CN115341863A - Automatic hydraulic tong mechanism - Google Patents
Automatic hydraulic tong mechanism Download PDFInfo
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- CN115341863A CN115341863A CN202210987688.1A CN202210987688A CN115341863A CN 115341863 A CN115341863 A CN 115341863A CN 202210987688 A CN202210987688 A CN 202210987688A CN 115341863 A CN115341863 A CN 115341863A
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- centering
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- hydraulic tong
- oil cylinder
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- 230000007246 mechanism Effects 0.000 title claims abstract description 123
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 230000035939 shock Effects 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
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
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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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses an automatic hydraulic tong mechanism, which comprises: the centering and centering mechanism is arranged to move towards the direction of the pipe column so as to clamp the lower pipe column, and after clamping the lower pipe column, the centering and centering mechanism performs centering treatment on the upper pipe column hoisted right above the lower pipe column so as to complete primary butt joint of the two pipe columns; the automatic hydraulic tong comprises an automatic hydraulic tong main body, wherein the automatic hydraulic tong main body is also arranged to move towards the direction of a pipe column and does not interfere with a centering and centering mechanism, a clamping mechanism used for driving the automatic hydraulic tong main body to clamp the pipe column and a power mechanism used for driving the automatic hydraulic tong main body to rotate and change the steering direction are arranged on the automatic hydraulic tong main body, and the automatic hydraulic tong main body is used for performing screwing-on and unscrewing operation on the two pipe columns. The two pipe columns are concentrically centered by the centering and centering mechanism, so that centering deviation between the two pipe columns is avoided when the two pipe columns are buckled, and the construction efficiency is reduced.
Description
Technical Field
The invention relates to the technical field of oil field well repairing operation equipment. More particularly, the present invention relates to an automatic hydraulic tong mechanism.
Background
When the present workover operation is buckled the tubular column in the pit, it falls to the top that is located intraoral lower tubular column to hoist the top of treating the operation through lifting by crane equipment, carry out preliminary butt joint with lower tubular column after, two tubular columns are got up from festival hoop department screwed connection with automatic hydraulic tong of rethread, nevertheless through lifting by crane equipment with the top tubular column hoist to with the butt joint of lower tubular column, produce the centering deviation between two tubular columns can appear, so that in subsequent operation of buckling, can not successfully buckle, seriously influence the efficiency of construction, the operation of buckling for the tubular column has brought the uncertainty on simultaneously also.
Disclosure of Invention
Still another object of the present invention is to provide an automatic hydraulic tong mechanism, which concentrically centers two pipe columns by a centering and centering mechanism, thereby preventing the two pipe columns from being misaligned during make-up, and reducing the construction efficiency.
To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described, there is provided an automatic hydraulic clamp mechanism, comprising:
the centering and centering mechanism is arranged to move towards the direction of the pipe column so as to clamp the lower pipe column, and after clamping the lower pipe column, the centering and centering mechanism performs centering treatment on the upper pipe column hoisted right above the lower pipe column so as to complete primary butt joint of the two pipe columns;
the automatic hydraulic tong main part, it also sets up to the direction removal towards the tubular column, and not with centering righting mechanism mutual interference, be equipped with the clamping mechanism who is used for driving its centre gripping tubular column in the automatic hydraulic tong main part and be used for driving its rotation and change the power unit that turns to, the automatic hydraulic tong main part is used for going on, breaking out the operation to two tubular columns.
Preferably, the device further comprises a base, a sliding mechanism is arranged on the base, a support assembly is connected with the sliding mechanism in a sliding manner and driven by a vertical oil cylinder to slide along the height direction of the base, and a connecting oil cylinder is arranged on the support assembly and used for driving the support assembly to move towards the direction of the pipe column;
the centering and centering mechanism and the automatic hydraulic tong main body are hinged with the support assembly and move towards the direction of a pipe column under the driving of the support assembly.
Preferably, the base comprises a horizontal part and a vertical part fixedly arranged at the top of the horizontal part; the sliding mechanism comprises two guide rails, the guide rails are vertically fixed on two sides of the vertical portion of the base, rolling wheels are arranged on any one of the guide rails in a sliding mode, the support assembly is connected with the guide rails in a sliding mode through the rolling wheels, and the telescopic end of the vertical oil cylinder is fixedly connected with the horizontal portion.
