CN201953355U - Sleeved oil well balancer - Google Patents
Sleeved oil well balancer Download PDFInfo
- Publication number
- CN201953355U CN201953355U CN2011200201286U CN201120020128U CN201953355U CN 201953355 U CN201953355 U CN 201953355U CN 2011200201286 U CN2011200201286 U CN 2011200201286U CN 201120020128 U CN201120020128 U CN 201120020128U CN 201953355 U CN201953355 U CN 201953355U
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- oil well
- cylinder
- accumulator
- oil
- sleeve type
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Abstract
The utility model discloses a sleeved oil well balancer. The sleeved oil well balancer mainly comprises an energy storage device and a hydraulic cylinder, wherein the connecting flange of the energy storage device is connected with the connecting flange of an oil cylinder through a bolt so that the energy storage device and the hydraulic cylinder are sleeved in the axial direction and are installed integrally to form a complete sleeved oil well balancer. The sleeved oil well balancer has the advantages that: the sleeved oil well balancer is provided with an upper piston and a lower piston; an oil storage cavity is formed between the upper piston and the lower piston; the sleeved oil well balancer can not only transfer power by utilizing oil fluid stored between the upper piston and the lower piston, but also ensure the lubrication of the oil cylinder, simultaneously can effectively reduce cost because of not using hydraulic oil; due to the lower arrangement of a piston rod and a dustproof unit consisting of a small end cover of the oil cylinder, a guide sleeve, a sealing piece and a dustproof ring, the pollution to a cylinder body can be handled effectively and the maintenance can be reduced; and the energy storage device is connected with the hydraulic cylinder by sleeving to form a whole, so that the overall equipment has a simple structure, is convenient to install, and is simpler to maintain.
Description
Technical field
The utility model relates to oil production equipment and technical field, is specifically related to a kind of sleeve type oil well equalizer.
Background technology
Existing oil pumper is owing to the operating mode of recovering the oil changes, cause oil pumper swing arm load distribution imbalance, fluctuation is big, when the swing arm of oil pumper is in the decline process, because the action of gravity of swing arm, produce gravitional force, reduced the power output of main motor greatly, even produce the negative work phenomenon; When the swing arm of oil pumper was in uphill process, the power output of main motor not only will be used to overcome the operating load that oil pumping produces, and needed to overcome the gravity load of generations such as swing arm rising simultaneously, and the power output of main motor will increase greatly.Because in oil pumper swing arm rising and the decline process, the output-power fluctuation of main motor is big, has increased the loss of oil pumper.The hydro-cushion device mainly is made up of accumulator and hydraulic cylinder, and upper and lower two mounting points are installed in respectively in the swing arm and body of oil pumper.The hydro-cushion device utilizes the accumulator preset pressure, acts in the swing arm of oil pumper balanced oil extractor swing arm weight distribution by hydraulic cylinder.When the oil pumper swing arm was descending, oil pumper swing arm action of gravity was in hydraulic jack, and by the nitrogen in the further compress energy storage device of hydraulic oil, accumulator absorbs and storage power, has improved the power output of main motor simultaneously; When the oil pumper swing arm was up, the compressed nitrogen in the accumulator acted in the oil pumper swing arm by hydraulic jack, and accumulator releases energy to oil pumper, had reduced the power output of main motor simultaneously.So, by the hydro-cushion device can balanced oil pumper master motor power output, improve the operating efficiency of oil pumper, reduce energy consumption.Existing hydro-cushion device generally is in the same place accumulator and hydraulic cylinder by pipeline, and complex structure is installed inconvenient, the tie point of pipeline is more, because in the oil pumper course of work, the hydro-cushion device is swing constantly, has increased the probability of hydro-cushion device leakage of oil greatly.
Summary of the invention
The utility model is at the deficiencies in the prior art, and proposed a kind of one and installed, no intermediate connection tube road, simple in structure, the oil well equalizer of the easy for installation and sleeve type that reliability is high.
Sleeve type oil well equalizer, mainly form by accumulator and hydraulic cylinder, wherein accumulator is made up of Connection Block 1, upper end cover 2, accumulator cylinder barrel 3, accumulator adpting flange 10 and sealing ring 11 and accumulator charge valve 19, and described Connection Block 1, upper end cover 2, accumulator cylinder barrel 3, accumulator adpting flange 10 are welded to each other and are integral; Hydraulic cylinder is made up of hydraulic cylinder cylinder barrel 8, upper piston 6, lower piston 7, piston rod 9, oil cylinder adpting flange 13, oil cylinder small end lid 14, connector 18, described hydraulic cylinder cylinder barrel 8 and oil cylinder adpting flange 13 are integrally welded, lower piston 7 and piston rod 9 are integrally welded, oil cylinder small end lid 14 is installed on the oil cylinder adpting flange 13 by screw 16, and connector 18 and piston rod 9 are by being threaded togather.
