CN107218014B - Springback structure after cantilever rotation abdication - Google Patents
Springback structure after cantilever rotation abdication Download PDFInfo
- Publication number
- CN107218014B CN107218014B CN201710339731.2A CN201710339731A CN107218014B CN 107218014 B CN107218014 B CN 107218014B CN 201710339731 A CN201710339731 A CN 201710339731A CN 107218014 B CN107218014 B CN 107218014B
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- rotating arm
- push rod
- roller
- rotating
- base
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- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 abstract description 2
- 230000002238 attenuated effect Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
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)
- Pivots And Pivotal Connections (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a cantilever rotating and abdicating back rebound structure which comprises a rotating arm hinged on a frame through a rotating shaft, wherein the outer end of the rotating arm is connected with the frame through a rotating pull rope, the inner end of the rotating arm is provided with a push rod, the push rod is elastically connected with the rotating arm, the inner side of the rotating shaft on the frame is also provided with a base, and when the rotating arm is pulled up, the push rod is propped against the base. According to the invention, the ejector rod which is elastically connected is arranged on the rotating arm, when the rotating arm is pulled up, the ejector rod and the base prop against the extrusion spring to form elasticity, when the rotating pull rope is loosened, the rotating arm can restore to the original position under the action of the elasticity, meanwhile, due to the fact that the roller is arranged on the base, friction can be reduced when the ejector rod is contacted with the roller, the service life is prolonged, and in addition, due to the fact that the bolt is further arranged on the base, when the elasticity of the spring is attenuated after long-term use, the bolt is improved, and the return of the rotating arm can be assisted.
Description
Technical Field
The invention belongs to the field of beam-free pumping unit equipment, and particularly relates to a rebound structure after cantilever rotation abdication.
Background
At present, a novel beam-free pumping unit is characterized in that a cantilever structure is adopted in order that a pumping rod and a lifting belt are in the same center, rollers are placed at the front section of the cantilever, the lifting belt is fixed with the pumping rod after bypassing the rollers so as to achieve the concentricity of the pumping rod and the lifting belt, and otherwise, the pumping rod transversely pulls, so that the eccentric wear is caused. When the well is repaired, the cantilever is required to be removed from the central diameter 700 of the sucker rod, the sucker rod is conveniently lifted by a workover rig or other equipment, and the like, most of the existing market adopts a mode that the cantilever is bent upwards, and the other mode is a mode that the cantilever is retracted backwards, wherein the upward bending structure solves the problem that the cantilever is bent quickly, meanwhile, after the cantilever is bent, the center correction of an oil well is not required, but a plurality of equipment can appear that the cantilever cannot be bent smoothly, particularly equipment with longer use is used, due to rust and the like, the rotating part is not particularly flexible, so that the cantilever needs to be bent back with the aid of other equipment such as a crane, the auxiliary turning back is required by the aid of the crane or other equipment, and the operation complexity and the danger are increased.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the cantilever rotating and yielding back rebound structure which is simple and stable in structure and good in effect.
In order to achieve the above object, the present invention adopts the following technical scheme:
the utility model provides a cantilever rotates resilience structure after stepping down, includes the rotor arm that articulates in the frame through the axis of rotation, the outer end of rotor arm is connected its characterized in that with the frame through rotating the stay cord: the inner end of the rotating arm is provided with a push rod, the push rod is elastically connected with the rotating arm, the inner side of the rotating shaft on the frame is also provided with a base, and when the rotating arm is pulled up, the push rod is propped against the base.
As a preferable scheme: the rotating arm is provided with a blind hole, the ejector rod is inserted into the blind hole, and a compression spring is arranged between the ejector rod and the bottom of the blind hole.
As a preferable scheme: the one end that ejector pin contacted with the compression spring is equipped with the stopper, the opening part of blind hole still is equipped with the ejector pin fixed plate, the stopper cooperatees with the ejector pin fixed plate and spacing the ejector pin in the blind hole.
As a preferable scheme: the base is also provided with a roller, the roller is rotatably arranged on the roller seat through a roller shaft, one end of the ejector rod, which is far away from the compression spring, is also provided with an end plate, and when the rotating arm is pulled up, the end plate is abutted against the roller.
As a preferable scheme: and one side of the roller on the base is also provided with a bolt, the bolt is horizontally arranged, and when the rotating arm is pulled up, the end panel abuts against the bolt.
As a preferable scheme: the number of the roller seats is two, and the bolts are arranged between the two roller seats.
As a preferable scheme: the rotating arm is also provided with a limit switch, and a deflector rod of the limit switch is positioned below the end panel of the ejector rod.
According to the invention, the ejector rod which is elastically connected is arranged on the rotating arm, when the rotating arm is pulled up, the ejector rod and the base prop against the extrusion spring to form elasticity, when the rotating pull rope is loosened, the rotating arm can restore to the original position under the action of the elasticity, meanwhile, due to the fact that the roller is arranged on the base, friction can be reduced when the ejector rod is contacted with the roller, the service life is prolonged, and in addition, due to the fact that the bolt is further arranged on the base, when the elasticity of the spring is attenuated after long-term use, the bolt is improved, and the return of the rotating arm can be assisted.
Drawings
Fig. 1 is a schematic structural view of a rotating arm of the present invention.
FIG. 2 is a schematic view of the structure of the roller, roller seat and end plate of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The cantilever rotating and yielding back rebound structure comprises a rotating arm 1 hinged to a frame through a rotating shaft 9, wherein the outer end of the rotating arm 1 is connected with the frame through a rotating pull rope 2, a push rod 5 is arranged at the inner end of the rotating arm 1, the push rod 5 is elastically connected with the rotating arm 1, a base 10 is further arranged on the inner side of the rotating shaft 9 on the frame, and when the rotating arm 1 is pulled up, the push rod 5 is propped against the base 10.
The rotating arm 1 is provided with a blind hole, the ejector rod 5 is inserted into the blind hole, and a compression spring 3 is arranged between the ejector rod 5 and the bottom of the blind hole. The one end that ejector pin 5 contacted with compression spring 3 is equipped with the stopper, the opening part of blind hole still is equipped with ejector pin fixed plate 4, the stopper cooperatees with ejector pin fixed plate 4 and spacing ejector pin 5 in the blind hole. The structure is used to prevent the ejector rod from being separated from the rotating arm, so that the ejector rod is prevented from being lost in the transportation or use process.
The base 10 is also provided with a roller 6, the roller 6 is rotatably arranged on the roller seat 8 through a roller shaft 7, one end of the ejector rod 5, which is far away from the compression spring 3, is also provided with an end plate 51, and when the rotating arm 1 is pulled up, the end plate 51 is abutted against the roller 6.
The roller 6 on the base 10 is also provided with a bolt 12 at one side, the bolt 12 is horizontally arranged, and when the rotating arm 1 is pulled up, the end plate 51 abuts against the bolt 12. The number of the roller seats 8 is two, and the bolts 12 are arranged between the two roller seats 8. The rotating arm 1 is also provided with a limit switch 11, and a deflector rod of the limit switch 11 is positioned below the end panel 51 of the ejector rod 5.
According to the invention, a spring and a telescopic ejector rod structure are added in the rotating arm, an end plate at the front end of the ejector rod is a plane steel plate, a roller and bolt structure is added at the corresponding position of the base and the rotating arm spring, when the bending angle is increased to a certain angle, the ejector rod end plate is contacted with the roller, when the angle is increased again, the ejector rod is retracted, the spring is pressed, and a proper spring force is obtained by selecting a proper spring, so that the cantilever can smoothly return to the original position after the well workover operation is finished. In addition, because the rotating arm is a rotating piece, the base is provided with the roller, and the plane steel plate at the front end of the ejector rod rolls relative to the roller along with the increase of the bending angle, so that hard friction is avoided.
Meanwhile, even if the spring force is insufficient, the cantilever can be manually jacked by the bolt, so that the cantilever is bent back. In addition, the bending angle control can be performed by setting the current limiting value of the motor in the rotating arm abdicating process, so that equipment damage caused by overlarge bending angle is avoided. Or a limit switch can be added on the cantilever, and the limit switch is triggered when the retraction distance of the ejector rod is too long, so that the motor is controlled to stop.
The two ends of the rotating pull rope are respectively fixed on the front end of the rotating arm and the driving shaft, and when the rotating pull rope is ready to rotate to give way, the spring is in a free state at the moment:
after the driving shaft rotates, the rotating arm is bent upwards around the rotating shaft by the rotating pull rope to perform the abdication operation, when the abdication angle alpha is larger, an end plate of the front end face of the ejector rod is in contact with the roller, when the alpha continues to increase, the spring is pressed, the ejector rod retracts, the larger the angle alpha is, the larger the spring force is, the extension length of the ejector rod is gradually reduced in the angle increasing process, and accordingly the spring force of the spring is gradually increased, and a proper spring is selected to meet the requirement that the rotating arm can rebound normally in practical application.
When the angle of bending is too big, the equipment that always is because the axis of rotation rust or other reasons, leads to the cantilever unable oneself to bend back, needs loop wheel machine or other instrument to carry out the pullback, wastes time and energy, probably simultaneously because the operation is improper, the angle of bending exceeds 90 even, causes the damage to equipment then.
The structure has the advantages that when the angle alpha is larger, the spring force is larger, the current of the motor is larger, the current allowable value of the motor can be set in a control program when the motor is in a yielding state, if the current allowable value exceeds the allowable value, an alarm is given, or a limit switch is arranged at the idler wheel, and once the rotation angle is too large, the limit switch acts to cut off the power supply of the motor. Of course, even if the resilience of the spring is insufficient, the cantilever can be pushed back by manually operating the bolt.
It should be noted that the above embodiments are merely representative examples of the present invention. Many variations of the invention are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the principles of the present invention should be considered to fall within the scope of the present invention.
Claims (2)
1. The utility model provides a be applied to cantilever rotation back resilience structure of stepping down of no beam-pumping unit, includes through rotation axis (9) articulated rotor arm (1) in the frame, the outer end of rotor arm (1) is connected its characterized in that with the frame through rotating stay cord (2): the inner end of the rotating arm (1) is provided with a push rod (5), the push rod (5) is elastically connected with the rotating arm (1), the inner side of a rotating shaft (9) on the rack is also provided with a base (10), when the rotating arm (1) is pulled up, the push rod (5) is propped against the base (10), the rotating arm (1) is provided with a blind hole, the push rod (5) is inserted into the blind hole, a compression spring (3) is arranged between the push rod (5) and the bottom of the blind hole, one end of the push rod (5) contacted with the compression spring (3) is provided with a limiting block, the opening of the blind hole is also provided with a push rod fixing plate (4), the limiting block is matched with the push rod fixing plate (4) to limit the push rod (5) in the blind hole, a limit switch (11) is also arranged on the rotating arm (1), a deflector rod of the limit switch (11) is positioned below an end plate (51) of the push rod (5), a roller (6) is also arranged on the base (10), the roller (6) is rotatably arranged on the bottom of the blind hole through a roller seat (7), one end of the push rod (5) is propped against the roller seat (51) and the roller seat (6) when the roller seat (5) is far away from the end plate (51), one side of the roller (6) on the base (10) is also provided with a bolt (12), the bolt (12) is horizontally arranged, and when the rotating arm (1) is pulled up, the end plate (51) abuts against the bolt (12).
2. The post-cantilever-rotation yielding rebound structure applied to a beam-pumping unit as claimed in claim 1, wherein: the number of the roller seats (8) is two, and the bolts (12) are arranged between the two roller seats (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339731.2A CN107218014B (en) | 2017-05-15 | 2017-05-15 | Springback structure after cantilever rotation abdication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339731.2A CN107218014B (en) | 2017-05-15 | 2017-05-15 | Springback structure after cantilever rotation abdication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107218014A CN107218014A (en) | 2017-09-29 |
| CN107218014B true CN107218014B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710339731.2A Active CN107218014B (en) | 2017-05-15 | 2017-05-15 | Springback structure after cantilever rotation abdication |
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| Country | Link |
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| CN (1) | CN107218014B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212552554U (en) * | 2020-04-28 | 2021-02-19 | 阿特拉斯·科普柯工业技术公司 | Rotation assisting mechanism and fastening device |
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|---|---|---|---|---|
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| US4445663A (en) * | 1982-04-22 | 1984-05-01 | Lee-Norse Company | Rotating device for drill mast |
| WO2001020117A1 (en) * | 1999-09-13 | 2001-03-22 | Sandvik Tamrock Oy | Boom arrangement for rock drilling apparatus |
| CN2720091Y (en) * | 2004-08-13 | 2005-08-24 | 阜新市石油工具厂 | Sucker-rod rotating device |
| CN101182762A (en) * | 2007-12-20 | 2008-05-21 | 樊世耀 | Beam type energy-saving oil pumping machine |
| CN201953356U (en) * | 2011-01-21 | 2011-08-31 | 北京宝圣得机械有限公司 | Oil pumping machine |
| CN102808600A (en) * | 2012-07-11 | 2012-12-05 | 扬州东方吊架有限公司 | Constant force spring energy-saving oil production equipment |
| CN102865054A (en) * | 2012-09-13 | 2013-01-09 | 中国石油大学(华东) | Vertical pumping unit moving mechanism for well repair |
| CN203702101U (en) * | 2014-02-14 | 2014-07-09 | 陈泽群 | Dynamic equilibrium regulator of beam-pumping unit |
| CN204920918U (en) * | 2015-09-06 | 2015-12-30 | 李志雄 | Beam -pumping unit based on motion counter weight |
| CN206917638U (en) * | 2017-05-15 | 2018-01-23 | 浙江西传电气科技有限公司 | A kind of cantilever rotates resilient structures after resigning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM244070U (en) * | 2003-08-13 | 2004-09-21 | Pihsiang Machinery Mfg Co Ltd | Suspending structure for a wheelchair |
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2017
- 2017-05-15 CN CN201710339731.2A patent/CN107218014B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234961A (en) * | 1968-05-06 | 1971-06-09 | Tewi Pat Anstalt | A loading and unloading device for a vehicle |
| US4445663A (en) * | 1982-04-22 | 1984-05-01 | Lee-Norse Company | Rotating device for drill mast |
| WO2001020117A1 (en) * | 1999-09-13 | 2001-03-22 | Sandvik Tamrock Oy | Boom arrangement for rock drilling apparatus |
| CN2720091Y (en) * | 2004-08-13 | 2005-08-24 | 阜新市石油工具厂 | Sucker-rod rotating device |
| CN101182762A (en) * | 2007-12-20 | 2008-05-21 | 樊世耀 | Beam type energy-saving oil pumping machine |
| CN201953356U (en) * | 2011-01-21 | 2011-08-31 | 北京宝圣得机械有限公司 | Oil pumping machine |
| CN102808600A (en) * | 2012-07-11 | 2012-12-05 | 扬州东方吊架有限公司 | Constant force spring energy-saving oil production equipment |
| CN102865054A (en) * | 2012-09-13 | 2013-01-09 | 中国石油大学(华东) | Vertical pumping unit moving mechanism for well repair |
| CN203702101U (en) * | 2014-02-14 | 2014-07-09 | 陈泽群 | Dynamic equilibrium regulator of beam-pumping unit |
| CN204920918U (en) * | 2015-09-06 | 2015-12-30 | 李志雄 | Beam -pumping unit based on motion counter weight |
| CN206917638U (en) * | 2017-05-15 | 2018-01-23 | 浙江西传电气科技有限公司 | A kind of cantilever rotates resilient structures after resigning |
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| Publication number | Publication date |
|---|---|
| CN107218014A (en) | 2017-09-29 |
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Address after: 313200 No. 137 North Road, Fuxi street, Deqing County, Huzhou, Zhejiang. Applicant after: ZHEJIANG XICHUAN ELECTRICAL Co.,Ltd. Address before: 313200 No. 137 North Ring Road, Wu Kang Town, Deqing County, Huzhou, Zhejiang. Applicant before: ZHEJIANG WEST DRIVE ELECTRICAL TECHNOLOGY CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A rebound structure after cantilever rotation and displacement Granted publication date: 20240112 Pledgee: Zhejiang Deqing Rural Commercial Bank Co.,Ltd. science and technology sub branch Pledgor: ZHEJIANG XICHUAN ELECTRICAL Co.,Ltd. Registration number: Y2024980024077 |