CN111472700B - Automatic pipe rod screwing-in and unscrewing device - Google Patents
Automatic pipe rod screwing-in and unscrewing device Download PDFInfo
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- CN111472700B CN111472700B CN201910069929.2A CN201910069929A CN111472700B CN 111472700 B CN111472700 B CN 111472700B CN 201910069929 A CN201910069929 A CN 201910069929A CN 111472700 B CN111472700 B CN 111472700B
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- plate
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- wrench
- screwing
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
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- 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)
- Earth Drilling (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
An automatic pipe rod screwing-in and unscrewing device. The technical scheme of the invention discloses a rotary lifting device which comprises a rotary bearing, a stand column, a lifting seat, a lifting drive, a telescopic arm, a bracket, a back-up wrench assembly, a rotary buckle device and a telescopic drive, wherein the stand column is arranged on the lifting seat, the lifting seat is slidably arranged on the stand column, one end of the lifting drive is connected with the stand column, the other end of the lifting drive is connected with the lifting seat, the telescopic arm is rotatably arranged on the lifting seat, the bracket is rotatably arranged on the telescopic arm, the back-up wrench assembly is fixed on the bracket, and two ends of the telescopic drive are rotatably arranged on the lifting seat and the telescopic arm respectively. The technical scheme of the invention effectively solves the problems that an operator needs to finish actions such as screwing and unscrewing by manpower, greatly reduces labor intensity, improves operation efficiency and realizes mechanized screwing and unscrewing operation.
Description
Technical Field
The invention relates to the field of petroleum workover, in particular to an automatic pipe rod screwing-on and unscrewing device.
Background
Currently, in the exploitation process of an oil well, problems such as pump clamping, broken sucker rod, severe abrasion of an oil pipe and the like may occur, and thus well repair operation is needed. The process requires a workover vehicle to lift the sucker rod and the oil pipe in the well, place the sucker rod and the oil pipe on a pipe rack, and then run the sucker rod and the oil pipe into the well after the problem is solved.
Most of well repair operations are completed manually, and 5-6 people are required to complete the well repair operations together. The operation personnel need accomplish actions such as calandria, push away pipe card holding pipe pole and go up the shackle through the manpower, and this process intensity of labour is big, and is inefficiency, has the potential safety hazard. In recent years, with the continuous progress of technology, a plurality of automatic well repairing tools such as hydraulic elevator, pipe rod conveying device, hydraulic slips and the like are also appeared, but the tools have no continuity in operation, and further improvement of the degree of automation is required.
Accordingly, those skilled in the art have been directed to developing a non-manual pipe string automatic make-up and break-out device.
Disclosure of Invention
The technical problem of the invention is to provide the automatic pipe rod screwing-unscrewing device, which does not need to finish screwing-unscrewing actions by manpower, thereby greatly reducing labor intensity, improving operation efficiency and realizing mechanized screwing-unscrewing operation.
In order to solve the technical problems, the invention provides an automatic pipe rod screwing-unscrewing device which comprises a slewing bearing, a stand column, a lifting seat, a lifting drive, a telescopic arm, a bracket, a back-up wrench assembly, a screwing-unscrewing device and a telescopic drive, wherein the stand column is arranged on the lifting seat, the lifting seat is slidably arranged on the stand column, one end of the lifting drive is connected with the stand column, the other end of the lifting drive is connected with the lifting seat, the telescopic arm is rotatably arranged on the lifting seat, the bracket is rotatably arranged on the telescopic arm, the back-up wrench assembly is fixed on the bracket, and two ends of the telescopic drive are rotatably arranged on the lifting seat and the telescopic arm respectively.
Optionally, the turnbuckle device includes turnbuckle pincers, support, gear shift drive, guide body, direction drive and automatic to the breach device, the support install in on the turnbuckle pincers, gear shift drive one end be fixed in the support, the other end with the turnbuckle pincers are connected, the guide body rotationally install in on the support, the both ends of direction drive rotationally install respectively in the support with on the guide body, automatic to the breach device install in on the support.
Further optionally, the guiding body includes a first guiding body and a second guiding body, the guiding driving includes a first guiding driving and a second guiding driving, the first guiding body and the second guiding body are both rotatably installed on the support, two ends of the first guiding driving are respectively rotatably installed on the support and the first guiding body, and two ends of the second guiding driving are respectively rotatably installed on the support and the second guiding body.
Optionally, the automatic notch aligning device comprises a butt-buckle driving device, a slope plate, a sensor, an outer gear ring, a jaw plate frame, a guide cylinder, a switching pin, an elastic piece, a bearing and a bearing pin, wherein the butt-buckle driving device is installed on the support, the slope plate is installed on the butt-buckle driving device, the sensor is arranged on the slope plate, the outer gear ring is rotatably installed on the turnbuckle pliers, the jaw plate frame is rotatably installed on the turnbuckle pliers, the guide cylinder is arranged on the jaw plate frame, the switching pin is installed in the guide cylinder, the elastic piece is installed between the guide cylinder and the switching pin, the bearing pin is installed on the switching pin, and the bearing is arranged on the bearing pin.
Further optionally, the elastic member is a spring.
Optionally, the back-up wrench assembly includes back-up wrench, apron, knot body, push rod drive, push rod and connecting rod, the apron install in the back-up wrench, detain the body install in the apron, the push rod drive install in the apron, the push rod install in the push rod drive, the both ends of connecting rod respectively rotatable install in detain the body with on the push rod.
Further optionally, the buckle body includes a first buckle body, a second buckle body and a third buckle body, the connecting rod includes a first connecting rod and a second connecting rod, the first buckle body and the second buckle body are disposed on two sides of the third buckle body and rotatably mounted on the third buckle body, two ends of the first connecting rod are rotatably mounted on the first buckle body and the push rod respectively, and two ends of the second connecting rod are rotatably mounted on the second buckle body and the push rod respectively.
Optionally, the back-up wrench comprises a shell, a push plate, a back-up wrench slope plate, a jaw plate, rollers, a back-up wrench drive and a connecting plate, wherein the push plate is installed in the shell, the back-up wrench slope plate is slidably installed on the push plate, the jaw plate is slidably installed on the push plate, the rollers are slidably installed on the jaw plate, the rollers can climb along the jaw plate, two ends of the back-up wrench drive are respectively fixed on the push plate and the shell, and the connecting plate is connected with the shell and the cover plate.
Further alternatively, the back-up wrench sloping plate comprises a first back-up wrench sloping plate and a second back-up wrench sloping plate, the jaw plate comprises a first jaw plate and a second jaw plate, the rollers comprise a first roller and a second roller, the first back-up wrench sloping plate and the second back-up wrench sloping plate are slidably and symmetrically arranged on the push plate, the first jaw plate and the second jaw plate are slidably and symmetrically arranged in the shell, the first roller is slidably arranged on the first jaw plate, and the second roller is slidably arranged on the second jaw plate.
Further optionally, the automatic pipe rod screwing-unscrewing device further comprises a tooth plate, and the tooth plate is clamped on the jaw plate.
Compared with the prior art, the automatic screwing and unscrewing machine has the advantages that the problems that an operator needs to finish screwing and unscrewing actions through manpower, the labor intensity is high, the efficiency is low and potential safety hazards exist in the process are effectively solved, a moving trolley is installed on a machine base, a main clamp assembly and a pipe rod centering device are installed on the moving trolley through a lifting arm and a left-right swinging device, and the mechanized screwing and unscrewing operation is achieved.
Drawings
Fig. 1 is a schematic structural view of a pipe rod break-out device according to an embodiment of the present invention;
fig. 2 is a schematic side view of a pipe rod break-out device according to an embodiment of the present invention;
FIG. 3 is a schematic view of an embodiment of an automatic notch alignment apparatus;
FIG. 4 is a top view of an automatic notch alignment device according to an embodiment of the present invention;
FIG. 5 is a schematic view of the back-up tong assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a back-up wrench according to an embodiment of the present invention.
Detailed Description
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 above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1 and 2, the automatic pipe rod screwing-unscrewing device of the embodiment of the invention comprises a slewing bearing 1, a column 2, a lifting seat 3, a telescopic arm 4, a bracket 5, a back-up wrench assembly 6, a screwing device 7, a telescopic drive 8 and a lifting drive 9, wherein the column 2 is arranged on the lifting seat 3, the lifting seat 3 is slidably arranged on the column 2, one end of the lifting drive 9 is hinged on the column 2, the other end is hinged on the lifting seat 3, the telescopic arm 4 is rotatably arranged on the lifting seat 3, the bracket 5 is rotatably arranged on the telescopic arm 4, the back-up wrench assembly 6 is fixed on the bracket 5, one end of the telescopic drive 8 is rotatably arranged on the lifting seat 3, and the other end is rotatably arranged on the telescopic arm 4.
With continued reference to fig. 2, the screwing device of the present embodiment includes a screwing clamp 71, a bracket 72, a gear shifting drive 73, a left guide body 74, a left guide drive 75, a right guide body 76, a right guide drive 77, and an automatic notch alignment device 78, and it should be noted that all words indicating directions, such as "left", right ", front", "rear", etc. appearing in the present embodiment are merely illustrative of the preferred embodiments of the present invention, and are not limiting to the technical solutions of the present invention. The support 72 is mounted on the turnbuckle 71, one end of the gear shifting driving 73 is fixed on the support 72, the other end is connected with the turnbuckle 71, the left guide body 74 is rotatably mounted on the support 72, one end of the left guide driving 75 is rotatably mounted on the support 72, the other end is rotatably mounted on the left guide body 74, the right guide body 76 is rotatably mounted on the support 72, one end of the right guide driving 77 is rotatably mounted on the support 72, the other end is rotatably mounted on the right guide body 76, and the automatic notch aligning device 78 is mounted on the support 72.
Referring to fig. 3 and 4, the automatic notch aligning device 78 of this embodiment includes a snap-in drive 781, a ramp 782, a sensor 783, an outer gear 784, a jaw frame 789, a guide cylinder 785, a switching pin 786, a spring 787, a bearing 788, and a bearing pin 7810, the snap-in drive 781 is mounted to the bracket 72, the ramp 782 is mounted to the snap-in drive 781, the sensor 783 is disposed on the ramp 782, the outer gear 784 is rotatably mounted to the knob clamp 71, the jaw frame 789 is rotatably mounted to the knob clamp 71, the guide cylinder 785 is disposed in the jaw frame 789, the switching pin 786 is mounted in the guide cylinder 785, the spring 787 is mounted between the guide cylinder 785 and the switching pin 786, the bearing pin 7810 is mounted to the switching pin 786, and the bearing 788 is disposed to the bearing pin 7810.
Referring to fig. 5, the back-up wrench assembly 6 includes a back-up wrench 61, a cover plate 62, a left button 63, a right button 64, a middle button 65, a left link 66, a right link 67, a push rod 68, and a push rod drive 69, wherein the cover plate 62 is mounted on the back-up wrench 61, the middle button 65 is mounted on the cover plate 62, the left button 63 and the right button 64 are rotatably mounted on two sides of the middle button 65, one end of the left link 66 is rotatably mounted on the left button 63, the other end is rotatably mounted on the push rod 68, one end of the right link 67 is rotatably mounted on the right button 64, the other end is rotatably mounted on the push rod 68, the push rod 68 is mounted on the push rod drive 69, and the push rod drive 69 is mounted on the cover plate 62.
As shown in fig. 6, the back-up wrench 61 of this embodiment includes a housing 611, a push plate 612, a left back-up wrench slope plate 613, a right back-up wrench slope plate 614, a left E Ban 615, a right jaw plate 616, a left roller 617, a right roller 618, a back-up wrench drive 619, and a connection plate 620, the push plate 612 is mounted in the housing 611, the left back-up wrench slope plate 613, the right back-up wrench slope plate 614 are slidably mounted on the push plate 612, the left E Ban 615 and the right jaw plate 616 are slidably mounted on the push plate 612, the left roller 617 is rotatably mounted on the left jaw plate 615, the left roller 617 climbs along the left jaw plate 615, the right roller 618 is rotatably mounted on the right jaw plate 616, the right roller 618 climbs along the right jaw plate 616, one end of the back-up wrench drive 619 is fixed on the push plate 612, and the other end is fixed on the housing 611, and the connection plate 620 connects the housing 611 and the cover plate 62.
Further, the automatic pipe rod screwing-in and unscrewing device further comprises a left tooth plate 621 and a right tooth plate 622, wherein the left tooth plate 621 is clamped on the left jaw plate 615, the right tooth plate 622 is clamped on the right jaw plate 616, and the tooth plates are used for clamping a pipe column.
The specific implementation process of the technical scheme of the invention is as follows:
lifting seat 3 rises to the highest under the effect of lift drive 9, flexible arm 4 pushes back-up clamp assembly 6 and turnbuckle device 7 to well head center, left knot body 63 and right knot body 64 are closed, left side guide body 74 and right guide body 76 are closed, back-up clamp assembly 6 and turnbuckle device 7 descend to the oil pipe coupling position, back-up clamp assembly 6 presss from both sides the oil pipe coupling, switching pin 786 moves up under the effect of turnbuckle drive 781, turnbuckle device 7 begins to break out. During the shackle process, the left buckle body 63 and the right buckle body 64 are in a closed state, so that the mixed liquid in the oil pipe can be prevented from splashing around. After the upper shackle is finished, the notch is automatically aligned, and the pipe rod upper shackle device is reset.
While specific embodiments of the invention have been described in detail, it will be appreciated that those skilled in the art, upon attaining an understanding of the principles of the invention, may readily make numerous modifications and variations to the present invention. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (5)
1. The automatic pipe rod screwing-unscrewing device is characterized by comprising a slewing bearing, a stand column, a lifting seat, a lifting drive, a telescopic arm, a bracket, a back-up wrench assembly, a screwing-unscrewing device and a telescopic drive, wherein the stand column is arranged on the lifting seat, the lifting seat is slidably arranged on the stand column, one end of the lifting drive is connected with the stand column, the other end of the lifting drive is connected with the lifting seat, the telescopic arm is rotatably arranged on the lifting seat, the bracket is rotatably arranged on the telescopic arm, the back-up wrench assembly is fixed on the bracket, and two ends of the telescopic drive are rotatably arranged on the lifting seat and the telescopic arm respectively;
the turnbuckle device comprises a turnbuckle clamp, a bracket, a gear shifting drive, a guide body, a guide drive and an automatic notch alignment device, wherein the bracket is arranged on the turnbuckle clamp;
the guide body comprises a left guide body and a right guide body, the guide drive comprises a first guide drive and a second guide drive, the left guide body and the right guide body are both rotatably mounted on the bracket, two ends of the first guide drive are rotatably mounted on the bracket and the left guide body respectively, and two ends of the second guide drive are rotatably mounted on the bracket and the right guide body respectively;
the automatic notch aligning device comprises a butt-joint drive, a slope plate, a sensor, an outer gear ring, a jaw plate frame, a guide cylinder, a switching pin, an elastic piece, a bearing and a bearing pin, wherein the butt-joint drive is installed on the support, the slope plate is installed on the butt-joint drive, the sensor is arranged on the slope plate, the outer gear ring is rotatably installed on the turnbuckle pliers, the jaw plate frame is rotatably installed on the turnbuckle pliers, the guide cylinder is arranged on the jaw plate frame, the switching pin is installed in the guide cylinder, the elastic piece is installed between the guide cylinder and the switching pin, the bearing pin is installed on the switching pin, and the bearing is arranged on the bearing pin; the elastic piece is a spring;
the back-up wrench assembly comprises back-up wrench, a cover plate, a buckle body, a push rod driver, a push rod and a connecting rod, wherein the cover plate is arranged on the back-up wrench, the buckle body is arranged on the cover plate, the push rod driver is arranged on the cover plate, the push rod is arranged on the push rod driver, and two ends of the connecting rod are respectively and rotatably arranged on the buckle body and the push rod;
lifting seat is the highest under lifting drive's effect, flexible arm pushes away back-up clamp assembly and turnbuckle device to well head center, left side knot body and right knot body are closed, left side guide body and right guide body are closed, back-up clamp assembly and turnbuckle device descend to the oil pipe coupling position, back-up clamp assembly presss from both sides tight oil pipe coupling, the switching pin moves up under the effect of butt-joint drive, turnbuckle device begins to go up the shackle, in the shackle in-process, left side knot body and right knot body are in the closed condition, can prevent that oil pipe interior mixed liquor from splash everywhere, after last shackle, automatic to the breach, the pipe pole is gone up the shackle device and is reset.
2. The automatic pipe rod screwing-unscrewing device according to claim 1, wherein the screwing-in and unscrewing device comprises a left screwing-in body, a right screwing-in body and a third screwing-in body, the connecting rods comprise a first connecting rod and a second connecting rod, the left screwing-in body and the right screwing-in body are arranged on two sides of the third screwing-in body and are rotatably arranged on the third screwing-in body, two ends of the first connecting rod are rotatably arranged on the left screwing-in body and the push rod respectively, and two ends of the second connecting rod are rotatably arranged on the right screwing-in body and the push rod respectively.
3. The automatic pipe and pole setting and setting device of claim 2, wherein the back-up wrench comprises a housing, a push plate, a back-up wrench slope plate, a jaw plate, rollers, a back-up wrench drive and a connecting plate, wherein the push plate is mounted in the housing, the back-up wrench slope plate is slidably mounted on the push plate, the jaw plate is slidably mounted on the push plate, the rollers are slidably mounted on the jaw plate, wherein the rollers can climb along the jaw plate, two ends of the back-up wrench drive are respectively fixed on the push plate and the housing, and the connecting plate connects the housing and the cover plate.
4. A pipe string automatic setting and setting device as defined in claim 3 wherein said back-up wrench ramp comprises a first back-up wrench ramp and a second back-up wrench ramp, said jaw plates comprise a first jaw plate and a second jaw plate, said rollers comprise a first roller and a second roller, said first back-up wrench ramp and said second back-up wrench ramp are slidably and symmetrically mounted on said push plate, said first jaw plate and said second jaw plate are slidably and symmetrically mounted in said housing, said first roller is slidably mounted on said first jaw plate, and said second roller is slidably mounted on said second jaw plate.
5. A pipe string automatic threading and threading device according to claim 3 and including a tooth plate which is snapped onto said jaw plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069929.2A CN111472700B (en) | 2019-01-24 | 2019-01-24 | Automatic pipe rod screwing-in and unscrewing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069929.2A CN111472700B (en) | 2019-01-24 | 2019-01-24 | Automatic pipe rod screwing-in and unscrewing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111472700A CN111472700A (en) | 2020-07-31 |
| CN111472700B true CN111472700B (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910069929.2A Active CN111472700B (en) | 2019-01-24 | 2019-01-24 | Automatic pipe rod screwing-in and unscrewing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111472700B (en) |
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| CN2143673Y (en) * | 1992-09-28 | 1993-10-13 | 建湖县矿山石油机械厂 | Inner curved roller slope climbing fastening hydraulic pliers |
| CN201258704Y (en) * | 2008-05-06 | 2009-06-17 | 四川宏华石油设备有限公司 | Multifunction power tongs screw fastening device |
| CN201276994Y (en) * | 2008-05-06 | 2009-07-22 | 四川宏华石油设备有限公司 | Novel multifunctional power pliers |
| CN201288521Y (en) * | 2008-08-29 | 2009-08-12 | 濮阳市中原锐实达石油设备有限公司 | Iron driller |
| CN102191923A (en) * | 2011-04-13 | 2011-09-21 | 东北石油大学 | Long-distance control wellhead operation device for workover operation |
| CN206928918U (en) * | 2017-06-28 | 2018-01-26 | 江苏如通石油机械股份有限公司 | Shackle device in tube rod |
| CN109138868A (en) * | 2017-06-28 | 2019-01-04 | 江苏如通石油机械股份有限公司 | Light maintenance well head automatic operation device |
| WO2020087508A1 (en) * | 2018-11-02 | 2020-05-07 | 江苏如通石油机械股份有限公司 | Automatic fastening/unfastening device for pipe rod |
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2019
- 2019-01-24 CN CN201910069929.2A patent/CN111472700B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2143673Y (en) * | 1992-09-28 | 1993-10-13 | 建湖县矿山石油机械厂 | Inner curved roller slope climbing fastening hydraulic pliers |
| CN201258704Y (en) * | 2008-05-06 | 2009-06-17 | 四川宏华石油设备有限公司 | Multifunction power tongs screw fastening device |
| CN201276994Y (en) * | 2008-05-06 | 2009-07-22 | 四川宏华石油设备有限公司 | Novel multifunctional power pliers |
| CN201288521Y (en) * | 2008-08-29 | 2009-08-12 | 濮阳市中原锐实达石油设备有限公司 | Iron driller |
| CN102191923A (en) * | 2011-04-13 | 2011-09-21 | 东北石油大学 | Long-distance control wellhead operation device for workover operation |
| CN206928918U (en) * | 2017-06-28 | 2018-01-26 | 江苏如通石油机械股份有限公司 | Shackle device in tube rod |
| CN109138868A (en) * | 2017-06-28 | 2019-01-04 | 江苏如通石油机械股份有限公司 | Light maintenance well head automatic operation device |
| WO2020087508A1 (en) * | 2018-11-02 | 2020-05-07 | 江苏如通石油机械股份有限公司 | Automatic fastening/unfastening device for pipe rod |
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| CN111472700A (en) | 2020-07-31 |
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