Described accumulator adpting flange 10 and oil cylinder adpting flange 13 link together by screw 12, realize accumulator and the axial suit of hydraulic cylinder, and one is installed, and forms complete sleeve type oil well equalizer.
Form a cavity " C " between the upper piston 6 of described sleeve type oil well equalizer and the lower piston 7, be full of fluid in advance in " C " chamber.
Described sleeve type oil well equalizer is connected with the oil pumper swing arm by the axis hole on the Connection Block 1 " A ", be connected with the frame of oil pumper by " B " hole on the connector 18, according to the size of oil pumper required balance power, charge into the nitrogen of certain pressure by charge valve 19 " D " chamber in accumulator.
Described upper piston 6 and lower piston 7 are provided with fairlead 4, seal 5.
Described oil cylinder small end lid 14 is provided with fairlead 15 and dust ring 17.
The dustproof of sleeve type oil well equalizer is convenient in piston rod 9 underlyings of described sleeve type oil well equalizer.
The advantage of sleeve type oil well equalizer described in the utility model is: sleeve type oil well equalizer is provided with upper and lower two pistons, form shoe cream room between the upper and lower piston, this setting not only can utilize the fluid transferring power that stores between the upper and lower piston, can also guarantee the lubricated of oil cylinder, simultaneously because oil cylinder has the thick stick chamber need not use hydraulic oil, can effectively reduce oil liquid leakage, reduce cost; The underlying of piston rod and the dustproof unit of being made up of the little end cap of oil cylinder, fairlead, seal and dust ring can successfully manage the pollution of cylinder body and reduce maintenance; Accumulator and hydraulic cylinder load connect, and form one, and entire equipment simple in structure, easy for installation makes maintenance simpler.
Description of drawings
Fig. 1 sleeve type oil well equalizer overall schematic.
Embodiment
Sleeve type oil well equalizer as shown in Figure 1, mainly form by accumulator and hydraulic cylinder, wherein accumulator is made up of Connection Block 1, upper end cover 2, accumulator cylinder barrel 3, accumulator adpting flange 10 and sealing ring 11 and accumulator charge valve 19, and described Connection Block 1, upper end cover 2, accumulator cylinder barrel 3, accumulator adpting flange 10 are welded to each other and are integral; Hydraulic cylinder is made up of hydraulic cylinder cylinder barrel 8, upper piston 6, lower piston 7, piston rod 9, oil cylinder adpting flange 13, oil cylinder small end lid 14, connector 18, described hydraulic cylinder cylinder barrel 8 and oil cylinder adpting flange 13 are integrally welded, lower piston 7 and piston rod 9 are integrally welded, oil cylinder small end lid 14 is installed on the oil cylinder adpting flange 13 by screw 16, and connector 18 and piston rod 9 are by being threaded togather.
Described accumulator adpting flange 10 and oil cylinder adpting flange 13 link together by screw 12, realize accumulator and the axial suit of hydraulic cylinder, and one is installed, and forms complete sleeve type oil well equalizer.
Form a cavity " C " between the upper piston 6 of described sleeve type oil well equalizer and the lower piston 7, be full of fluid in advance in " C " chamber.
Described sleeve type oil well equalizer is connected with the oil pumper swing arm by the axis hole on the Connection Block 1 " A ", be connected with the frame of oil pumper by " B " hole on the connector 18, according to the size of oil pumper required balance power, charge into the nitrogen of certain pressure by charge valve 19 " D " chamber in accumulator.
Described upper piston 6 and lower piston 7 are provided with fairlead 4, seal 5.
Described oil cylinder small end lid 14 is provided with fairlead 15 and dust ring 17.
The dustproof of sleeve type oil well equalizer is convenient in piston rod 9 underlyings of described sleeve type oil well equalizer.
The course of work of sleeve type oil well equalizer described in the utility model is: reset condition, the swing arm of oil pumper is in the extreme higher position, " A " of sleeve type oil well equalizer, " B " two mounting points are apart from maximum, the upper piston 6 and the lower piston 7 of hydraulic cylinder are in extreme lower position, upper piston 6 upper spaces communicate by interior " D " chamber of passage " E " and accumulator, because action of gravity, swing arm is descending, the last accumulator of drive sleeve type oil well equalizer and hydraulic cylinder cylinder barrel etc. move downward together, nitrogen in accumulator " D " chamber is compressed, simultaneously, active force passes to " C " chamber inner fluid by oil cylinder upper piston 6, the pressure that " C " chamber inner fluid forms passes to piston rod 9 by lower piston 7 again, act on by connector 18 on the frame of oil pumper, because the nitrogen in accumulator " D " chamber further compresses, nitrogen pressure rises, and, move to minimum point until the oil pumper swing arm with the form absorption of pressure energy and the swing arm gravitional force of storage oil pumper; When the oil pumper swing arm moves upward, when beginning the oil pumping action, compressed nitrogen in accumulator " D " chamber acts on the upper end cover 2 of accumulator under pressure, by upper connecting base 1 outside outputting power, release energy, Connection Block 1 drives accumulator and hydraulic cylinder cylinder barrel etc. and moves upward together, moves to peak until the oil pumper swing arm, finishes actuation cycle one time.
By using sleeve type oil well equalizer described in the utility model, its advantage is: can rationally regulate the load distribution of oil pumper working cycles, make full use of active power, realize energy-saving and emission-reduction; Sleeve type oil well equalizer is provided with upper and lower two pistons, form shoe cream room between the upper and lower piston, this setting not only can utilize the fluid transferring power that stores between the upper and lower piston, can also guarantee the lubricated of oil cylinder, owing to need not use hydraulic oil, can effectively reduce cost simultaneously; The underlying of piston rod and the dustproof unit of being made up of the little end cap of oil cylinder, fairlead, seal and dust ring can successfully manage the pollution of cylinder body and reduce maintenance; Accumulator and hydraulic cylinder load connect, and form one, and entire equipment simple in structure, easy for installation makes maintenance simpler.
Claims (7)
1. sleeve type oil well equalizer, it is characterized in that, form by accumulator and hydraulic cylinder, wherein accumulator is made up of Connection Block (1), upper end cover (2), accumulator cylinder barrel (3), accumulator adpting flange (10) and sealing ring (11) and accumulator charge valve (19), and described Connection Block (1), upper end cover (2), accumulator cylinder barrel (3), accumulator adpting flange (10) are welded to each other and are integral; Hydraulic cylinder is made up of hydraulic cylinder cylinder barrel (8), upper piston (6), lower piston (7), piston rod (9), oil cylinder adpting flange (13), the little end cap of oil cylinder (14), connector (18), described hydraulic cylinder cylinder barrel (8) and oil cylinder adpting flange (13) are integrally welded, lower piston (7) and piston rod (9) are integrally welded, the little end cap of oil cylinder (14) is installed on the oil cylinder adpting flange (13) by screw (16), and connector (18) and piston rod (9) are by being threaded togather.
2. sleeve type oil well equalizer as claimed in claim 1, it is characterized in that accumulator adpting flange (10) and oil cylinder adpting flange (13) link together by screw (12), realize accumulator and the axial suit of hydraulic cylinder, one is installed, and forms complete sleeve type oil well equalizer.
3. sleeve type oil well equalizer as claimed in claim 1 is characterized in that, forms a cavity " C " between the upper piston (6) of sleeve type oil well equalizer and the lower piston (7), is full of fluid in advance in " C " chamber.
4. sleeve type oil well equalizer as claimed in claim 1, it is characterized in that, sleeve type oil well equalizer is connected with the oil pumper swing arm by the axis hole " A " on the Connection Block (1), be connected with the frame of oil pumper by " B " hole on the connector (18), according to the size of oil pumper required balance power, charge into the nitrogen of certain pressure by charge valve (19) " D " chamber in accumulator.
5. sleeve type oil well equalizer as claimed in claim 1 is characterized in that, upper piston (6) and lower piston (7) are provided with fairlead (4), seal (5).
6. sleeve type oil well equalizer as claimed in claim 1 is characterized in that, the little end cap of oil cylinder (14) is provided with fairlead (15) and dust ring (17).
7. sleeve type oil well equalizer as claimed in claim 1 is characterized in that, the dustproof of sleeve type oil well equalizer is convenient in piston rod (9) underlying of sleeve type oil well equalizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200201286U CN201953355U (en) | 2011-01-21 | 2011-01-21 | Sleeved oil well balancer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200201286U CN201953355U (en) | 2011-01-21 | 2011-01-21 | Sleeved oil well balancer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953355U true CN201953355U (en) | 2011-08-31 |
Family
ID=44497472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200201286U Expired - Fee Related CN201953355U (en) | 2011-01-21 | 2011-01-21 | Sleeved oil well balancer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215821A (en) * | 2021-12-30 | 2022-03-22 | 徐州徐工液压件有限公司 | Hydraulic cylinder with built-in oil circuit supporting legs |
-
2011
- 2011-01-21 CN CN2011200201286U patent/CN201953355U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215821A (en) * | 2021-12-30 | 2022-03-22 | 徐州徐工液压件有限公司 | Hydraulic cylinder with built-in oil circuit supporting legs |
| CN114215821B (en) * | 2021-12-30 | 2024-06-25 | 徐州徐工液压件有限公司 | Landing leg hydraulic cylinder with built-in oil way |
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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: 20110831 Termination date: 20130121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |