CN203559881U - Gas-balancing hydraulic oil pumping unit - Google Patents
Gas-balancing hydraulic oil pumping unit Download PDFInfo
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- CN203559881U CN203559881U CN201320800126.8U CN201320800126U CN203559881U CN 203559881 U CN203559881 U CN 203559881U CN 201320800126 U CN201320800126 U CN 201320800126U CN 203559881 U CN203559881 U CN 203559881U
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Abstract
本实用新型涉及一种抽油机，特别涉及一种气平衡式液压抽油机，技术方案为：包括井口、悬绳器、主液压缸、动滑轮、皮带、定滑轮、蓄能器、支架、复合式液压缸、底座和液压系统组成，所述的支架固定在底座上，支架的内部空间装有主液压缸和复合液压缸，主液压缸通过销连接在底座上，主液压缸的活塞杆上端与动滑轮连接，复合式液压缸固定在底座上，皮带绕过定滑轮和动滑轮一端与悬绳器连接，另一端固定在支架顶部，悬绳器连接井口，支架顶部装有蓄能器，液压系统连接主液压缸和复合式液压缸；本实用新型的有益效果是，气平衡代替配重块平衡大大减小了整机质量，结构紧凑，有利于抽油机的运移和安装。
The utility model relates to an oil pumping unit, in particular to an air-balanced hydraulic oil pumping unit. The technical proposal is: comprising a wellhead, a rope suspension device, a main hydraulic cylinder, a movable pulley, a belt, a fixed pulley, an accumulator, a support, Composite hydraulic cylinder, base and hydraulic system, the bracket is fixed on the base, the inner space of the bracket is equipped with the main hydraulic cylinder and the composite hydraulic cylinder, the main hydraulic cylinder is connected to the base by pins, the piston rod of the main hydraulic cylinder The upper end is connected with the movable pulley, the composite hydraulic cylinder is fixed on the base, the belt goes around the fixed pulley and the movable pulley, one end is connected with the rope hanger, the other end is fixed on the top of the bracket, the rope hanger is connected to the wellhead, and the top of the bracket is equipped with an accumulator, hydraulic pressure The system connects the main hydraulic cylinder and the composite hydraulic cylinder; the beneficial effect of the utility model is that the gas balance replaces the counterweight balance, which greatly reduces the weight of the whole machine, and has a compact structure, which is beneficial to the movement and installation of the pumping unit.
Description
Technical field
The utility model relates to a kind of oil pumper, particularly a kind of gas balance type hydraulic pumping unit.
Background technology
At present, hydraulic pumping unit has obtained application more and more widely in oil-gas field development.Compare with conventional mechanical oil pumper, hydraulic pumping unit is easily realized long stroke, low jig frequency, and stroke, jig frequency and balance parameters easily regulate; Strong to large load adaptation, can meet the requirement of deep-well, heavy oil wells exploitation; Compact conformation, is easy to migration; Be easy to realize overload protection function.But current hydraulic pumping unit both domestic and external adopts ballast box to carry out balance more, and this balance mode can increase the quality of complete machine, be unfavorable for migration and the installation of hydraulic pumping unit.
Utility model content
The purpose of this utility model is the above-mentioned shortcoming for existing hydraulic pumping unit, and the gas balance type hydraulic pumping unit that can realize active balance under a kind of prerequisite not affecting oil pumper overall mass is provided.
The technical scheme adopting for the utility model that achieves the above object is: comprise well head, polished rod eye, main hydraulic cylinder, movable pulley, belt, fixed pulley, accumulator, support, Compound Type Cylinder, base and hydraulic system form, described support is fixed on base, main hydraulic cylinder and composite hydraulic cylinder are equipped with in the inner space of support, main hydraulic cylinder is connected on base by pin, the upper end of main hydraulic cylinder internal piston bar is connected with movable pulley, Compound Type Cylinder is fixed on base, belt is walked around fixed pulley and is connected with polished rod eye with movable pulley one end, the other end is fixed on a top of the trellis, polished rod eye connects well head, prop up top of the trellis accumulator is housed, hydraulic system connects main hydraulic cylinder and Compound Type Cylinder.
Above-mentioned composite hydraulic cylinder comprises driving oil cylinder, lower driving oil cylinder, balance cylinder and piston four parts.
The beneficial effects of the utility model are, gas balance replaces balancing weight balance greatly to reduce overall mass, and compact conformation, is conducive to migration and the installation of oil pumper.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is further illustrated.
Fig. 1 is front view of the present utility model.
Fig. 2 is gas balance type hydraulic pumping unit left view.
Fig. 3 is gas balance type hydraulic pumping unit operating principle schematic diagram.
Fig. 4 is the sectional view of Compound Type Cylinder.
In the drawings, 1. well head, 2. polished rod eye, 3. main hydraulic cylinder, 4. movable pulley, 5. belt, 6. fixed pulley, 7. accumulator, 8. support, 9. Compound Type Cylinder, 10. pin, 11. bases, 12. hydraulic systems, 13. balance cylinders, 14. pistons, drive oil cylinder on 15., drive oil cylinders 16. times.
The specific embodiment
By reference to the accompanying drawings, the utility model is described further: comprise well head 1, polished rod eye 2, main hydraulic cylinder 3, movable pulley 4, belt 5, fixed pulley 6, accumulator 7, support 8, Compound Type Cylinder 9, base 11 and hydraulic system 12 form, described support 8 is fixed on base 11, main hydraulic cylinder 3 and composite hydraulic cylinder 9 are equipped with in the inner space of support 8, main hydraulic cylinder 3 is connected on base 11 by pin 10, the upper end of main hydraulic cylinder 3 internal piston bars is connected with movable pulley 4, Compound Type Cylinder 9 is fixed on base 11, belt 5 is walked around fixed pulley 6 and is connected with polished rod eye 2 with movable pulley 4 one end, the other end is fixed on support 8 tops, polished rod eye 2 connects well head 1, accumulator 7 is equipped with at support 8 tops, hydraulic system 12 connects main hydraulic cylinder 3 and Compound Type Cylinder 9.
Above-mentioned composite hydraulic cylinder 9 comprises driving oil cylinder 15, lower driving oil cylinder 16, balance cylinder 13 and piston 14 4 parts, when upper driving oil cylinder 15 oil-feed of composite hydraulic cylinder 9, composite hydraulic cylinder 9 pistons 14 are descending, the interior gas of accumulator 7 is to piston 14 actings simultaneously, accumulator 7 releases energy, hydraulic oil in lower driving oil cylinder 16 is pressed into main hydraulic cylinder 3 epicoeles, and main hydraulic cylinder 3 piston rods are descending, and oil pumper suspension point is up; When the cavity of resorption oil-feed of main hydraulic cylinder 3, piston rod is up, and the hydraulic oil in main hydraulic cylinder 3 epicoeles is pressed into lower driving oil cylinder 16,14 pairs of interior air works of accumulator 7 of composite hydraulic cylinder 9 piston, and accumulator 7 storage power, oil pumper suspension point is descending.
Polished rod eye 2 connects sucker rod and the belt 5 of well head 1, and belt 5 is walked around fixed pulley 6 and movable pulley 4, and the other end is fixed on support 8 tops.Support 8 is fixed on base 11, by angle steel and Plate Welding, is formed.Accumulator 7 is fixed on support 8 top steel plates, and main hydraulic cylinder 3 is connected with base 11 by pin 10, and Compound Type Cylinder 9 is bolted on base 11.Movable pulley 4 is connected with the piston rod of main hydraulic cylinder 3, and fixed pulley 6 is fixed on support 8 tops near well head 1 one sides.During work, hydraulic oil drives the piston rod of main hydraulic cylinder 3 to pump, and belt 5 changes into pumping of suspension point by movable pulley 4 and fixed pulley 6 pumping of piston rod, thereby realizes the whole process of oil pumper.
Claims (2)
1. a gas balance type hydraulic pumping unit, it is characterized in that: comprise well head (1), polished rod eye (2), main hydraulic cylinder (3), movable pulley (4), belt (5), fixed pulley (6), accumulator (7), support (8), Compound Type Cylinder (9), base (11) and hydraulic system (12) form, described support (8) is fixed on base (11), main hydraulic cylinder (3) and composite hydraulic cylinder (9) are equipped with in the inner space of support (8), main hydraulic cylinder (3) is connected on base (11) by pin (10), the upper end of main hydraulic cylinder (3) internal piston bar is connected with movable pulley (4), Compound Type Cylinder (9) is fixed on base (11), belt (5) is walked around fixed pulley (6) and is connected with polished rod eye (2) with movable pulley (4) one end, the other end is fixed on support (8) top, polished rod eye (2) connects well head (1), accumulator (7) is equipped with at support (8) top, hydraulic system (12) connects main hydraulic cylinder (3) and Compound Type Cylinder (9).
2. gas balance type hydraulic pumping unit according to claim 1, is characterized in that: described composite hydraulic cylinder (9) comprises driving oil cylinder (15), lower driving oil cylinder (16), balance cylinder (13) and piston (14) four parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800126.8U CN203559881U (en) | 2013-12-05 | 2013-12-05 | Gas-balancing hydraulic oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800126.8U CN203559881U (en) | 2013-12-05 | 2013-12-05 | Gas-balancing hydraulic oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559881U true CN203559881U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800126.8U Expired - Fee Related CN203559881U (en) | 2013-12-05 | 2013-12-05 | Gas-balancing hydraulic oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559881U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018814A (en) * | 2014-06-30 | 2014-09-03 | 中国地质大学（武汉） | Double-balanced range-extended hydraulic oil pumping unit |
| CN104818963A (en) * | 2015-04-14 | 2015-08-05 | 赵国祥 | Non-counterweight digital intelligent oil (gas) pump |
| CN105822261A (en) * | 2016-04-11 | 2016-08-03 | 中国石油大学(华东) | Ocean platform hydraulic oil pumping unit |
| CN106089157A (en) * | 2016-08-23 | 2016-11-09 | 山东威马泵业股份有限公司 | Accumulation of energy balance type hydraulic pumping unit |
| CN113107822A (en) * | 2021-05-17 | 2021-07-13 | 山东泰富智能科技有限公司 | Balanced type non-impact hydraulic pumping unit |
| CN110593824B (en) * | 2019-10-29 | 2025-03-07 | 盘锦宏海石油装备有限公司 | A beamless balanced energy-saving oil pumping unit |
-
2013
- 2013-12-05 CN CN201320800126.8U patent/CN203559881U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018814A (en) * | 2014-06-30 | 2014-09-03 | 中国地质大学（武汉） | Double-balanced range-extended hydraulic oil pumping unit |
| CN104818963A (en) * | 2015-04-14 | 2015-08-05 | 赵国祥 | Non-counterweight digital intelligent oil (gas) pump |
| CN105822261A (en) * | 2016-04-11 | 2016-08-03 | 中国石油大学(华东) | Ocean platform hydraulic oil pumping unit |
| CN106089157A (en) * | 2016-08-23 | 2016-11-09 | 山东威马泵业股份有限公司 | Accumulation of energy balance type hydraulic pumping unit |
| CN106089157B (en) * | 2016-08-23 | 2018-03-13 | 山东威马泵业股份有限公司 | Accumulation of energy balance type hydraulic pumping unit |
| CN110593824B (en) * | 2019-10-29 | 2025-03-07 | 盘锦宏海石油装备有限公司 | A beamless balanced energy-saving oil pumping unit |
| CN113107822A (en) * | 2021-05-17 | 2021-07-13 | 山东泰富智能科技有限公司 | Balanced type non-impact hydraulic pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |