CN203257388U - Hydraulic oil pumping device - Google Patents
Hydraulic oil pumping device Download PDFInfo
- Publication number
- CN203257388U CN203257388U CN 201320289408 CN201320289408U CN203257388U CN 203257388 U CN203257388 U CN 203257388U CN 201320289408 CN201320289408 CN 201320289408 CN 201320289408 U CN201320289408 U CN 201320289408U CN 203257388 U CN203257388 U CN 203257388U
- Authority
- CN
- China
- Prior art keywords
- energy
- accumulation
- hydraulic
- oil cylinder
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model provides a hydraulic oil pumping device. The hydraulic oil pumping device comprises a reciprocating-type oil cylinder and an energy accumulator, wherein the reciprocating-type oil cylinder comprises a lifting oil cylinder and a lifting plunger piston which is arranged in the lifting oil cylinder and moves in a reciprocating-type telescopic manner, the lower end of the lifting plunger piston is connected with an oil pumping polish rod which is connected with an underground bolt support load, the lifting oil cylinder is connected with the energy accumulator through a hydraulic oil pipeline, and a bidirectional hydraulic motor or a bidirectional hydraulic pump is arranged on the hydraulic oil pipe; the energy accumulator comprises an energy storage oil cylinder and an energy storage air pocket, an energy storage plunger piston is arranged inside the energy storage oil cylinder and is used for dividing the energy storage oil cylinder into an energy storage oil cylinder upper cavity and an energy storage oil cylinder lower cavity, and the energy storage air pocket is connected with the energy storage oil cylinder upper cavity. The hydraulic oil pumping device has the advantages that the balance of the oil pumping device is realized by using the bidirectional hydraulic motor, the hydraulic pipeline is simple, few hydraulic components are used, and the reliability of the hydraulic oil pumping device is greatly improved.
Description
Technical field
The utility model relates to oil rig, relates in particular to a kind of hydraulic oil pumping device.
Background technology
Main oil recovery pattern is mechanical oil recovery in oilfield exploitation at present, used oil production equipment mainly is beam pumping unit, along with the development of petroleum technology, the scientific research personnel also works out the oil production equipment of some other types successively, such as chain drive pumping unit, electric roller type oil pumper etc.For many years, the scientific research personnel is carrying out the research of hydraulic pumping unit always, but because structural defective, fluid pressure line is complicated, and many and life-span of Hydraulic Elements reason such as do not pass a test causes the reliability of hydraulic pumping unit can't satisfy on-the-spot instructions for use.The machine driven system of above-mentioned beam pumping unit, chain drive pumping unit and electric drum beam-pumping unit is complicated, and system effectiveness is low, and energy-saving effect is poor relatively, is not easy to management.
Summary of the invention
The purpose of this utility model is to provide a kind of hydraulic oil pumping device, has solved because structural defective, and fluid pressure line is complicated, and many and life-span of Hydraulic Elements reason such as do not pass a test causes the reliability of hydraulic pumping unit can't satisfy the defective of on-the-spot instructions for use.
The purpose of this utility model can be achieved by the following technical measures:
This hydraulic oil pumping device comprises reciprocating type oil cylinder, accumulator, described reciprocating type oil cylinder comprises elevating ram and is arranged on the lift ram of elevating ram inside and reciprocating type stretching motion, described lift ram lower end connects oil pumping polish rod, and oil pumping polish rod connecting downhole roofbolt load, described elevating ram is connected with accumulator by hydraulic oil pipe, is provided with two-way hydraulic motor or bidirectional hydraulic pump on the described hydraulic oil pipe.
The purpose of this utility model also can be achieved by the following technical measures:
Described accumulator comprises accumulation of energy oil cylinder, accumulation of energy gas bag, and described accumulation of energy oil cylinder inside arranges the accumulation of energy plunger, and accumulation of energy plunger handle accumulation of energy oil cylinder is divided into accumulation of energy cylinder upper cavity oil chamber and accumulation of energy oil cylinder lower chambers, and described accumulation of energy gas bag is connected with accumulation of energy cylinder upper cavity oil chamber; Described lift ram is divided into elevating ram upper chamber and elevating ram lower chambers to elevating ram, described hydraulic oil pipe two ends are connected with accumulation of energy oil cylinder lower chambers with the elevating ram lower chambers respectively, and the hydraulic oil that drives usefulness is housed in above-mentioned two lower chambers that are communicated with and hydraulic oil pipe; Described two-way hydraulic motor or bidirectional hydraulic pump are connected with motor, Motor Drive two-way hydraulic motor or bidirectional hydraulic pump operation.
