumulator 10 releases energy, the equipment that the balances equipment simultaneously that does work only does useful work motion, has saved plant capacity loss.
Above-mentioned embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (5)
1. a walking beam hydraulic-driven balance oil extractor, comprise the horse head (1) of the sucker rod lifting driving oil pumper, the walking beam (2) fixing with horse head (1) and the drive unit driving walking beam (2) to swing, it is characterized in that: described drive unit comprises the hydraulic pressure rack cylinder (3) with working oil chamber and balance oil pocket, with the gear (5) of dentation piston rod (4) engaged transmission of hydraulic pressure rack cylinder (3), the hydraulic system of hydraulic control rack cylinder (3) action, gear (5) is fixing with walking beam (2) middle part, described hydraulic system comprises the hydraulic pump (7) driven by motor (6), the oil-out of hydraulic pump (7) is connected with the first one way valve (8), the oil-out of the first one way valve (8) is connected to working oil chamber and the balance oil pocket of hydraulic pressure rack cylinder (3) respectively, the oil circuit that first one way valve (8) leads to hydraulic pressure rack cylinder (3) working oil chamber is provided with the solenoid operated directional valve (9) in hydraulic control rack cylinder (3) movement velocity and direction, on the oil circuit leading to hydraulic pressure rack cylinder (3) balance oil pocket at the first one way valve (8), parallel connection is provided with the accumulator (10) of hydraulic control rack cylinder (3) load balance, in the movement locus of sucker rod, be provided with monitoring sucker rod to move up and down pole location and control the proximity switch that solenoid operated directional valve (9) commutates.
2. walking beam hydraulic-driven balance oil extractor according to claim 1, it is characterized in that: described motor (6) is connected by shaft coupling (12) with between hydraulic pump (7), shaft coupling (12) is coated with bell cover (13).
3. walking beam hydraulic-driven balance oil extractor according to claim 1, it is characterized in that: the oil circuit that described the first one way valve (8) leads to hydraulic pressure rack cylinder (3) balance oil pocket is provided with the second one way valve (14), the oil inlet end of accumulator (10) is connected in the second one way valve (14) oil-out and leads on the oil circuit of hydraulic pressure rack cylinder (3) balance oil pocket.
4. walking beam hydraulic-driven balance oil extractor according to claim 1, is characterized in that: in parallelly on the oil circuit that described the first one way valve (8) oil-out leads to solenoid operated directional valve (9) be provided with the overflow valve (15) limiting this oil circuit operating pressure.
5. walking beam hydraulic-driven balance oil extractor according to claim 1, is characterized in that: described proximity switch comprises the top switch (11-1) of motion limit on monitoring sucker rod and monitors the bottom switch (11-2) of motion limit under sucker rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271319.8U CN204591232U (en) | 2015-04-29 | 2015-04-29 | Walking beam hydraulic-driven balance oil extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271319.8U CN204591232U (en) | 2015-04-29 | 2015-04-29 | Walking beam hydraulic-driven balance oil extractor |
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| Publication Number | Publication Date |
|---|---|
| CN204591232U true CN204591232U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520271319.8U Active CN204591232U (en) | 2015-04-29 | 2015-04-29 | Walking beam hydraulic-driven balance oil extractor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187323A (en) * | 2017-07-07 | 2017-09-22 | 沙尔夫矿山机械（徐州）有限公司 | A kind of super capacitor rack rails clamp rail landscape small fire Main Engine |
| CN109026510A (en) * | 2018-09-28 | 2018-12-18 | 天津尚吉液压设备有限公司 | Swinging electricity generator |
| CN110608016A (en) * | 2019-10-29 | 2019-12-24 | 盘锦宏海石油装备有限公司 | Beam type balance energy-saving oil pumping machine |
-
2015
- 2015-04-29 CN CN201520271319.8U patent/CN204591232U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187323A (en) * | 2017-07-07 | 2017-09-22 | 沙尔夫矿山机械（徐州）有限公司 | A kind of super capacitor rack rails clamp rail landscape small fire Main Engine |
| CN109026510A (en) * | 2018-09-28 | 2018-12-18 | 天津尚吉液压设备有限公司 | Swinging electricity generator |
| CN109026510B (en) * | 2018-09-28 | 2024-04-12 | 天津尚吉液压设备有限公司 | Swing power generation device |
| CN110608016A (en) * | 2019-10-29 | 2019-12-24 | 盘锦宏海石油装备有限公司 | Beam type balance energy-saving oil pumping machine |
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