CN113914794B - Automatic screwing-on and unscrewing device for oil pumping rod for oil field - Google Patents
Automatic screwing-on and unscrewing device for oil pumping rod for oil field Download PDFInfo
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- CN113914794B CN113914794B CN202111532706.9A CN202111532706A CN113914794B CN 113914794 B CN113914794 B CN 113914794B CN 202111532706 A CN202111532706 A CN 202111532706A CN 113914794 B CN113914794 B CN 113914794B
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- 238000005086 pumping Methods 0.000 title claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims description 11
- 230000003044 adaptive effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 239000000969 carrier Substances 0.000 claims description 3
- 210000000080 chela (arthropods) Anatomy 0.000 claims 2
- 230000015556 catabolic process Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 abstract description 22
- 238000005859 coupling reaction Methods 0.000 abstract description 22
- 230000008878 coupling Effects 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 7
- 239000003129 oil well Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/164—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/165—Control or monitoring arrangements therefor
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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
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Abstract
The invention relates to the field of oil field well repairing operation equipment, in particular to an automatic screwing-on and unscrewing device for an oil pumping rod for an oil field. The technical problem to be solved is as follows: the existing upper shackle tools are multiple and discrete, manual hand tools are needed for assisting in disassembly, the efficiency is extremely low, and the problem of micro-deflection when the sucker rod is shackle is difficult to solve. The technical implementation scheme of the invention is as follows: an automatic screwing-on and unscrewing device of an oil pumping rod for an oil field comprises a guide mounting plate and a working bottom plate; the opposite sides of the two guide mounting plates are connected with a working bottom plate. The invention abandons the operation mode of mutual matching between workers, integrates the shackle tools, completes the upper shackle between the sucker rods in full automation, disassembles the sucker rod above the coupling in the shackle process, does not influence the connection between the coupling and the sucker rod below, avoids loosening, corrects the sucker rod which is subjected to the upper shackle, enhances the assembly effect between the sucker rod and the coupling, improves the use safety of the sucker rod, and greatly improves the working efficiency when the oil well is overhauled.
Description
Technical Field
The invention relates to the field of oil field well repairing operation equipment, in particular to an automatic screwing-on and unscrewing device for an oil pumping rod for an oil field.
Background
The oil field workover needs to take out the sucker rod in the well and transfer, but utilize the coupling to connect between the oil pumping pipe, the break-out needs two operators to cooperate each other on the sucker rod, the break-out instrument is comparatively discrete on current supplementary, can't construct one set of equipment location to the workover platform with the break-out instrument, need the operator to change the instrument constantly and just can accomplish the break-out, and the sucker rod takes place slight incline and just is difficult to easily pull down the sucker rod, the problem of sucker rod incline is not respected to current equipment simultaneously, bring huge puzzlement for operator dismantlement and installation, and need spend a large amount of operating time, the operator can't keep good state for a long time, single operation easily makes the operator tired, influence the precision and the accuracy of making out, the incident takes place easily.
To the problem, an automatic screwing-on and unscrewing device for the sucker rod for the oil field is provided.
Disclosure of Invention
The invention provides an automatic oil pumping rod screwing-in and unscrewing device for an oil field, aiming at overcoming the defects that the existing screwing-in and unscrewing tools are multiple and discrete, manual handheld tools are needed for assisting in disassembling, the efficiency is extremely low, and the micro-deflection of an oil pumping rod during screwing-out is difficult to solve.
The technical implementation scheme of the invention is as follows: an automatic screwing-on and unscrewing device for an oil field sucker rod comprises a guide mounting plate, a working bottom plate, a second support frame, a clamping knob system, a position correcting system and an adaptive clamping system; the opposite sides of the two guide mounting plates are connected with a working bottom plate; the upper surface of the working bottom plate is connected with a second supporting frame; the upper surface of the second support frame is connected with a clamping knob system which is used for clamping the sucker rod and driving the sucker rod to rotate; the upper part of the clamping knob system is connected with a righting system used for righting the offset sucker rod to the axis position; the left part of the upper surface of the second support frame is connected with an adaptive clamping system for adaptively clamping the clamping part of the sucker rod.
According to a further technical scheme, the left part of the working bottom plate is provided with a U-shaped groove.
According to a further technical scheme, the clamping knob system comprises a first supporting plate, a first electric telescopic part, a third supporting plate, a supporting slide block, a first straight slide rail, a second supporting plate, a second electric telescopic part, first arc-shaped pliers, an arc-shaped slide rail, a toothed ring, a first fixing plate, a third electric telescopic part, second arc-shaped pliers, a third supporting plate, a motor and a gear; the upper surface of the second support frame is fixedly connected with two symmetrical and parallel first support plates; each bolt of the two first supporting plates is connected with a first electric telescopic piece; the two first electric telescopic parts are fixedly connected with a third support frame; the bottom of the third support frame is welded with two symmetrical support sliding blocks; two first straight slide rails are fixedly connected to the upper surface of the second support frame and are arranged between the two first support plates in parallel; the two first straight slide rails are respectively connected with a supporting slide block in a sliding manner; two symmetrical second supporting plates are welded on the opposite surface of the third supporting frame; each bolt of the two second supporting plates is connected with a second electric telescopic piece; the two second electric telescopic parts are respectively fixedly connected with a first arc-shaped clamp; an arc-shaped sliding rail is fixedly connected to the upper surface of the third supporting frame; a toothed ring is rotationally connected in the arc-shaped slide rail; the inner surface of the gear ring is fixedly connected with a first fixing plate; two third symmetrical electric telescopic parts are fixedly connected to the first fixing plate; the two third electric telescopic parts are respectively fixedly connected with a second arc-shaped clamp; a third supporting plate is welded on the upper surface of the arc-shaped sliding rail; the upper surface of the third supporting plate is fixedly connected with a motor; a flat gear is fixedly connected with an output shaft of the motor; the flat gear is meshed with the gear ring.
According to a further technical scheme, the inner surfaces of the two first arc-shaped pliers and the two second arc-shaped pliers are welded with convex strips for increasing friction force.
According to a further technical scheme, the righting system comprises a fourth supporting frame, an L-shaped plate, a fourth electric telescopic piece, a carrying device, an elastic piece, a connecting frame, a second straight slide rail, a connecting plate, a moving block and a righting wheel; a fourth support frame is fixedly connected to the upper surface of the third support frame and is positioned on one side of the arc-shaped slide rail; the upper surface of the fourth supporting frame is in bolted connection with two symmetrical L-shaped plates; each bolt on the two L-shaped plates is connected with a fourth electric telescopic piece; the two fourth electric telescopic parts are respectively fixedly connected with a carrying device; two elastic pieces are fixedly connected to two sides of the two carriers respectively; two elastic pieces which are adjacent up and down are respectively fixedly connected with a moving block; a connecting frame is welded on one side of the upper part of the fourth supporting frame; two sides of the connecting frame are fixedly connected with a second straight slide rail respectively; two second straight slide rails which are adjacent in front and back are respectively welded with a connecting plate; the left parts of the two connecting plates are fixedly connected with a second straight slide rail respectively; each second straight slide rail is connected with one moving block in a sliding manner; each moving block is connected with a positioning wheel in a rotating way.
In a further embodiment, the four second straight sliding rails are circumferentially arrayed at ninety degrees from each other.
According to a further technical scheme, the outer surface of the righting wheel is a hard plastic wheel.
According to a further technical scheme, the adaptive clamping system comprises a sixth supporting frame, an electric sliding rail, an electric sliding block, a third fixing plate, a seventh supporting frame, a fifth electric telescopic piece, straight tongs, a fixing frame and a distance measurer; a sixth supporting frame is fixedly connected to the left part of the upper surface of the second supporting frame; the left part of the sixth supporting frame is fixedly connected with an electric sliding rail; an electric sliding block is connected inside the electric sliding rail in a sliding manner; a third fixing plate is fixedly connected to the electric sliding block; two symmetrical seventh supporting frames are welded on the third fixing plate; a fifth electric telescopic piece is fixedly connected to each of the two seventh supporting frames; the two fifth electric telescopic parts are respectively fixedly connected with a straight pliers; two fixing frames are fixedly connected to the front straight tongs; and the two fixing frames are respectively fixedly connected with a distance measurer.
According to a further technical scheme, a plurality of V-shaped grooves are formed in the two straight pliers.
According to a further technical scheme, the device further comprises a first support frame and a monitoring positioning piece; a first support frame is fixedly connected to the left part of the upper surface of the working bottom plate; the upper surface of the first support frame is fixedly connected with two monitoring positioning pieces for assisting installation and positioning.
The invention has the beneficial effects that: the detachable lap joint device for the oil field well repairing platform abandons the operation mode of mutual matching between workers, integrates the shackle tools, completes the upper shackle between the sucker rods in full automation, disassembles the sucker rod above the coupling in the shackle process, does not influence the connection between the coupling and the sucker rod below, avoids loosening, corrects the sucker rod which is subjected to the upper shackle, enhances the assembly effect between the sucker rod and the coupling, improves the use safety of the sucker rod, and greatly improves the working efficiency when an oil well is overhauled.
Drawings
FIG. 1 is a schematic perspective view of an automatic make-up and break-out device for an oil field sucker rod according to the present invention;
FIG. 2 is a side view of the automatic make-up and break-out device for the sucker rod used in the oil field according to the present invention;
FIG. 3 is a drawing showing the connection between the sucker rods according to the present invention;
FIG. 4 is a schematic view of a part of the structure of the automatic screwing-on and unscrewing device of the sucker rod for oil fields;
FIG. 5 is a schematic perspective view of a clamping knob system of the present invention;
FIG. 6 is a perspective view of another aspect of the clamping knob system of the present invention;
FIG. 7 is a schematic perspective view of the righting system according to the present invention;
FIG. 8 is a schematic perspective view of another aspect of the righting system of the present invention;
FIG. 9 is a schematic diagram of a partial structure of the righting system of the present invention;
FIG. 10 is a perspective view of an adaptive clamping system according to the present invention.
Reference numbers in the drawings: 1-guide mounting plate, 2-working base plate, 3-first support frame, 4-monitoring positioning piece, 5-second support frame, 61-sucker rod, 62-clamping part, 63-coupling, 101-first support plate, 102-first electric telescopic piece, 103-third support frame, 104-support sliding block, 105-first straight slide rail, 106-second support plate, 107-second electric telescopic piece, 108-first arc-shaped clamp, 109-arc-shaped slide rail, 1010-toothed ring, 1011-first fixing plate, 1012-third electric telescopic piece, 1013-second arc-shaped clamp, 1014-third support plate, 1015-motor, 1016-flat gear, 201-fourth support frame, 202-L-shaped plate, 203-fourth electric telescopic piece, 204-a carrier, 205-an elastic part, 206-a connecting frame, 207-a second straight slide rail, 208-a connecting plate, 209-a moving block, 2010-a positioning wheel, 301-a sixth supporting frame, 302-an electric slide rail, 303-an electric slide block, 304-a third fixing plate, 305-a seventh supporting frame, 306-a fifth electric telescopic part, 307-a straight jaw, 308-a fixing frame and 309-a distance measurer.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
In the embodiment of the present invention, the first electric telescopic element 102 is an electric push rod, the second electric telescopic element 107 is an electric oil cylinder, the third electric telescopic element 1012 is an electric push rod, the fourth electric telescopic element 203 is an electric oil cylinder, the elastic element 205 is a spring telescopic rod, and the fifth electric telescopic element 306 is an electric oil cylinder.
Example 1
An automatic screwing and unscrewing device for an oil field sucker rod is shown in figures 1-3 and comprises a guide mounting plate 1, a working bottom plate 2, a second support frame 5, a clamping knob system, a righting system and an adaptive clamping system; the opposite sides of the two guide mounting plates 1 are connected with a working bottom plate 2; the upper surface of the working bottom plate 2 is connected with a second support frame 5; the upper surface of the second support frame 5 is connected with a clamping knob system; the upper part of the clamping knob system is connected with a position correcting system; the left part of the upper surface of the second support frame 5 is connected with an adaptive clamping system.
The left part of the working bottom plate 2 is provided with a U-shaped groove.
The device also comprises a first support frame 3 and a monitoring positioning piece 4; a first support frame 3 is fixedly connected to the left part of the upper surface of the working bottom plate 2; the upper surface of the first support frame 3 is fixedly connected with two monitoring positioning pieces 4 for assisting installation and positioning, and the monitoring positioning pieces 4 are distance sensors for detecting the distance of the outer surface of the sucker rod 61.
When the well repairing operation of an oil well is needed, before an automatic oil pumping rod screwing and unscrewing device (hereinafter referred to as screwing and unscrewing device) for the oil field is used, two guide mounting plates 1 are firstly positioned on a guide rail of a well repairing working platform, and a U-shaped slotted hole of a working bottom plate 2 is positioned to a well mouth, the traditional positioning mode is that a fixed-length round rod is used for distance positioning, when the screwing and unscrewing device is used, distance detection can be carried out on the outer surface of an oil pumping rod 61 by means of two monitoring positioning pieces 4, when the distance between the monitoring positioning piece 4 and the oil pumping rod 61 is minimum, the monitoring positioning piece 4 sends a signal at the moment, and the two guide mounting plates 1 are locked; then, the sucker rod 61 is lifted upwards by utilizing oil field sucker rod lifting equipment, an operator controls the operation and the stop of the lifting equipment according to the position of the coupling 63 reaching the clamping knob system, the coupling 63 is positioned to the side surface of the clamping knob system, then the clamping knob system is controlled to operate, the clamping knob system correspondingly clamps the outer surface of the sucker rod 61 above, and meanwhile, the coupling 63 is also clamped; then controlling the operation of the righting system, when the upper sucker rod 61 deflects, the righting system pushes the upper sucker rod 61 from four directions at a constant speed, the sucker rod 61 is positioned right above the coupling 63 to realize righting, then controlling the operation of the clamping knob system, and the clamping knob system drives the upper sucker rod 61 to rotate to realize the separation of the upper sucker rod 61, thereby realizing the shackle of the sucker rod 61 and the coupling 63; sucker rod 61 takes the lead to control adaptability joint system operation when transferring, it is all positive side to adaptability joint system not to the clamping part 62 surface of each sucker rod 61, consequently control adaptability joint system catches clamping part 62 surface, and lock clamping part 62 afterwards, avoid sucker rod 61 to appear dropping at the process of making up, the tight knob system operation of control clamp afterwards, the tight knob system of clamp drives sucker rod 61 antiport on the lifting means, realize the make-up between sucker rod 61 and coupling 63.
Example 2
On the basis of embodiment 1, as shown in fig. 1 and fig. 4 to 6, the clamping knob system includes a first support plate 101, a first electric telescopic member 102, a third support frame 103, a support slider 104, a first straight slide rail 105, a second support plate 106, a second electric telescopic member 107, a first arc-shaped clamp 108, an arc-shaped slide rail 109, a toothed ring 1010, a first fixing plate 1011, a third electric telescopic member 1012, a second arc-shaped clamp 1013, a third support plate 1014, a motor 1015 and a pinion 1016; the upper surface of the second support frame 5 is fixedly connected with two symmetrical and parallel first support plates 101; each bolt of the two first supporting plates 101 is connected with a first electric telescopic piece 102; the telescopic parts of the two first electric telescopic pieces 102 are fixedly connected with a third support frame 103; the bottom of the third support frame 103 is welded with two symmetrical support sliders 104; two first straight slide rails 105 are fixedly connected to the upper surface of the second support frame 5, and the two first straight slide rails 105 are positioned between the two first support plates 101; the two supporting sliders 104 are respectively connected to the two first straight slide rails 105 in a sliding manner; two symmetrical second supporting plates 106 are welded on the opposite surfaces of the third supporting frame 103; each bolt of the two second support plates 106 is connected with a second electric telescopic piece 107; the telescopic parts of the two second electric telescopic pieces 107 are respectively fixedly connected with a first arc-shaped clamp 108; the upper surface of the third support frame 103 is fixedly connected with an arc-shaped slide rail 109; a toothed ring 1010 is rotationally connected in the arc-shaped slide rail 109; a first fixing plate 1011 is fixedly connected to the inner surface of the toothed ring 1010; two symmetrical third electric telescopic parts 1012 are fixedly connected to the first fixing plate 1011; two second arc-shaped pliers 1013 are fixedly connected to the telescopic parts of the two third electric telescopic elements 1012; a third support plate 1014 is welded on the upper surface of the arc-shaped slide rail 109; the upper surface of the third support plate 1014 is fixedly connected with a motor 1015; a flat gear 1016 is fixedly connected with an output shaft of the motor 1015; the spur gear 1016 meshes with the ring gear 1010.
The inner surfaces of the two first arcuate jaws 108 and the two second arcuate jaws 1013 are welded with raised strips for increasing friction.
As shown in fig. 1 and fig. 7-9, the righting system includes a fourth supporting frame 201, an L-shaped plate 202, a fourth electric telescopic element 203, a carrier 204, an elastic element 205, a connecting frame 206, a second straight sliding rail 207, a connecting plate 208, a moving block 209, and a righting wheel 2010; a fourth support frame 201 is fixedly connected to the upper surface of the third support frame 103, and the fourth support frame 201 is located on one side of the arc-shaped slide rail 109; the upper surface of the fourth supporting frame 201 is connected with two symmetrical L-shaped plates 202 through bolts; each bolt on the two L-shaped plates 202 is connected with a fourth electric telescopic piece 203; two telescopic parts of the fourth electric telescopic piece 203 are respectively fixedly connected with a carrying device 204; two elastic pieces 205 are fixedly connected to two sides of the two carriers 204 respectively; two elastic pieces 205 adjacent up and down are respectively fixedly connected with a moving block 209; a connecting frame 206 is welded on one side of the upper part of the fourth supporting frame 201; two sides of the connecting frame 206 are respectively fixedly connected with a second straight slide rail 207; two second straight slide rails 207 which are adjacent to each other in the front and back are respectively welded with a connecting plate 208; a second straight slide rail 207 is fixedly connected to the left parts of the two connecting plates 208; each second straight slide rail 207 is slidably connected with a moving block 209; each moving block 209 is rotatably connected with an aligning wheel 2010.
The four second straight slide rails 207 are in a ninety degree circumferential array with respect to each other.
The outer surface of the aligning wheel 2010 is a hard plastic wheel.
