CN111236865B - Shackle tongs and method capable of realizing automatic screwing-on and unscrewing of sucker rod - Google Patents
Shackle tongs and method capable of realizing automatic screwing-on and unscrewing of sucker rod Download PDFInfo
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- CN111236865B CN111236865B CN202010053962.9A CN202010053962A CN111236865B CN 111236865 B CN111236865 B CN 111236865B CN 202010053962 A CN202010053962 A CN 202010053962A CN 111236865 B CN111236865 B CN 111236865B
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- 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
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/164—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated
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Abstract
The invention relates to a pair of shackle tongs and a method capable of realizing automatic screwing-in and unscrewing of a sucker rod. The technical scheme is as follows: the frame is arranged above the movable base module, the frame is sequentially provided with a lower clamping module, a rotating module, an upper clamping module, a power supply module and a power driving module from bottom to top, and the operation stations of the upper clamping module and the lower clamping module are on the same axis; the frame is provided with a sliding block fixed on the movable base module, the sliding block is arranged on the guide rail, and the frame can move transversely through a hydraulic cylinder; the lower clamping module provides a counter torque required by the upper shackle of the sucker rod for a wrench of the first sucker rod; the rotating module supports the electric push rod, drives the electric push rod to rotate to realize screwing off, and the upper clamping module tightens the wrench position of the second sucker rod and follows the rotation of the supporting plate of the electric push rod to realize screwing off. The beneficial effects are that: the invention realizes the function of the shackle operation on the sucker rod, reduces the number of well head workers, lightens the working strength of the well head workers and improves the working safety.
Description
Technical Field
The invention relates to a pair of break-out tongs and a method for assembling and disassembling a sucker rod, in particular to a pair of break-out tongs and a method for automatically assembling and disassembling the sucker rod.
Background
The traditional workover operation mode is mainly manual, and has the problems of more occupied workers, high labor intensity, poor outdoor construction environment, high safety risk and the like, and particularly, the sucker rod operation is more prominent. At present, the sucker rod is generally manually assembled and disassembled, and a small amount of sucker rod power hanging tongs are used. The well head workman need frequently change when having played down the sucker rod operation and take out the oil pipe elevator, and the operation is frequent to this process needs the manual work to adjust well, needs two workman cooperation manual shackles of going up, and intensity is big, and degree of danger is high, and work efficiency is low. Aiming at the problems, it is very important to design a special device which can reduce the number of well mouth workers and the working strength and can realize automatic screwing and unscrewing of the sucker rod.
Realize that the automatic break-out that goes up of sucker rod needs to solve the key problem and lie in: firstly, determining a back-up tong clamping position and tightening; secondly, determining a rotary clamping part, tightening and rotating the shackle; at present, a sucker rod is manually assembled and disassembled by clamping the upper spanner and the lower spanner by adopting a special spanner for the sucker rod, and two persons manually apply force to match with a spinner to realize the assembly and disassembly; the part adopts special sucker rod power hanging tongs/special hanging tongs to manually align the wrench, and manual operation cannot be left.
Disclosure of Invention
The invention aims to provide the shackle tongs and the method for realizing automatic shackling of the sucker rod, aiming at the defects in the prior art, so that the shackle operation function of the sucker rod can be realized, the number of well head workers is reduced, the working strength of the well head workers is reduced, and the working safety is improved.
The invention provides a pair of shackle tongs capable of realizing automatic shackle installation of a sucker rod, which adopts the technical scheme that: the clamping device comprises a movable base module (1), a rotating module (2), an upper clamping module (3), a power module (4), a power driving module (5), a frame (6) and a lower clamping module (7), wherein the frame (6) is installed above the movable base module (1), the lower clamping module (7), the rotating module (2), the upper clamping module (3), the power module (4) and the power driving module (5) are sequentially installed on the frame (6) from bottom to top, and operation stations of the upper clamping module and the lower clamping module are on the same axis;
the frame (6) is fixedly arranged on a sliding block (1.2) of the movable base module (1), the sliding block (1.2) is arranged on a sliding rail (1.3), and the frame (6) realizes the opposite movement of the left frame and the right frame through a hydraulic cylinder (1.5); the lower clamping module (7) contacts the wrench position of the lower sucker rod by extending out of the second electric push rod (7.1) to provide the reaction torque required by upper shackle for the wrench position of the lower sucker rod; the rotating module (2) comprises a roller (2.1) and a first electric push rod supporting plate (2.2), the upper clamping module (3) is fixed through the first electric push rod supporting plate (2.2), the rotating module (2) drives the upper clamping module (3) to rotate to realize upper shackle, and the upper clamping module (3) clamps a wrench position of the upper sucker rod through the first electric push rod (3.1);
a support frame bottom plate (6.3) is arranged on the lower side of the frame (6), a lower clamping module (7) is arranged on the support frame bottom plate (6.3), a roller supporting plate (6.2) is arranged on the middle upper portion of the frame (6), a roller (2.1) is arranged on the upper surface of the roller supporting plate (6.2), and the roller (2.1) is connected with a first electric push rod supporting plate (2.2);
the upper clamping module (3) provides power through the power module (4); the outer side of the first electric push rod supporting plate (2.2) is meshed with a small gear (5.2), the small gear (5.2) is driven by a stepping motor (5.1), and the stepping motor (5.1) is installed at the top of the frame (6).
Preferably, the power driving module (5) consists of a stepping motor (5.1) and a pinion (5.2), an output shaft of the stepping motor drives the pinion (5.2) to rotate, and the pinion (5.2) is meshed with the first electric push rod supporting plate (2.2) to complete the rotating motion of the rotating module (2).
Preferably, the movable base module (1) comprises a workbench base (1.1), a sliding block (1.2), a sliding rail (1.3), a hydraulic cylinder support (1.4) and a hydraulic cylinder (1.5), the sliding rail (1.3) and the hydraulic cylinder support (1.4) are arranged on the workbench base (1.1), the sliding block (1.2) moves along the sliding rail, and a frame (6) is installed above the sliding block (1.2); the upper part of the hydraulic cylinder bracket (1.4) is provided with a hydraulic cylinder (1.5), and the hydraulic cylinder (1.5) is connected with the frame (6) through an output shaft.
The use method of the shackle tongs capable of realizing automatic screwing-in and unscrewing of the sucker rod comprises the following steps:
and (3) a shackle removing process: the hook is lifted upwards, the slips clamp the flange of the lower sucker rod, the base module moves to the center of the wellhead leftwards and rightwards under the instruction of a control system, a second electric push rod (7.1) of the lower clamping module (7) extends out, contacts with a wrench, and is clamped in a stress application manner; meanwhile, a first electric push rod (3.1) of the upper clamping module (3) extends out simultaneously to contact a spanner position, and is clamped by applying force; the stepping motor (5.1) acts, the upper clamping module is driven to rotate through the transmission mechanism, the shackle is realized, the shackle is completed, the stepping motor (5.1) drives the upper clamping module (3) to return to the original position, and then the whole machine returns to the original position;
the screwing-in process and the screwing-out process are basically the same, the big hook is lowered, the upper sucker rod is aligned with the lower sucker rod and contacts the thread of the lower sucker rod, the base module is moved to the center of the well head by left and right movement under the instruction of the control system, the second electric push rod (7.1) of the lower clamping module (7) extends out to contact with the position of the wrench, and the clamping is realized by applying force; meanwhile, a first electric push rod (3.1) of the upper clamping module (3) extends out to contact a spanner position, and is clamped by applying force; the stepping motor (5.1) acts, the upper clamping module (3) is driven to rotate through the transmission mechanism, the upper clamping is achieved, the upper clamping is completed, the stepping motor (5.1) drives the upper clamping module (3) to return to the original position, and then the whole machine returns to the original position.
The invention has the beneficial effects that: the upper clamping module and the lower clamping module respectively provide clamping force for a wrench side of the sucker rod, the two groups of electric push rods extend out, and after the small thrust contacts any position of the wrench side, the electric push rods are clamped in a stress application manner, so that the situation that the wrench side of the sucker rod cannot complete the screwing-in and unscrewing due to the movement during screwing-out is prevented; the rotating module stepping motor acts to drive the upper clamping module to rotate through the transmission mechanism, so that shackle unloading is realized; the invention can realize the function of the shackle operation on the sucker rod, reduce the number of well head workers, lighten the working strength of the well head workers and improve the working safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a rotating module;
in the upper diagram: remove base module 1, rotation module 2, go up clamping module 3, power module 4, power drive module 5, frame 6, lower clamping module 7, workstation base 1.1, slider 1.2, slide rail 1.3, pneumatic cylinder support 1.4, pneumatic cylinder 1.5, gyro wheel 2.1, first electric putter backup pad 2.2, step motor 5.1, pinion 5.2, support frame 6.1, gyro wheel backup pad 6.2, support frame bottom plate 6.3, second electric putter 7.1, first electric putter 3.1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
the frame 6 is fixedly arranged on a sliding block 1.2 of the movable base module 1, the sliding block 1.2 is arranged on a sliding rail 1.3, and the frame 6 realizes the opposite movement of the left frame and the right frame through a hydraulic cylinder 1.5; the lower clamping module 7 contacts the wrench position of the lower sucker rod by extending out the second electric push rod 7.1, so that the reaction torque required by upper shackle is provided for the wrench position of the lower sucker rod; the rotating module 2 comprises a roller 2.1 and a first electric push rod supporting plate 2.2, the upper clamping module 3 is fixed through the first electric push rod supporting plate 2.2, the rotating module 2 drives the upper clamping module 3 to rotate to realize upper shackle, and the upper clamping module 3 clamps the wrench position of the upper sucker rod through the first electric push rod 3.1;
a support frame bottom plate 6.3 is arranged on the lower side of the frame 6, a lower clamping module 7 is arranged on the support frame bottom plate 6.3, a roller supporting plate 6.2 is arranged on the middle upper part of the frame 6, a roller 2.1 is arranged on the upper surface of the roller supporting plate 6.2, and the roller 2.1 is connected with a first electric push rod supporting plate 2.2;
the upper clamping module 3 provides power through the power module 4; the outer side of the first electric push rod supporting plate 2.2 is meshed with a small gear 5.2, the small gear 5.2 is driven by a stepping motor 5.1, and the stepping motor 5.1 is installed at the top of the frame 6.
The power driving module 5 is composed of a stepping motor 5.1 and a pinion 5.2, an output shaft of the stepping motor drives the pinion 5.2 to rotate, and the pinion 5.2 is meshed with the first electric push rod supporting plate 2.2 to complete the rotary motion of the rotary module 2.
The movable base module 1 comprises a workbench base 1.1, a sliding block 1.2, a sliding rail 1.3, a hydraulic cylinder support 1.4 and a hydraulic cylinder 1.5, wherein the workbench base 1.1 is provided with the sliding rail 1.3 and the hydraulic cylinder support 1.4, the sliding block 1.2 moves along the sliding rail, and a frame 6 is arranged above the sliding block 1.2; and a hydraulic cylinder 1.5 is arranged at the upper part of the hydraulic cylinder bracket 1.4, and the hydraulic cylinder 1.5 is connected with a frame 6 through an output shaft.
The use method of the shackle tongs capable of realizing automatic screwing-in and unscrewing of the sucker rod comprises the following steps:
and (3) a shackle removing process: the hook is lifted upwards, the slips clamp the flange of the lower sucker rod, the base module is moved to the center of the wellhead by moving leftwards and rightwards under the instruction of a control system, a second electric push rod 7.1 of the lower clamping module 7 extends out, contacts a wrench position, and is clamped by applying force; meanwhile, the first electric push rod 3.1 of the upper clamping module 3 extends out at the same time, contacts a spanner position and is clamped by applying force; the stepping motor 5.1 acts to drive the upper clamping module to rotate through the transmission mechanism, so that the shackle is removed, the stepping motor 5.1 drives the upper clamping module 3 to return to the original position, and the whole machine returns to the original position;
the screwing-in process and the screwing-out process are basically the same, the big hook is lowered, the upper sucker rod is aligned with the lower sucker rod and contacts the thread of the lower sucker rod, the base module is moved to the center of the well head by left and right movement under the instruction of the control system, the second electric push rod 7.1 of the lower clamping module 7 extends out, contacts the position of a spanner, and is clamped by applying force; meanwhile, a first electric push rod 3.1 of the upper clamping module 3 extends out to contact a spanner position, and is clamped by applying force; the stepping motor 5.1 acts to drive the upper clamping module 3 to rotate through the transmission mechanism, so that the upper clamping is realized, the upper clamping is completed, the stepping motor 5.1 drives the upper clamping module 3 to return to the original position, and then the whole machine returns to the original position.
The invention realizes the automation of loading and unloading the sucker rod, reduces the number of well mouth workers, reduces the working strength of the well mouth workers and improves the operation safety.
The above description is only a few of the preferred embodiments of the present invention, and any person skilled in the art may modify the above-described embodiments or modify them into equivalent ones. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a can realize automatic pincers of breaking out of going up of sucker rod, characterized by: the clamping device comprises a movable base module (1), a rotating module (2), an upper clamping module (3), a power module (4), a power driving module (5), a frame (6) and a lower clamping module (7), wherein the frame (6) is installed above the movable base module (1), the lower clamping module (7), the rotating module (2), the upper clamping module (3), the power module (4) and the power driving module (5) are sequentially installed on the frame (6) from bottom to top, and operation stations of the upper clamping module and the lower clamping module are on the same axis;
the frame (6) is fixedly arranged on a sliding block (1.2) of the movable base module (1), the sliding block (1.2) is arranged on a sliding rail (1.3), and the frame (6) realizes the opposite movement of the left frame and the right frame through a hydraulic cylinder (1.5); the lower clamping module (7) contacts the wrench position of the lower sucker rod by extending out of the second electric push rod (7.1) to provide the reaction torque required by upper shackle for the wrench position of the lower sucker rod; the rotating module (2) comprises a roller (2.1) and a first electric push rod supporting plate (2.2), the upper clamping module (3) is fixed through the first electric push rod supporting plate (2.2), the rotating module (2) drives the upper clamping module (3) to rotate to realize upper shackle, and the upper clamping module (3) clamps a wrench position of the upper sucker rod through the first electric push rod (3.1);
a support frame bottom plate (6.3) is arranged on the lower side of the frame (6), a lower clamping module (7) is arranged on the support frame bottom plate (6.3), a roller supporting plate (6.2) is arranged on the middle upper portion of the frame (6), a roller (2.1) is arranged on the upper surface of the roller supporting plate (6.2), and the roller (2.1) is connected with a first electric push rod supporting plate (2.2);
the upper clamping module (3) provides power through the power module (4); the outer side of the first electric push rod supporting plate (2.2) is meshed with a small gear (5.2), the small gear (5.2) is driven by a stepping motor (5.1), and the stepping motor (5.1) is installed at the top of the frame (6).
2. The shackle tongs capable of realizing automatic screwing on and unscrewing of the sucker rod according to claim 1 is characterized in that: the power driving module (5) is composed of a stepping motor (5.1) and a pinion (5.2), an output shaft of the stepping motor drives the pinion (5.2) to rotate, and the pinion (5.2) is meshed with the first electric push rod supporting plate (2.2) to complete the rotary motion of the rotary module (2).
3. The shackle tongs capable of realizing automatic screwing on and unscrewing of the sucker rod according to claim 1 is characterized in that: the movable base module (1) comprises a workbench base (1.1), a sliding block (1.2), a sliding rail (1.3), a hydraulic cylinder support (1.4) and a hydraulic cylinder (1.5), wherein the sliding rail (1.3) and the hydraulic cylinder support (1.4) are arranged on the workbench base (1.1), the sliding block (1.2) moves along the sliding rail, and a frame (6) is installed above the sliding block (1.2); the upper part of the hydraulic cylinder bracket (1.4) is provided with a hydraulic cylinder (1.5), and the hydraulic cylinder (1.5) is connected with the frame (6) through an output shaft.
4. The use method of the shackle tongs for realizing automatic screwing on and unscrewing of the sucker rods as claimed in any one of claims 1 to 3 is characterized in that: the method comprises the following steps:
and (3) a shackle removing process: the hook is lifted upwards, the slips clamp the flange of the lower sucker rod, the base module moves to the center of the wellhead leftwards and rightwards under the instruction of a control system, a second electric push rod (7.1) of the lower clamping module (7) extends out, contacts with a wrench, and is clamped in a stress application manner; meanwhile, a first electric push rod (3.1) of the upper clamping module (3) extends out simultaneously to contact a spanner position, and is clamped by applying force; the stepping motor (5.1) acts, the upper clamping module is driven to rotate through the transmission mechanism, the shackle is realized, the shackle is completed, the stepping motor (5.1) drives the upper clamping module (3) to return to the original position, and then the whole machine returns to the original position;
the screwing-in process and the screwing-out process are basically the same, the big hook is lowered, the upper sucker rod is aligned with the lower sucker rod and contacts the thread of the lower sucker rod, the base module is moved to the center of the well head by left and right movement under the instruction of the control system, the second electric push rod (7.1) of the lower clamping module (7) extends out to contact with the position of the wrench, and the clamping is realized by applying force; meanwhile, a first electric push rod (3.1) of the upper clamping module (3) extends out to contact a spanner position, and is clamped by applying force; the stepping motor (5.1) acts, the upper clamping module (3) is driven to rotate through the transmission mechanism, the upper clamping is achieved, the upper clamping is completed, the stepping motor (5.1) drives the upper clamping module (3) to return to the original position, and then the whole machine returns to the original position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053962.9A CN111236865B (en) | 2020-01-17 | 2020-01-17 | Shackle tongs and method capable of realizing automatic screwing-on and unscrewing of sucker rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053962.9A CN111236865B (en) | 2020-01-17 | 2020-01-17 | Shackle tongs and method capable of realizing automatic screwing-on and unscrewing of sucker rod |
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| Publication Number | Publication Date |
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| CN111236865A CN111236865A (en) | 2020-06-05 |
| CN111236865B true CN111236865B (en) | 2021-11-02 |
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| CN111878017B (en) * | 2020-09-28 | 2020-11-27 | 胜利油田康贝石油工程装备有限公司 | Rotary aligning and clamping device for back-up tong on workover sucker rod and using method |
| CN112983303B (en) * | 2021-05-07 | 2021-07-23 | 中国石油大学胜利学院 | Integrated sucker rod automatic slip and operation process |
| CN114382291B (en) * | 2022-02-23 | 2024-03-19 | 广东尚博特新材料科技有限公司 | Sectional unscrewing device for concrete pouring conduit |
| CN115234181B (en) * | 2022-09-22 | 2022-12-02 | 山东石油化工学院 | Mechanical execution device for realizing automatic operation reconstruction of sucker rod power tongs |
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