Preferably, the bracket assembly includes:
the bracket shell is sleeved on the vertical part of the base, the inner side wall of the bracket shell is respectively in rolling connection with the two rollers, and the cylinder body of the vertical oil cylinder is fixedly connected with the bracket shell;
the two connecting shafts are oppositely arranged on two sides of the base, any connecting shaft comprises two connecting rods which are arranged in parallel, and one end of any connecting rod is hinged with the bracket shell;
the two fixing rods are arranged on two sides of the base in a relatively parallel mode, any one fixing rod is hinged to the other end of each connecting rod located on the same side, one end, far away from the base, of each fixing rod is fixedly connected with two outer side walls of the U-shaped frame respectively, the opening of the U-shaped frame faces downwards, and the centering and centering mechanism is hinged to two free ends of the U-shaped frame;
the two connecting oil cylinders are oppositely arranged on two sides of the base, the cylinder body of any connecting oil cylinder is fixedly connected with the outer side wall of the support shell, and the telescopic end is fixedly connected with the connecting rod of the corresponding side far away from the base.
Preferably, the cradle assembly further comprises:
the suspension beam is horizontally arranged above the U-shaped frame along the length direction of the U-shaped frame;
the two pin shafts are oppositely arranged on the suspension beam, one end of any one pin shaft penetrates through the top end of the suspension beam and is arranged on the suspension beam through a bolt, and the other end of the pin shaft penetrates through the bottom end of the U-shaped frame and is hinged with the automatic hydraulic clamp main body;
and the two springs are respectively sleeved on the two pin shafts, and any one spring is positioned between the suspension beam and the U-shaped frame.
Preferably, the centering and centering mechanism includes:
one end of each of the two centering tile supports is hinged with the two free ends of the U-shaped frame, the other end of each of the two centering tile supports is fixedly connected with the cylinder body of each of the two centering tile oil cylinders, and the centering tile supports are perpendicular to the corresponding centering tile oil cylinders;
the two centering tiles are symmetrically arranged, the outer side walls of the two centering tiles are respectively and fixedly connected with the telescopic ends of the two centering tile oil cylinders, any one of the centering tiles comprises a vertically arranged semi-cylindrical part and a semi-circular table part fixedly arranged at the top of the semi-cylindrical part, the semi-cylindrical part and the semi-circular table part are coaxially arranged, the semi-circular table part is of an internal hollow structure, and the two centering tiles clamp the lower pipe column under the driving of the corresponding centering tile oil cylinders.
Preferably, the centering and centering mechanism further comprises two limiting mechanisms which are respectively arranged on the two centering tile oil cylinders, each limiting mechanism comprises two telescopic rods which are arranged at intervals along the height direction of the base, one end of each telescopic rod is fixedly connected with the outer side wall of the cylindrical portion of the adjacent centering tile, the other end of each telescopic rod is fixedly connected with the cylinder body of the adjacent centering tile oil cylinder, and the centering tile oil cylinders are located between the two telescopic rods.
Preferably, a torque monitor is arranged at the joint of the automatic hydraulic clamp main body and the pin shaft, is electrically connected with the power mechanism, and is used for monitoring the torque value of the automatic hydraulic clamp main body when rotating relative to the support assembly.
Preferably, the connecting oil cylinder and the centering shoe oil cylinder are respectively provided with an oil cylinder stroke sensor which is respectively used for monitoring the extension value and the retraction value of an oil cylinder rod on the connecting oil cylinder and the centering shoe oil cylinder.
Preferably, the automatic hydraulic tong further comprises an automatic control system which is electrically connected with the automatic hydraulic tong main body, the clamping mechanism, the power mechanism, the connecting oil cylinder and the oil cylinder stroke sensor on the centering tile oil cylinder to realize data transmission, and the automatic control system comprises:
the storage unit is used for storing an initial set value and an extension set value of a cylinder rod on the connecting cylinder and the centering tile cylinder;
the receiving unit is used for receiving data monitored by the oil cylinder stroke sensors on the connecting oil cylinder and the centering tile oil cylinder;
the execution unit acquires data monitored by oil cylinder stroke sensors on the connecting oil cylinder and the centering tile oil cylinder to control the running states of the connecting oil cylinder and the centering tile oil cylinder, drives the automatic hydraulic clamp main body to clamp a pipe column through the clamping mechanism, and drives the automatic hydraulic clamp main body to rotate through the power mechanism and control the rotating direction of the automatic hydraulic clamp main body;
the storage unit, the receiving unit and the execution unit mutually transmit information.
The invention at least comprises the following beneficial effects:
1. when the pipe columns are buckled, the centering and centering mechanism assists the two pipe columns to concentrically center, so that centering deviation between the two pipe columns is avoided when the pipe columns are buckled, and the construction efficiency is reduced;
2. according to the automatic hydraulic tong, the connecting oil cylinder drives the support assembly to drive the automatic hydraulic tong main body to move towards the direction of the pipe column, so that when the automatic hydraulic tong main body is used for loading, unloading and buckling the pipe column, a specially-assigned person is not required to directly operate the hydraulic tong, and the safety coefficient of workers is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic top view of an automatic hydraulic tong mechanism according to an embodiment of the present invention;
FIG. 2 is a front view of the automatic hydraulic tong mechanism in the above embodiment;
FIG. 3 is a schematic side view of the automatic hydraulic tong mechanism in the above embodiment;
the specification reference numbers indicate:
1. the automatic hydraulic clamp comprises a base, 101, a horizontal part, 102, a vertical part, 2, a support assembly, 201, a support shell, 202, a connecting rod, 203, a fixing rod, 204, a U-shaped frame, 205, a suspension beam, 206, a pin shaft, 207, a spring, 3, a vertical oil cylinder, 4, a connecting oil cylinder, 5, a centering and centering mechanism, 501, a centering tile support, 502, a centering tile oil cylinder, 503, a centering tile, 504, a telescopic rod, 6, an automatic hydraulic clamp main body, 601, a clamping main clamp, 602, a clamp body shell, 7, a sliding mechanism, 701 and a guide rail.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It should be noted that in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides an automatic hydraulic clamp mechanism, comprising:
the centering and centering mechanism 5 is arranged to move towards the direction of the pipe column so as to clamp the lower pipe column, and after clamping the lower pipe column, the centering and centering mechanism 5 performs centering treatment on the upper pipe column hoisted right above the lower pipe column so as to complete primary butt joint of the two pipe columns;
the automatic hydraulic tong body 6 is also arranged to move towards the direction of the pipe column and does not interfere with the centering and centering mechanism 5, a clamping mechanism for driving the automatic hydraulic tong body 6 to clamp the pipe column and a power mechanism for driving the automatic hydraulic tong body to rotate and change the steering are arranged on the automatic hydraulic tong body 6, and the automatic hydraulic tong body is used for performing screwing-on and unscrewing operation on the two pipe columns;
the device is characterized by further comprising a base 1, wherein a sliding mechanism 7 is arranged on the base 1, a support assembly 2 is connected with the sliding mechanism 7 in a sliding mode and slides along the height direction of the base 1 under the driving of a vertical oil cylinder 3, and a connecting oil cylinder 4 is further arranged on the support assembly 2 and used for driving the support assembly 2 to move towards the direction of a pipe column;
the centering and centering mechanism 5 and the automatic hydraulic tong main body 6 are hinged to the support assembly 2 and driven by the support assembly 2 to move towards the direction of a pipe column.
The automatic hydraulic clamp main body 6 comprises a clamp body shell 602, a clamping main clamp 601 and a clamping back clamp, wherein the clamping main clamp 601 is rotationally connected with the clamp body shell 602 and realizes positive and negative rotation under the driving of a power mechanism, and the power mechanism is a motor; the automatic hydraulic tong comprises a tong body shell 602, a main tong 601, a main tong mechanism, a vertical oil cylinder 3, a support assembly 2, a connecting oil cylinder 4, a hydraulic tong body 6, a hydraulic tong mechanism and a hydraulic tong, wherein the main tong 601 and the back tong mechanism are connected through a telescopic component, so that a certain floating amount is formed between the main tong 601 and the back tong mechanism, the clamping mechanism is used for driving the main tong 601 and the back tong mechanism to synchronously clamp two pipe columns, the structure of the automatic hydraulic tong body 6 is the same as that of an XQ89/3YC type hydraulic power tong, in the technical scheme, when in construction, a base 1 is fixed on a construction platform, the vertical oil cylinder 3 is used for driving the support assembly 2 to move up and down along the height direction of the base 1 on a sliding mechanism 7 so as to control the height position of the support assembly 2, then the connecting oil cylinder 4 is used for driving the support assembly 2 to move towards the direction of the pipe columns so as to control the positions of the automatic hydraulic tong body 6 and the centering mechanism 5, and further conveniently adjust the actual positions of the automatic hydraulic tong body 6 and the centering mechanism 5 according to the actual positions of the pipe columns, after the positions of the automatic hydraulic tong main body 6 and the centering and centering mechanism 5 are adjusted, the operation of screwing and unscrewing is carried out, when screwing is carried out, firstly, the centering and centering mechanism 5 is utilized to clamp and hold an upper tubular column in a well mouth, the upper tubular column needing screwing is hoisted to the position above the centering and centering mechanism 5 through hoisting equipment to fall down, so as to carry out centering treatment on the centers of two tubular columns and complete the primary butt joint of the two tubular columns, so as to avoid the centering deviation caused by directly using a hoisting device to carry out centering treatment on the two tubular columns, thereby influencing the construction efficiency, after the butt joint is completed, the centering and centering mechanism 5 is driven to loosen the lower tubular column, a worker moves the centering and centering mechanism 5 to the position which does not hinder the subsequent operation, the centering and centering mechanism 5 is hinged with the support assembly 2, so that the worker can conveniently adjust the position of the centering and centering mechanism relative to the support assembly 2, then, the automatic hydraulic tong main body 6 is utilized to carry out the screwing operation on the two pipe columns, and the operation is specifically represented as follows: the automatic hydraulic tong main body is moved to the position that two pipe columns are respectively positioned at the clamping jaws of the clamping main tong 601 and the clamping back-up tong, the clamping mechanism is driven to enable the clamping back-up tong to clamp a lower pipe column, the clamping main tong 601 clamps an upper pipe column, the clamping actions of the clamping back-up tong and the clamping main tong 601 are synchronously performed, and then the power mechanism drives the clamping main tong 601 to drive the upper pipe column to be in spiral connection with the lower pipe column so as to realize the upper buckling operation of the pipe column; during the break out, centering righting mechanism 5 is out of work, it presss from both sides tight lower tubular column to press from both sides tight back tong, it presss from both sides tight main tong 601 and presss from both sides tight tubular column, it drives the upper tubular column rotation in order to realize the operation of break out to the tubular column to press from both sides tight main tong 601 under power unit's drive to press from both sides tight main tong 601, at last, the in-process of break out, through the corotation and the reversal of power unit control clamp tight main tong 601, and then accomplish the make-up and the break out of tubular column, this process automation degree is high, need not special person's direct operation hydraulic tong, the factor of safety of the workman has been improved.
In another technical solution, the base 1 includes a horizontal portion 101 and a vertical portion 102 fixedly disposed at the top thereof; the sliding mechanism 7 comprises two guide rails 701, the relative vertical fixing of which is arranged on two sides of the vertical part 102 of the base 1, a roller is arranged on any one of the guide rails 701 in a sliding manner, the bracket assembly 2 is connected with the guide rails 701 in a sliding manner, and the telescopic end of the vertical oil cylinder 3 is fixedly connected with the horizontal part 101.
In the technical scheme, bolt holes can be formed in the periphery of the horizontal part 101, and the base 1 is arranged on a construction platform in a bolt connection mode, so that the base 1 can be conveniently mounted and dismounted; the height position of the support assembly 2 is adjusted in a mode that the vertical oil cylinder 3 drives the support assembly 2 to slide on the guide rail 701, and the rollers arranged between the support assembly 2 and the guide rail 701 can ensure that the support assembly 2 and the guide rail 701 slide smoothly.
In another embodiment, the support assembly 2 includes:
the bracket shell 201 is sleeved on the vertical part 102 of the base 1, the inner side wall of the bracket shell 201 is respectively connected with the two rollers in a rolling manner, and the cylinder body of the vertical oil cylinder 3 is fixedly connected with the bracket shell 201;
the two connecting shafts are oppositely arranged on two sides of the base 1, any connecting shaft comprises two connecting rods 202 arranged in parallel, and one end of any connecting rod 202 is hinged with the bracket shell 201;
the two fixing rods 203 are arranged on two sides of the base 1 in a relatively parallel manner, any one fixing rod 203 is hinged to the other ends of the two connecting rods 202 positioned on the same side, one ends, far away from the base 1, of the two fixing rods 203 are fixedly connected with two outer side walls of a U-shaped frame 204 respectively, the opening of the U-shaped frame 204 faces downwards, and the centering and centering mechanism 5 is hinged to two free ends of the U-shaped frame 204;
two connecting oil cylinders 4 are arranged, the two connecting oil cylinders are oppositely arranged on two sides of the base 1, a cylinder body of any connecting oil cylinder 4 is fixedly connected with the outer side wall of the support shell 201, and a telescopic end is fixedly connected with the connecting rod 202 of which the corresponding side is far away from the base 1.
In the technical scheme, a bracket shell 201 is a framework of a bracket assembly 2 and is used for connecting other structures, and the bracket shell 201 is driven by a vertical oil cylinder 3 to be in sliding connection with a base 1 through a roller; the bracket shell 201 is connected with a U-shaped frame 204 through a connecting rod 202 and a fixing rod 203, and the U-shaped frame 204 is connected with the automatic hydraulic clamp main body 6 and the centering and centering mechanism 5, so that the bracket assembly 2 is connected with the automatic hydraulic clamp main body 6 and the centering and centering mechanism 5; the connecting oil cylinder 4 is hinged to the support shell 201 and the connecting rod 202, when an oil cylinder rod of the connecting oil cylinder 4 is driven to stretch, the connecting rod 202 hinged to the connecting oil cylinder rod can be driven to move, so that the automatic hydraulic clamp main body 6 and the centering and centering mechanism 5 which are connected with the connecting rod 202 through the fixing rod 203 and the U-shaped frame 204 are driven to move, the positions of the automatic hydraulic clamp main body 6 and the centering and centering mechanism 5 are finally adjusted, a specially-assigned person is not needed to directly operate the automatic hydraulic clamp main body 6 in the adjusting process, and the safety factor of workers is improved.
In another technical solution, the support assembly 2 further includes:
a suspension beam 205 horizontally disposed above the U-shaped frame 204 in a longitudinal direction of the U-shaped frame 204;
two pin shafts 206, which are oppositely arranged on the suspension beam 205, wherein one end of any one pin shaft 206 penetrates through the top end of the suspension beam 205 and is arranged on the suspension beam 205 through a bolt, and the other end penetrates through the bottom end of the U-shaped frame 204 and is hinged with the automatic hydraulic clamp main body 6;
two springs 207 respectively sleeved on the two pin shafts 206, wherein any one spring 207 is located between the suspension beam 205 and the U-shaped frame 204.
In the technical scheme, a clamp body shell 602 of an automatic hydraulic clamp main body 6 is hinged with a U-shaped frame 204 through a suspension beam 205 and a pin shaft 206, a clamping back-up clamp locks a lower tubular column during screwing-in and unscrewing, the clamping main clamp 601 tightly holds the upper tubular column and drives the upper tubular column to rotate along with screwing-in, the clamping back-up clamp moves upwards along with the lower tubular column during screwing-out, the clamping back-up clamp moves downwards along with the lower tubular column during screwing-out, in the screwing-in and unscrewing process, after the two tubular columns are relatively screwed into a certain screw pitch, the distance between the clamping main clamp 601 and the clamping back-up clamp changes, a certain inclination angle possibly exists between the tubular column and a well head horizontal plane, at the moment, the clamp body shell 602 of the automatic hydraulic clamp also inclines at a certain angle, the clamp body shell 602 is hinged with the U-shaped frame 204 through the pin shaft 206, when the clamp body shell 602 inclines, the pin shaft 206 cannot obstruct the inclination of the clamp body shell 206, and the clamp body shell 602 drives the suspension beam 205 to compress a spring 207 when the clamp body shell 602 inclines, and the spring 207 plays a role of reducing impact and shock absorption.
In another solution, the centering and centering mechanism 5 includes:
one end of each of the two centering tile brackets 501 is hinged with the two free ends of the U-shaped frame 204, the other end of each of the two centering tile brackets 501 is fixedly connected with the cylinder bodies of the two centering tile oil cylinders 502, and the centering tile brackets 501 are perpendicular to the corresponding centering tile oil cylinders 502;
the two centering tiles 503 are symmetrically arranged, the outer side walls of the two centering tiles are respectively and fixedly connected with the telescopic ends of the two centering tile oil cylinders 502, any one of the centering tiles 503 comprises a vertically arranged semi-cylindrical part and a semi-circular table part fixedly arranged at the top of the semi-cylindrical part, the semi-cylindrical part and the semi-circular table part are coaxially arranged, the semi-circular table part is of an internal hollow structure, and the two centering tiles 503 clamp the lower pipe column under the driving of the corresponding centering tile oil cylinders 502;
the centering and centering mechanism 5 further comprises two limiting mechanisms which are respectively arranged on the two centering tile oil cylinders 502, each limiting mechanism comprises two telescopic rods 504 which are arranged along the height direction of the base 1 at intervals, one end of each telescopic rod 504 is fixedly connected with the outer side wall of the cylindrical part of the adjacent centering tile, the other end of each telescopic rod 504 is fixedly connected with the cylinder body of the adjacent centering tile oil cylinder 502, and the centering tile oil cylinders 502 are located between the two telescopic rods 504.
In the technical scheme, any one centering tile is composed of a semi-cylindrical part and a semi-circular table part, the two centering tiles are symmetrically arranged, a centering tile oil cylinder 502 is arranged between each centering tile and the corresponding centering tile support 501, and the two centering tile oil cylinders 502 are utilized to jointly adjust the distance between the two centering tiles, so that the two centering tiles can clamp a lower pipe column in the process of screwing up, and the lower pipe column can be clamped and clasped; after the pipe columns are clamped and tightly held, the two semicircular parts on the centering tile form a bell mouth shape, so that when the two pipe columns are centered and the pipe column positioned above falls down from the upper part of the centering tile, even if a certain deviation exists, the pipe columns can be centered with another pipe column in the cylinder under the guiding action of the edge of the bell mouth, and the centering accuracy of the pipe columns is ensured; the telescopic link 504 is used for spacing the centering tile, prevents at the in-process of centre gripping tubular column that the centering tile takes place to twist reverse to influence the accuracy and the efficiency of construction of centre gripping.
In another technical scheme, a torque monitor is arranged at the joint of the automatic hydraulic clamp main body 6 and the pin shaft 206, is electrically connected with the power mechanism, and is used for monitoring a torque value of the automatic hydraulic clamp main body 6 when rotating relative to the bracket assembly 2.
In the technical scheme, in the process of make-up and make-out, in order to protect the pipe column, make-up and make-out are generally carried out according to parameters in a torque meter on the pipe column, and the torque monitor is used for monitoring the rotating pressure value of the motor driving gear in the process of make-up and make-out and then converting the rotating pressure value into the rotating torque value of the clamping main clamp 601 relative to the support assembly 2 so as to prevent the torque from exceeding the standard range in the process of make-up and make-out and further damage the pipe column.
In another technical scheme, cylinder stroke sensors are respectively arranged on the connecting cylinder 4 and the centering shoe cylinder 502 and are respectively used for monitoring the extension value and the retraction value of cylinder rods on the connecting cylinder 4 and the centering shoe cylinder 502;
still include automatic control system, it with automatic hydraulic tong main part 6, clamping mechanism, power unit, connect the hydro-cylinder 4 and the hydro-cylinder stroke sensor electricity on the centering tile hydro-cylinder 502 is connected in order to realize data transmission, automatic control system includes:
a storage unit for storing an initial set value and an extension set value of a cylinder rod on the connecting cylinder 4 and the centering shoe cylinder 502;
the receiving unit is used for receiving data monitored by cylinder stroke sensors on the connecting cylinder 4 and the centering tile cylinder 502;
the execution unit acquires data monitored by cylinder stroke sensors on the connecting cylinder 4 and the centering tile cylinder 502 to control the running states of the connecting cylinder 4 and the centering tile cylinder 502, drives the automatic hydraulic clamp main body 6 to clamp a pipe column through the clamping mechanism, and drives the automatic hydraulic clamp main body 6 to rotate through a power mechanism and control the rotating direction of the automatic hydraulic clamp main body 6;
the storage unit, the receiving unit and the execution unit mutually transmit information.
In this technical scheme, when buckling, need adjust whole mechanism to the ready state: at the moment, the support assembly 2 drives the centering centralizer mechanism to move to a proper position under the driving of the vertical oil cylinder 3 and the connecting oil cylinder 4, when a worker stretches the centering tile support 501 to be in a horizontal state at the position, two centering tiles can just clamp a lower pipe column, after the proper position is adjusted, the centering tile support 501 is retracted, the two centering tiles are in a mutual fit state, data displayed by an oil cylinder stroke sensor on the connecting oil cylinder 4 at the moment are recorded and stored in a storage unit as an initial set value, then the centering tile oil cylinder 502 is driven to open the two centering tiles, the opening range is slightly larger than the diameter of the lower pipe column, data monitored by an oil cylinder stroke sensor on the centering tile oil cylinder 502 at the moment are recorded and stored in the storage unit as an initial set value; then, the whole mechanism is subjected to make-up trial operation, firstly, the centering tile oil cylinder 502 is driven to enable the two centering tiles to be mutually opened to an initial set value, a worker stretches the centering and centering mechanism 5 until a lower pipe column is positioned between the two centering tiles, the centering tile oil cylinder 502 is driven to drive the two centering tiles to be mutually matched and clamp the lower pipe column, data monitored by an oil cylinder stroke sensor on the centering tile oil cylinder 502 at the moment is recorded as an extension set value, after the upper pipe column is hoisted to be centered with the lower pipe column through hoisting equipment, the centering tile oil cylinder 502 is driven to drive the two centering tiles to be mutually separated to the initial set value, the worker manually moves the centering tiles to a position where subsequent operation is not interfered, then the connecting oil cylinder 4 is driven to drive the automatic hydraulic clamp main body 6 to move to the two pipe columns to be respectively positioned in clamping main clamp ports 601 and clamp back-ups, the clamping mechanism is driven to enable the clamping main clamp 601 and the clamp back-ups to synchronously clamp the two pipe columns, data displayed by the stroke sensor on the connecting oil cylinder 4 are recorded and stored in a storage unit as the extension set value, then the whole mechanism is restored to a preparation state, and make-up operation on the pipe columns is started;
when a pipe column is buckled, two centering shoes are in a mutually-jointed state, an execution unit firstly drives a cylinder rod of a centering shoe oil cylinder 502 to extend, when an initial set value is reached, the execution unit controls the centering shoe oil cylinder 502 to stop extending, a worker moves the centering shoes to a lower pipe column, then an instruction is given to the execution unit to enable the execution unit to drive the cylinder rod of the centering shoe oil cylinder 502 to continue extending, when the extension set value is reached, the execution unit controls the execution unit to stop working, at the moment, the two centering shoes are in a state of clamping a lower pipe column, after a hoisting device hoists the upper pipe column and performs centering treatment on the lower pipe column of a centering mechanism 5, the execution unit drives the cylinder rod of the centering shoe oil cylinder 502 to retract to the initial set value so as to release the lower pipe column, the worker moves the centering shoes to a position where subsequent buckling operation is not interfered, drives an oil cylinder rod connected with an oil cylinder 4 to extend to the extension set value, and immediately drives a clamping mechanism to control an automatic hydraulic clamp main clamp body 6 to clamp the two pipe columns synchronously, then drives a power mechanism to work so as to realize buckling operation, and then to enter a primary buckling state;
before the shackling, the whole mechanism is also in a preparation state, at the moment, the connecting oil cylinder 4 extends to an initial set value, the centering and centering mechanism 5 does not work, when the shackling is carried out, the execution unit controls the connecting oil cylinder 4 to extend to the extension set value and controls the clamping mechanism to enable the automatic hydraulic clamp main body 6 to clamp two tubular columns of the main clamp 601 and the clamping back-up clamp to clamp a column, the execution unit drives the clamping main clamp 601 to rotate through the power mechanism to achieve shackling operation, after the shackling is completed, the execution unit controls the whole mechanism to retract to the preparation state to wait for next shackling operation, in the process of shackling and shackling, a special person is not needed to operate the automatic hydraulic clamp main body 6, the safety coefficient of work is improved, and after each time of shackling and shackling is completed, the jaws of the clamp main clamp and the clamp back-up clamp need to be adjusted to be over against the tubular columns so as to clamp the tubular columns.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. An automatic hydraulic tong mechanism, comprising:
the centering and centering mechanism is arranged to move towards the direction of the pipe column so as to clamp the lower pipe column, and after clamping the lower pipe column, the centering and centering mechanism performs centering treatment on the upper pipe column hoisted right above the lower pipe column so as to complete primary butt joint of the two pipe columns;
the automatic hydraulic tong main part, it also sets up to the direction removal towards the tubular column, and not with centering righting mechanism mutual interference, be equipped with the clamping mechanism who is used for driving its centre gripping tubular column in the automatic hydraulic tong main part and be used for driving its rotation and change the power unit that turns to, the automatic hydraulic tong main part is used for going on, breaking out the operation to two tubular columns.
2. The automatic hydraulic tong mechanism as claimed in claim 1, further comprising a base, on which a skid mechanism is provided, and a support assembly slidably connected to the skid mechanism and driven by a vertical cylinder to slide along the height direction of the base, and a connection cylinder provided on the support assembly for driving the support assembly to move towards the pipe string;
the centering and centering mechanism and the automatic hydraulic tong main body are hinged with the support assembly and move towards the direction of a pipe column under the driving of the support assembly.
3. The automatic hydraulic tong mechanism of claim 2, wherein the base includes a horizontal portion and a vertical portion fixedly disposed at a top portion thereof; the sliding mechanism comprises two guide rails, the guide rails are vertically fixed on two sides of the vertical portion of the base, rolling wheels are arranged on any one of the guide rails in a sliding mode, the support assembly is connected with the guide rails in a sliding mode through the rolling wheels, and the telescopic end of the vertical oil cylinder is fixedly connected with the horizontal portion.
4. The automatic hydraulic tong mechanism of claim 3, wherein the carriage assembly comprises:
the bracket shell is sleeved on the vertical part of the base, the inner side wall of the bracket shell is respectively in rolling connection with the two rollers, and the cylinder body of the vertical oil cylinder is fixedly connected with the bracket shell;
the two connecting shafts are oppositely arranged on two sides of the base, any connecting shaft comprises two connecting rods which are arranged in parallel, and one end of any connecting rod is hinged with the bracket shell;
the two fixing rods are arranged on two sides of the base in a relatively parallel manner, any fixing rod is hinged with the other ends of the two connecting rods positioned on the same side, one ends of the two fixing rods far away from the base are respectively and fixedly connected with two outer side walls of the U-shaped frame, the U-shaped frame is downward in opening, and the centering and centering mechanism is hinged with two free ends of the U-shaped frame;
the two connecting oil cylinders are oppositely arranged on two sides of the base, the cylinder body of any connecting oil cylinder is fixedly connected with the outer side wall of the support shell, and the telescopic end is fixedly connected with the connecting rod of the corresponding side far away from the base.
5. The automatic hydraulic tong mechanism of claim 4, the carriage assembly further comprising:
the suspension beam is horizontally arranged above the U-shaped frame along the length direction of the U-shaped frame;
the two pin shafts are oppositely arranged on the suspension beam, one end of any one pin shaft penetrates through the top end of the suspension beam and is arranged on the suspension beam through a bolt, and the other end of the pin shaft penetrates through the bottom end of the U-shaped frame and is hinged with the automatic hydraulic clamp main body;
and the two springs are respectively sleeved on the two pin shafts, and any one spring is positioned between the suspension beam and the U-shaped frame.
6. The automatic hydraulic tong mechanism of claim 4, wherein the centering and centering mechanism comprises:
one end of each of the two centering tile supports is hinged with the two free ends of the U-shaped frame, the other end of each of the two centering tile supports is fixedly connected with the cylinder body of each of the two centering tile oil cylinders, and the centering tile supports are perpendicular to the corresponding centering tile oil cylinders;
the two centering tiles are symmetrically arranged, the outer side walls of the two centering tiles are respectively fixedly connected with the telescopic ends of the two centering tile oil cylinders, any one of the centering tiles comprises a vertically arranged semi-cylindrical part and a semi-circular table part fixedly arranged at the top of the centering tile, the semi-cylindrical part and the semi-circular table part are coaxially arranged, the semi-circular table part is of an internal hollow structure, and the two centering tiles clamp a lower pipe column under the driving of the corresponding centering tile oil cylinders.
7. The automatic hydraulic tong mechanism as recited in claim 6, wherein the centering and righting mechanism further comprises two position-limiting mechanisms respectively disposed on the two centering shoe cylinders, each position-limiting mechanism comprising two telescopic rods spaced apart along the height direction of the base, one end of each telescopic rod being fixedly connected to the outer sidewall of the cylindrical portion of the adjacent centering shoe, the other end of each telescopic rod being fixedly connected to the cylinder body of the adjacent centering shoe cylinder, and the centering shoe cylinder being disposed between the two telescopic rods.
8. The automatic hydraulic tong mechanism as recited in claim 5, wherein a torque monitor is provided at the junction of the automatic hydraulic tong body and the pin, and is electrically connected to the power mechanism for monitoring the torque value of the automatic hydraulic tong body when rotating relative to the stand assembly.
9. An automatic hydraulic tong mechanism as defined in claim 6, wherein the connecting cylinder and the centering shoe cylinder are each provided with a cylinder stroke sensor for monitoring the extension and retraction of the cylinder rod on the connecting cylinder and the centering shoe cylinder, respectively.
10. The automatic hydraulic tong mechanism of claim 9, further comprising an automatic control system electrically connected to the automatic hydraulic tong body, the clamping mechanism, the power mechanism, the connecting cylinder, and the cylinder travel sensors on the centering shoe cylinders for data transmission, the automatic control system comprising:
the storage unit is used for storing an initial set value and an extension set value of a cylinder rod on the connecting cylinder and the centering shoe cylinder;
the receiving unit is used for receiving data monitored by the oil cylinder stroke sensors on the connecting oil cylinder and the centering tile oil cylinder;
the execution unit acquires data monitored by oil cylinder stroke sensors on the connecting oil cylinder and the centering tile oil cylinder to control the running states of the connecting oil cylinder and the centering tile oil cylinder, drives the automatic hydraulic clamp main body to clamp a pipe column through the clamping mechanism, and drives the automatic hydraulic clamp main body to rotate through the power mechanism and control the rotating direction of the automatic hydraulic clamp main body;
the storage unit, the receiving unit and the execution unit mutually transmit information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210987688.1A CN115341863A (en) | 2022-08-17 | 2022-08-17 | Automatic hydraulic tong mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210987688.1A CN115341863A (en) | 2022-08-17 | 2022-08-17 | Automatic hydraulic tong mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN115341863A true CN115341863A (en) | 2022-11-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210987688.1A Pending CN115341863A (en) | 2022-08-17 | 2022-08-17 | Automatic hydraulic tong mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN115341863A (en) |
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| CN214836196U (en) * | 2021-01-25 | 2021-11-23 | 杨若森 | Oil pipe centering device under workover treatment |
| CN216240490U (en) * | 2021-12-07 | 2022-04-08 | 山东瑞奥智能设备股份有限公司 | Novel oil minor repair work platform device |
| CN216240497U (en) * | 2022-03-02 | 2022-04-08 | 山东胜工检测技术有限公司 | Full-automatic hydraulic tongs |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156045A (en) * | 2015-10-22 | 2015-12-16 | 苏浩 | Automatic hydraulic tong operating device |
| CN212406626U (en) * | 2020-01-22 | 2021-01-26 | 连云港黄海勘探技术有限公司 | Look for hydraulic pressure of pipe and break out device |
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