When the device is used, the lifting equipment lifts the first sucker rod 61 upwards, the coupling 63 at the lower part of the first sucker rod 61 is positioned to be at the same height with the first arc-shaped clamp 108, the lifting equipment is controlled to stop running, then the two first electric telescopic pieces 102 run, the two first electric telescopic pieces 102 drive the third support frame 103 to move, at the moment, the two first arc-shaped clamps 108 moving along with the third support frame 103 are positioned at two sides of the coupling 63, then the two second electric telescopic pieces 107 run, the two second electric telescopic pieces 107 respectively drive one first arc-shaped clamp 108 to move, the two first arc-shaped clamps 108 move oppositely and clamp the coupling 63, meanwhile, the two fourth electric telescopic pieces 203 above the fourth support frame 201 are controlled to run, the two fourth electric telescopic pieces 203 respectively drive one loader 204 to move, and the two loaders 204 move oppositely, each loader 204 drives four elastic pieces 205 to move, two elastic pieces 205 adjacent to each other from top to bottom push a moving block 209 to move on a corresponding second straight slide rail 207, at the moment, the elastic pieces 205 start to shrink slowly, and because the four second straight slide rails 207 are arranged in a circumferential array and are orthogonal to each other, the four moving blocks 209 drive an aligning wheel 2010 to shrink by taking the sucker rod 61 above as a central point, the four aligning wheels 2010 align the sucker rod 61 above, so that the upper sucker rod 61 and the coupling 63 are always on the same straight line; then controlling the two third electric telescopic parts 1012 to operate, wherein the two third electric telescopic parts 1012 respectively drive one second arc-shaped pliers 1013 to move, the two second arc-shaped pliers 1013 move oppositely and clamp the lower part of the upper sucker rod 61, then controlling the motor 1015 to operate, the output shaft of the motor 1015 drives the flat gear 1016 to rotate, as the flat gear 1016 is meshed with the toothed ring 1010, the toothed ring 1010 rotates in the arc-shaped slide rail 109, the first fixing plate 1011 rotating along with the toothed ring 1010 drives the two third electric telescopic parts 1012 to do circular motion, so that the clamped sucker rod 61 starts to rotate, and simultaneously controlling the lifting device to provide a force for pulling the upper sucker rod 61, when the coupling 63 is screwed out below the sucker rod 61, the disengagement can be quickly realized; the break-out between the subsequent sucker rod 61 and coupling 63 can be completed in this order.
Example 3
On the basis of embodiment 2, as shown in fig. 10, the adaptive clamping system includes a sixth supporting frame 301, an electric sliding rail 302, an electric sliding block 303, a third fixing plate 304, a seventh supporting frame 305, a fifth electric telescopic member 306, a straight jaw 307, a fixing frame 308, and a distance measuring device 309; a sixth support frame 301 is fixedly connected to the left part of the upper surface of the second support frame 5; an electric slide rail 302 is fixedly connected to the left part of the sixth support frame 301; an electric sliding block 303 is connected inside the electric sliding rail 302 in a sliding manner; a third fixing plate 304 is fixedly connected to the electric sliding block 303; two symmetrical seventh supporting frames 305 are welded on the third fixing plate 304; a fifth electric telescopic element 306 is fixedly connected to each of the two seventh supporting frames 305; two telescopic parts of the fifth electric telescopic element 306 are respectively fixedly connected with a straight pliers 307; two fixing frames 308 are fixedly connected to the front straight pliers 307; a distance measuring device 309 is fixed to each of the two fixing frames 308. The distance measuring device 309 is a distance sensor.
The two straight pliers 307 are each provided with a plurality of V-shaped grooves.
The process of the upper sucker rod 61 is the process of the upper thread through changing the rotating direction of the motor 1015; different from the shackling process, the lower clamping part 62 needs to be clamped firstly in the shackling process, and since the direction of the side surface of the clamping part 62 changes after each sucker rod 61 is connected with the previous sucker rod 61, the largest side surface of the clamping part 62 needs to be captured, namely the plane of the clamping part 62 is found for clamping; before the upper sucker rod 61 and the coupling 63 are buckled up, the electric slide rail 302 is controlled to run, the electric slide block 303 slides in the electric slide rail 302, the electric slide block 303 drives the third fixing plate 304 to move, two distance measuring devices 309 which move along with the third fixing plate 304 are controlled to run, because the distance between the two distance measuring devices 309 corresponds to the distance of the maximum side surface of the clamping part 62, when the distance information fed back by the two distance measuring devices 309 is consistent and the displayed numerical value is minimum, it is indicated that the two distance measuring devices 309 are right opposite to the front side surface of the clamping part 62, then the two fifth electric telescopic parts 306 are controlled to run, the two fifth electric telescopic parts 306 respectively drive one straight vice 307 to run, the two straight vice 307 move oppositely and clamp the clamping part 62 of the lower sucker rod 61, the surface of the existing clamping device which is in contact with the clamping part 62 is a plane, and the edge surface protective layer of the clamping part 62 can be damaged, the grooves on the two straight pliers 307 correspond to the edges of the clamping part 62, so that the edge surfaces of the side surfaces cannot be damaged when the clamping part 62 is under pressure, and the clamping part 62 is prevented from being corroded; after the lower sucker rod 61 is clamped, in accordance with the break-out operation, the difference is that the control motor 1015 is rotated in the reverse direction, and then the clamping knob system and the aligning system tighten the upper sucker rod 61 to the coupling 63.
While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.
Claims (6)
1. An automatic screwing-on and unscrewing device of an oil pumping rod for an oil field comprises a guide mounting plate (1), a working bottom plate (2) and a second support frame (5); the opposite sides of the two guide mounting plates (1) are connected with a working bottom plate (2); the upper surface of the working bottom plate (2) is connected with a second support frame (5); the device is characterized by also comprising a clamping knob system, a righting system and an adaptive clamping system; the upper surface of the second support frame (5) is connected with a clamping knob system which is used for clamping the sucker rod (61) and driving the sucker rod (61) to rotate; the upper part of the clamping knob system is connected with a righting system used for righting the offset sucker rod (61) to the axis center position; the left part of the upper surface of the second support frame (5) is connected with an adaptive clamping system for adaptively clamping a clamping part (62) of a sucker rod (61), and the left part of the working bottom plate (2) is provided with a U-shaped groove;
the clamping and turning system comprises a first supporting plate (101), a first electric telescopic part (102), a third supporting frame (103), a supporting slide block (104), a first straight slide rail (105), a second supporting plate (106), a second electric telescopic part (107), a first arc-shaped clamp (108), an arc-shaped slide rail (109), a toothed ring (1010), a first fixing plate (1011), a third electric telescopic part (1012), a second arc-shaped clamp (1013), a third supporting plate (1014), a motor (1015) and a pinion (1016); the upper surface of the second support frame (5) is fixedly connected with two symmetrical and parallel first support plates (101); each bolt of the two first supporting plates (101) is connected with a first electric telescopic piece (102); the telescopic parts of the two first electric telescopic pieces (102) are fixedly connected with a third support frame (103); two symmetrical supporting sliding blocks (104) are welded at the bottom of the third supporting frame (103); two first straight slide rails (105) are fixedly connected to the upper surface of the second support frame (5), and the two first straight slide rails (105) are arranged between the two first support plates (101) in parallel; the two first straight slide rails (105) are respectively connected with a supporting slide block (104) in a sliding way; two symmetrical second supporting plates (106) are welded on the opposite surfaces of the third supporting frame (103); two second supporting plates (106) are respectively connected with a second electric telescopic piece (107) through bolts; the telescopic parts of the two second electric telescopic pieces (107) are respectively fixedly connected with a first arc-shaped clamp (108); the upper surface of the third support frame (103) is fixedly connected with an arc-shaped slide rail (109); a toothed ring (1010) is rotationally connected in the arc-shaped slide rail (109); a first fixing plate (1011) is fixedly connected to the inner surface of the toothed ring (1010); two symmetrical third electric telescopic parts (1012) are fixedly connected to the first fixing plate (1011); two second arc-shaped pliers (1013) are fixedly connected to the telescopic parts of the two third electric telescopic pieces (1012); a third support plate (1014) is welded on the upper surface of the arc-shaped slide rail (109); the upper surface of the third supporting plate (1014) is fixedly connected with a motor (1015); a flat gear (1016) is fixedly connected with an output shaft of the motor (1015); the flat gear (1016) is meshed with the gear ring (1010);
the righting system comprises a fourth supporting frame (201), an L-shaped plate (202), a fourth electric telescopic piece (203), a carrier (204), an elastic piece (205), a connecting frame (206), a second straight sliding rail (207), a connecting plate (208), a moving block (209) and a righting wheel (2010); a fourth support frame (201) is fixedly connected to the upper surface of the third support frame (103), and the fourth support frame (201) is positioned on one side of the arc-shaped slide rail (109); the upper surface of the fourth supporting frame (201) is connected with two symmetrical L-shaped plates (202) through bolts; a fourth electric telescopic piece (203) is connected to each bolt on the two L-shaped plates (202); two telescopic parts of the fourth electric telescopic piece (203) are respectively fixedly connected with a carrying device (204); two elastic pieces (205) are fixedly connected to two sides of the two carriers (204) respectively; two elastic pieces (205) which are adjacent up and down are respectively fixedly connected with a moving block (209); a connecting frame (206) is welded on one side of the upper part of the fourth supporting frame (201); two sides of the connecting frame (206) are respectively fixedly connected with a second straight slide rail (207); two second straight slide rails (207) which are adjacent in the front and back are respectively welded with a connecting plate (208); the left parts of the two connecting plates (208) are respectively fixedly connected with a second straight slide rail (207); each second straight slide rail (207) is connected with a moving block (209) in a sliding manner; each moving block (209) is rotatably connected with a positioning wheel (2010);
the adaptive clamping system comprises a sixth supporting frame (301), an electric sliding rail (302), an electric sliding block (303), a third fixing plate (304), a seventh supporting frame (305), a fifth electric telescopic piece (306), straight pliers (307), a fixing frame (308) and a distance measurer (309); a sixth support frame (301) is fixedly connected to the left part of the upper surface of the second support frame (5); an electric sliding rail (302) is fixedly connected to the left part of the sixth supporting frame (301); an electric sliding block (303) is connected inside the electric sliding rail (302) in a sliding way; a third fixing plate (304) is fixedly connected to the electric slide block (303); two symmetrical seventh supporting frames (305) are welded on the third fixing plate (304); a fifth electric telescopic piece (306) is fixedly connected to each of the two seventh supporting frames (305); the telescopic parts of the two fifth electric telescopic pieces (306) are respectively fixedly connected with a straight pliers (307); two fixing frames (308) are fixedly connected to the straight pliers (307) positioned in front; the two fixing frames (308) are respectively fixedly connected with a distance measuring device (309).
2. The automatic make-up and break-out device of sucker rods for oil fields according to claim 1, wherein the inner surfaces of the two first arc-shaped pincers (108) and the two second arc-shaped pincers (1013) are welded with raised strips for increasing friction force.
3. The automatic make-up and break-down device of the sucker rod for the oil field according to claim 1, wherein the four second straight sliding rails (207) are circumferentially arrayed at ninety degrees from each other.
4. The automatic screwing-unscrewing device for the sucker rods in the oil fields as claimed in claim 1, wherein the outer surface of the aligning wheel (2010) is a rigid plastic wheel.
5. The automatic screwing and unscrewing device for the sucker rod of the oilfield according to claim 1, wherein the two straight pliers (307) are respectively provided with a plurality of V-shaped grooves.
6. The automatic screwing-unscrewing device for the sucker rod in the oil field as claimed in claim 1, further comprising a first support frame (3) and a monitoring positioning member (4); a first support frame (3) is fixedly connected to the left part of the upper surface of the working bottom plate (2); two monitoring positioning pieces (4) used for assisting installation and positioning are fixedly connected to the upper surface of the first support frame (3).
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| CN115234181B (en) * | 2022-09-22 | 2022-12-02 | 山东石油化工学院 | Mechanical execution device for realizing automatic operation reconstruction of sucker rod power tongs |
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Effective date of registration: 20240607 Address after: 257000, Building 101, No. 16 Chuangxin Road, Niuzhuang Town, Dongying District, Dongying City, Shandong Province Patentee after: Shandong Tiantai Shengkai Petroleum Equipment Co.,Ltd. Country or region after: China Address before: 257091 Software Park, No. 228, Nanyi Road, Dongying District, Dongying City, Shandong Province Patentee before: Zhihuimao (Dongying) Intelligent Technology Co.,Ltd. Country or region before: China |