CN107387033B - Double rack type oil pumping machine - Google Patents
Double rack type oil pumping machine Download PDFInfo
- Publication number
- CN107387033B CN107387033B CN201710743884.3A CN201710743884A CN107387033B CN 107387033 B CN107387033 B CN 107387033B CN 201710743884 A CN201710743884 A CN 201710743884A CN 107387033 B CN107387033 B CN 107387033B
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- China
- Prior art keywords
- rack
- platform
- rollers
- lower platform
- wire rope
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 discloses a double-rack type oil pumping machine, which comprises a derrick, an upper platform and a lower platform, wherein the upper platform and the lower platform are arranged on the derrick, rollers are symmetrically arranged on the upper platform and the lower platform, the rollers on one side of the upper platform are connected with the rollers on the corresponding side of the lower platform through first steel wires, and the rollers on the other side of the upper platform are connected with the rollers on the corresponding side of the lower platform through second steel wires; the upper platform and the lower platform are symmetrically provided with a first sliding rail and a second sliding rail, one end of the first steel wire rope is connected with a first hanger, the other end of the first steel wire rope is connected with a first rack matched with the first sliding rail, one end of the second steel wire rope is connected with a second hanger, the other end of the second steel wire rope is connected with a second rack matched with the second sliding rail, the first rack and the second rack are meshed with a gear arranged between the first rack and the second rack, and the gear is connected to the motor through a reduction gearbox. The invention can finish the bidirectional oil extraction, improves the oil extraction efficiency, has simple structure, stable operation, safety and reliability, easy maintenance and low production cost.
Description
Technical Field
The invention relates to the field of pumping unit machinery, in particular to a double-rack pumping unit.
Background
The oil extraction device of the oil field is a pulse of the petroleum industry, and the oil pumping unit is a core component of the oil extraction device. The oil extraction site is mainly a beam pumping unit at present, and the bottoming efficiency is low and the stroke is short.
Disclosure of Invention
The invention aims to provide a double rack type oil pumping unit to solve the problems in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the double-rack type oil pumping machine comprises a derrick, an upper platform and a lower platform, wherein the upper platform and the lower platform are arranged on the derrick, two groups of rollers are symmetrically arranged on the upper platform, two rollers are symmetrically arranged on the lower platform, one group of rollers on one side of the upper platform are connected with one roller on the corresponding side of the lower platform through a first steel wire rope, and one group of rollers on the other side of the upper platform are connected with the other roller on the corresponding side of the lower platform through a second steel wire rope;
the bottom symmetry of upper platform is provided with first slide rail and second slide rail, and the free end of first slide rail and second slide rail alternates in the through-hole on lower platform, and first wire rope's one end is connected with first hanger, and the other end is connected with first rack with first slide rail complex, and second wire rope's one end is connected with the second hanger, and the other end is connected with second slide rail complex second rack, and first rack and second rack all with set up the gear engagement between the two, the gear is connected to the motor through the reducing gear box.
Further, a brake device for controlling the reduction gearbox to perform emergency braking is arranged on the lower platform.
Further, a telescopic device which can enable the table top of the lower platform to freely stretch and retract is arranged in the lower platform.
Further, each set of rollers on the upper deck comprises two rollers.
Further, the roller on the upper platform and the roller on the lower platform are respectively connected with the upper platform and the lower platform through the roller supporting frame.
Further, the first rack and the second rack are respectively connected with the first slide rail and the second slide rail through fixed rack slide rail wheels.
Further, the motor is connected with the reduction gearbox through a belt.
Further, the reduction gearbox is a few-differential-tooth reduction gearbox.
Further, the motor is a switched reluctance motor.
Compared with the prior art, the invention has the following beneficial technical effects:
when the invention works, the motor transmits power to the gear through the speed reduction of the gear box, the gear drives the first rack and the second rack meshed with the gear, and the direction of the symmetrical direction movement of the gear is opposite due to the mechanical structure of the gear, so that the stressed force and the direction can be transmitted to the first steel wire rope and the second steel wire rope through the movement of the first rack and the second rack by means of the principle, and then the first steel wire rope and the second steel wire rope respectively drive the first hanger and the second hanger to move up and down to finish the oil extraction action.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of FIG. 1;
fig. 3 is a schematic view of the gear and rack drive arrangement of the present invention.
Wherein: 1. a roller; 2. a roller support; 3. a first slide rail; 4. a first rack; 5. a first wire rope; 6. a gear; 7. a motor; 8. a belt; 9. a reduction gearbox; 10. a first hanger; 11. a derrick; 12. a second hanger; 13. a lower platform; 14. a fixed rack slide rail wheel; 15. a second rack; 16. a second wire rope; 17. a second slide rail; 18. and (5) a platform.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1 to 3, a double rack type pumping unit comprises a derrick 11, an upper platform 18 and a lower platform 13 which are arranged on the derrick 11, wherein two groups of rollers 1 are symmetrically arranged on the upper platform 18, each group of rollers 1 comprises two rollers, two rollers 1 are symmetrically arranged on the lower platform 13, the rollers 1 on the upper platform 18 and the rollers 1 on the lower platform 13 are respectively connected on the upper platform 18 and the lower platform 13 through roller support frames 2, one group of rollers 1 on one side of the upper platform 18 is connected with one roller 1 on the corresponding side of the lower platform 13 through a first steel wire rope 5, and the other group of rollers 1 on the other side of the upper platform 18 is connected with the other roller 1 on the corresponding side of the lower platform 13 through a second steel wire rope 16;
the bottom of the upper platform 18 is symmetrically provided with a first sliding rail 3 and a second sliding rail 17, the free ends of the first sliding rail 3 and the second sliding rail 17 are inserted into through holes on the lower platform 13, one end of a first steel wire rope 5 is connected with a first hanger 10, the other end of the first steel wire rope 5 is connected with a first rack 4 matched with the first sliding rail 3, one end of a second steel wire rope 16 is connected with a second hanger 12, the other end of the second steel wire rope 16 is connected with a second rack 15 matched with the second sliding rail 17, the first rack 4 and the second rack 15 are respectively connected with the first sliding rail 3 and the second sliding rail 17 through fixed rack rail wheels 14, the first rack 4 and the second rack 15 are meshed with a gear 6 arranged between the first rack 4 and the second rack 15, the gear 6 is connected to a motor 7 through a reduction gearbox 9, the motor 7 is connected with the reduction gearbox 9 through a belt 8, the reduction gearbox 9 is a small-difference gear reduction gearbox, the motor 7 is a switched reluctance motor, and the RSD system is designed to complete motor positive and negative rotation, so that the racks are reversed.
The operation of the present invention is described in detail below:
the main structure of the oil pumping machine is provided with a derrick 11, an upper platform 18 and a lower platform 13 are arranged on the derrick 11, a rectangular hole is needed to be cut in the middle of the lower platform 13 and used for fixing a first sliding rail 3, a second sliding rail 17 and a gear 6, a motor 7, a reduction gearbox 9 and a braking device are arranged on the lower platform 13, and the braking device can complete emergency braking of the oil pumping machine by controlling the reduction gearbox 9. The inner structure of the lower platform 13 is provided with a set of platform surface free telescopic device, the free telescopic of the platform surface of the lower platform can be regulated, the utilization range is enlarged, meanwhile, the space is saved, the two ends of the lower platform 13 are provided with the rollers 1, the movement track of the first steel wire rope 5 and the second steel wire rope 16 is given, the upper platform 18 is provided with 4 rollers 1, and the movement track of the first steel wire rope 5 and the second steel wire rope 16 can be changed. The first slide rail 3 and the second slide rail 17 are fixed on the upper platform 18 and the lower platform 13, provide effective movement tracks for the first rack 4 and the second rack 15, and fix the directions of the first rack 4 and the second rack 15. The first rack 4 and the second rack 15 are moved up and down on the first slide rail 3 and the second slide rail 17, respectively, mainly by the fixed rack rail wheel 14. The first rack 4 and the second rack 15 move with the gear 6 through a gear meshing method, which is the core of the device, and the symmetrical directions of the gear 6 move oppositely due to the mechanical structure of the gear, so that the forced force and direction can be transmitted to the first steel wire rope 5 and the second steel wire rope 16 through the movement of the first rack 4 and the second rack 15 by means of the principle, and then the first steel wire rope 5 and the second steel wire rope 16 respectively drive the first hanger 10 and the second hanger 12 to move up and down, thereby completing the oil extraction action. The motor 7 supplies power to the reduction gearbox 9 through the belt 8, the power is transmitted to the gear 6 through the reduction of the reduction gearbox 9, and the gear 6 completes the action.
Claims (7)
1. The double-rack type oil pumping machine is characterized by comprising a derrick (11), an upper platform (18) and a lower platform (13), wherein the upper platform (18) and the lower platform (13) are arranged on the derrick (11), two groups of rollers (1) are symmetrically arranged on the upper platform (18), two rollers (1) are symmetrically arranged on the lower platform (13), one group of rollers (1) on one side of the upper platform (18) is connected with one roller (1) on the corresponding side of the lower platform (13) through a first steel wire rope (5), and the other group of rollers (1) on the other side of the upper platform (18) is connected with the other roller (1) on the corresponding side of the lower platform (13) through a second steel wire rope (16);
the bottom of the upper platform (18) is symmetrically provided with a first sliding rail (3) and a second sliding rail (17), the free ends of the first sliding rail (3) and the second sliding rail (17) are inserted into through holes on the lower platform (13), one end of the first steel wire rope (5) is connected with a first hanger (10), the other end of the first steel wire rope is connected with a first rack (4) matched with the first sliding rail (3), one end of the second steel wire rope (16) is connected with a second hanger (12), the other end of the second steel wire rope is connected with a second rack (15) matched with the second sliding rail (17), the first rack (4) and the second rack (15) are meshed with a gear (6) arranged between the first rack (4) and the second rack (15), and the gear (6) is connected to a motor (7) through a reduction gearbox (9);
a brake device for controlling the reduction gearbox (9) to carry out emergency braking is arranged on the lower platform (13);
the lower platform (13) is provided with a telescopic device which can enable the table top of the lower platform (13) to freely stretch and retract.
2. A double rack pumping unit according to claim 1, wherein each set of rollers (1) on the upper platform (18) comprises two rollers.
3. A double rack pumping unit according to claim 1, wherein the rollers (1) on the upper platform (18) and the rollers (1) on the lower platform (13) are connected to the upper platform (18) and the lower platform (13) respectively by means of roller support frames (2).
4. A double rack pumping unit according to claim 1, wherein the first rack (4) and the second rack (15) are connected to the first rail (3) and the second rail (17) by means of fixed rack rail wheels (14), respectively.
5. A double rack pumping unit according to claim 1, wherein the motor (7) is connected to the reduction gearbox (9) by means of a belt (8).
6. A double rack pumping unit according to claim 1, wherein the reduction gearbox (9) is a few differential gearbox.
7. A double rack pumping unit according to claim 1, wherein the motor (7) is a switched reluctance motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743884.3A CN107387033B (en) | 2017-08-25 | 2017-08-25 | Double rack type oil pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743884.3A CN107387033B (en) | 2017-08-25 | 2017-08-25 | Double rack type oil pumping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107387033A CN107387033A (en) | 2017-11-24 |
| CN107387033B true CN107387033B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710743884.3A Active CN107387033B (en) | 2017-08-25 | 2017-08-25 | Double rack type oil pumping machine |
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| CN (1) | CN107387033B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482773B (en) * | 2018-04-12 | 2023-10-13 | 东莞市福莱利机械科技有限公司 | A protect piece mechanism for preventing paper box handle head misinsertion layering seam |
| CN111101903B (en) * | 2019-12-12 | 2022-02-18 | 中国石油化工股份有限公司 | Fixed pulley suspension load balanced type oil pumping machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665761A (en) * | 1985-03-19 | 1987-05-19 | North China Petroleum Machinery Repairing Plant | Long stroke pumping unit |
| CN204532287U (en) * | 2015-04-27 | 2015-08-05 | 西南石油大学 | A kind of double rack tower-type pumping unit |
-
2017
- 2017-08-25 CN CN201710743884.3A patent/CN107387033B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665761A (en) * | 1985-03-19 | 1987-05-19 | North China Petroleum Machinery Repairing Plant | Long stroke pumping unit |
| CN204532287U (en) * | 2015-04-27 | 2015-08-05 | 西南石油大学 | A kind of double rack tower-type pumping unit |
Non-Patent Citations (1)
| Title |
|---|
| 袁新安 ; 尹宇 ; 崔学政 ; 刘振东 ; .宽带式长冲程双井抽油机方案设计.科教文汇(下旬刊).2012,(第07期),101、110. * |
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| CN107387033A (en) | 2017-11-24 |
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