CN202194624U - Straight-tube balancer for oil well - Google Patents
Straight-tube balancer for oil well Download PDFInfo
- Publication number
- CN202194624U CN202194624U CN2011200201267U CN201120020126U CN202194624U CN 202194624 U CN202194624 U CN 202194624U CN 2011200201267 U CN2011200201267 U CN 2011200201267U CN 201120020126 U CN201120020126 U CN 201120020126U CN 202194624 U CN202194624 U CN 202194624U
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- accumulator
- cylinder
- piston
- hydraulic cylinder
- oil
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- Expired - Fee Related
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Abstract
The utility model discloses a sleeved balancer for an oil well, particularly to a straight-tube balancer for an oil well, mainly composed of an energy accumulator and a hydraulic cylinder, wherein the energy accumulator is a piston-type energy accumulator, and is composed of an energy accumulator cylinder barrel assembly, an energy accumulator piston assembly and an energy accumulator charge valve. The straight-tube balancer for an oil well has the following advantages that: the energy accumulator and the hydraulic cylinder are integrally sleeved and connected, and the whole equipment is simple in structure and convenient in installation, so that the maintenance is simpler; the pollution on a cylinder body can be efficiently coped and the maintenance can be reduced via the arrangement of a piston rod; the straight-tube balancer for an oil well is provided with an oil storage cavity, so that an oil fluid can be used for transferring a power, and the lubrication of an oil cylinder can be ensured; the oil cylinder is provided with a cylinder cavity, and hydraulic oil is not needed, so that the leakage of the oil fluid can be efficiently reduced, and the cost can be decreased; and the load distribution of the working recycle of an oil pumping unit can be reasonable adjusted, and the electric power can be adequately and efficiently utilized, so that energy conservation and emission reduction are realized.
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 uneven, 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 need 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 property 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 through hydraulic cylinder.When the oil pumper swing arm was descending, oil pumper swing arm action of gravity was in hydraulic jack, and through 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 through hydraulic jack, and accumulator releases energy to oil pumper, had reduced the power output of main motor simultaneously.So, through 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 through 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 has proposed a kind of can one the installation to the deficiency of existing oil well equalizer, and no intermediate connection tube road is simple in structure, the oil well equalizer of the easy for installation and straight pipe type that reliability is high.
The oil well equalizer of straight pipe type mainly is made up of accumulator and hydraulic cylinder, and wherein accumulator is a piston accumulator, and this accumulator is made up of accumulator cylinder assembly, accumulator piston assembly and accumulator charge valve 22; Hydraulic cylinder is by the hydraulic cylinder cylinder assembly, piston and piston rod assembly, and the cylinder cover assembly, the sealing 9 of hydraulic cylinder upper surface is formed with lower union joint 21; Described accumulator and hydraulic cylinder are coupled together adpting flange 8 on accumulator cylinder barrel adpting flange 7 and the hydraulic cylinder by screw 10.
Described accumulator cylinder assembly comprises upper binding head 1, accumulator upper end cover 2, and accumulator cylinder barrel 3, accumulator cylinder barrel adpting flange 7, said each part is welded into the accumulator cylinder assembly.
Described accumulator piston assembly comprises accumulator piston 4, accumulator piston guidance tape 5, accumulator piston seal 6.
Described hydraulic cylinder cylinder assembly comprises that hydraulic cylinder cylinder barrel 11, hydraulic cylinder connect and connects flange 8 and hydraulic cylinder and connect flange 15 under connecting that the three welds together becomes the hydraulic cylinder cylinder assembly.
Described piston and piston rod assembly comprise piston 12, piston rod 20, reach piston guide band 13 and piston seal 14.
Further, piston 12, piston rod 20 are welded to each other together.
Further, piston and piston rod assembly and lower union joint 21 are welded to each other and are in the same place.
Described cylinder cover assembly comprises cylinder cover 16, cylinder cover guidance tape 19, cylinder cover dust ring 18.
Further, connecing flange 15 under described cylinder cover 16 connects with hydraulic cylinder couples together through screw 17.
Oil filler point E, oil filler point obstruction 23 and seal 24 are arranged on the adpting flange 8 on the described hydraulic cylinder.
Described accumulator can also be spring accumul ator or bag type accumulator.
