CN113363926A - Cable fixing device for petroleum wellhead fishing operation - Google Patents
Cable fixing device for petroleum wellhead fishing operation Download PDFInfo
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- CN113363926A CN113363926A CN202110913644.XA CN202110913644A CN113363926A CN 113363926 A CN113363926 A CN 113363926A CN 202110913644 A CN202110913644 A CN 202110913644A CN 113363926 A CN113363926 A CN 113363926A
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- 239000003208 petroleum Substances 0.000 title claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 58
- 230000001360 synchronised effect Effects 0.000 claims description 20
- 230000002441 reversible effect Effects 0.000 claims description 8
- 239000003129 oil well Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 244000309464 bull Species 0.000 description 11
- 239000007787 solid Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000003756 stirring Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010415 tidying Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
- H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
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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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of petroleum wellhead operation, mainly relates to the aspect of cable fixation of salvage operation, and particularly relates to a cable fixing device for petroleum wellhead salvage operation, which comprises a fixing pipe sleeve, a supporting and adjusting structure, a conveying shell, a top cover, a guiding tension component, an extruding and fixing component, an extruding and conveying component, a placing pipe and an auxiliary tension component; on the basis of realizing height adjustment of equipment and extrusion and fixation of cables, the single or a plurality of cables are gathered through the tension extrusion and lifting line formed by the auxiliary tension assembly, the guide tension assembly, the extrusion and fixation assembly and the extrusion and transportation assembly, so that the cables are tightened by the tension in the shape of a bow, the lifting of the cables is more convenient to control, the equipment is miniaturized, the installation and the disassembly are convenient, the working efficiency is improved, and the defects that the traditional equipment is large, the lifting of the cables is not convenient to operate and the cables are easy to fall are overcome.
Description
Technical Field
The invention relates to the technical field of petroleum wellhead operation, mainly relates to the aspect of cable fixing of fishing operation, and particularly relates to a cable fixing device for petroleum wellhead fishing operation.
Background
The working principle of the cable clamp used in the field of petroleum logging at present is as follows: during logging work, the instrument card stops and needs to stop working, when fishing is carried out, the cable card is placed on a wellhead, a cable is fixed, then load is relieved, and fault removal processing is carried out, wherein the invention with the publication number of CN105186356A provides a cable fixing device for petroleum wellhead fishing operation, the cable fixing device realizes the effect of the cable by arranging a first fixing device, a second fixing device, a third fixing device and a fastening device, the cable is prevented from loosening, loss is reduced, but the functional purpose of the cable fixing device is realized by increasing the floor area and increasing the complex connection among a plurality of rods, and the cable fixing device has the defects that the floor area is large, and the oil pipe structurally arranged at the wellhead is complex to disassemble and assemble; meanwhile, the cable is controlled to lift vertically in the equipment, so that the control difficulty is high, and the cable is easy to separate and drop;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
The invention aims to: through setting up fixed pipe box, support the regulation structure, carry the casing, the top cap, direction tension subassembly, crowded solid subassembly, crowded fortune subassembly, place pipe and supplementary tension subassembly, realized the altitude mixture control to equipment and to cable extrusion fixed basis on, and through supplementary tension subassembly, direction tension subassembly, crowded solid subassembly and crowded fortune subassembly constitute tension crowded solid lifting line, with single or many cable polymerization, the tension that makes the cable form the bow font tightens the cable, thereby more be convenient for control the cable and go up and down, simultaneously with the equipment miniaturization, be convenient for install and dismantle, increase work efficiency, it is great to solve traditional equipment, be not convenient for operate the cable and go up and down, and the shortcoming that easily drops.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cable fixing device for fishing operation of an oil well mouth comprises a fixing pipe sleeve and a control module, wherein the fixing pipe sleeve is arranged on an oil pipe of the oil well mouth, the cable fixing device further comprises a conveying shell, a placing pipe and a top cover, the placing pipe is arranged at the top end of the fixing pipe sleeve, the conveying shell is fixedly connected with the outer end of the placing pipe through a bolt, one side of the placing pipe, which is positioned at the conveying shell, is provided with an opening, one side of the top of the conveying shell is hinged with the top cover, the other side of the top of the conveying shell is fixedly connected with the top cover through a bolt, the bottom of the conveying shell is provided with a supporting and adjusting structure, the placing pipe is provided with a guiding tension component and an auxiliary tension component, the guiding tension component is arranged at one side close to the conveying shell, the auxiliary tension component is arranged at one side far away from the guiding tension component, and the conveying shell is internally provided with an extruding and fixing component and a transporting component, the extrusion assembly is movably arranged in the conveying shell and fixedly arranged on the top cover, the extrusion assembly is arranged right above the extrusion assembly, the auxiliary tension assembly, the guide tension assembly, the extrusion assembly and the cable are arranged on the same central axis, and the auxiliary tension assembly, the guide tension assembly, the extrusion assembly and the extrusion assembly form a tension extrusion lifting line;
the fixing pipe sleeve comprises two fixing half sleeves, a positioning screw, an annular elastic cushion and a U-shaped clamp, the two fixing half sleeves are abutted, fixing lugs are arranged at two ends of each fixing half sleeve, the U-shaped clamp is clamped with the fixing lugs through bolts, the inner end and the outer end of the annular elastic cushion are abutted with the fixing half sleeves and the oil pipe respectively, and the positioning screw penetrates through the outer walls of the fixing half sleeves, the annular elastic cushion and the oil pipe in a threaded manner;
the crowded subassembly of transporting includes servo motor, initiative bull stick, initiative cylinder, conveyer belt, driven cylinder and driven bull stick, servo motor fixes the outer end of locating the transport casing, initiative bull stick and driven bull stick all rotate locate in the transport casing, and the one end of initiative bull stick run through the inner wall of carrying the casing extend to its outside and with servo motor's output shaft fixed connection, the fixed cover of driven cylinder connects in the outer end of driven bull stick, the fixed cover of initiative cylinder connects in the outer end of initiative bull stick, the conveyer belt cup joints with initiative cylinder and driven cylinder respectively, the conveyer belt includes two conveying cover and conveying strip, conveying strip is fixed to be located between two conveying covers, conveying strip includes the guide part and accepts the strip, the guide part symmetry is located the both ends of accepting the strip, and the guide part is trapezoidal.
Furthermore, the supporting and adjusting structure comprises a supporting component, an adjusting component, a base and a connecting plate, the connecting plate is fixedly arranged at the bottom of the conveying shell, the supporting component is fixedly arranged at four corners of the connecting plate, the base is fixedly arranged at the bottom end of the supporting component, the adjusting component is arranged at the central part of the connecting plate, and the adjusting component is fixedly arranged between the base and the connecting plate.
Further, the supporting component comprises a first supporting spring, a supporting rod and a supporting cylinder body, the supporting cylinder body is fixedly arranged on the top end of the base, the outer end of the supporting rod is connected with the supporting cylinder body in a sliding mode, the outer end of the supporting rod is sleeved with the first supporting spring, and two ends of the first supporting spring are respectively abutted to the supporting cylinder body and the connecting plate.
Further, the adjusting part includes accommodate the lead screw, adjusts the cylinder body, adjusts the swivel and stirs the bull stick, accommodate the lead screw slides and locates in the adjusting cylinder body, and accommodate the lead screw's top and connecting plate fixed connection, adjust the swivel and rotate and locate the top of adjusting the cylinder body, and adjust the outer end screw thread of swivel and accommodate the lead screw and cup joint, the fixed central part of locating the base of adjusting the cylinder body, stir the fixed outer end of locating the regulation swivel of bull stick, it is equipped with a plurality ofly to stir the bull stick, and stirs the bull stick and press annular array distribution as the centre of a circle with the central point of adjusting the swivel.
Further, direction tension subassembly includes tension cylinder body, tension pole, first U type revolving rack and tension pulley, the inside pipe wall is placed to fixed locating of tension cylinder body, tension pole and tension cylinder body sliding connection, the fixed top of locating the tension pole of first U type revolving rack, the tension pulley rotates through pivot and first U type revolving rack to be connected, second supporting spring has been cup jointed to the outer end of tension pole, second supporting spring respectively with first U type revolving rack and tension cylinder body butt.
Further, crowded solid subassembly includes slide, synchronous cylinder, receipts whole subassembly, take over the wheel and crowded solid wheel, synchronous cylinder fixes the top of locating the top cap, and synchronous cylinder symmetry sets up, the piston rod of synchronous cylinder runs through the top cap, slide and synchronous cylinder's piston rod fixed connection, crowded solid wheel rotates the bottom of locating the slide, and crowded solid wheel is equipped with two at least, two crowded solid wheel is located the both ends of crowded fortune subassembly respectively, receive whole subassembly fixed the bottom of locating the slide, and receive whole subassembly symmetry and set up at the both ends of slide, take over the wheel and locate and receive whole subassembly under.
Further, receive whole subassembly including receiving whole wheel, receiving whole cylinder body, receiving whole pole and second U type revolving rack, receive whole cylinder body and slide fixed connection, receive whole cylinder body and receive whole pole sliding connection, the fixed bottom of locating the whole pole of receiving of second U type revolving rack, receive whole spring has been cup jointed to the outer end of receiving whole pole, receive whole spring's both ends respectively with second U type revolving rack and receive whole cylinder body butt, receive whole wheel and second U type revolving rack through the pivot and rotate and be connected, the outer end of receiving whole wheel and bearing wheel all inwards caves in.
Furthermore, supplementary tension subassembly includes runner, rotation lead screw, supports piece and spacing slide bar, it runs through the lateral wall of placing the pipe and extends to it and with supporting the piece and rotate and be connected to rotate the lead screw thread, spacing slide bar slides and runs through the lateral wall of placing the pipe and extends to in it and with supporting a fixed connection, the one end and the runner fixed connection of placing the pipe of keeping away from of rotation lead screw.
The working method of the cable fixing device for petroleum wellhead fishing operation comprises the following specific working steps:
step one, assembling equipment: the two fixing half sleeves are abutted against the side wall of the outer end of the oil pipe, after the fixing lugs of the two fixing half sleeves are abutted against each other, the positioning screw is rotated in a thread mode and penetrates through the fixing half sleeves and the annular elastic pad, the top end of the positioning screw is abutted against the groove in the outer wall of the oil pipe, the two fixing lugs are taken out and are wrapped by the U-shaped clamping half sleeves to be fixed through bolts, the fixing pipe sleeves and the oil pipe are fixed, the placing pipe is fixed to the top of the fixing pipe sleeves, the conveying shell is installed at the opening of the placing pipe through the bolts, and then the top cover is opened from one side;
step two, clamping the cable: placing an instrument connected with a single or a plurality of cables from the top end of the fixed pipe sleeve and into the oil pipe, placing the single or the plurality of cables in the conveying shell from the upper part of the equipment, then the top cover is closed, the auxiliary tension component is rotated to enable the single or a plurality of cables to be pushed to move towards the direction of the guide tension component, simultaneously, the extrusion and transportation component is started to extrude and gather the single or a plurality of cables downwards, and the extrusion and transportation component is started to drive the single or a plurality of cables to be far away from the guide tension component, when the single or a plurality of cables are positioned between the extrusion transportation component and the extrusion fixing component and are extruded, the extrusion transportation component drives the device to lift by driving the single or a plurality of cables, the auxiliary tension assembly, the guide tension assembly, the extruding and fixing assembly, the extruding and conveying assembly and the cable are positioned on the same central axis, so that the auxiliary tension assembly, the guide tension assembly, the extruding and fixing assembly and the extruding and conveying assembly form a tension extruding and fixing lifting line;
step three, lifting the cable: the control module starts the servo motor and controls the output shaft of the servo motor to rotate in the forward direction, after the output shaft of the servo motor rotates in the forward direction, the driving rotating rod fixed with the servo motor is driven to rotate in the forward direction, the driving rotating rod rotates in the forward direction and drives the driving roller fixed with the driving rotating rod, the driving roller rotates in the forward direction and drives the conveying belt sleeved with the driving rotating rod to rotate, the conveying belt rotates in the forward direction and drives the driven rotating rod sleeved with the driven rotating rod to rotate, the cable is arranged on the top surface of the conveying belt at the moment, the cable is pushed into an oil well through the bearing strip with friction increased in the middle of the belt, when the cable needs to be pulled out, the control module controls the output shaft of the servo motor to rotate in the reverse direction and drives the driving rotating rod fixed with the servo motor to rotate in the reverse direction, and then controls the conveying belt to rotate in the reverse direction through transmission of the component, so that the cable is driven to come out of the oil well.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention is through setting up the fixed pipe box, supporting the regulating structure, conveying the body, top cap, leading the tension assembly, squeeze the firm assembly, squeeze the transport assembly, place the tube and auxiliary tension assembly, on the basis of realizing the height adjustment to the apparatus and squeezing the cable to fix, and squeeze the lifting wire through the tension that the auxiliary tension assembly, leading the tension assembly, squeezing the firm assembly and squeezing the transport assembly to form, gather the single or polyrhizal cable, make the cable form the tension of the bow-shaped and tighten the cable, thus is more convenient for control cable to go up and down, miniaturize apparatus at the same time, easy to install and dismantle, increase the work efficiency, solve the traditional apparatus is bigger, inconvenient to operate the cable go up and down, and the disadvantage apt to drop.
Drawings
FIG. 1 shows a front view of a cable fixture device provided in accordance with the present invention;
FIG. 2 is a schematic view showing the internal structure of a delivery casing and a placement tube provided according to the present invention;
FIG. 3 shows a cross-sectional view at A-A of FIG. 1;
FIG. 4 illustrates a schematic structural view of a support assembly provided in accordance with the present invention;
FIG. 5 illustrates a schematic structural view of an adjustment assembly provided in accordance with the present invention;
fig. 6 shows a partial enlarged view at B of fig. 2;
FIG. 7 illustrates an adaptation of the receiving assembly and the receiving wheel provided in accordance with the present invention;
FIG. 8 shows a schematic view of a portion of the structure of a conveyor belt provided in accordance with the invention;
FIG. 9 shows a cross-sectional view of a conveyor belt provided in accordance with the present invention;
FIG. 10 illustrates a schematic structural view of an auxiliary tension assembly provided in accordance with the present invention;
illustration of the drawings: 1. fixing the pipe sleeve; 2. supporting the adjusting structure; 3. a transport housing; 4. a top cover; 5. a guiding tension assembly; 6. a swaging assembly; 7. a squeezing and conveying assembly; 8. placing a tube; 9. an auxiliary tension assembly; 10. a control module; 101. fixing the half sleeve; 102. fixing the bump; 103. a U-shaped clamp; 104. an annular spring pad; 105. positioning a screw rod; 201. a support assembly; 202. an adjustment assembly; 203. a base; 204. a connecting plate; 2011. a first support spring; 2012. a support bar; 2013. a support cylinder; 2021. adjusting the screw rod; 2022. adjusting the cylinder body; 2023. adjusting the swivel; 2024. the rotating rod is stirred; 501. a tension cylinder body; 502. a tension bar; 503. a second support spring; 504. a first U-shaped rotating frame; 505. a tension pulley; 601. a slide plate; 602. a synchronous cylinder; 603. collecting and tidying the components; 604. a receiving wheel; 605. extruding and fixing the wheel; 6031. collecting and finishing the wheels; 6032. collecting and finishing the cylinder body; 6033. the rod is retracted; 6034. the spring is wound; 6035. a second U-shaped rotating frame; 701. a servo motor; 702. an active rotating rod; 703. a driving roller; 704. a conveyor belt; 705. a driven drum; 706. a driven rotating rod; 7041. a transfer sleeve; 7042. a transfer bar; 7043. a guide portion; 7044. carrying out strip bearing; 901. a rotating wheel; 902. rotating the screw rod; 903. a resisting block; 904. and limiting the sliding rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution:
a cable fixing device for fishing operation of an oil wellhead comprises a fixing pipe sleeve 1, a control module 10, a conveying shell 3, a placing pipe 8 and a top cover 4, wherein the fixing pipe sleeve 1 is installed on an oil pipe of the oil wellhead, the placing pipe 8 is installed at the top end of the fixing pipe sleeve 1, the conveying shell 3 is fixedly connected with the outer end of the placing pipe 8 through a bolt, one side, located on the conveying shell 3, of the placing pipe 8 is provided with an opening, one side, located on the top of the conveying shell 3, of the top of the conveying shell is hinged with the top cover 4, the other side of the top of the conveying shell is fixedly connected with the top cover 4 through a bolt, a supporting and adjusting structure 2 is arranged at the bottom of the conveying shell 3, a guiding tension component 5 and an auxiliary tension component 9 are arranged on the placing pipe 8, the guiding tension component 5 is arranged on one side close to the conveying shell 3, the, the extrusion component 6 is movably arranged in the conveying shell 3, the extrusion component 6 is fixedly arranged on the top cover 4, the extrusion component 6 is arranged right above the extrusion component 7, the auxiliary tension component 9, the guide tension component 5, the extrusion component 6, the extrusion component 7 and the cable are arranged on the same central axis, the auxiliary tension component 9, the guide tension component 5, the extrusion component 6 and the extrusion component 7 form a tension extrusion lifting line, the tension extrusion lifting line converges and guides the cable, the auxiliary tension component 9, the guide tension component 5, the extrusion component 6 and the extrusion component 7 are positioned on the same central axis, and then the cable is tightened and extruded to form a bow, so that the lifting of the cable is more convenient to control;
the fixing pipe sleeve 1 comprises two fixing half sleeves 101, a positioning screw 105, an annular elastic cushion 104 and a U-shaped clamp 103, the two fixing half sleeves 101 are abutted, fixing convex blocks 102 are arranged at two ends of each fixing half sleeve 101, the U-shaped clamp 103 is clamped with the fixing convex blocks 102 through bolts, the inner end and the outer end of the annular elastic cushion 104 are abutted to the fixing half sleeves 101 and an oil pipe respectively, and the positioning screw 105 penetrates through the outer walls of the fixing half sleeves 101, the annular elastic cushion 104 and the oil pipe in a threaded manner;
the two fixing half sleeves 101 are abutted to the outer end side wall of an oil pipe, after fixing lugs 102 of the two fixing half sleeves 101 are abutted to each other, then positioning screws 105 rotate in a threaded mode and penetrate through the fixing half sleeves 101 and the annular elastic cushions 104, the top ends of the positioning screws 105 are abutted to grooves in the outer wall of the oil pipe, U-shaped clamps 103 are taken out to wrap the two fixing lugs 102 in half to fix the fixing lugs with bolts, the fixing pipe sleeve 1 is fixed with the oil pipe, then the placing pipe 8 is fixed to the top of the fixing pipe sleeve 1, then the conveying shell 3 is installed at an opening of the placing pipe 8 through the bolts, and then the top cover 4 is opened from one side to place a cable in equipment;
the supporting and adjusting structure 2 comprises a supporting component 201, an adjusting component 202, a base 203 and a connecting plate 204, the connecting plate 204 is fixedly arranged at the bottom of the conveying shell 3, the supporting component 201 is fixedly arranged at four corners of the connecting plate 204, the base 203 is fixedly arranged at the bottom end of the supporting component 201, the supporting component 201 comprises a first supporting spring 2011, a supporting rod 2012 and a supporting cylinder 2013, the supporting cylinder 2013 is fixedly arranged at the top end of the base 203, the outer end of the supporting rod 2012 is slidably connected with the supporting cylinder 2013, a first supporting spring 2011 is sleeved at the outer end of the supporting rod 2012, two ends of the first supporting spring 2011 are respectively abutted against the supporting cylinder 2013 and the connecting plate 204, the adjusting component 202 is arranged at the central part of the connecting plate 204, and the adjusting component 202 is fixedly arranged between the base 203 and the connecting plate 204;
the adjusting assembly 202 comprises an adjusting screw 2021, an adjusting cylinder 2022, an adjusting swivel 2023 and a plurality of toggle swivel 2024, the adjusting screw 2021 is slidably disposed in the adjusting cylinder 2022, the top end of the adjusting screw 2021 is fixedly connected to the connecting plate 204, the adjusting swivel 2023 is rotatably disposed at the top end of the adjusting cylinder 2022, the adjusting swivel 2023 is in threaded sleeve connection with the outer end of the adjusting screw 2021, the adjusting cylinder 2022 is fixedly disposed at the central portion of the base 203, the toggle swivel 2024 is fixedly disposed at the adjusting swivel 2023, the toggle swivel 2024 is provided with a plurality of toggle swivel 2024, and the toggle swivel 2024 is distributed in an annular array with the central point of the adjusting swivel 2023 as the center;
the toggle rotating rod 2024 is pushed to drive the adjusting rotating ring 2023 fixed with the toggle rotating rod 2024, the adjusting rotating ring 2023 rotates at the top end of the adjusting cylinder 2022, the adjusting rotating ring 2023 rotates to drive the adjusting screw rod 2021 in threaded connection with the adjusting rotating rod 2023 to move up and down in the adjusting cylinder 2022, the adjusting screw rod 2021 drives the conveying shell 3 fixed with the adjusting rotating ring to move up and down after moving up and down, and the supporting assemblies 201 at the four corners support the conveying shell 3, so that the lifting of the equipment is more stable, oil pipes with different heights can be matched and leaked, and the installation and the disassembly of the equipment are facilitated;
the guiding tension assembly 5 comprises a tension cylinder body 501, a tension rod 502, a first U-shaped rotating frame 504 and a tension wheel 505, wherein the tension cylinder body 501 is fixedly arranged on the inner wall of the placing pipe 8, the tension rod 502 is slidably connected with the tension cylinder body 501, the first U-shaped rotating frame 504 is fixedly arranged at the top end of the tension rod 502, the tension wheel 505 is rotatably connected with the first U-shaped rotating frame 504 through a rotating shaft, the outer end of the tension rod 502 is sleeved with a second supporting spring 503, and the second supporting spring 503 is respectively abutted against the first U-shaped rotating frame 504 and the tension cylinder body 501;
the extrusion assembly 6 comprises a sliding plate 601, a synchronous cylinder 602, a collecting assembly 603, a carrying wheel 604 and extrusion wheels 605, the synchronous cylinder 602 is fixedly arranged at the top end of the top cover 4, the synchronous cylinders 602 are symmetrically arranged, a piston rod of the synchronous cylinder 602 penetrates through the top cover 4, the sliding plate 601 is fixedly connected with the piston rod of the synchronous cylinder 602, the extrusion wheels 605 are rotatably arranged at the bottom of the sliding plate 601, at least two extrusion wheels 605 are arranged, the two extrusion wheels 605 are respectively arranged at two ends of the extrusion assembly 7, the collecting assembly 603 is fixedly arranged at the bottom of the sliding plate 601, the collecting assembly 603 is symmetrically arranged at two ends of the sliding plate 601, and the carrying wheel 604 is arranged right below the collecting assembly 603;
the collecting and adjusting assembly 603 comprises a collecting and adjusting wheel 6031, a collecting and adjusting cylinder 6032, a collecting and adjusting rod 6033 and a second U-shaped rotating frame 6035, the collecting and adjusting cylinder 6032 is fixedly connected with the sliding plate 601, the collecting and adjusting cylinder 6032 is slidably connected with the collecting and adjusting rod 6033, the second U-shaped rotating frame 6035 is fixedly arranged at the bottom end of the collecting and adjusting rod 6033, a collecting and adjusting spring 6034 is sleeved at the outer end of the collecting and adjusting rod 6033, two ends of the collecting and adjusting spring 6034 are respectively abutted against the second U-shaped rotating frame 6035 and the collecting and adjusting cylinder 6032, the collecting and adjusting wheel 6031 is rotatably connected with the second U-shaped rotating frame 6035 through a rotating shaft, and the outer ends of the collecting and adjusting wheel 6031 and the receiving wheel 604 are both sunken inwards;
the control component starts the synchronous cylinder 602 to enable the piston rod of the synchronous cylinder to move downwards, the piston rod of the synchronous cylinder 602 moves downwards to drive the sliding plate 601 fixed with the synchronous cylinder to move downwards, the sliding plate 601 moves downwards to drive the extrusion wheel 605 and the collecting component 603 on the sliding plate to move downwards, the single or multiple cables move towards the center of the sliding plate along the side wall of the collecting wheel 6031, the extrusion wheel 605 extrudes the single or multiple cables downwards at the same time until the single or multiple cables are abutted to the upper surface of the extrusion component 7 by the cables, at the moment, the single or multiple cables are positioned between the two collecting wheels 6031, and the extrusion wheel 605 extrudes the surface of the extrusion component 7, so that the cables are extruded and fixed;
the squeezing and conveying assembly 7 comprises a servo motor 701, a driving rotating rod 702, a driving roller 703, a conveyor belt 704, a driven roller 705 and a driven rotating rod 706, the servo motor 701 is fixedly arranged at the outer end of the conveying shell 3, the driving rotating rod 702 and the driven rotating rod 706 are both rotatably arranged in the conveying shell 3, and one end of the driving rotating rod 702 penetrates through the inner wall of the conveying shell 3 to extend to the outside of the conveying shell and is fixedly connected with an output shaft of the servo motor 701; the driven rotary drum 705 is fixedly sleeved at the outer end of the driven rotary rod 706, the driving rotary drum 703 is fixedly sleeved at the outer end of the driving rotary rod 702, the conveyor belt 704 is respectively sleeved with the driving rotary drum 703 and the driven rotary drum 705, the conveyor belt 704 comprises two conveying sleeves 7041 and a conveying strip 7042, the conveying strip 7042 is fixedly arranged between the two conveying sleeves 7041, the conveying strip 7042 comprises a guide part 7043 and a bearing strip 7044, the guide parts 7043 are symmetrically arranged at two ends of the bearing strip 7044, and the guide part 7043 is trapezoidal;
the auxiliary tension assembly 9 comprises a rotating wheel 901, a rotating screw rod 902, a resisting block 903 and a limiting slide rod 904, the rotating screw rod 902 penetrates through the side wall of the placing pipe 8 in a threaded manner and extends into the side wall of the placing pipe 8 and is connected with the resisting block 903 in a rotating manner, the limiting slide rod 904 penetrates through the side wall of the placing pipe 8 in a sliding manner and extends into the side wall of the placing pipe 8 and is fixedly connected with the resisting block 903, and one end, far away from the placing pipe 8, of the rotating screw rod 902 is fixedly connected with the rotating wheel 901.
The working principle is as follows: the two fixing half sleeves 101 are abutted to the outer end side wall of an oil pipe, after the fixing convex blocks 102 of the two fixing half sleeves 101 are abutted to each other, a positioning screw 105 is rotated in a thread manner and penetrates through the fixing half sleeves 101 and an annular elastic cushion 104, the top end of the positioning screw 105 is abutted to the outer wall groove of the oil pipe, a U-shaped clamp 103 is taken out to be half wrapped on the two fixing convex blocks 102 to be fixed through bolts, a fixing pipe sleeve 1 is fixed with the oil pipe, a placing pipe 8 is fixed at the top of the fixing pipe sleeve 1, a conveying shell 3 is installed at the opening of the placing pipe 8 through the bolts, a top cover 4 is opened from one side, an instrument connected with a single cable or a plurality of cables is placed from the top end of the fixing pipe sleeve 1 and enters the oil pipe, the single cable or the plurality of cables are placed in the conveying shell 3 from the upper part of the equipment, then the top cover 4 is closed, the auxiliary tension component 9 is rotated to push the single cable or the cables to move towards the tension component 5, meanwhile, the extrusion transportation component 7 is started to extrude a single cable or a plurality of cables downwards and gather the cables, the extrusion transportation component 7 is started to drive the extrusion transportation component 7 to provide power for the single cable or the plurality of cables far away from the guide tension component 5, when the single cable or the plurality of cables are positioned between the extrusion transportation component 7 and the extrusion fixing component 6 and extruded, the extrusion transportation component 7 drives the single cable or the plurality of cables to drive the device to lift, then the auxiliary tension component 9, the guide tension component 5, the extrusion fixing component 6, the extrusion transportation component 7 and the cables are positioned on the same central axis, so that the auxiliary tension component 9, the guide tension component 5, the extrusion fixing component 6 and the extrusion transportation component 7 form a tension extrusion fixing lifting line, then the control module 10 starts the servo motor 701 and controls the output shaft of the servo motor 701 to rotate in the forward direction, after the output shaft of the servo motor 701 rotates in the forward direction, the drive rotating rod 702 fixed with the servo motor 701 rotates in the forward direction, and the drive rotating rod 703 fixed with the servo motor 701 rotates in the forward direction, the driving roller 703 rotates forward to drive the transmission belt 704 sleeved with the driving roller to rotate forward, the transmission belt 704 rotates forward to drive the driven roller 705 sleeved with the transmission belt to rotate, the driven roller 705 rotates to drive the driven rotating rod 706 fixed with the driven roller to rotate, at the moment, the cable is pushed into an oil well through the bearing strip 7044 which increases friction in the middle of the belt on the top surface of the transmission belt 704, when the cable needs to be pulled out, the control module 10 controls the output shaft of the servo motor 701 to rotate in the reverse direction and drives the driving rotating rod 702 fixed with the servo motor to rotate in the reverse direction, and then the transmission belt 704 is controlled to rotate in the reverse direction through part transmission, so that the cable is driven to come out of the oil well; according to the fixing pipe sleeve 1, the supporting and adjusting structure 2, the conveying shell 3, the top cover 4, the guiding tension component 5, the extruding and transporting component 6, the extruding and transporting component 7, the placing pipe 8 and the auxiliary tension component 9 which are arranged in the technical scheme, on the basis of realizing height adjustment of equipment and extruding and fixing of cables, a lifting line is extruded and fixed through the tension formed by the auxiliary tension component 9, the guiding tension component 5, the extruding and transporting component 6 and the extruding and transporting component 7, a single cable or a plurality of cables are aggregated, and the cables are tightened by the tension forming a bow shape, so that the cables are convenient to control to lift.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A cable fixing device for oil wellhead fishing operation comprises a fixing pipe sleeve (1) and a control module (10), wherein the fixing pipe sleeve (1) is installed on an oil pipe of an oil wellhead, and the cable fixing device is characterized by further comprising a conveying shell (3), a placing pipe (8) and a top cover (4), the placing pipe (8) is installed at the top end of the fixing pipe sleeve (1), the conveying shell (3) is fixedly connected with the outer end of the placing pipe (8) through bolts, one side, located on the conveying shell (3), of the placing pipe (8) is provided with an opening, one side of the top of the conveying shell (3) is hinged to the top cover (4), the other side of the top of the conveying shell is fixedly connected with the top cover (4) through bolts, a supporting and adjusting structure (2) is arranged at the bottom of the conveying shell (3), and a guiding tension assembly (5) and an auxiliary tension assembly (9) are arranged on the placing pipe (8), the guide tension assembly (5) is arranged on one side close to the conveying shell (3), the auxiliary tension assembly (9) is arranged on one side far away from the guide tension assembly (5), the conveying shell (3) is internally provided with the extruding and fixing assembly (6) and the extruding and conveying assembly (7), the extruding and fixing assembly (6) is movably arranged in the conveying shell (3), the extruding and fixing assembly (6) is fixedly arranged on the top cover (4), the extruding and conveying assembly (6) is arranged right above the extruding and conveying assembly (7), the auxiliary tension assembly (9), the guide tension assembly (5), the extruding and fixing assembly (6), the extruding and conveying assembly (7) and a cable are arranged on the same central axis, and the auxiliary tension assembly (9), the guide tension assembly (5), the extruding and conveying assembly (6) and the extruding and conveying assembly (7) form a tension extruding and fixing lifting line;
the fixing pipe sleeve (1) comprises two fixing half sleeves (101), a positioning screw rod (105), an annular elastic cushion (104) and a U-shaped clamp (103), the two fixing half sleeves (101) are abutted, fixing convex blocks (102) are arranged at two ends of each fixing half sleeve (101), the U-shaped clamp (103) is clamped with the fixing convex blocks (102) through bolts, the inner end and the outer end of the annular elastic cushion (104) are respectively abutted to the fixing half sleeves (101) and an oil pipe, and the positioning screw rod (105) penetrates through the outer walls of the fixing half sleeves (101), the annular elastic cushion (104) and the oil pipe in a threaded manner;
the squeezing and conveying assembly (7) comprises a servo motor (701), a driving rotating rod (702), a driving roller (703), a conveyor belt (704), a driven roller (705) and a driven rotating rod (706), wherein the servo motor (701) is fixedly arranged at the outer end of the conveying shell (3), the driving rotating rod (702) and the driven rotating rod (706) are both rotatably arranged in the conveying shell (3), one end of the driving rotating rod (702) penetrates through the inner wall of the conveying shell (3) to extend to the outside of the conveying shell and is fixedly connected with an output shaft of the servo motor (701), the driven roller (705) is fixedly sleeved at the outer end of the driven rotating rod (706), the driving roller (703) is fixedly sleeved at the outer end of the driving rotating rod (702), the conveyor belt (704) is respectively sleeved with the driving roller (703) and the driven roller (705), the conveyor belt (704) comprises two conveying sleeves (7041) and conveying strips (7042), the conveying strip (7042) is fixedly arranged between two conveying sleeves (7041), the conveying strip (7042) comprises a guide part (7043) and a bearing strip (7044), the guide part (7043) is symmetrically arranged at two ends of the bearing strip (7044), and the guide part (7043) is trapezoidal.
2. The cable fixing device for the oil wellhead fishing operation according to claim 1, characterized in that the supporting and adjusting structure (2) comprises a supporting component (201), an adjusting component (202), a base (203) and a connecting plate (204), the connecting plate (204) is fixedly arranged at the bottom of the conveying shell (3), the supporting component (201) is fixedly arranged at four corners of the connecting plate (204), the base (203) is fixedly arranged at the bottom end of the supporting component (201), the adjusting component (202) is arranged at the central part of the connecting plate (204), and the adjusting component (202) is fixedly arranged between the base (203) and the connecting plate (204).
3. The cable fixing device for the oil wellhead fishing operation according to claim 2, wherein the supporting assembly (201) comprises a first supporting spring (2011), a supporting rod (2012) and a supporting cylinder (2013), the supporting cylinder (2013) is fixedly arranged at the top end of the base (203), the outer end of the supporting rod (2012) is slidably connected with the supporting cylinder (2013), the first supporting spring (2011) is sleeved at the outer end of the supporting rod (2012), and two ends of the first supporting spring (2011) are respectively abutted against the supporting cylinder (2013) and the connecting plate (204).
4. A cable fixing device for oil wellhead fishing operation according to claim 2, characterized in that the adjusting component (202) comprises an adjusting screw rod (2021), an adjusting cylinder body (2022), an adjusting swivel (2023) and a toggle rotating rod (2024), the adjusting screw rod (2021) is slidably arranged in the adjusting cylinder body (2022), the top end of the adjusting screw rod (2021) is fixedly connected with the connecting plate (204), the adjusting rotary ring (2023) is rotatably arranged at the top end of the adjusting cylinder body (2022), the adjusting rotating ring (2023) is in threaded sleeve joint with the outer end of the adjusting screw rod (2021), the adjusting cylinder body (2022) is fixedly arranged at the central part of the base (203), the toggle rotating rod (2024) is fixedly arranged at the outer end of the adjusting rotating ring (2023), a plurality of toggle rotating rods (2024) are arranged, and the rotating rods (2024) are stirred to be distributed according to an annular array by taking the central point of the adjusting rotating ring (2023) as the center of a circle.
5. The cable fixing device for the oil wellhead fishing operation is characterized in that the guiding tension assembly (5) comprises a tension cylinder body (501), a tension rod (502), a first U-shaped rotating frame (504) and a tension wheel (505), the tension cylinder body (501) is fixedly arranged on the inner wall of the placing pipe (8), the tension rod (502) is in sliding connection with the tension cylinder body (501), the first U-shaped rotating frame (504) is fixedly arranged at the top end of the tension rod (502), the tension wheel (505) is in rotating connection with the first U-shaped rotating frame (504) through a rotating shaft, a second supporting spring (503) is sleeved at the outer end of the tension rod (502), and the second supporting spring (503) is abutted to the first U-shaped rotating frame (504) and the tension cylinder body (501) respectively.
6. The cable fixing device for the oil wellhead fishing operation according to claim 1, wherein the fixing component (6) comprises a sliding plate (601), a synchronous cylinder (602), a collecting component (603), a receiving wheel (604) and fixing wheels (605), the synchronous cylinder (602) is fixedly arranged at the top end of the top cover (4), the synchronous cylinders (602) are symmetrically arranged, a piston rod of the synchronous cylinder (602) penetrates through the top cover (4), the sliding plate (601) is fixedly connected with the piston rod of the synchronous cylinder (602), the fixing wheels (605) are rotatably arranged at the bottom of the sliding plate (601), at least two fixing wheels (605) are arranged, the two fixing wheels (605) are respectively arranged at two ends of the conveying component (7), the collecting component (603) is fixedly arranged at the bottom of the sliding plate (601), and the collecting component (603) is symmetrically arranged at two ends of the sliding plate (601), the receiving wheel (604) is arranged right below the collecting and adjusting assembly (603).
7. The cable fixing device for the fishing operation of the petroleum wellhead as claimed in claim 6, wherein the retracting assembly (603) comprises a retracting wheel (6031), a retracting cylinder body (6032), a retracting rod (6033) and a second U-shaped rotating frame (6035), the retracting cylinder body (6032) is fixedly connected with the sliding plate (601), the retracting cylinder body (6032) is slidably connected with the retracting rod (6033), the second U-shaped rotating frame (6035) is fixedly arranged at the bottom end of the retracting rod (6033), a retracting spring (6034) is sleeved at the outer end of the retracting rod (6033), two ends of the retracting spring (6034) are respectively abutted against the second U-shaped rotating frame (6035) and the retracting cylinder body (6032), the retracting wheel (6031) is rotatably connected with the second U-shaped rotating frame (6035) through a rotating shaft, and the outer ends of the retracting wheel (6031) and the receiving wheel (60604) are both inwards recessed.
8. The cable fixing device for the oil wellhead fishing operation is characterized in that the auxiliary tension assembly (9) comprises a rotating wheel (901), a rotating screw rod (902), a resisting block (903) and a limiting slide rod (904), the rotating screw rod (902) penetrates through the side wall of the placing pipe (8) in a threaded mode to extend into the side wall of the placing pipe (8) and is connected with the resisting block (903) in a rotating mode, the limiting slide rod (904) penetrates through the side wall of the placing pipe (8) in a sliding mode to extend into the side wall of the placing pipe (8) and is fixedly connected with the resisting block (903), and one end, far away from the placing pipe (8), of the rotating screw rod (902) is fixedly connected with the rotating wheel (901).
9. The working method of the cable fixing device for the oil wellhead fishing operation according to any one of claims 1 to 8 is characterized by comprising the following specific working steps:
step one, assembling equipment: the two fixing half sleeves (101) are abutted to the outer end side wall of the oil pipe, after fixing convex blocks (102) of the two fixing half sleeves (101) are abutted to each other, a positioning screw (105) is rotated in a thread mode and penetrates through the fixing half sleeves (101) and an annular elastic cushion (104), the top end of the positioning screw (105) is abutted to a groove in the outer wall of the oil pipe, a U-shaped clamp (103) is taken out to be wrapped by the two fixing convex blocks (102) in a half wrapping mode and fixed through a bolt, a fixing pipe sleeve (1) is fixed with the oil pipe, a placing pipe (8) is fixed to the top of the fixing pipe sleeve (1), a conveying shell (3) is installed at an opening of the placing pipe (8) through the bolt, and then a top cover (4) is opened from one side;
step two, clamping the cable: placing an instrument connected with one or more cables from the top end of a fixed pipe sleeve (1) and into an oil pipe, placing the one or more cables in a conveying shell (3) from the upper part of equipment, then closing a top cover (4), rotating an auxiliary tension component (9) to enable the one or more cables to be pushed to move towards a guide tension component (5), simultaneously starting an extrusion component (7) to extrude the one or more cables downwards and gather the cables, starting the extrusion component (7) to enable the extrusion component (7) to provide power for the one or more cables to be far away from the guide tension component (5), when the one or more cables are positioned between the extrusion component (7) and the extrusion component (6) to be extruded, and driving a single or more cable driving device to lift by the extrusion component (7), assisting the tension component (9), the guide tension component (5), the extrusion component (6), The extruding and transporting assembly (7) and the cable are positioned in the same central axis, so that the auxiliary tension assembly (9), the guide tension assembly (5), the extruding and fixing assembly (6) and the extruding and transporting assembly (7) form a tension extruding and fixing lifting line;
step three, lifting the cable: the control module (10) starts the servo motor (701) and controls the output shaft of the servo motor to rotate in the forward direction, when the output shaft of the servo motor (701) rotates in the forward direction, the driving rotating rod (702) fixed with the servo motor drives the driving rotating rod (703) fixed with the servo motor to rotate in the forward direction, the driving rotating rod (703) rotates in the forward direction, the driving rotating rod (703) drives the conveying belt (704) sleeved with the driving rotating rod to rotate in the forward direction, the conveying belt (704) rotates in the forward direction, the driven rotating rod (705) sleeved with the driving rotating rod is driven to rotate by the driven rotating rod (705) rotating and fixed with the driven rotating rod (706), at the moment, the cable pushes the cable into an oil well through a bearing strip (7044) which increases friction in the middle of the belt on the top surface of the conveying belt (704), and when the cable needs to be pulled out, the control module (10) controls the output shaft of the servo motor (701) to rotate in the reverse direction and drives the driving rotating rod (702) fixed with the servo motor to rotate in the reverse direction, the control belt (704) is then counter-rotated by the component drive to drive the cable out of the well.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913644.XA CN113363926B (en) | 2021-08-10 | 2021-08-10 | Cable fixing device for petroleum wellhead fishing operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913644.XA CN113363926B (en) | 2021-08-10 | 2021-08-10 | Cable fixing device for petroleum wellhead fishing operation |
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| CN113363926A true CN113363926A (en) | 2021-09-07 |
| CN113363926B CN113363926B (en) | 2021-10-29 |
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| KR20100111403A (en) * | 2009-04-07 | 2010-10-15 | 주식회사 동해 | A cable installing device by using double braid rope |
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| CN113363926B (en) | 2021-10-29 |
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