The utlity model has following beneficial effect:
1, utilize two-way hydraulic motor to realize balance of well pumping unit, fluid pressure line is simple, Hydraulic Elements are considerably less, has greatly improved the oil pumper reliability;
2, simple in structure, quality is light, processing cost is low, easy transportation and installation.
Description of drawings
Fig. 1 is the structure principle chart of the utility model embodiment.
Among the figure: elevating ram 1, lift ram 2, oil pumping polish rod 3, oil pipe 4, two-way hydraulic motor or bidirectional hydraulic pump 5, motor 6, accumulation of energy oil cylinder 7, accumulation of energy gas bag 8, accumulation of energy plunger 9.
The specific embodiment
Referring to shown in Figure 1, elevating ram 1 forms reciprocating type oil cylinder with lift ram 2, and oil pumping polish rod 3 tops connect with lift ram 2, and the bottom connects down-hole roofbolt load; Accumulation of energy plunger 9 is installed in the accumulation of energy oil cylinder 7, in the accumulation of energy gas bag 8 gases at high pressure is housed, and accumulation of energy oil cylinder 7 upper chamber and accumulation of energy gas bag 8 connect to form accumulator; Two-way hydraulic motor 5 connects elevating ram 1 lower chambers by oil pipe 4, one ends, and the other end is connected with accumulation of energy oil cylinder 7 lower chambers, in two plunger cavities that are communicated with driving liquid is housed; Motor 6 is as 5 operations of power drive two-way hydraulic motor.
The course of work of the present utility model is: when oil well pole was descending, oil pumping polish rod 3 drives lift ram 2 under the roofbolt load descending, produces high pressure in elevating ram 1 bottom chamber; Drive liquid and provide auxiliary torque by 4 pairs of two-way hydraulic motors 5 of oil pipe, cooperate motor 6, with the driving liquid of elevating ram 1 lower chambers, be pumped into the lower chambers of accumulation of energy oil cylinder 7, it is up to promote accumulation of energy plunger 9, and compress energy storage gas bag 8 interior gases are finished accumulation of energy; When oil pumper arrived bottom dead centre, control system control motor 6 drove two-way hydraulic motor 5 counter-rotatings, and hydraulic pumping unit becomes up.At this moment, accumulation of energy gas bag 8 inner high voltage gas push accumulation of energy plungers 9 are descending, accumulation of energy plunger 9 promotes accumulation of energy oil cylinder 7 lower chambers and drives liquid, provide auxiliary torque by 4 pairs of two-way hydraulic motors 5 of oil pipe, cooperate motor 6, with the driving liquid of accumulation of energy oil cylinder 7 lower chambers, be pumped into the lower chambers of elevating ram 1, it is up to promote lift ram 2, and it is up that lift ram 2 drives oil pumping polish rod 3.Thus, hydraulic pumping unit two-way hydraulic motor 5 is realized the accumulation of energy balance, drives oil pumping polish rod 3 and moves reciprocatingly, and realizes that normally oil pumping is produced.
The above only is preferred embodiment of the present utility model, and non-in order to limit claim of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to claim of the present utility model.
Claims (5)
1. hydraulic oil pumping device, it is characterized in that it comprises reciprocating type oil cylinder, accumulator, described reciprocating type oil cylinder comprises elevating ram and is arranged on the lift ram of elevating ram inside and reciprocating type stretching motion, described lift ram lower end connects oil pumping polish rod, and oil pumping polish rod connecting downhole roofbolt load, described elevating ram is connected with accumulator by hydraulic oil pipe, is provided with two-way hydraulic motor or bidirectional hydraulic pump on the described hydraulic oil pipe.
2. a kind of hydraulic oil pumping device according to claim 1, it is characterized in that described accumulator comprises accumulation of energy oil cylinder, accumulation of energy gas bag, described accumulation of energy oil cylinder inside arranges the accumulation of energy plunger, accumulation of energy plunger handle accumulation of energy oil cylinder is divided into accumulation of energy cylinder upper cavity oil chamber and accumulation of energy oil cylinder lower chambers, and described accumulation of energy gas bag is connected with accumulation of energy cylinder upper cavity oil chamber.
3. a kind of hydraulic oil pumping device according to claim 2, it is characterized in that described lift ram is divided into elevating ram upper chamber and elevating ram lower chambers to elevating ram, described hydraulic oil pipe two ends are connected with accumulation of energy oil cylinder lower chambers with the elevating ram lower chambers respectively, and the hydraulic oil that drives usefulness is housed in above-mentioned two lower chambers that are communicated with and hydraulic oil pipe.
4. a kind of hydraulic oil pumping device according to claim 2 is characterized in that described two-way hydraulic motor is connected with motor.
5. a kind of hydraulic oil pumping device according to claim 2 is characterized in that described bidirectional hydraulic pump is connected with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289408 CN203257388U (en) | 2013-05-24 | 2013-05-24 | Hydraulic oil pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289408 CN203257388U (en) | 2013-05-24 | 2013-05-24 | Hydraulic oil pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257388U true CN203257388U (en) | 2013-10-30 |
Family
ID=49469965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320289408 Expired - Fee Related CN203257388U (en) | 2013-05-24 | 2013-05-24 | Hydraulic oil pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643919A (en) * | 2013-11-21 | 2014-03-19 | 中国石油化工股份有限公司 | Continuous exploratory well oil testing and flowing device |
| CN104179666A (en) * | 2013-05-24 | 2014-12-03 | 中国石油化工股份有限公司 | Hydraulic oil pumping device and method |
-
2013
- 2013-05-24 CN CN 201320289408 patent/CN203257388U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179666A (en) * | 2013-05-24 | 2014-12-03 | 中国石油化工股份有限公司 | Hydraulic oil pumping device and method |
| CN103643919A (en) * | 2013-11-21 | 2014-03-19 | 中国石油化工股份有限公司 | Continuous exploratory well oil testing and flowing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104612928B (en) | Hydraulic bidirectional effect pumping installations | |
| CN204493095U (en) | Hydraulic bidirectional effect pumping installations | |
| CN202990977U (en) | Tower-type double cylinder push-pull hydraulic long stroke pumping unit | |
| CN104018814A (en) | Double-balanced range-extended hydraulic oil pumping unit | |
| CN203257388U (en) | Hydraulic oil pumping device | |
| CN202545203U (en) | Downhole hydraulic oil well pump | |
| CN201723423U (en) | Mechanical reversing reciprocating plunger pump of submersible motor | |
| CN102259394A (en) | Splitter | |
| CN201443367U (en) | Oil pumping well power cylinder type hydraulic device | |
| CN1869397A (en) | Oil-submersible magnetic suspension two-way plunger electric pump oil production method | |
| CN203441363U (en) | Self-moving device for full-hydraulic drilling machine | |
| CN203081670U (en) | Double-cylinder hydraulic pump | |
| CN205744323U (en) | Six cylinders opposed single-acting high-pressure plunger pump | |
| CN203022704U (en) | Dual-plunger-oil-cylinder-type hydraulic oil pumping machine | |
| CN103075133A (en) | Flow compensation type hydraulic pumping unit | |
| CN203879469U (en) | Hydraulic system with double-oil-well mutual balance function for hydraulic pumping unit | |
| CN106761578B (en) | Adjustable hydraulic oil pumping unit device | |
| CN103195397B (en) | Mechanical jack type hydraulic pressure twin-well oil-pumping machine | |
| CN104179666A (en) | Hydraulic oil pumping device and method | |
| CN203201520U (en) | High-pressure efficient fracture well head device | |
| CN103061717B (en) | A kind of four cylinder type hydraulic oil pumps | |
| CN203394716U (en) | Energy-saving oil well pump | |
| CN202284463U (en) | Crank-slider type pumping unit | |
| CN205225199U (en) | Energy -conserving numerical control beam -pumping unit | |
| CN109555501A (en) | Hydraulic oil pumping device and method |
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: 20131030 Termination date: 20170524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |