CN113216904A - Frequency conversion intelligent paraffin removal device - Google Patents
Frequency conversion intelligent paraffin removal device Download PDFInfo
- Publication number
- CN113216904A CN113216904A CN202110630315.4A CN202110630315A CN113216904A CN 113216904 A CN113216904 A CN 113216904A CN 202110630315 A CN202110630315 A CN 202110630315A CN 113216904 A CN113216904 A CN 113216904A
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- Prior art keywords
- roller
- clutch
- motor
- variable
- removal device
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- 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.)
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- 239000012188 paraffin wax Substances 0.000 title claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 title claims description 5
- 238000003466 welding Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 239000001993 wax Substances 0.000 claims abstract description 19
- 230000009467 reduction Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000005674 electromagnetic induction Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000007790 scraping Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A variable-frequency intelligent paraffin removal device comprises a self-welding base, a control box, a clutch, a hand brake, a roller, a three-stage reduction box, a roller bracket, a motor and a belt transmission assembly; the control box is used for controlling the running state of the motor and the rotating speed of the roller; the motor is connected with the three-stage reduction gearbox through the belt transmission assembly, and the three-stage reduction gearbox is connected with central shafts at two ends of the roller through splines; a steel wire rope is wound on the outer side wall of the roller, one end of the steel wire rope is fixedly connected with the roller, and the other end of the steel wire rope is provided with a wax scraper; the clutch is fixedly arranged on the roller bracket and symmetrically sleeved at two ends of the roller, and the hand brake is arranged at the outer side of the clutch to control the friction force between the clutch and the roller. The invention has the beneficial effects that: the user adjusts the friction resistance at the two ends of the clutch and the roller according to the field working condition through controlling the hand brake in real time, so that the rotating speed of the roller is adjusted in real time, and a more suitable wax scraping effect is achieved.
Description
Technical Field
The invention relates to the technical field of oil exploitation equipment, in particular to a variable-frequency intelligent paraffin removal device.
Background
In the process of extracting crude oil, the crude oil flows to the bottom of a well from a high-temperature and high-pressure environment and is lifted to the ground by an underground electric pump and the like, the temperature and the pressure are gradually reduced along with the change of the height of the well, when the temperature and the pressure are reduced to a certain degree and reach the proper condition of paraffin precipitation, the paraffin begins to be precipitated from the crude oil to form crystalline particles which are attached to a sucker rod, a pump cylinder or the wall of an oil pipe.
In order to solve the problem caused by wax deposition of the sucker rod pump pumping well, the oil field is wax-protected by adopting the technologies of ultrasonic wax protection, strong magnetic wax protection, microorganism wax protection and the like according to the structure of the oil well per se under the conventional condition, and the deposited hard wax is cleaned by thermal wax removal, chemical wax removal and traditional mechanical wax removal.
Mechanical paraffin removal in the traditional sense means that a paraffin removal sheet or a paraffin removal drill bit or a nylon paraffin scraper and other tools are installed in an oil well so as to scrape off hard wax on the inner wall of the oil pipe, and meanwhile, the scraped hard wax is brought to the ground by means of oil flow. The traditional mechanical paraffin removal technology has the advantages that the operation is simple, but in the use process of the existing paraffin removal device, a steel wire rope is always in a stressed and tight state during paraffin removal operation, the paraffin scraper cannot effectively adjust the paraffin scraping speed in real time in an electrodeless way when scraping paraffin in an oil pipe, the steel wire rope cannot well adapt to the working condition of a site when being used in the site, the paraffin scraping effect cannot achieve a more appropriate effect, meanwhile, if the steel wire rope encounters a paraffin scraping obstacle in the process of dragging the paraffin scraper, fatigue damage is easy to occur when the paraffin scraping speed cannot be adjusted in real time, the steel wire rope is broken, the safety of personnel and equipment can be threatened by the swinging steel wire rope, and potential safety hazards exist.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a variable-frequency intelligent paraffin removal device, which comprises an automatic welding base, a control box, a clutch, a hand brake, a roller, a three-stage reduction box, a roller bracket, a motor and a belt transmission assembly, wherein the automatic welding base is welded with the control box; a roller is arranged on the roller bracket, a steel wire rope is wound on the outer side wall of the roller, one end of the steel wire rope is fixedly connected with the roller, and the other end of the steel wire rope is provided with a wax scraper; the two ends of the roller are symmetrically sleeved with clutches, the clutches are of a pair of annular structures with a gap, a gap exists between the clutches and the roller, and a first lifting lug and a second lifting lug are respectively arranged on the two sides of the gap of the clutches; the clutch outside is provided with the manual brake, and the manual brake includes connecting rod, handle, and connecting rod one end is articulated with first lug, and the other end is articulated mutually with handle one end, and the handle middle part is articulated mutually with the second lug, through the frictional force size between the steerable clutch of manual brake and cylinder.
Further, the control box is used for controlling the running state of the motor and the rotating speed of the roller; the motor is connected with the three-stage reduction gearbox through the belt transmission assembly, and the three-stage reduction gearbox is connected with the central shafts at the two ends of the roller through splines.
Preferably, one end of the handle, which is close to the connecting rod, is provided with a sleeve, one end of the sleeve is hinged with the connecting rod, the other end of the sleeve is hinged with the second lifting lug and is fixedly connected with the handle, a certain bending angle is formed between the sleeve and the handle, and the bending direction is close to the clutch.
Furthermore, the self-welding base is of a double-layer support structure, and the motor is arranged on a layer of support, close to the ground, of the self-welding base and is fixed with the self-welding base through screws.
Further, the self-welding base upper support and the roller support are integrally arranged and used for supporting the roller and the three-stage reduction gearbox, the belt transmission assembly is arranged on one side of the self-welding base and comprises a belt, a driving wheel and a driven wheel, the motor and the three-stage reduction gearbox are respectively connected with the driving wheel and the driven wheel, and the belt is sleeved on the driving wheel and the driven wheel.
Furthermore, an electromagnetic induction counter, a power switch, a forward rotation switch, a reverse rotation switch and a variable frequency regulating switch are arranged in the control box, wherein the electromagnetic induction counter, the power switch, the forward rotation switch and the reverse rotation switch are electrically connected with the motor, and the variable frequency regulating switch is electrically connected with the motor through a variable frequency regulating device.
Furthermore, the control box is erected on the self-welding base and is higher than the roller in erection height.
The invention has the beneficial effects that: the user can adjust the frictional resistance at clutch and cylinder both ends through the control to the manual brake in real time according to the on-the-spot operating mode, realizes adjusting the slew velocity of cylinder in real time, no matter cylinder corotation or reversal, homoenergetic adopts this kind of control means to reach the wax effect of scraping that more suits, skids in order to protect tertiary reducing gear box and motor through the belt simultaneously.
Drawings
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention;
fig. 2 is a detail view of the clutch and handbrake.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts will fall within the protection scope of the present invention.
As shown in figure 1, the invention provides a variable-frequency intelligent paraffin removal device, which is used for paraffin removal operation of an oil well in a production process. The method comprises the following steps: the device comprises a control box 1, an electromagnetic induction counter 2, a forward rotation switch 3, a power switch 4, a reverse rotation switch 5, a variable frequency adjusting switch 6, a clutch 7, a hand brake 8, a roller 9, a three-stage reduction gearbox 10, a roller support 11, a motor 12, a belt shield 13 and a self-welding base 14.
The self-welding base 14 is arranged on the ground or a paraffin removal vehicle and is of a double-layer support structure, and the motor 12 is arranged on a layer of support, close to the ground, of the self-welding base 14 and fixed with the self-welding base 14 through screws.
From 14 upper strata supports of welding base and 11 integrative settings of cylinder support for supporting cylinder 9 and tertiary reducing gear box 10, belt drive assembly 13 sets up in 14 one sides of self-welding base, belt drive assembly 13 includes the belt, the action wheel with from the driving wheel, motor 12 and tertiary reducing gear box 10 link to each other with the action wheel respectively and from the driving wheel, the outside cover of belt drive assembly 13 is equipped with the belt guard shield, tertiary reducing gear box 10 links to each other through spline and cylinder 9 both ends center pin.
And a steel wire rope is wound on the outer side wall of the roller 9, one end of the steel wire rope is fixedly connected with the roller 9, and the other end of the steel wire rope is provided with a wax scraper.
The control box 1 is erected on the self-welding base 14, is erected at a height higher than that of the roller 9, and is used for controlling the running state of the motor 12 and the rotating speed of the roller 9. An electromagnetic induction counter 2, a forward rotation switch 3, a power switch 4, a reverse rotation switch 5 and a variable frequency regulating switch 6 are arranged in the control box 1; the electromagnetic induction counter 2, the forward rotation switch 3, the power switch 4 and the reverse rotation switch 5 are electrically connected with the motor 12 and used for controlling starting, stopping and forward and reverse rotation of the motor 12, and the variable frequency adjusting switch 6 is electrically connected with the motor 12 through a variable frequency adjusting device so as to control the rotating speed of the motor 12.
As shown in fig. 2, the clutch 7 is a pair of circular ring structures with a gap, the clutch 7 is fixedly arranged on the roller bracket 11, and is symmetrically sleeved at two ends of the roller 9, and a gap is formed between the clutch 7 and the roller 9, so as to avoid influencing the rotation of the roller 9; a first lifting lug 71 and a second lifting lug 72 are respectively arranged on two sides of the gap of the clutch 7; the hand brake 8 is arranged outside the clutch 7 and controls the friction force between the clutch 7 and the roller 9.
The hand brake 8 specifically comprises a connecting rod 81 and a handle 83, one end of the connecting rod 81 is hinged with the first lifting lug 71, the other end of the connecting rod 81 is hinged with one end of the handle 83, and the middle part of the handle is hinged with the second lifting lug 72; specifically, one end of the handle 82 close to the connecting rod 81 is provided with a sleeve 82, one end of the sleeve 82 is hinged to the connecting rod 81, the other end of the sleeve 82 is hinged to the second lifting lug 72 and is fixedly connected with the handle 83, a certain bending angle exists between the sleeve 82 and the handle 83, the bending direction is close to the clutch 7, and the handle 83 is convenient to press down.
When the handle 83 is pressed down, the handle 83 drives the sleeve 82 to rotate along the second lifting lug 72, then the sleeve 82 and one end, hinged to the connecting rod 81, of the sleeve are driven to tilt in the direction away from the clutch 7, the first lifting lug 71 is pulled to move to the position of the notch, the distance between the notches of the clutch 7 is reduced, the friction force between the clutch 7 and the roller 9 is increased, and then the roller 9 is subjected to friction braking, so that the speed reduction of the roller 9 is realized. The degree of deceleration can be adjusted by the degree of depression of the handle 83; similarly, when the handle 83 is moved upward in a pressed state, the distance between the notches of the clutch 7 is increased, the degree of contact tightness between the clutch 7 and the drum 9 is decreased, the frictional resistance is decreased, the rotational speed of the drum 9 is recovered, and the rotational speed recovery speed and the upward movement speed by the handle 83 are adjusted.
When the frequency conversion intelligent paraffin removal device operates, the steel wire rope with the proper length is wound on the outer side wall of the roller 9, the lower part of the steel wire rope is provided with the paraffin scraper, after the device is electrified, the power switch 4 is in an open state, the motor 12, the electromagnetic induction counter 2, the forward rotation switch 3 and the reverse rotation switch 5 are both in an electrified state, when the forward rotation switch 3 is clicked, the control roller 9 starts to rotate forwards, the fixed rotating speed of the roller 9 is controlled through the frequency conversion regulating switch 6, the steel wire rope wound on the roller 9 is released, and the paraffin scraper at the other end of the steel wire rope acts on the inner wall of an oil. When the paraffin scraper runs into the barrier and can not continue to be transferred in the paraffin removal process, the reversing switch 5 is clicked, so that the roller 9 rotates reversely to lift the steel wire rope, the position of the paraffin scraper is driven to be readjusted, and the paraffin scraper is transferred again. When the releasing speed of the steel wire rope is too high, the distance between the gaps of the clutch 7 is reduced by pressing the hand brake 8 downwards, and the friction resistance between the clutch 7 and the two ends of the roller 9 is increased, so that the rotating speed of the roller 9 is reduced, the effect of timely and stepless regulating and controlling the rotating speed of the roller 9 is realized, and the lowering speed of the wax scraper can be better controlled; and similarly, the upper spanner brake 8 can realize the recovery of the lowering speed of the wax scraper. Both sides all set up the frictional resistance at the control clutch 7 that manual brake 8 and clutch 7 can be better and cylinder 9 both ends, and the user of service can be according to the real-time control through 8 to manual brake of site work condition, come to adjust the slew velocity of cylinder 9, no matter be cylinder 9 corotation or reversal, this kind of control means of homoenergetic adoption to reach the more suitable wax effect of scraping, skid the tertiary reducing gear box 10 of protection and motor 12 that can be better simultaneously through the belt.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a frequency conversion intelligence paraffin removal device which characterized in that: the automatic welding device comprises a self-welding base, a control box, a clutch, a hand brake, a roller, a three-stage reduction gearbox, a roller bracket, a motor and a belt transmission assembly; a roller is arranged on the roller bracket, a steel wire rope is wound on the outer side wall of the roller, one end of the steel wire rope is fixedly connected with the roller, and the other end of the steel wire rope is provided with a wax scraper; the two ends of the roller are symmetrically sleeved with clutches, the clutches are of a pair of annular structures with a gap, a gap exists between the clutches and the roller, and a first lifting lug and a second lifting lug are respectively arranged on the two sides of the gap of the clutches; the clutch outside is provided with the manual brake, and the manual brake includes connecting rod, handle, and connecting rod one end is articulated with first lug, and the other end is articulated mutually with handle one end, and the handle middle part is articulated mutually with the second lug, through the frictional force size between the steerable clutch of manual brake and cylinder.
2. The variable-frequency intelligent paraffin removal device of claim 1, wherein: the control box is used for controlling the running state of the motor and the rotating speed of the roller; the motor is connected with the three-stage reduction gearbox through the belt transmission assembly, and the three-stage reduction gearbox is connected with the central shafts at the two ends of the roller through splines.
3. The variable-frequency intelligent paraffin removal device of claim 1, wherein: the handle is close to the one end of connecting rod and sets up the sleeve pipe, sleeve pipe one end and connecting rod are articulated mutually, and the other end is articulated mutually with the second lug to link to each other with the handle is fixed, there is certain angle of buckling between sleeve pipe and the handle, the direction of buckling is close to the clutch.
4. The variable-frequency intelligent paraffin removal device of claim 2, wherein: the self-welding base is of a double-layer support structure, and the motor is arranged on a layer of support, close to the ground, of the self-welding base and is fixed with the self-welding base through screws.
5. The variable-frequency intelligent paraffin removal device of claim 4, wherein: the self-welding base upper support and the roller support are integrally arranged and used for supporting the roller and the three-stage reduction gearbox, the belt transmission assembly is arranged on one side of the self-welding base and comprises a belt, a driving wheel and a driven wheel, the motor and the three-stage reduction gearbox are respectively connected with the driving wheel and the driven wheel, and the belt is sleeved on the driving wheel and the driven wheel.
6. The variable-frequency intelligent paraffin removal device of claim 1, wherein: an electromagnetic induction counter, a power switch, a forward rotation switch, a reverse rotation switch and a variable frequency regulating switch are arranged in the control box, wherein the electromagnetic induction counter, the power switch, the forward rotation switch and the reverse rotation switch are electrically connected with the motor, and the variable frequency regulating switch is electrically connected with the motor through a variable frequency regulating device.
7. The variable-frequency intelligent paraffin removal device of claim 1, wherein: the control box is erected on the self-welding base and is higher than the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630315.4A CN113216904A (en) | 2021-06-07 | 2021-06-07 | Frequency conversion intelligent paraffin removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630315.4A CN113216904A (en) | 2021-06-07 | 2021-06-07 | Frequency conversion intelligent paraffin removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113216904A true CN113216904A (en) | 2021-08-06 |
Family
ID=77083063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110630315.4A Pending CN113216904A (en) | 2021-06-07 | 2021-06-07 | Frequency conversion intelligent paraffin removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113216904A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2061844C1 (en) * | 1992-08-05 | 1996-06-10 | Николай Петрович Пинчук | Method for cleaning filtering tubes of a well |
| CN201874531U (en) * | 2010-11-02 | 2011-06-22 | 中国石油化工股份有限公司 | DC (direct current) electric paraffin cleaning hoist |
| CN202011717U (en) * | 2010-12-20 | 2011-10-19 | 张惠 | Winch of an oil production vehicle |
| CN103043549A (en) * | 2011-10-13 | 2013-04-17 | 陈红兵 | Mechanical paraffin cleaning hoist applied to field of petroleum |
| CN204684480U (en) * | 2015-05-27 | 2015-10-07 | 陈绍雄 | Automatic speed-limiting downfall equipment |
| CN206521225U (en) * | 2017-02-20 | 2017-09-26 | 王红兴 | Dc speed regulation paraffin hoist |
-
2021
- 2021-06-07 CN CN202110630315.4A patent/CN113216904A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2061844C1 (en) * | 1992-08-05 | 1996-06-10 | Николай Петрович Пинчук | Method for cleaning filtering tubes of a well |
| CN201874531U (en) * | 2010-11-02 | 2011-06-22 | 中国石油化工股份有限公司 | DC (direct current) electric paraffin cleaning hoist |
| CN202011717U (en) * | 2010-12-20 | 2011-10-19 | 张惠 | Winch of an oil production vehicle |
| CN103043549A (en) * | 2011-10-13 | 2013-04-17 | 陈红兵 | Mechanical paraffin cleaning hoist applied to field of petroleum |
| CN204684480U (en) * | 2015-05-27 | 2015-10-07 | 陈绍雄 | Automatic speed-limiting downfall equipment |
| CN206521225U (en) * | 2017-02-20 | 2017-09-26 | 王红兴 | Dc speed regulation paraffin hoist |
Non-Patent Citations (1)
| Title |
|---|
| 小邯制图: "《一种刹车机构》", 4 April 2021 * |
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