CN203547680U - Balance adjusting device for pumping unit - Google Patents
Balance adjusting device for pumping unit Download PDFInfo
- Publication number
- CN203547680U CN203547680U CN201320726180.2U CN201320726180U CN203547680U CN 203547680 U CN203547680 U CN 203547680U CN 201320726180 U CN201320726180 U CN 201320726180U CN 203547680 U CN203547680 U CN 203547680U
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- Prior art keywords
- pumping unit
- leading screw
- balance
- lead screw
- bearing support
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Abstract
The utility model provides a balance adjusting device for a pumping unit. According to the technical scheme, the balance adjusting device comprises a balance support, and a fixed seat is arranged at one end of the balance support and provided with a lead screw supporting frame. A bearing seat is arranged at the other end of the balance support, a motor is fixedly arranged at the upper end of the bearing seat and is connected with a lead screw through a speed reducer, the other end of the lead screw penetrates through the lead screw supporting frame at one end of the balance support, a lead screw nut is assembled on the lead screw, and the lead screw nut is sleeved with a balancing weight. A displacement adjusting mechanism is arranged on the bearing seat. Through the arrangement of the displacement adjusting mechanism, the position of the lead screw can be adjusted, the balance adjusting range can be widened without increasing the length of the lead screw, and adjusting accuracy is improved.
Description
Technical field
The utility model relates to the pumping unit apparatus that a kind of oil extraction in oil field is used, and relates in particular to a kind of balancing device for pumping unit.
Background technology
At present, beam-pumping unit, when operation, discharges the acting of winding shaft liquid by the potential energy of power source and balanced body during upstroke, and during down stroke, by sucker rod, deadweight is fallen, and makes balanced body storage of potential energy.The method of traditional balance adjustment of pumping unit has two kinds: the one, and well site records the acting figure of rod-pumped well, if oil pumper is in non-equilibrium state after artificial judgment, calculated equilibrium regulating weight, stop oil pump running, the artificial quantity that reduces or increase balancing weight in lower inclined to one side balanced body, makes the very thick language equilibrium state of oil pump running.This regulative mode has a lot of problems in actual use, such as balancing weight is easily lost, the large a dead lift that needs of labour intensity; Balance adjustment is carried out in required shutdown, causes delaying production; Balancing all need carry out in well site, and efficiency is low.The 2nd, the balance adjustment of pumping unit while adopting crank balance device to carry out oil extraction in oil field, adopts crank adjustment, exists degree of regulation low, regulate parameter complicated operation, expend man-hour long, increase operating personnel's labour intensity, affect the problem of normal production time of rod-pumped well.At present also do not have effective way to facilitate the method for balancing.
Notice of authorization number is that the open text of the Chinese utility model patent of CN201103383Y discloses a kind of fine adjustment balancing device of oil pumping machine, this fine adjustment balancing device of oil pumping machine comprises backing plate, motor, reducer, adjusting screw, motor is connected with reducer, reducer is connected with adjusting screw, on adjusting screw, by mother lead screw, is connected with balance weight iron., although can carry out balance adjustment, there is following shortcoming in this fine adjustment balancing device of oil pumping machine: the one, and degree of regulation is low; The 2nd, adjusting screw position is fixed, and balance adjustment scope is little, and the 3rd, on described backing plate, be not provided with chute, balance weight iron directly slidably reciprocates on backing plate surface, and frictional resistance is large, fragile backing plate.
Summary of the invention
Technical problem to be solved in the utility model, is exactly for the existing deficiency of prior art, and the balancing device for pumping unit that a kind of degree of regulation is high, balance adjustment scope is large, frictional resistance is little is provided.
This programme is achieved by the following technical measures: balancing device for pumping unit of the present utility model, is characterized in that: comprise balance bracket, one end of this balance bracket is provided with holder, and leading screw bearing support is installed on this holder; The other end of described balance bracket is provided with bearing support, this bearing support upper end is fixed with motor, and this motor is connected with leading screw by reducer, and the other end of this leading screw is through the leading screw bearing support of balance bracket one end, on described leading screw, be equipped with feed screw nut, this feed screw nut is set with balancing weight; Displacement governor motion is installed on described bearing support.By displacement governor motion is set, position that can adjusting screw, not increasing on the basis of leading screw length, can increase balance adjustment scope, improves degree of regulation.
The further improvement of balancing device for pumping unit of the present utility model is: described displacement governor motion comprises tooth bar, on this tooth bar, is equipped with gear, and the gear shaft of this gear is connected with displacement motor by connector.Moving horizontally by gear on tooth bar, is not changing on the basis of leading screw connected mode, changes the position of leading screw on balance bracket.
The further improvement of balancing device for pumping unit of the present utility model is: described bearing support is fixed by connecting axle with the gear of displacement governor motion.
The further improvement of balancing device for pumping unit of the present utility model is: on described balance bracket, be also fixed with slide rail, the lower end of described balancing weight is arranged in slide rail, can reduce the frictional force between balancing weight and balance bracket, extend the application life of balance bracket.
The further improvement of balancing device for pumping unit of the present utility model is: one end of described slide rail is fixedly connected with holder sidewall.
The further improvement of balancing device for pumping unit of the present utility model is: the other end of described slide rail is provided with locating piece, and the length of described slide rail is less than the length of leading screw.
The beneficial effect of this programme can be learnt according to the narration to such scheme, due in this scheme, displacement governor motion is installed on bearing support, can not change on the basis of leading screw connected mode, change the position of leading screw on balance bracket, not increasing on the basis of leading screw length, can increase balance adjustment scope, improve degree of regulation.Owing to being also fixed with slide rail on balance bracket, the lower end of described balancing weight is arranged in slide rail, can reduce the frictional force between balancing weight and balance bracket, extends the application life of balance bracket.As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment.
In figure, 1 is balance bracket; 2 is holder; 3 is leading screw bearing support; 4 is bearing support; 5 is motor; 6 is reducer; 7 is leading screw; 8 is feed screw nut; 9 is displacement governor motion; 9-1 is displacement motor; 9-2 is gear; 9-3 is tooth bar; 10 is balancing weight; 11 is locating piece; 12 is slide rail.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below by a specific embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
By accompanying drawing, can find out, balancing device for pumping unit of the present utility model, is characterized in that: comprise balance bracket 1, one end of this balance bracket 1 is provided with holder 2, on this holder 2, leading screw bearing support 3 is installed; The other end of described balance bracket 1 is provided with bearing support 4, these bearing support 4 upper ends are fixed with motor 5, this motor 5 is connected with leading screw 7 by reducer 6, the other end of this leading screw 7 is through the leading screw bearing support 3 of balance bracket 1 one end, on described leading screw 7, be equipped with feed screw nut 8, this feed screw nut 8 is set with balancing weight 10; Displacement governor motion 9 is installed on described bearing support 4.By displacement governor motion 9 is set, position that can adjusting screw 7, not increasing on the basis of leading screw 7 length, can increase balance adjustment scope, improves degree of regulation.
The further improvement of balancing device for pumping unit of the present utility model is: described displacement governor motion 9 comprises tooth bar 9-3, on this tooth bar 9-3, is equipped with gear 9-2, and the gear shaft of this gear 9-2 is connected with displacement motor 9-1 by connector.Moving horizontally by gear on tooth bar, is not changing on the basis of leading screw connected mode, changes the position of leading screw on balance bracket.
The further improvement of balancing device for pumping unit of the present utility model is: described bearing support 4 is fixed by connecting axle with the gear of displacement governor motion 9.
The further improvement of balancing device for pumping unit of the present utility model is: on described balance bracket 1, be also fixed with slide rail 12, the lower end of described balancing weight 10 is arranged in slide rail 12, can reduce the frictional force between balancing weight and balance bracket, extend the application life of balance bracket.
The further improvement of balancing device for pumping unit of the present utility model is: one end of described slide rail 12 is fixedly connected with holder 2 sidewalls.
The further improvement of balancing device for pumping unit of the present utility model is: the other end of described slide rail 12 is provided with locating piece 11, and the length of described slide rail is less than the length of leading screw.
The beneficial effect of this programme can be learnt according to the narration to such scheme, due in this scheme, displacement governor motion is installed on bearing support, can not change on the basis of leading screw connected mode, change the position of leading screw on balance bracket, not increasing on the basis of leading screw length, can increase balance adjustment scope, improve degree of regulation.Owing to being also fixed with slide rail on balance bracket, the lower end of described balancing weight is arranged in slide rail, can reduce the frictional force between balancing weight and balance bracket, extends the application life of balance bracket.As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
The utility model can pass through existing techniques in realizing without the technical characterictic of describing, and does not repeat them here.Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art make in essential scope of the present utility model, also should belong to protection domain of the present utility model.
Claims (6)
1. a balancing device for pumping unit, is characterized in that: comprise balance bracket, one end of this balance bracket is provided with holder, and leading screw bearing support is installed on this holder; The other end of described balance bracket is provided with bearing support, this bearing support upper end is fixed with motor, and this motor is connected with leading screw by reducer, and the other end of this leading screw is through the leading screw bearing support of balance bracket one end, on described leading screw, be equipped with feed screw nut, this feed screw nut is set with balancing weight; Displacement governor motion is installed on described bearing support.
2. balancing device for pumping unit according to claim 1, is characterized in that: described displacement governor motion comprises tooth bar, on this tooth bar, is equipped with gear, and the gear shaft of this gear is connected with displacement motor by connector.
3. balancing device for pumping unit according to claim 2, is characterized in that: described bearing support is fixed by connecting axle with the gear of displacement governor motion.
4. according to the balancing device for pumping unit described in claim 1 or 2 or 3, it is characterized in that: on described balance bracket, be also fixed with slide rail, the lower end of described balancing weight is arranged in slide rail.
5. balancing device for pumping unit according to claim 4, is characterized in that: one end of described slide rail is fixedly connected with holder sidewall.
6. balancing device for pumping unit according to claim 5, is characterized in that: the other end of described slide rail is provided with locating piece, and the length of described slide rail is less than the length of leading screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726180.2U CN203547680U (en) | 2013-11-18 | 2013-11-18 | Balance adjusting device for pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726180.2U CN203547680U (en) | 2013-11-18 | 2013-11-18 | Balance adjusting device for pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547680U true CN203547680U (en) | 2014-04-16 |
Family
ID=50465809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320726180.2U Expired - Fee Related CN203547680U (en) | 2013-11-18 | 2013-11-18 | Balance adjusting device for pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547680U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763384A (en) * | 2015-04-03 | 2015-07-08 | 高洪丽 | Oscillating bar tower type intelligent oil pumping unit |
| CN105134139A (en) * | 2015-09-07 | 2015-12-09 | 西南石油大学 | Crank balance automatic adjusting device of beam-pumping unit |
| CN105221116A (en) * | 2015-11-03 | 2016-01-06 | 西南石油大学 | A kind of crank balance self-checking device |
| CN106092444A (en) * | 2016-08-02 | 2016-11-09 | 北方民族大学 | The gravity balance device of a kind of Dual-motors Driving and control method |
| CN106388878A (en) * | 2016-08-30 | 2017-02-15 | 苏州品诺维新医疗科技有限公司 | Power control device and control method thereof and surgical operating system |
| CN106481769A (en) * | 2016-08-30 | 2017-03-08 | 英姿医疗科技（杭州）有限公司 | A kind of driving means and the device drives method based on driving means |
-
2013
- 2013-11-18 CN CN201320726180.2U patent/CN203547680U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763384A (en) * | 2015-04-03 | 2015-07-08 | 高洪丽 | Oscillating bar tower type intelligent oil pumping unit |
| CN105134139A (en) * | 2015-09-07 | 2015-12-09 | 西南石油大学 | Crank balance automatic adjusting device of beam-pumping unit |
| CN105221116A (en) * | 2015-11-03 | 2016-01-06 | 西南石油大学 | A kind of crank balance self-checking device |
| CN105221116B (en) * | 2015-11-03 | 2018-05-08 | 西南石油大学 | A kind of crank balance self-checking device |
| CN106092444A (en) * | 2016-08-02 | 2016-11-09 | 北方民族大学 | The gravity balance device of a kind of Dual-motors Driving and control method |
| CN106388878A (en) * | 2016-08-30 | 2017-02-15 | 苏州品诺维新医疗科技有限公司 | Power control device and control method thereof and surgical operating system |
| CN106481769A (en) * | 2016-08-30 | 2017-03-08 | 英姿医疗科技（杭州）有限公司 | A kind of driving means and the device drives method based on driving means |
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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: 20140416 Termination date: 20141118 |
|
| EXPY | Termination of patent right or utility model |