The advantage of the described sleeve type oil well of the utility model equalizer is: accumulator and hydraulic cylinder load connect, and are integrally formed, and entire equipment simple in structure, easy for installation makes maintenance simpler; The underlying of piston rod can successfully manage the pollution of cylinder body and reduce maintenance; Straight pipe type oil well equalizer is provided with shoe cream room, and this setting not only can utilize said fluid transferring power, can also guarantee the lubricated of oil cylinder, because oil cylinder has the thick stick chamber need not use hydraulic oil, can effectively reduce oil liquid leakage simultaneously, reduces cost; Can rationally regulate the load distribution of oil pumper operation cycle, fully effectively utilize electric power, realize energy-saving and emission-reduction.
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Description of drawings
Fig. 1 straight pipe type oil well equalizer is put in order plan.
The generalized section of Fig. 2 straight pipe type oil well equalizer hydraulic cylinder adpting flange.
Embodiment
Sleeve type oil well equalizer as shown in Figure 1, the oil well equalizer of straight pipe type mainly is made up of accumulator and hydraulic cylinder, and wherein accumulator is a piston accumulator, and this accumulator is made up of accumulator cylinder assembly, accumulator piston assembly and accumulator charge valve 22; Hydraulic cylinder is by the hydraulic cylinder cylinder assembly, piston and piston rod assembly, and the cylinder cover assembly, the sealing 9 of hydraulic cylinder upper surface is formed with lower union joint 21; Described accumulator and hydraulic cylinder are coupled together adpting flange 8 on accumulator cylinder barrel adpting flange 7 and the hydraulic cylinder by screw 10.
Described accumulator cylinder assembly comprises upper binding head 1, accumulator upper end cover 2, and accumulator cylinder barrel 3, accumulator cylinder barrel adpting flange 7, said each part is welded into the accumulator cylinder assembly.
Described accumulator piston assembly comprises accumulator piston 4, accumulator piston guidance tape 5, accumulator piston seal 6.
Described hydraulic cylinder cylinder assembly comprises that hydraulic cylinder cylinder barrel 11, hydraulic cylinder connect and connects flange 8 and hydraulic cylinder and connect flange 15 under connecting that the three welds together becomes the hydraulic cylinder cylinder assembly.
Described piston and piston rod assembly comprise piston 12, piston rod 20, reach piston guide band 13 and piston seal 14; Piston 12, piston rod 20 are welded to each other together; Piston and piston rod assembly and lower union joint 21 are welded to each other is in the same place.
Described cylinder cover assembly comprises cylinder cover 16, cylinder cover guidance tape 19, cylinder cover dust ring 18; Connecing flange 15 under described cylinder cover 16 connects with hydraulic cylinder couples together through screw 17.
Oil filler point E, oil filler point obstruction 23 and seal 24 are arranged on the adpting flange 8 on the described hydraulic cylinder.
The installation process of straight pipe type hydro-cushion device is following: at first; Operating load according to oil pumper; Confirm the installation site of straight pipe type hydro-cushion device; The further centre bore distance of confirming straight pipe type hydro-cushion device upper binding head 1 and lower union joint 21 is opened oil filler point and is stopped up valve 23, and the centre bore M distance of the centre bore N of adjusting upper binding head 1 and lower union joint 21 is to requiring the position; Inject hydraulic oil through the oil filler point E on the hydraulic cylinder adpting flange 8 to hydraulic cylinder " C " chamber, confirm hydraulic cylinder " C " chamber fills with and tightens oil filler point behind the oil and stop up 23; Secondly,, confirm the blowing pressure of straight pipe type hydro-cushion device accumulator, charge into nitrogen to accumulator " D " chamber, reach setting pressure until nitrogen pressure through accumulator charge valve 22 according to the operating load of oil pumper; Once more, accomplish the connection up and down of straight pipe type hydro-cushion device; So far accomplish the installation of straight pipe type hydro-cushion device.
