CN110094174B - Switching device for oil well maintenance device - Google Patents
Switching device for oil well maintenance device Download PDFInfo
- Publication number
- CN110094174B CN110094174B CN201910440674.6A CN201910440674A CN110094174B CN 110094174 B CN110094174 B CN 110094174B CN 201910440674 A CN201910440674 A CN 201910440674A CN 110094174 B CN110094174 B CN 110094174B
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- China
- Prior art keywords
- workbench
- base
- upright post
- switching device
- workover rig
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- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- 239000003129 oil well Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Transmission Devices (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the field of oil well maintenance equipment, in particular to a switching device of an oil well maintenance device, which can be used for simultaneously arranging a sucker rod and an oil pipe dismounting power clamp, switching in operation and improving the working efficiency in oil well maintenance. The utility model provides an oil well maintenance device auto-change over device, the device includes stand, rotating base, first workstation and second workstation, the stand rotationally installs in the rotating base top, first workstation and second workstation set up respectively in the different sides of stand. The first workbench and the second workbench are respectively used for installing and detaching different power tongs of the sucker rod and the oil pipe, the stand column can be switched to be detached and installed through different power tongs in a rotating mode, the whole equipment is not required to be replaced, and the oil well maintenance efficiency is improved.
Description
Technical Field
The invention relates to the field of oil well maintenance equipment, in particular to a switching device of an oil well maintenance device.
Background
An oil pipe is arranged in the oil pumping well, the oil pipe is hollow, and an oil pumping rod is arranged in the oil pumping well. The pumping rod is a slender rod of pumping well, and its upper end is connected with polished rod, and its lower end is connected with oil-well pump to act as transmission power. When the oil well is maintained, the sucker rod in the oil pipe is required to be lifted upwards, the sucker rod is detached one by one, and the sucker rod is required to be installed in the oil return pipe one by one after the maintenance is completed. The disassembly process of the oil pipe is similar to that of the sucker rod, and the oil pipe needs to be separated and installed section by section. The sucker rod and the end part of the oil pipe are connected with each other in a threaded mode, so that when the sucker rod and the oil pipe are dismounted, the lifted sucker rod or the oil pipe needs to be rotated firstly to separate threaded connection parts, then the sucker rod or the oil pipe is transported to a side for temporary storage, and when the sucker rod or the oil pipe is mounted, the dismounted part needs to be grabbed to a mounting position firstly and then rotated to enable the threaded connection parts to be connected.
Because the sucker rod and the oil pipe need to rotate, besides adopting an inefficient manual mode, the power tongs can also be used for driving the sucker rod or the oil pipe to rotate. However, the sucker rod and the oil pipe are disassembled and assembled by using a manual mode or by using a power clamp with higher automation degree, and the used tool equipment is different, so that the equipment is required to be replaced between the disassembled sucker rod and the oil pipe, and the position is required to be aligned and debugged again after the replacement, so that the working efficiency is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the switching device for the oil well maintenance device, which can be used for simultaneously arranging the power tongs for disassembling and assembling the sucker rod and the oil pipe, switching in work and improving the working efficiency in the oil well maintenance.
The scheme provided by the invention is as follows:
The utility model provides an oil well maintenance device auto-change over device, the device includes stand, rotating base, first workstation and second workstation, the stand rotationally installs in the rotating base top, first workstation and second workstation set up respectively in the different sides of stand. The first workbench and the second workbench are respectively used for installing and detaching different power tongs of the sucker rod and the oil pipe, the stand column can be switched to be detached and installed through different power tongs in a rotating mode, the whole equipment is not required to be replaced, and the oil well maintenance efficiency is improved.
Preferably, the first workbench and the second workbench are both vertically and slidably connected with the upright post, and the first workbench and/or the second workbench are/is connected with the upright post through a vertical driving device. The first platform and the second platform can be lifted along the upright post, so that the height position can be conveniently adjusted in work.
Preferably, the first workbench or the second workbench is connected with the upright post through a vertical driving device, and a linkage device is arranged between the first workbench and the second workbench. Normally, only one of the first workbench and the second workbench is in a working state, so that only one vertical driving device is needed for height adjustment, and one of the two workbench is at a proper working height.
Preferably, the linkage comprises a chain and a chain wheel, two ends of the chain are fixedly connected with the first workbench and the second workbench respectively, the stand column is provided with the chain wheel, the chain wheel is meshed with the chain and connected with the chain, two ends of the chain extend downwards and are connected with the first workbench and the second workbench respectively, and the first workbench and the second workbench are arranged on two sides of the stand column respectively. The chain wheel and chain structure is used for driving, the structure is simple, and the structure is more accurate relative to the structure of the stay rope and the pulley.
Preferably, the vertical driving device comprises a motor and a screw mechanism connected to the motor;
Or the vertical driving device is a hydraulic cylinder. The screw structure precision is higher, and hydraulic structure design and operation are all simpler.
Preferably, the first working table or the second working table is provided with a balancing weight. The power tongs for disassembling and assembling the sucker rod and the oil pipe are different in specification and weight, the weight difference between the first workbench and the second workbench can be reduced by adopting the balancing weight, the power requirement on the vertical driving device is reduced, and the balance stability in the working state is also convenient to provide.
Preferably, the first workbench and the second workbench are provided with U-shaped notches on one side, the opening directions of the two U-shaped notches are opposite, and the distances from the centers of the two U-shaped notches to the center of the upright post are the same. The U-shaped notch is used for being matched with the power tongs, and the sucker rod or the oil pipe can penetrate through the first platform or the second platform in the notch, so that the whole structure is more compact.
Preferably, the upright is connected to the swivel base by a stop device. In the working process of the power tongs, the rotation of the stand column can be limited through the stop device, so that the stability of the power tongs in working is kept, and the operation precision is prevented from being influenced due to the rotation of the stand column.
Preferably, the stopping device comprises a hook and a connecting part, the hook and the connecting part are respectively arranged on the rotating base and the upright post, one end of the hook can rotate, and the other end of the hook can be hooked with the connecting part. The hook has simple structure and easy operation.
Preferably, the upright post is connected with the rotating base through a rotating driving device. The driving device can be a servo motor, and the upright post can be rotated without manual work through an automatic driving device, so that the angle is convenient to control.
Preferably, the rotating base is horizontally and slidably connected to the first base, and a first translation driving device is arranged between the rotating base and the first base. The rotating base can horizontally slide on the first base, so that the power tongs can be aligned in the horizontal direction in the maintenance process.
Preferably, the first translational driving device comprises a motor and a screw mechanism connected to the motor.
Preferably, the first base is horizontally connected to the second base in a sliding manner, and a second translation driving device is arranged between the first base and the second base. The first base can slide horizontally on the second base, so that the first base and the second base are matched with each other to realize the alignment in the horizontal direction in a larger range.
Preferably, the second translational drive device comprises a motor and a screw mechanism connected to the motor.
Preferably, the sliding direction of the rotating base is perpendicular to the sliding direction of the first base. The horizontal sliding of the first base and the second base in different directions enables the device to translate at any position along the XY axis in a plane coordinate system, and the alignment process can be controlled conveniently.
The invention has the following beneficial effects:
1. The stand column is provided with two different work tables, and a power clamp for disassembling and assembling the oil suction pipe can be respectively arranged, so that the stand column can be rotated to realize switching, and the maintenance efficiency is greatly improved;
2. the workbench can realize Z-direction movement in the vertical direction, the first base and the second base respectively realize XY-direction movement in the horizontal direction, so that the power tongs can position and align any point in a certain space, and the working precision is improved;
3. the two work platforms are connected with the chain wheel device through the chain, and only one vertical driving device is needed to control the two work platforms, so that the structure is simple and the operation is easy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection relationship between the first table, the second table and the upright;
FIG. 3 is an enlarged schematic view at A;
in the figure, the vertical column is 1-, the rotary base is 2-, the first workbench is 3-, the second workbench is 4-, the stop device is 5-, the first base is 6-, the second base is 7-, the vertical sliding rail is 11-vertical, the chain wheel is 12-, the chain is 13-, the vertical driving device is 14-, the notch is 31-, the balancing weight is 41-, the hook is 51-, the connecting part is 52-, the first translation sliding rail is 61-, the first translation driving device is 62-, the second translation sliding rail is 71-and the second translation driving device is 72-.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Example 1
As shown in fig. 1to 3, the present embodiment provides a switching device for an oil well maintenance device, which includes a column 1, a rotating base 2, a first working platform 3, a second working platform 4, a first base 6 and a second base 7. The stand 1 is rotatably arranged above the rotating base 2, and the first working platform 4 and the second working platform 6 are respectively arranged on two sides of the stand 1. The swivel base 2 is arranged above a first base 6, the first base 6 being arranged above a second base 7.
The upright post 1 is provided with vertical sliding rails 11 on both sides, and the first workbench 3 and the second workbench 4 are both in sliding connection with the vertical sliding rails 11. The first table 3 and the second table 4 are connected by a linkage comprising a sprocket 12 and a chain 13. The upper part of the upright post 1 is provided with a chain wheel 12, the chain wheel 12 is connected with a chain 13 in a meshed manner, two ends of the chain 13 are respectively fixedly connected with the first workbench 3 and the second workbench 4, and the chain 13 is reversed at the chain wheel 12 to form an inverted V shape or an inverted U shape. The first workbench 3 or the second workbench 4 is connected with the upright 1 through a vertical driving device 14, and the vertical driving device 14 is a screw mechanism driven by a motor.
The first workbench 3 and the second workbench 4 are respectively provided with a horizontal U-shaped notch 31, and the distances from the center of the notch 31 to the rotation center of the upright 1 are the same. The first table 3 or the second table 4 is further provided with a balancing weight 41 so that the weight of both tables is approximately the same.
The upright 1 can rotate on the rotating base 2 along a vertical axis, and a crossed roller bearing is arranged at the joint. A stop device 5 is also arranged between the upright 1 and the rotating base 2, and the stop device 5 comprises a hook 51 and a connecting part 52. The hook 51 and the connecting part 52 are respectively arranged on the upright post 1 and the rotating base 2, one end of the hook 51 can rotate, and the other end can be hooked with the connecting part 52.
The rotating base 2 is connected with the first base 6 through a first translation sliding rail 61, and can horizontally slide, the first base 6 is provided with a first translation driving device 62, and the first translation driving device 62 comprises a screw mechanism driven by a motor. The first base 6 and the second base 7 are connected through a second translation sliding rail 71 and can slide horizontally, the second base 7 is provided with a second translation driving device 72, and the second translation driving device 72 comprises a screw mechanism driven by a motor. The directions of the first translation slide 71 and the second translation slide 72 are perpendicular to each other.
The motors used in the vertical drive 14, the first translation rail 71 and the second translation rail 72 are all servo motors.
The working principle of the invention is as follows:
When the workover rig is brought into the working position, the swivel base 2 can be moved in the plane along the XY axis under the movement of the first base 6 and the second base 7, finding the exact working position. The vertical driving device 14 drives the first workbench 3 to reach the working height, and the first workbench 3 and the second workbench 4 are both provided with power tongs. The power tongs of the first workbench 3 perform sucker rod disassembly work, and after the sucker rod disassembly work is completed, the upright column 1 is rotated, so that the second workbench 4 can be switched to a working position, and the oil pipe disassembly work is performed. When the sucker rod and the oil pipe are required to be installed, the operation is performed according to the reverse order.
In addition, the vertical drive 14, the first translational drive 62, and the second translational drive 72 may be automatically controlled by a numerical control system. In the maintenance work of the oil well, certain deviation can occur in positioning due to the vibration of the equipment, the position change in the maintenance process can be monitored by a numerical control system, and the position of the power tongs relative to the oil well in the XYZ three directions is kept unchanged through real-time control.
Example two
In this embodiment, the first working table 3 and the second working table 4 are both connected with the upright 1 through the vertical driving device 14, and in this embodiment, a linkage device is not required to be provided, so that the first working table 3 and the second working table 4 can be controlled independently. Other portions of this embodiment are substantially the same as those of the first embodiment.
Example III
In this embodiment, a rotation driving device is disposed between the upright 1 and the rotating base 2, the rotation driving device is a servo motor, and in this embodiment, the stop device 5 may not be disposed, and the rotation angle of the upright 1 may be controlled by the servo motor. Other portions of this embodiment are substantially the same as those of the first embodiment.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope of the present disclosure without departing from the spirit and the essence of the present disclosure, and shall be covered by the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. Oil well maintenance device auto-change over device, its characterized in that: the device comprises an upright post (1), a rotating base (2), a first workbench (3) and a second workbench (4), wherein the upright post (1) is rotatably arranged above the rotating base (2), the first workbench (3) and the second workbench (4) are respectively arranged on different sides of the upright post (1), the first workbench (3) and the second workbench (4) are respectively used for installing and dismantling different power tongs of a sucker rod and an oil pipe, and the upright post (1) is used for switching the different power tongs in a rotating mode to carry out dismounting operation;
The first workbench (3) and the second workbench (4) are vertically and slidably connected with the upright post (1);
The first workbench (3) or the second workbench (4) is connected with the upright post (1) through a vertical driving device (14), and a linkage device is arranged between the first workbench (3) and the second workbench (4);
The linkage device comprises a chain (13) and a chain wheel (12), wherein two ends of the chain (13) are fixedly connected with a first workbench (3) and a second workbench (4) respectively, the stand column (1) is provided with the chain wheel (12), the chain wheel (12) is meshed with the chain (13), two ends of the chain (13) extend downwards and are connected with the first workbench (3) and the second workbench (4) respectively, and the first workbench (3) and the second workbench (4) are arranged on two sides of the stand column (1) respectively;
The first workbench (3) or the second workbench (4) is provided with a balancing weight (41), the power tongs for disassembling and assembling the sucker rod and the oil pipe are different in specification and weight, and the balancing weight (41) is adopted to reduce the weight difference between the first workbench (3) and the second workbench (4);
The utility model discloses a power tongs, including first workstation (3) and second workstation (4), first workstation (3) and second workstation (4) one side all are equipped with U-shaped breach (31), two the opening direction of U-shaped breach (31) is opposite, two the distance of U-shaped breach (31) center to stand (1) center is the same, and U-shaped breach (31) are used for cooperating power tongs and use, and sucker rod or oil pipe pass first platform or second platform in the breach.
2. The workover rig switching device of claim 1, wherein: the vertical driving device (14) comprises a motor and a screw mechanism connected to the motor;
or the vertical driving device (14) is a hydraulic cylinder.
3. The workover rig switching device of claim 1, wherein: the upright post (1) is connected with the rotary base (2) through a stopping device (5).
4. A workover rig switching device according to claim 3, wherein: the stop device (5) comprises a hook (51) and a connecting part (52), wherein the hook (51) and the connecting part (52) are respectively arranged on the rotating base (2) and the upright post (1), one end of the hook (51) can rotate, and the other end of the hook can be hooked with the connecting part (52).
5. The workover rig switching device of claim 1, wherein: the upright post (1) is connected with the rotary base (2) through a rotary driving device.
6. The workover rig switching device of claim 1, wherein: the rotary base (2) is horizontally connected to the first base (6) in a sliding mode, and a first translation driving device (62) is arranged between the rotary base (2) and the first base (6).
7. The workover rig switching device of claim 6, wherein: the first translational drive device (62) includes a motor and a lead screw mechanism coupled to the motor.
8. The workover rig switching device of claim 6, wherein: the first base (6) is horizontally connected to the second base (7) in a sliding mode, and a second translation driving device (72) is arranged between the first base (6) and the second base (7).
9. The workover rig switching device of claim 8, wherein: the second translational drive device (72) includes a motor and a lead screw mechanism coupled to the motor.
10. The workover rig switching device of claim 8, wherein: the sliding direction of the rotating base (2) is perpendicular to the sliding direction of the first base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440674.6A CN110094174B (en) | 2019-05-24 | 2019-05-24 | Switching device for oil well maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440674.6A CN110094174B (en) | 2019-05-24 | 2019-05-24 | Switching device for oil well maintenance device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110094174A CN110094174A (en) | 2019-08-06 |
| CN110094174B true CN110094174B (en) | 2024-05-24 |
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ID=67449148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910440674.6A Active CN110094174B (en) | 2019-05-24 | 2019-05-24 | Switching device for oil well maintenance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110094174B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883957B (en) * | 2020-07-03 | 2023-05-23 | 北京机械设备研究所 | Detachable underground operation table |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6234253B1 (en) * | 1998-11-30 | 2001-05-22 | L. Murray Dallas | Method and apparatus for well workover or servicing |
| CN201546640U (en) * | 2009-11-30 | 2010-08-11 | 大庆科丰石油技术开发有限公司 | Automatic environmental protection operation device for vertically placing oil pipes and sucker rods |
| CN105971533A (en) * | 2016-06-20 | 2016-09-28 | 安庆宜源石油机械配件制造有限责任公司 | Power tongs for petroleum machinery drill rod |
| CN205805448U (en) * | 2016-07-15 | 2016-12-14 | 中国石油天然气集团公司 | Automatically workover operation device |
| CN207043900U (en) * | 2017-06-23 | 2018-02-27 | 陶佩林 | A kind of antitheft casting well lid automatically processing device |
| CN210460545U (en) * | 2019-05-24 | 2020-05-05 | 济南高维度智能科技有限公司 | Switching device of oil well maintenance device |
-
2019
- 2019-05-24 CN CN201910440674.6A patent/CN110094174B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6234253B1 (en) * | 1998-11-30 | 2001-05-22 | L. Murray Dallas | Method and apparatus for well workover or servicing |
| CN201546640U (en) * | 2009-11-30 | 2010-08-11 | 大庆科丰石油技术开发有限公司 | Automatic environmental protection operation device for vertically placing oil pipes and sucker rods |
| CN105971533A (en) * | 2016-06-20 | 2016-09-28 | 安庆宜源石油机械配件制造有限责任公司 | Power tongs for petroleum machinery drill rod |
| CN205805448U (en) * | 2016-07-15 | 2016-12-14 | 中国石油天然气集团公司 | Automatically workover operation device |
| CN207043900U (en) * | 2017-06-23 | 2018-02-27 | 陶佩林 | A kind of antitheft casting well lid automatically processing device |
| CN210460545U (en) * | 2019-05-24 | 2020-05-05 | 济南高维度智能科技有限公司 | Switching device of oil well maintenance device |
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| Publication number | Publication date |
|---|---|
| CN110094174A (en) | 2019-08-06 |
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