CN203257378U - Pumping unit - Google Patents
Pumping unit Download PDFInfo
- Publication number
- CN203257378U CN203257378U CN 201320180945 CN201320180945U CN203257378U CN 203257378 U CN203257378 U CN 203257378U CN 201320180945 CN201320180945 CN 201320180945 CN 201320180945 U CN201320180945 U CN 201320180945U CN 203257378 U CN203257378 U CN 203257378U
- Authority
- CN
- China
- Prior art keywords
- oil pumper
- flexible payload
- driving mechanism
- directive wheel
- payload band
- 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
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Abstract
The utility model relates to a pumping unit which comprises a machine base, a tower frame, a first guide wheel, a second guide wheel, a driving mechanism, a roller, a first flexible loading belt, a second flexible loading belt and a balance weight, wherein the lower end of the tower frame is connected with the machine base, the first guide wheel is installed on a first side of the top end of the tower frame, the second guide wheel is installed in a second side of the top end of the tower frame, the driving mechanism is installed on the machine base, and the roller is connected with the driving mechanism in a pivoted mode; the first flexible loading belt comprises a fixing end and a balance weight connecting end, the fixing end is connected with the roller, the first flexible loading belt is wound on the roller in a first direction, and the balance weight connecting end extends upwards and winds around the first guide wheel; the second flexible loading belt comprises a fixing end and a sucker rod connecting end, the fixing end of the second flexible loading belt is connected with the roller, the second flexible loading belt is wound on the roller in a second direction opposite to the first direction, and the sucker rod connecting end extends upwards and winds around the second guide wheel; the balance weight is connected with a balance weight connecting end of the first flexible loading belt. The pumping unit can improve convenience and safety of daily equipment management and maintenance.
Description
Technical field
The utility model relates to oil production equipment field, ground, particularly relates to a kind of oil pumper.
Background technology
In the oil exploitation process, underground crude oil adopted to be extracted into the main equipment of using on ground be exactly oil pumper.At present, mainly contain the beam-pumping unit of four-bar linkage structure and the vertical oil-pumping machine of the constant counterweight of long stroke.
Beam-pumping unit is owing to adopt four connecting rod frame for movements, it is maximum at upper lower dead point position acceleration when walking beam swings up and down, cause sucker rod and power output shaft to be subject to the effect of larger alternation inertial load, consequence is sucker rod fatigue fracture, dropout, and device efficiency is low.
Vertical oil-pumping machine be with the balance weight body of balance sucker rod deadweight with connects after the wire rope that hangs sucker rod is striden moving power cylinder (being equivalent to fixed pulley), the installation of power drum axle has the motor that rotating controls and drives.This design has changed the shortcoming of beam-pumping unit, has improved the efficient of equipment.Weak point is that power-driven mechanism is installed on 10 meters high pylon platforms the equipment management maintenance difficult.
The utility model content
The purpose of this utility model provides a kind of simple in structure, cost is low, equipment management is easy to maintenance oil pumper.
For solving the problems of the technologies described above, as an aspect of the present utility model, provide a kind of oil pumper, comprising: support; Pylon, the lower end of pylon is connected with support; The first directive wheel, the first directive wheel are installed in first side on pylon top; The second directive wheel, the second directive wheel are installed in second side on pylon top; Driving mechanism, driving mechanism are installed on the support; Cylinder, cylinder is connected pivotly with driving mechanism; The first flexible payload band, the first flexible payload band comprises fixed end and counterweight link, and fixed end is connected with cylinder, and on cylinder, the counterweight link of the first flexible payload band extends upward and walks around the first directive wheel to the first flexible payload band with first direction; The second flexible payload band, the second flexible payload band comprises fixed end and sucker rod link, the fixed end of the second flexible payload band is connected with cylinder, on cylinder, the sucker rod link of the second flexible payload band extends upward and walks around the second directive wheel to the second flexible payload band with the second direction opposite with first direction; Counterweight, counterweight is connected with the counterweight link of the first flexible payload band.
Further, oil pumper also comprises: frequency converter, be electrically connected with driving mechanism, and be used for the rotating speed of control driving mechanism; Controller is connected with frequency converter, and the output frequency that is used for arranging frequency converter is with the upstroke speed of the control oil pumper down stroke speed greater than oil pumper.
