CN116752907B - Full-automatic intelligent hydraulic workover rig - Google Patents
Full-automatic intelligent hydraulic workover rig Download PDFInfo
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- CN116752907B CN116752907B CN202311036207.XA CN202311036207A CN116752907B CN 116752907 B CN116752907 B CN 116752907B CN 202311036207 A CN202311036207 A CN 202311036207A CN 116752907 B CN116752907 B CN 116752907B
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- 238000005086 pumping Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
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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
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of hydraulic workover rigs, in particular to a full-automatic intelligent hydraulic workover rig. The full-automatic intelligent hydraulic workover rig comprises a hanging bracket, an elevator combination and rotating assemblies which are arranged at the bottom of the hanging bracket and symmetrically arranged between two hanging rods; the bottom ends of the two suspenders are provided with hanging rings; the elevator combination comprises two fasteners which can mutually open and close and lifting lugs which are fixed on the outer sides of the two fasteners and are respectively connected with the two lifting rings in a hanging mode, through grooves which are downwards communicated are formed in the opposite sides of the two fasteners, the elevator combination of the workover rig is improved, an oil pumping pipe in a motor-pumped well can be automatically extracted, a pure manual pipe lifting mode is replaced, when an oil pipe is extracted, a user is manually away from a severe motor-pumped well environment, the labor intensity is reduced, and meanwhile, the operation environment is improved.
Description
Technical Field
The invention relates to the technical field of hydraulic workover rigs, in particular to a full-automatic intelligent hydraulic workover rig.
Background
The hydraulic workover rig consists of a complex mechanism such as an engineering truck, a hydraulic system, a power supply system, a derrick, a rotary operation room, a compact winch with a clutch, a lifting elevator combination hung on the winch by a steel wire rope or a chain transmission, and the like, wherein the hydraulic system provides power for the derrick, so that the derrick can finish lifting action above a wellhead, the power supply system in the rotary operation room instructs the winch at the top end of the derrick to retract the steel wire rope, lifting and deflection of the elevator combination are completed, so that the sucker rod in the well is lifted upwards by the elevator combination, and most of the existing workover rigs have intelligent automatic functions along with the development of society and the requirement of supply relation, for example, a driver in a cockpit can remotely play the derrick to control the change position, and the like.
However, the existing elevator combination comprises two semicircular fasteners, when the elevator combination is used, people need to stand nearby a wellhead, the two fasteners are manually separated, then the two fasteners are combined on the sucker rod, finally the sucker rod is lifted upwards by a winch in an elevator combination mode, according to the motor-pumped well maintenance requirement, two operators often need to stand on the wellhead, firstly, a antiskid plate needs to be arranged above the wellhead, secondly, the two operators are required to operate in a matched mode, thirdly, a rotating machine needs to be manually clamped on the sucker rod to drive the sucker rod to rotate, so that the working efficiency of lifting the sucker rod upwards from the well is improved, labor intensity of workers is high, sulfur dioxide gas can be brought out when the sucker rod is lifted upwards from the well, and the working environment is bad. Therefore, how to improve the well repairing efficiency, lighten the labor intensity of workers, and keep the workers away from the severe working environment as far as possible, so that automation is realized during the extraction operation of the oil pumping pipe in the well is the problem to be solved at present.
Disclosure of Invention
The invention aims to solve the technical problems that by improving the elevator combination, the artificial fatigue is reduced during the maintenance operation of the motor-pumped well, the working environment is improved, the automation is realized when the oil pumping pipe is removed from the motor-pumped well, and the maintenance efficiency is improved.
The technical scheme of the invention is that the full-automatic intelligent hydraulic workover rig comprises a hanging bracket, hanging rods symmetrically arranged on two sides of the hanging bracket, an elevator combination hung at the bottom of the hanging rods, and a rotating assembly arranged at the bottom of the hanging bracket and symmetrically arranged between the two hanging rods; the bottom ends of the two suspenders are provided with hanging rings; the elevator combination comprises two fasteners capable of opening and closing mutually and lifting lugs fixed on the outer sides of the two fasteners and used for being respectively connected with the two lifting rings, through grooves which are communicated downwards are formed in the opposite sides of the two fasteners, circular through holes are formed in the two through grooves when the two fasteners are combined, auxiliary grooves are formed in the top ends of the through grooves of the two fasteners, mutually hinged jacking mechanisms are arranged in the auxiliary grooves at the top ends of the two fasteners, and when the opposite surfaces of the two fasteners are combined, the jacking mechanisms are driven to ascend in the through grooves, and when the two fasteners are separated reversely, the jacking mechanisms are driven to descend in the through grooves; the rotary assembly comprises a motor arranged between two suspenders and a transmission rod arranged on a power output shaft of the motor, the transmission rod downwards extends to the upper part of the elevator combination, a rotating sleeve is fixed at the bottom end of the transmission rod and positioned above the axle center of the through groove, the rotating sleeve is a circular buckle sleeve with a downward opening, the jacking mechanism is in lifting motion relative to the bottom end direction of the rotating sleeve when lifting in the through groove, and comprises a rotating shaft, a first connecting rod and a second connecting rod, the rotating shaft is connected to the top end of the buckle, the first connecting rod is connected to the upper part of the rotating shaft, and the second connecting rod is connected between the two first connecting rods and positioned above the through groove.
As a further preferable mode, the number of the jacking mechanisms is two, and the two jacking mechanisms are symmetrically arranged in front and back of the axis of the through groove.
As a further preferable mode, the jacking mechanism further comprises a buffer structure, the buffer structure comprises a spring, a first baffle plate, a second baffle plate and a limit sleeve, the limit sleeve is in clearance fit with the rotating shaft, the first baffle plate and the second baffle plate are sleeved at the end part of the rotating shaft, the first baffle plate is contacted with the inner wall of the auxiliary groove, the second baffle plate is contacted with the first connecting rod, the spring is sleeved at the end part of the rotating shaft, two ends of the spring are respectively abutted between opposite surfaces of the first baffle plate and the second baffle plate, a movable gap is formed between the first connecting rod and the inner wall surface of the auxiliary groove, the first connecting rod can linearly move in the auxiliary groove along the rotating shaft, and the spring is pushed to compress through the second baffle plate when the first connecting rod moves; and a gasket in rolling contact between the sleeve and the inner wall of the first connecting rod is sleeved on the rotating shaft.
As a further preferable mode, a chamfer surface is formed at the top of one surface of the second baffle plate on the same side of the first connecting rod, and a locking plate extending towards the chamfer surface is welded in the auxiliary groove.
As a further preferable mode, a guide structure is arranged between the opposite faces of the two fasteners, the guide structure comprises a front guide post and a rear guide post which are fixed on one fastener, and the guide structure further comprises a front guide hole and a rear guide hole which are arranged on the other fastener, and the two guide posts are in sliding fit in the two guide holes.
As a further preferable mode, a piece of bearing bush is arranged in each through groove of each fastener, planes are arranged on opposite sides of the two bearing bushes, so that when the two fasteners are combined, the opposite sides of the two bearing bushes can be driven to be combined synchronously, at least two universal ball seats are respectively arranged in the two bearing bushes, and all the universal ball seats are annularly arranged on the periphery of the axis of each through groove.
Preferably, the two fastening members are respectively fixed with a connecting plate on the outer wall surface of the same side, and the elevator assembly further comprises a first oil cylinder which is connected between the two connecting plates and can enable the two fastening members to move relatively or reversely when the action rod stretches and contracts.
As a further preferable mode, two supporting rods are symmetrically arranged on two side walls of the hanging frame, the two supporting rods and the two hanging rods are arranged in pairs on the same side, a second oil cylinder is connected between the supporting rods and the hanging rods on the same side, the two hanging rods are movably hinged with the side walls of the hanging frame, a carrier plate is connected between the two hanging rods, the motor is fixed on the carrier plate, a through hole for enabling the transmission rod to penetrate downwards is formed in the carrier plate, and a bearing for keeping the transmission rod to rotate stably is assembled in the through hole.
Compared with the prior art, the invention has the beneficial effects that:
the elevator component is divided into two parts, the two parts can be combined or separated, the side parts of the two parts are hung on the hanging ring through the hanging lugs, and the hanging ring can be lifted upwards more easily because the oil pumping pipe is loosened in the motor-pumped well in the axial direction when the two hanging rods are lifted along with the hanging frame.
The first oil cylinder drives the two fasteners to move oppositely or reversely automatically, the two fasteners are provided with the lifting mechanism which moves along with the two fasteners, the two fasteners are quickly combined under remote monitoring, the lifting mechanism can ascend during combination, and finally the oil pumping pipe is axially loosened before being upwards extracted from the motor-pumped well, and the lifting mechanism is also provided with a rotating function, and the top end of the oil pumping pipe is propped into the rotating sleeve during lifting, so that the oil pumping pipe is more smooth during upwards extraction from the motor-pumped well. And the oil extraction pipe is remotely controlled during extraction, so that automation is realized. The manual work is kept away from abominable motor-pumped well environment, has reduced intensity of labour, has still improved the operational environment.
Drawings
Fig. 1 is a schematic view of a hydraulic workover rig according to an embodiment of the present invention, when an elevator assembly is suspended by a hanger.
Fig. 2 is an enlarged schematic view of a portion a drawn from fig. 1 in an embodiment of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention when the fastener is removed from the device according to another view angle drawn from fig. 1.
FIG. 4 is a schematic view of the construction of the elevator assembly of FIG. 1 with half removed from the assembly in accordance with an embodiment of the present invention.
Fig. 5 is an enlarged view of the B part drawn from fig. 4 according to the embodiment of the present invention.
FIG. 6 is a schematic view of the structure of the elevator assembly according to the embodiment of the present invention when one fastener is removed from the elevator assembly.
Fig. 7 is a schematic view of a structure of the jacking mechanism according to the embodiment of the present invention when the jacking mechanism is disassembled.
FIG. 8 is a schematic diagram of the operation of an embodiment of the present invention as applied to lifting a sucker rod from a well.
FIG. 9 is an enlarged schematic view of portion C from FIG. 8 when an embodiment of the invention is applied to lifting a sucker rod from a well.
In the figure: 1. a hanging bracket; 11. a hanging ring; 12. a support rod; 2. a boom; 21. a carrier plate; 211. a through hole; 212. a bearing; 3. an elevator assembly; 31. a fastener; 311. a guide structure; 312. a guide post; 313. a guide hole; 32. lifting lugs; 33. a through groove; 331. bearing bush; 332. a universal ball seat; 34. a groove is formed; 341. a locking plate; 35. a jacking mechanism; 350. a gasket; 351. a rotating shaft; 352. a first link; 3521. chamfering the surface; 353. a second link; 354. a buffer structure; 355. a spring; 356. a first baffle; 357. a second baffle; 358. a limit sleeve; 359. a clearance gap; 4. a rotating assembly; 41. a motor; 42. a transmission rod; 43. a rotating sleeve; 5. a first cylinder; 6. and a second oil cylinder.
Detailed Description
The foregoing and other embodiments and advantages of the invention will be apparent from the following, more complete, description of the invention, taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention.
In one embodiment, as shown in fig. 1-9: in the fully automatic intelligent hydraulic workover rig provided by the embodiment, besides the hydraulic workover rig can be freely changed into a construction position by taking the engineering truck as a transfer carrier, a derrick and a winch are also arranged on the engineering truck, and besides the prior art, the elevator combination 3 of the hydraulic workover rig, which is hung on the winch through a steel wire rope, is improved.
Firstly, a hanging frame 1 which is connected to a steel wire rope in practical use and can lift and move above a motor-pumped well along a derrick is arranged at the top end, a left hanging rod 2 and a right hanging rod 2 for hanging an elevator combination 3 are arranged at two sides of the hanging frame 1, namely, the two hanging rods 2 can lift and move above the motor-pumped well along the hanging frame 1 when the winch receives and releases the steel wire rope, and hanging rings 11 which are used for hanging on side lifting lugs 32 of the elevator combination 3 are respectively arranged at the bottom ends of the two hanging rods 2; the lifting motion of the boom 2 can be synchronously completed above the motor-pumped well by carrying the elevator combination 3.
Next, the elevator assembly 3 in the present embodiment is modified as follows: as shown in fig. 1 to 3, one of the improvements is: the two split fasteners 31 are used as the clamp bodies of the elevator combination 3 for clamping the oil suction pipe in the well, so that through grooves 33 which are communicated downwards are formed on opposite sides of the two fasteners 31, and the two through grooves 33 are round through holes when the two fasteners 31 are combined. In this regard, when the oil pumping pipe in the motor-pumped well needs to be extracted upwards, the two fasteners 31 move relatively, and the circular hole formed by the combination of the through grooves 33 between the two fasteners is used as a positioning guide in the circumferential range when the oil pumping pipe is lifted upwards while rotating. When the oil pumping pipe is driven by the rotating component 4 to loosen during rotation in the motor-pumped well, the stable rotation of the oil pumping pipe can be ensured.
As shown in fig. 1, 2 and 7, the second improvement is that: the top ends of the through grooves 33 of the two fasteners 31 are respectively provided with an auxiliary groove 34 in a symmetrical mode, the auxiliary grooves 34 are horizontally arranged, the top ends of the two fasteners 31 are internally provided with mutually hinged jacking mechanisms 35, when the opposite surfaces of the two fasteners 31 are combined, the jacking mechanisms 35 are driven to ascend in the through grooves 33, and when the two fasteners 31 are mutually separated in opposite directions, the jacking mechanisms 35 are driven to descend in the through grooves 33. Therefore, the attachment groove 34 formed at the top ends of the two fasteners 31 is horizontally communicated with the through groove 33, and the two fasteners 31 are combined on the oil suction pipe to serve as positioning guide when the oil suction pipe is extracted upwards from the motor-pumped well, and the lifting mechanism 35 is lifted above the through groove 33 when the two fasteners 31 are combined, otherwise, the two fasteners 31 move reversely to each other and are separated from the periphery of the oil suction pipe, and the lifting mechanism 35 is driven to descend. When the lifting mechanism 35 is lifted, the top ends of the two fasteners 31 are raised, the top ends of the two fasteners 31 are shortened, the top ends of the conventional oil extraction pipe are provided with flange interfaces (as shown in the working principle diagram of fig. 9), the outer diameters of the flange interfaces are larger than the outer diameters of the pipe bodies, so that when the two fasteners 31 are combined on the oil extraction pipe, the flange openings at the top ends of the oil extraction pipe are limited at the top, when the lifting mechanism 35 is synchronously lifted due to the combination of the two fasteners 31 on the periphery of the oil extraction pipe, the top ends of the two fasteners 31 are propped against the bottom surface of the flange interfaces, and because the flange interfaces are of a top end structure of the oil extraction pipe, the flange interfaces can drive the oil extraction pipe to lift for a certain stroke along the inner cavity of the motor well when being lifted, the oil extraction pipe is loosened in the axial direction of the motor well, and because the side parts of the two fasteners 31 are hung on the hanging lugs 32, when the hanging rings 11 are lifted along with the lifting frame 1, the hanging rings 11 can be lifted more easily in the axial direction of the motor well.
In order to automate the combination of the two fasteners 31, as shown in fig. 1, a connection board 314 is fixed on the outer wall surface of the same side of the two fasteners 31, and the elevator assembly 3 further includes a first cylinder 5 connected between the two connection boards 314 and capable of enabling the two fasteners 31 to move relatively or reversely when the action rod stretches and contracts, wherein the first cylinder 5 is remotely controlled in the cockpit of the workover rig engineering vehicle, remotely monitored by a camera, and remotely controlled by an existing hydraulic system on the workover rig. The driver in the cab of the engineering truck directly and remotely controls the derrick through the handle or the button, the derrick transfers the lifting frame 1 in the embodiment to the upper part of the motor-pumped well, the winch reel on the winch releases the steel wire rope, the steel wire rope lowers the lifting frame 1 until the elevator combination 3 at the bottom end of the lifting frame 1 is put on the oil pumping pipe of the motor-pumped well, the hydraulic system controls the action rod of the first oil cylinder 5 to extend under the remote monitoring, so that the two fasteners 31 are rapidly separated, the two fasteners 31 can be transferred to the top end of the oil pumping pipe along with the whole elevator combination 3 due to the position change of the derrick, then the two fasteners 31 are lowered to the two sides of the oil pumping pipe through the flange interface at the top end of the oil pumping pipe, the action rod of the first oil cylinder 5 is remotely monitored again and instructed to retract, so that the two fasteners 31 are combined at the two sides of the oil pumping pipe, the lifting mechanism 35 can ascend during combination, and finally the oil pumping pipe is axially loosened before being upwards extracted from the motor-pumped well through a series of actions, and the oil pumping pipe is more smoothly extracted upwards from the motor-pumped well.
In addition to axial loosening of the oil extraction pipe in the motor-pumped well before the oil extraction pipe is extracted upwards from the motor-pumped well, in the embodiment, circumferential loosening of the oil extraction pipe in the motor-pumped well can be completed in a rotating mode.
Because the rotating sleeve 43 is a round buckle sleeve with a downward opening, when the lifting mechanism 35 is in lifting action, the flange interface at the top end of the oil pumping pipe can be lifted into the rotating sleeve 43 at the bottom end of the transmission rod 42, the transmission rod 42 is driven by the motor 41 to rotate, the rotating power is transmitted to the rotating sleeve 43, the lifting mechanism 35 lifts the flange interface at the top end of the oil pumping pipe into the rotating sleeve 43, the flange interface is not simply sent into the rotating sleeve 43, but is lifted into the rotating sleeve 43 in a lifting mode, friction force between the flange interface and the rotating sleeve 43 is increased, when the rotating sleeve 43 rotates, the oil pumping pipe can be driven to rotate effectively in a motor well through the flange interface, when the lifting mechanism 35 is in lifting mode, the lifting mechanism 35 can be ensured to lift along with the elevator combination 3, the fact that the oil pumping pipe is lifted upwards from the motor well can be met, the extraction action and the rotating action are synchronously performed, and the oil pumping pipe is ensured to be more smooth when the oil pumping pipe is extracted in double actions.
The specific structure of the jack-up mechanism 35 is described in the following in a unfolding manner: the jacking mechanism 35 comprises a rotating shaft 351 which is connected in the top attaching grooves 34 of the two fasteners 31, a first connecting rod 352 which is connected on the two rotating shafts 351 respectively, and a second connecting rod 353 which is connected between the two first connecting rods 352 and is positioned above the through grooves 33. The lifting action principle of the lifting mechanism 35 is as follows: when the two fasteners 31 are combined, the two rotating shafts 351 drive the first connecting rods 352 in the two auxiliary grooves 34 to fold in opposite directions, so that the second connecting rod 353 between the two first connecting rods 352 is lifted, the flange interface at the top end of the oil pumping pipe is pushed into the rotating sleeve 43 by the lifting action of the second connecting rod 353, and the top end surface of the second connecting rod 353 is filled with steel balls or steel balls (in the prior art, the drawing is omitted) when actually arranged, so that the top surface of the second connecting rod 353 has rolling property, and the flange interface can be ensured not to rub with the top end of the second connecting rod 353 due to rotation when the rotating sleeve 43 drives the flange interface to rotate besides the flange interface to be pushed into the rotating sleeve 43.
As shown in fig. 2 and 5, two sets of jacking mechanisms 35 are provided, and the two sets of jacking mechanisms 35 are symmetrically arranged around the axis of the through groove 33, and during lifting, two second connecting rods 353 provide lifting force for the bottom surface of the flange interface at the top end of the oil pumping pipe so as to ensure that the top end of the oil pumping pipe is stressed stably, and meanwhile, the oil pumping pipe is ensured to rotate stably in the motor-pumped well.
As shown in fig. 2, 5 and 7, the lifting mechanism 35 further includes a buffer structure 354, the buffer structure 354 includes a spring 355, a first blocking piece 356, a second blocking piece 357, and a limit sleeve 358, the limit sleeve 358 is in clearance fit on the rotating shaft 351, the first blocking piece 356 and the second blocking piece 357 are sleeved at the end of the rotating shaft 351, the first blocking piece 356 contacts the inner wall of the attaching slot 34, the second blocking piece 357 contacts the first connecting rod 352, the spring 355 is sleeved at the end of the rotating shaft 355, two ends of the spring 355 respectively abut between opposite faces of the first blocking piece 356 and the second blocking piece 357, an elastic component located in the lateral direction of the first connecting rod 352 is formed, a movable gap 359 capable of enabling the first connecting rod 352 to move forward and backward in the attaching slot 34 is formed between the first connecting rod 352 and the inner wall surface of the attaching slot 34, the movable gap 359 is arranged, when the first link 352 is sleeved downwards along with the second link 353 from the top end flange joint of the pumping pipe, the bottom surfaces of the two second links 353 are firstly contacted with the front and rear areas of the top surface of the flange joint, the bottom surfaces of the two second links 353 are inclined surfaces, and the front and rear second links 353 respectively slide forwards and backwards due to the rigid contact between the bottom inclined surfaces of the two second links 353 and the top surface of the flange joint along with the continuous downward movement of the two second links 353, finally, when the two fasteners 31 are sleeved downwards along with the top end flange joint of the pumping pipe, the front second link 353 moves forwards, the rear second link 353 moves backwards, finally, the two second links 353 fall on the bottom of the flange joint along with the two fasteners 31 along with the movable gap 359 in the attaching groove 34, so that the front first link 352 moves rearward in the attachment slot 34 along the moving gap 359. After the first connecting rod 352 moves back and forth along with the second connecting rod 353, the first baffle 356 and the second baffle 357 are elastically supported by the spring 355 to reset to the lower part of the flange interface, so that when the two fasteners 31 are combined, the second connecting rod 353 can be driven to lift the flange interface through the folding motion of the two first connecting rods 352. Therefore, the buffer structure 354 can prevent the flange interface from obstructing the front and rear second connecting rods 353 when the two fasteners 31 are sleeved downwards from the flange interface at the top end of the sucker rod.
As shown in fig. 2, a chamfer surface 3521 is formed at the top of a surface of the first link 352 facing the second baffle 357, a locking plate 341 extending towards the chamfer surface 3521 is welded in the auxiliary groove 34, when two first links 352 of the same lifting mechanism 35 are folded relatively due to combination of the fasteners 31 and drive the second link 353 to lift, the locking plate 341 in the auxiliary groove 34 enters the outer side of the first link 352 along the chamfer surface 3521, and limits the outer side of the first link 352, so that when the second link 353 lifts the flange interface at the top end of the oil pumping pipe upwards due to lifting movement, the two first links 352 are prevented from freely moving along the movable gap 359 at the moment, thereby preventing the first link 352 from sliding from the bottom surface of the flange interface due to movement along the movable gap 359, and losing the lifting effect on the flange interface. The flange connector is pushed into the rotating sleeve 43 by enough dragging force when the second connecting rod 353 is lifted, and a locking effect is formed with the rotating sleeve 43 when the flange connector is pushed into the rotating sleeve 43 by enough dragging force, so that the oil suction pipe can be driven to rotate in the motor-pumped well by the flange connector to be loose when the rotating sleeve 43 rotates.
As shown in fig. 3 and 5, a guiding structure 311 is disposed between opposite sides of the two fasteners 31, the guiding structure 311 includes two front and rear guiding posts 312 fixed on one fastener 31, and two front and rear guiding holes 313 opened on the other fastener 31, and the two guiding posts 312 are slidably fitted in the two guiding holes 313.
As shown in fig. 4 and 5, a piece of bearing bush 331 is disposed in the through groove 33 of the two fasteners 31, and planes are disposed on opposite sides of the two bearing bushes 331, so that when the two fasteners 31 are combined, opposite sides of the two bearing bushes 331 can be driven to be combined synchronously, at least two universal ball seats 332 are disposed in the two bearing bushes 331, and all the universal ball seats 332 are annularly arranged on the periphery of the axis of the through groove 33 and are used for being held on an oil pumping pipe by the universal ball seats 332, so that circumferential positioning and guiding are realized when the oil pumping pipe is loosened in a rotating manner.
Two support rods 12 are symmetrically arranged on two side walls of the hanging frame 1, the two support rods 12 and the two hanging rods 2 are arranged in pairs on the same side, a second oil cylinder 6 is connected between the support rods 12 and the hanging rods 2 on the same side, the two hanging rods 2 are movably hinged with the side walls of the hanging frame 1, the second oil cylinder 6 can also supply oil under remote control, and the second oil cylinder 6 can drive the hanging rods 2 to swing when acting, so that an oil pumping pipe extracted from a motor-pumped well is transferred.
A carrier plate 21 is connected between the two suspenders 2, a motor 41 is fixed on the carrier plate 21, a through hole 211 for allowing the transmission rod 42 to penetrate downwards is formed in the carrier plate 21, and a bearing 212 for keeping the transmission rod 42 stably rotates is assembled in the through hole 211.
It should be further noted that, the power output shaft of the motor 41 is in transmission connection with the top end of the transmission rod 42 through a gear or belt transmission manner, and the transmission manner is the prior art, which is not repeated by the inventor. In the present embodiment, only the mounting position of the motor 41 and the positional relationship with the tip end of the transmission rod 42 are briefly described by the distribution pattern shown in fig. 1.
The above orientation is not intended to represent a specific orientation of each component in the present embodiment, but the present embodiment is merely for convenience of description of the embodiments, and is set by referring to the orientation in the drawings, and it is essential that the specific orientation of each component is described in terms of its actual installation and actual use and orientation that are habitual to those skilled in the art, and this is described in detail.
The above-described embodiments are provided to further explain the objects, technical solutions, and advantageous effects of the present invention in detail. It should be understood that the foregoing is only illustrative of the present invention and is not intended to limit the scope of the present invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The full-automatic intelligent hydraulic workover rig is characterized by comprising a hanging bracket (1), hanging rods (2) symmetrically arranged on two sides of the hanging bracket (1), an elevator combination (3) hung at the bottom of the hanging rods (2), and a rotating assembly (4) arranged at the bottom of the hanging bracket (1) and symmetrically arranged between the two hanging rods (2); the bottom ends of the two suspenders (2) are provided with hanging rings (11);
the elevator combination (3) comprises two fasteners (31) capable of opening and closing each other and lifting lugs (32) fixed on the outer sides of the two fasteners (31), the lifting lugs (32) are hung on the lifting rings (11), through grooves (33) which are communicated downwards are formed in opposite sides of the two fasteners (31), the through grooves (33) are round through holes when the two fasteners (31) are combined, auxiliary grooves (34) are formed in the top ends of the through grooves (33) of the two fasteners (31), mutually hinged jacking mechanisms (35) are arranged in the auxiliary grooves (34) at the top ends of the two fasteners (31), and when the opposite surfaces of the two fasteners (31) are combined, the jacking mechanisms (35) are driven to ascend in the through grooves (33), and when the two fasteners (31) are separated reversely, the jacking mechanisms (35) are driven to descend in the through grooves (33); when the two fasteners (31) are combined on the oil pumping pipe, the flange opening at the top end of the oil pumping pipe is limited at the top, when the two fasteners (31) are combined on the periphery of the oil pumping pipe and synchronously ascend, the jacking mechanism (35) can jack the bottom surface of the flange interface, namely, the top ends of the two fasteners (31) jack the bottom surface of the flange interface, and when the flange interface is lifted by dragging, the oil pumping pipe can be driven to ascend for a section of stroke along the inner cavity of the motor-pumped well, so that the oil pumping pipe is loosened in the axial direction of the motor-pumped well;
the rotary component (4) comprises a motor (41) arranged between two suspenders (2) and a transmission rod (42) arranged on a power output shaft of the motor (41), the transmission rod (42) downwards extends to the upper side of the elevator combination (3), a rotating sleeve (43) is fixed at the bottom end of the transmission rod (42), the rotating sleeve (43) is positioned above the axle center of the through groove (33), the rotating sleeve (43) is a circular buckle sleeve with a downward opening, a flange interface at the top end of an oil pumping pipe can be lifted into the rotating sleeve (43) at the bottom end of the transmission rod (42) during lifting action of the jacking mechanism (35), the jacking mechanism (35) simultaneously lifts relative to the bottom end direction of the rotating sleeve (43) during lifting in the through groove (33), and the jacking mechanism (35) comprises a rotating shaft (351) which is switched to the top end of the fastener (31) in the attaching groove (34) and a first connecting rod (351) and a second connecting rod (352) which are respectively switched to the first connecting rod (352) and the second connecting rod (352) which are positioned between the first connecting rod and the second connecting rod (352).
2. The full-automatic intelligent hydraulic workover rig according to claim 1, wherein two sets of jacking mechanisms (35) are provided, and the two sets of jacking mechanisms (35) are symmetrically arranged around the axis of the through groove (33).
3. The fully automatic intelligent hydraulic workover rig according to claim 2, wherein the jacking mechanism (35) further comprises a buffer structure (354), the buffer structure (354) comprises a spring (355), a first baffle plate (356), a second baffle plate (357) and a limit sleeve (358), the limit sleeve (358) is in clearance fit on the rotating shaft (351), the first baffle plate (356) and the second baffle plate (357) are sleeved at the end part of the rotating shaft (351), the first baffle plate (356) is contacted with the inner wall of the attaching groove (34), the second baffle plate (357) is contacted with the first connecting rod (352), the spring (355) is sleeved at the end part of the rotating shaft (351), two ends of the spring (355) are respectively abutted between the opposite faces of the first baffle plate (356) and the second baffle plate (357), so that a movable gap (359) is formed between the first connecting rod (352) and the inner wall surface of the attaching groove (34), and the first connecting rod (352) can move along the first connecting rod (351) in a linear manner when the first connecting rod (352) is further pushed to move along the second connecting rod (351); the rotating shaft (351) is also sleeved with a gasket (350) in rolling contact between the sleeve (358) and the inner wall of the first connecting rod (352).
4. A fully automatic intelligent hydraulic workover rig according to claim 3, wherein a chamfer surface (3521) is formed on the same side of the first connecting rod (352) as the top of one surface of the second baffle plate (357), and a locking plate (341) extending towards the chamfer surface (3521) is welded in the auxiliary groove (34).
5. The full-automatic intelligent hydraulic workover rig according to claim 4, wherein a guiding structure (311) is arranged between opposite faces of two fasteners (31), the guiding structure (311) comprises two front and rear guide posts (312) fixed on one fastener (31), and further comprises two front and rear guide holes (313) formed in the other fastener (31), and the two guide posts (312) are slidably fit in the two guide holes (313).
6. The full-automatic intelligent hydraulic workover rig according to claim 5, wherein a piece of bearing bush (331) is arranged in the through groove (33) of each fastener (31), planes are formed on opposite sides of each bearing bush (331), so that when the two fasteners (31) are combined, opposite surfaces of the two bearing bushes (331) can be driven to be combined synchronously, at least two universal ball seats (332) are respectively arranged in each bearing bush (331), and all the universal ball seats (332) are annularly arrayed on the periphery of an axis of the through groove (33).
7. The full-automatic intelligent hydraulic workover rig according to claim 6, wherein a connecting plate (314) is fixed on the same side outer wall surface of each of the two fasteners (31), and the elevator assembly (3) further comprises a first oil cylinder (5) connected between the two connecting plates (314) and capable of enabling the two fasteners (31) to move relatively or reversely when the action rod stretches and contracts.
8. The full-automatic intelligent hydraulic workover rig according to claim 7, wherein two supporting rods (12) are symmetrically arranged on two side walls of the hanging frame (1), the two supporting rods (12) and the two hanging rods (2) are arranged in pairs on the same side, a second oil cylinder (6) is connected between the supporting rods (12) and the hanging rods (2) on the same side, the two hanging rods (2) are movably hinged with the side walls of the hanging frame (1), a carrier plate (21) is connected between the two hanging rods (2), the motor (41) is fixed on the carrier plate (21), a through hole (211) for enabling the transmission rod (42) to penetrate downwards is formed in the carrier plate (21), and a bearing (212) for keeping the transmission rod (42) to rotate stably is assembled in the through hole (211).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036207.XA CN116752907B (en) | 2023-08-17 | 2023-08-17 | Full-automatic intelligent hydraulic workover rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036207.XA CN116752907B (en) | 2023-08-17 | 2023-08-17 | Full-automatic intelligent hydraulic workover rig |
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| CN116752907A CN116752907A (en) | 2023-09-15 |
| CN116752907B true CN116752907B (en) | 2023-10-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210977337U (en) * | 2019-07-25 | 2020-07-10 | 上海兰石重工机械有限公司 | Automatic workover rig |
| CN111520088A (en) * | 2020-04-22 | 2020-08-11 | 山东瑞奥智能设备股份有限公司 | Vehicle-mounted small workover wellhead operation device and method |
| CN111927343A (en) * | 2020-08-13 | 2020-11-13 | 无锡智瀚能源科技装备与服务有限公司 | Clamping device and sucker rod operation system and workover rig comprising same |
| WO2022143559A1 (en) * | 2020-12-28 | 2022-07-07 | 胜利油田胜机石油装备有限公司 | Automated apparatus for oil field drilling and workover operations |
| CN115822478A (en) * | 2023-02-08 | 2023-03-21 | 胜利油田康贝石油工程装备有限公司 | Hydraulic workover and flushing operation integrated machine and use method thereof |
-
2023
- 2023-08-17 CN CN202311036207.XA patent/CN116752907B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210977337U (en) * | 2019-07-25 | 2020-07-10 | 上海兰石重工机械有限公司 | Automatic workover rig |
| CN111520088A (en) * | 2020-04-22 | 2020-08-11 | 山东瑞奥智能设备股份有限公司 | Vehicle-mounted small workover wellhead operation device and method |
| CN111927343A (en) * | 2020-08-13 | 2020-11-13 | 无锡智瀚能源科技装备与服务有限公司 | Clamping device and sucker rod operation system and workover rig comprising same |
| WO2022143559A1 (en) * | 2020-12-28 | 2022-07-07 | 胜利油田胜机石油装备有限公司 | Automated apparatus for oil field drilling and workover operations |
| CN115822478A (en) * | 2023-02-08 | 2023-03-21 | 胜利油田康贝石油工程装备有限公司 | Hydraulic workover and flushing operation integrated machine and use method thereof |
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|---|---|
| CN116752907A (en) | 2023-09-15 |
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