The course of work of straight pipe type hydro-cushion device is following: reset condition, and the swing arm of oil pumper is in the extreme higher position, because action of gravity; Swing arm is descending, and the last accumulator cylinder barrel adpting flange 7 that drives straight pipe type hydro-cushion device moves downward, and accumulator cylinder barrel upper binding head 1 is through accumulator upper end cover 2; Accumulator cylinder barrel 3, accumulator cylinder barrel adpting flange 7 promotes hydraulic cylinder adpting flange 8 and moves downward with hydraulic cylinder cylinder barrel 11; The fluid in hydraulic cylinder " C " chamber is compressed, and the oil pressure in " C " chamber acts on the accumulator piston 4, and accumulator piston 4 moves up; Nitrogen in further compress energy storage device " D " chamber; Nitrogen pressure rises, and with the form absorption of pressure ability and the swing arm gravitional force of storage oil pumper, moves to minimum point until the oil pumper swing arm; When the oil pumper swing arm moves upward, begin to pump when moving, the pressure of the compressed nitrogen in accumulator " D " chamber acts on accumulator upper end cover 2, through upper binding head 1 outside outputting power, releases energy, and upper binding head 1 moves upward; Simultaneously, because upper binding head 1 is through accumulator upper end cover 2, accumulator cylinder barrel 3; Accumulator cylinder barrel adpting flange 7; Drive hydraulic cylinder adpting flange 8 and move upward with hydraulic cylinder cylinder barrel 11, accumulator piston 4 moves down, and hydraulic oil is progressively pushed back hydraulic cylinder " C " chamber; Move to peak until the oil pumper swing arm, accomplish one time actuation cycle.
Claims (8)
1. the oil well equalizer of straight pipe type is characterized in that, mainly is made up of accumulator and hydraulic cylinder, and wherein accumulator is a piston accumulator, and this accumulator is made up of accumulator cylinder assembly, accumulator piston assembly and accumulator charge valve (22); Hydraulic cylinder is by the hydraulic cylinder cylinder assembly, piston and piston rod assembly, cylinder cover assembly, hydraulic cylinder upper surface sealing (9) and lower union joint (21) composition; Described accumulator and hydraulic cylinder are coupled together adpting flange (8) on accumulator cylinder barrel adpting flange (7) and the hydraulic cylinder by screw (10).
2. the oil well equalizer of straight pipe type as claimed in claim 1; It is characterized in that the accumulator cylinder assembly comprises upper binding head (1), accumulator upper end cover (2), accumulator cylinder barrel (3); Accumulator cylinder barrel adpting flange (7), said each part is welded into the accumulator cylinder assembly.
3. the oil well equalizer of straight pipe type as claimed in claim 1 is characterized in that the accumulator piston assembly comprises accumulator piston (4), accumulator piston guidance tape (5), accumulator piston seal (6).
4. the oil well equalizer of straight pipe type as claimed in claim 1; It is characterized in that the hydraulic cylinder cylinder assembly comprises that hydraulic cylinder cylinder barrel (11), hydraulic cylinder connect and connects flange (8) and hydraulic cylinder and connect flange (15) under connecting, the three welds together becomes the hydraulic cylinder cylinder assembly.
5. the oil well equalizer of straight pipe type as claimed in claim 1 is characterized in that piston and piston rod assembly comprise piston (12), piston rod (20), reach piston guide band (13) and piston seal (14); Described piston (12) and piston rod (20) are welded to each other together; Piston and piston rod assembly and lower union joint (21) are welded to each other is in the same place.
6. like the oil well equalizer of claim 4 or 5 described straight pipe types, it is characterized in that the cylinder cover assembly comprises cylinder cover (16), cylinder cover guidance tape (19), cylinder cover dust ring (18); Connecing flange (15) under described cylinder cover (16) connects with hydraulic cylinder couples together through screw (17).
7. the oil well equalizer of straight pipe type as claimed in claim 1 is characterized in that oil filler point E is arranged on the adpting flange on the hydraulic cylinder (8), oil filler point stops up (23) and seal (24).
8. the oil well equalizer of straight pipe type as claimed in claim 1 is characterized in that accumulator can also be spring accumul ator or bag type accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200201267U CN202194624U (en) | 2011-08-02 | 2011-08-02 | Straight-tube balancer for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200201267U CN202194624U (en) | 2011-08-02 | 2011-08-02 | Straight-tube balancer for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202194624U true CN202194624U (en) | 2012-04-18 |
Family
ID=45949541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200201267U Expired - Fee Related CN202194624U (en) | 2011-08-02 | 2011-08-02 | Straight-tube balancer for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202194624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041982A (en) * | 2011-01-21 | 2011-05-04 | 钱雪松 | Straight pipe type oil well balancer |
-
2011
- 2011-08-02 CN CN2011200201267U patent/CN202194624U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041982A (en) * | 2011-01-21 | 2011-05-04 | 钱雪松 | Straight pipe type oil well balancer |
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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: 20120418 Termination date: 20140802 |
|
| EXPY | Termination of patent right or utility model |