Further, oil pumper also comprises crossbeam, and crossbeam is installed in the top of pylon, the first directive wheel be connected directive wheel and be connected with the two ends of crossbeam respectively.
Further, oil pumper also comprises the first fixed pulley, and the counterweight link of the first flexible payload band is walked around the backward upper extension of the first fixed pulley.
Further, oil pumper also comprises the second fixed pulley, and the sucker rod link of the second flexible payload band is walked around the backward upper extension of the second fixed pulley.
The utility model is installed in driving mechanism on the support of the lower end that is positioned at pylon, therefore, can improve convenience and the safety of everyday devices management and maintenance.In addition, the utility model also has characteristics simple in structure, that cost is low.
Description of drawings
Fig. 1 has schematically shown front view of the present utility model; And
Fig. 2 has schematically shown the right view of Fig. 1.
Reference numeral among the figure: 1, support; 2, pylon; 3, the first directive wheel; 4, the second directive wheel; 5, driving mechanism; 6, cylinder; 7, the first flexible payload band; 8, the second flexible payload band; 9, counterweight; 10, sucker rod; 11, crossbeam; 12, the first fixed pulley; 13, the second fixed pulley; 14, switch board.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As depicted in figs. 1 and 2, the utility model provides a kind of oil pumper, and this oil pumper comprises: support 1; Pylon 2, the lower end of pylon 2 is connected with support 1; The first directive wheel 3, the first directive wheels 3 are installed in first side on pylon 2 tops; The second directive wheel 4, the second directive wheels 4 are installed in second side on pylon 2 tops; Driving mechanism 5, driving mechanism 5 are installed on the support 1; Cylinder 6, cylinder 6 is connected pivotly with driving mechanism 5; The first flexible payload band 7, the first flexible payload band 7 comprises fixed end and counterweight link, fixed end is connected with cylinder 6, and on cylinder 6, the counterweight link of the first flexible payload band 7 extends upward and walk around the first directive wheel 3 to the first flexible payload band 7 with first direction; The second flexible payload band 8, the second flexible payload band 8 comprises fixed end and sucker rod link, the fixed end of the second flexible payload band 8 is connected with cylinder 6, on cylinder 6, the sucker rod link of the second flexible payload band 8 extends upward and walks around the second directive wheel 4 to the second flexible payload band 8 with the second direction opposite with first direction; Counterweight 9, counterweight 9 is connected with the counterweight link of the first flexible payload band 7.Preferably, driving mechanism 5 can be motor etc.
Because on cylinder 6, therefore, when driving mechanism 5 head rolls 6 forward rotation, sucker rod 10 moves upward with opposite direction for the first flexible payload band 7 and the second flexible payload band 8, counterweight 9 moves downward; When driving mechanism 5 head rolls 6 backward rotation, sucker rod 10 moves downward, and counterweight 9 moves upward.Go round and begin again, just realized the process of extracting downhole petroleum.
The utility model is installed in driving mechanism 5 on the support 1 of the lower end that is positioned at pylon 2, therefore, can improve convenience and the safety of everyday devices management and maintenance.In addition, the utility model also has characteristics simple in structure, that cost is low.
In the actual use of oil pumper, when requiring down stroke speed more slowly, otherwise sucker rod 10 can be crooked and produces the eccentric wear loss with down-hole oil tube; Speed can improve unit interval extracting number of times hurry up during upstroke.Yet two kinds of oil pumpers of the prior art all can not satisfy this instructions for use.For addressing this problem, preferably, oil pumper also comprises: frequency converter, be electrically connected with driving mechanism 5, and be used for the rotating speed of control driving mechanism 5; Controller is connected with frequency converter, and the output frequency that is used for arranging frequency converter is with the upstroke speed of the control oil pumper down stroke speed greater than oil pumper, thereby has realized the variable motion of up-down stroke.The eccentric wear that such mode of operation has not only alleviated sucker rod and oil pipe damages, and has also improved the system effectiveness of oil pumper, has reduced to promote ton liquid power consumption level.Preferably, frequency converter and controller are installed in the switch board 14.Switch board 14 is installed on the support 1, and lays respectively at the both sides of pylon 2 with driving mechanism 5.
Preferably, oil pumper also comprises crossbeam 11, and crossbeam 11 is installed in the top of pylon 2, the first directive wheel 3 be connected directive wheel 4 and be connected with the two ends of crossbeam 11 respectively.
Preferably, oil pumper comprises that also the counterweight link of the first fixed pulley 12, the first flexible payload bands 7 walks around the 12 backward upper extensions of the first fixed pulley.
Preferably, oil pumper comprises that also the sucker rod link of the second fixed pulley 13, the second flexible payload bands 8 walks around the 13 backward upper extensions of the second fixed pulley.
In sum, the utility model provides a kind of driving mechanism to be installed in oil pumper bottom and the variable constant counterweight vertical oil-pumping machine of long stroke of up-down stroke movement velocity.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. an oil pumper is characterized in that, comprising:
Support (1);
Pylon (2), the lower end of described pylon (2) is connected with described support (1);
The first directive wheel (3), described the first directive wheel (3) is installed in first side on described pylon (2) top;
The second directive wheel (4), described the second directive wheel (4) is installed in second side on described pylon (2) top;
Driving mechanism (5), described driving mechanism (5) are installed on the described support (1);
Cylinder (6), described cylinder (6) is connected pivotly with described driving mechanism (5);
The first flexible payload band (7), described the first flexible payload band (7) comprises fixed end and counterweight link, described fixed end is connected with described cylinder (6), on described cylinder (6), the counterweight link of described the first flexible payload band (7) extends upward and walks around described the first directive wheel (3) to described the first flexible payload band (7) with first direction;
The second flexible payload band (8), described the second flexible payload band (8) comprises fixed end and sucker rod link, the fixed end of described the second flexible payload band (8) is connected with described cylinder (6), on described cylinder (6), the sucker rod link of described the second flexible payload band (8) extends upward and walks around described the second directive wheel (4) to described the second flexible payload band (8) with the second direction opposite with described first direction;
Counterweight (9), described counterweight (9) is connected with the described counterweight link of described the first flexible payload band (7).
2. oil pumper according to claim 1 is characterized in that, described oil pumper also comprises:
Frequency converter is electrically connected with described driving mechanism (5), is used for controlling the rotating speed of described driving mechanism (5);
Controller is connected with described frequency converter, and the output frequency that is used for arranging described frequency converter is with the upstroke speed of the controlling described oil pumper down stroke speed greater than described oil pumper.
3. oil pumper according to claim 1, it is characterized in that, described oil pumper also comprises crossbeam (11), and described crossbeam (11) is installed in the top of described pylon (2), described the first directive wheel (3) be connected the second directive wheel (4) and be connected with the two ends of described crossbeam (11) respectively.
4. oil pumper according to claim 1 is characterized in that, described oil pumper also comprises the first fixed pulley (12), and the counterweight link of described the first flexible payload band (7) is walked around the backward upper extension of described the first fixed pulley (12).
5. oil pumper according to claim 4 is characterized in that, described oil pumper also comprises the second fixed pulley (13), and the sucker rod link of described the second flexible payload band (8) is walked around the backward upper extension of described the second fixed pulley (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180945 CN203257378U (en) | 2013-04-11 | 2013-04-11 | Pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180945 CN203257378U (en) | 2013-04-11 | 2013-04-11 | Pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257378U true CN203257378U (en) | 2013-10-30 |
Family
ID=49469955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320180945 Expired - Fee Related CN203257378U (en) | 2013-04-11 | 2013-04-11 | Pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005737A (en) * | 2014-05-13 | 2014-08-27 | 昆山航天林泉电机有限公司 | Guiding mechanism for tower-type pumping unit weight box rolling guiding wheel |
-
2013
- 2013-04-11 CN CN 201320180945 patent/CN203257378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005737A (en) * | 2014-05-13 | 2014-08-27 | 昆山航天林泉电机有限公司 | Guiding mechanism for tower-type pumping unit weight box rolling guiding wheel |
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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: 20131030 Termination date: 20210411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |