CN113137194A - Automatic buckle-breaking well repairing power tongs - Google Patents
Automatic buckle-breaking well repairing power tongs Download PDFInfo
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- CN113137194A CN113137194A CN202110655165.2A CN202110655165A CN113137194A CN 113137194 A CN113137194 A CN 113137194A CN 202110655165 A CN202110655165 A CN 202110655165A CN 113137194 A CN113137194 A CN 113137194A
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- oil pipe
- tong
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- buckle
- automatic
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000000080 chela (arthropods) Anatomy 0.000 claims 3
- 230000009471 action Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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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- 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
- E21B19/165—Control or monitoring arrangements therefor
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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)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of workover equipment, in particular to an automatic buckle-breaking workover power tong which comprises a back tong for clamping an oil pipe buckle, a main tong for rotating the oil pipe, a driving mechanism for driving the main tong to rotate and a control device for controlling the driving mechanism to work, wherein the control device is in control connection with a torque sensor for measuring the rotation torque of the main tong, the automatic buckle-breaking workover power tong further comprises a vibration device for outputting vibration force to the oil pipe to break the buckle under the condition that the connection relation between the oil pipe and the oil pipe buckle cannot be relieved when the torque of the main tong reaches a set value, and the control device is in control connection with the vibration device.
Description
Technical Field
The invention relates to the technical field of workover equipment, in particular to an automatic buckle-breaking workover power tong.
Background
The power tongs are a special tool for loading and unloading oil pipe columns (hereinafter referred to as pipe columns) in the workover operation of an oil system, and are important tools for improving the working condition of operating workers, ensuring the construction operation quality and realizing the mechanization of well head operation. The power tongs mainly rely on a hydraulic system to control and transmit power, two rotating speeds and torques are output through two-gear speed reduction, then the tongs teeth clamp and rotate the pipe column through the clamping mechanism, and the oil pipe thread loading and unloading is realized under the matching of back tongs.
Specifically, when threading: and under the condition that the main tong and the back-up tong are aligned with the openings, the reset knob is moved to the buckling direction respectively, the power tong is pushed to the pipe column, the manual reversing valve is operated to change the flow direction of pressure oil of the hydraulic motor, the main tong is pushed to rotate along the buckling direction, the buckling is finished, the manual reversing valve is operated reversely to reverse the main tong, the tong heads of the main tong and the back-up tong are aligned with the openings respectively, and then the power tong is removed from the pipe column, so that the one-time threading operation is finished. When the thread is unloaded: and under the condition that the clamp heads of the main clamp and the back clamp are aligned with the openings, respectively moving the reset knob to the shackling direction, pushing the power clamp to the pipe column, operating the manual reversing valve to change the flow direction of pressure oil of the hydraulic motor, pushing the main clamp to rotate along the shackling direction, completing shackling, reversely operating the manual reversing valve to reversely rotate the main clamp, respectively aligning the clamp heads of the main clamp and the back clamp with the openings, and then withdrawing the power clamp from the pipe column to finish one-time thread shackling operation.
In actual well repairing operation, when a water well, an oil well which is not repaired for many years, and the connection part of an oil pipe column in the well deform, the conventional power tongs do not break the oil pipe buckle due to rust adhesion generated by the oil pipe buckle, at the moment, the large hammer still needs to be used manually to knock the oil pipe buckle, and the oil pipe buckle is detached by using the power tongs after the oil pipe buckle becomes loose, so that the labor intensity of workers is increased, the disassembling efficiency is reduced, irreparable damage is brought to the disassembled oil pipe column due to hammering of the oil pipe buckle, and the service life of the oil pipe column is shortened.
Disclosure of Invention
In view of the above, the invention aims to provide an automatic breakout and workover power tong which can assist an oil pipe breakout when the power tong works, reduce the labor intensity of workers, improve the breakout efficiency, reduce the damage to an oil pipe column, and prolong the service life of the oil pipe column.
In order to achieve the purpose, the automatic buckle-breaking well repairing power tongs provided by the invention adopt the following technical scheme:
automatic break out and detain workover power tongs, including back-up tong, the main tongs that rotates oil pipe that centre gripping oil pipe was detained, still including being used for driving the rotatory actuating mechanism of main tongs and control the controlling means of actuating mechanism work, controlling means control connection has the torque sensor who is used for measuring the main tongs rotation torque, automatic break out and detain workover power tongs still including being used for still can not relieve oil pipe and oil pipe when the moment of torsion of main tongs and detain the condition of relation of connection and export the device that shakes and strike power in order to break out and detain to oil pipe under, controlling means control connection shake and strike the device.
Further, the vibration device outputs vibration force to the oil pipe through the active clamp.
Further, the driving mechanism comprises a hydraulic motor and a reduction gear which can rotate under the driving of the hydraulic motor, and the reduction gear is in meshing transmission with the main tong.
Further, the device of hitting that shakes includes wind big gun spanner and sets up the rotating gear at wind big gun spanner front end, rotating gear with reducing gear's axis is parallel to each other, and has the interval between rotating gear and the reducing gear, interval size satisfies wind big gun spanner drive rotating gear can transmit the vibrational force who produces simultaneously when rotating gear transmits reducing gear's demand.
Further, the wind cannon wrench comprises a main shaft and a blade which drives the main shaft to rotate and generate vibration acting force, the blade is driven in a hydraulic mode, and the main shaft is provided with the rotating gear.
The automatic buckle-breaking well repairing power tongs provided by the invention have the beneficial effects that: when the well repairing operation is carried out, the reset knobs are respectively moved to the shackle direction and the power tongs are pushed to an oil pipe under the state that the tong heads of the main tong and the back tong are aligned with the openings, the back tong is responsible for clamping and holding the oil pipe buckle, the control device controls the driving mechanism to enable the main tong to rotate, the torque sensor transmits real-time rotating torque of the main tong to the main tong, when the torque sensor detects that the real-time torque of the main tong is smaller than a set value, the main tong can smoothly unload the oil pipe from the oil pipe buckle under the action of the driving mechanism, when the real-time torque of the main tong reaches the set value, the main tong still cannot unload the oil pipe under the action of the driving mechanism, at the moment, the control device controls the vibrating device to output vibrating force to the main tong, the expansion state between the oil pipe and the oil pipe buckle is achieved under the matching action of the main tong and the back tong, and the connection relationship between the oil pipe buckle can be quickly removed through the vibrating force beating action of the vibrating force, in the process, the main shaft can be provided with larger vibration force through hydraulic driving, so that a better vibration effect is generated on the main pliers;
compared with the prior art, the device has the advantages that even if the oil pipe is tightly adhered to the oil pipe buckle during the shackle dismounting, the oil pipe buckle is not required to be knocked by a large hammer operated manually, so that the manpower and material resources are greatly reduced, the labor intensity is reduced, the shackle efficiency is improved, the damage to the oil pipe is reduced, and the service life of the oil pipe is prolonged; on the other hand, when the hammer in the prior art is manually operated, the main tong needs to be stopped, and the main tong is started after the hammer blows the oil pipe to be loosened, but the main tong does not need to be stopped, and the main tong is used for assisting in vibrating and breaking the fastener under the condition that the main tong works first, so that the fastener breaking efficiency is further improved.
Drawings
FIG. 1 is an external schematic view of an automatic breakback workover power tong according to the present invention (the drive portion of the wind cannon wrench is not shown);
FIG. 2 is a first schematic internal view of the automatic breakout workover power tong provided by the present invention (the driving part of the wind cannon wrench is not shown);
fig. 3 is a second internal schematic view (the driving part of the wind cannon wrench is not shown) of the automatic breakout workover power tong provided by the invention;
fig. 4 is a third schematic internal view (the driving part of the wind cannon wrench is not shown) of the automatic breakout workover power tong provided by the invention.
Reference numbers in the figures: 1. back-up tongs; 2. a main tong; 3. a reduction gear; 4. a rotating gear; 5. a hydraulic motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention is described in further detail below with reference to the following figures and detailed description:
the first embodiment:
as shown in fig. 1 to 4, an automatic breakout workover power tong comprises a back-up tong 1 for clamping an oil pipe buckle, a main tong 2 for rotating the oil pipe, a driving mechanism for driving the main tong 2 to rotate, and a control device for controlling the driving mechanism to work, wherein the control device is in control connection with a torque sensor for measuring the rotation torque of the main tong 2, the automatic breakout workover power tong further comprises a vibration device for outputting vibration force to the oil pipe to breakout under the condition that the connection relationship between the oil pipe and the oil pipe buckle cannot be removed when the torque of the main tong 2 reaches a set value, and the control device is in control connection with the vibration device.
And the vibration device outputs vibration force to the oil pipe through the active clamp.
The driving mechanism comprises a hydraulic motor 5 and a reduction gear 3 which can rotate under the driving of the hydraulic motor 5, and the reduction gear 3 is in meshing transmission with the main tong 2.
The device of hitting that shakes includes wind big gun spanner (not shown in the figure) and sets up rotating gear 4 at wind big gun spanner front end, rotating gear 4 with reducing gear 3's axis is parallel to each other, and has the interval between rotating gear 4 and the reducing gear 3, interval size satisfies wind big gun spanner drive rotating gear 4 can transmit the vibrational force that produces simultaneously when rotating gear rotates for reducing gear 3's demand.
The wind cannon wrench comprises a main shaft and blades which drive the main shaft to rotate and generate vibration acting force, the blades are driven in a hydraulic mode, and the main shaft is provided with the rotating gear 4.
The working principle of the automatic buckle-breaking well-repairing power tongs provided by the invention is as follows: when in workover operation, the reset knobs are respectively moved to the shackle direction and the power tongs are pushed to an oil pipe under the condition that the tong heads of the main tong 2 and the back-up tong 1 are aligned with the openings, the back-up tong 1 is responsible for clamping and holding the oil pipe buckle, the control device controls the driving mechanism to enable the main tong 2 to rotate, the torque sensor transmits the real-time rotating torque of the main tong 2 to the main tong 2, when the torque sensor detects that the real-time torque of the main tong 2 is smaller than a set value, the main tong 2 can smoothly unload the oil pipe from the oil pipe buckle under the action of the driving mechanism, when the real-time torque of the main tong 2 reaches the set value, the main tong 2 still cannot unload the oil pipe under the action of the driving mechanism, at the moment, the control device controls the vibrating device to output the vibrating force to the main tong 2, and the tight expansion state between the oil pipe and the oil pipe buckle is achieved under the matching action of the main tong and the back-up tong 1, through the vibrating action of the vibrating force, the connection relation between the oil pipe and the oil pipe buckle can be quickly removed, and in the process, a large vibration force can be provided for the main shaft through hydraulic driving, so that a better vibration effect can be generated on the main tong 2;
compared with the prior art, the device has the advantages that even if the oil pipe is tightly adhered to the oil pipe buckle during the shackle dismounting, the oil pipe buckle is not required to be knocked by a large hammer operated manually, so that the manpower and material resources are greatly reduced, the labor intensity is reduced, the shackle efficiency is improved, the damage to the oil pipe is reduced, and the service life of the oil pipe is prolonged; on the other hand, when the hammer in the prior art is manually operated, the main tong 2 needs to be stopped, the main tong 2 is started after the hammer blows the oil pipe to be loosened, the main tong 2 does not need to be stopped, and the vibration device is used for assisting in vibrating and breaking the fastener under the condition that the main tong 2 works first, so that the breaking efficiency is further improved.
It should be noted that, the wind cannon wrench belongs to the common general knowledge known by those skilled in the art, and when the wind cannon wrench operates, the front end of the wind cannon wrench not only rotates, but also rapidly vibrates.
Second embodiment:
the difference from the first embodiment is that the driving manner of the blade in this embodiment is pneumatic driving, and specifically, the arrangement of the pneumatic type pneumatic gun wrench described in the patent document of chinese invention with an authorization publication number of CN212825057U can be referred to, and the details are not described herein because it belongs to the prior art.
The third embodiment:
the difference with the first embodiment lies in that, the rapping device includes the pneumatic cylinder and sets up the vibratory hammer at the pneumatic cylinder output in this embodiment, directly drives the vibratory hammer effect oil pipe tubular column through the effect of pneumatic cylinder, no longer acts on the oil pipe tubular column indirectly through the main tong.
The fourth embodiment:
the difference from the first embodiment is that the transfer gear in this embodiment is no longer arranged next to the reduction gear but directly next to the main tong to transfer the force to the main tong when vibrating.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. Automatic collapse and detain well workover power pincers, including back-up tong that centre gripping oil pipe was detained, the main pincers of rotation oil pipe, still including being used for driving the rotatory actuating mechanism of main pincers and control the controlling means of actuating mechanism work, its characterized in that: the control device is connected with a torque sensor used for measuring the rotation torque of the main tong in a control mode, the automatic buckle-breaking well-repairing power tong further comprises a vibration device used for outputting vibration force to the oil pipe to break the buckle under the condition that the connection relation between the oil pipe and the oil pipe buckle cannot be removed when the torque of the main tong reaches a set value, and the control device is connected with the vibration device in a control mode.
2. The automatic breakout workover power tong according to claim 1, characterized in that: and the vibration device outputs vibration force to the oil pipe through the active clamp.
3. The automatic breakout workover power tong according to claim 1 or 2, characterized in that: the driving mechanism comprises a hydraulic motor and a reduction gear which can rotate under the driving of the hydraulic motor, and the reduction gear is in meshing transmission with the main tong.
4. The automatic breakout workover power tong according to claim 3, characterized in that: the device of hitting that shakes includes wind big gun spanner and sets up the running gear at wind big gun spanner front end, running gear with reduction gear's axis is parallel to each other, and has the interval between running gear and the reduction gear, interval size satisfies wind big gun spanner and drives can transmit the vibrational force that produces simultaneously when running gear rotates for reduction gear's demand.
5. The automatic breakout workover power tong according to claim 4, characterized in that: the wind cannon wrench comprises a main shaft and blades which drive the main shaft to rotate and generate vibration acting force, the blades are driven in a hydraulic mode, and the main shaft is provided with the rotating gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110655165.2A CN113137194A (en) | 2021-06-11 | 2021-06-11 | Automatic buckle-breaking well repairing power tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110655165.2A CN113137194A (en) | 2021-06-11 | 2021-06-11 | Automatic buckle-breaking well repairing power tongs |
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| Publication Number | Publication Date |
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| CN113137194A true CN113137194A (en) | 2021-07-20 |
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| CN202110655165.2A Pending CN113137194A (en) | 2021-06-11 | 2021-06-11 | Automatic buckle-breaking well repairing power tongs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575769A (en) * | 2022-04-01 | 2022-06-03 | 毕晓芳 | Oil pipe jarring shackle combined power tongs with safety protection loop |
-
2021
- 2021-06-11 CN CN202110655165.2A patent/CN113137194A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575769A (en) * | 2022-04-01 | 2022-06-03 | 毕晓芳 | Oil pipe jarring shackle combined power tongs with safety protection loop |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210823 Address after: 457000 intersection of Huanghe Road and Panjin Road, Puyang City, Henan Province Applicant after: PUYANG ZHONGTIAN PETROLEUM MACHINERY ENGINEERING TECHNOLOGY Co.,Ltd. Applicant after: PUYANG DONGHAO MECHANICAL & ELECTRONIC Co.,Ltd. Address before: 457000 intersection of Huanghe Road and Panjin Road, Puyang City, Henan Province Applicant before: PUYANG ZHONGTIAN PETROLEUM MACHINERY ENGINEERING TECHNOLOGY Co.,Ltd. |
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| TA01 | Transfer of patent application right |