CN114753789B - Installation device with anti-eccentric function for oilfield christmas tree - Google Patents

Installation device with anti-eccentric function for oilfield christmas tree Download PDF

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Publication number
CN114753789B
CN114753789B CN202210585431.3A CN202210585431A CN114753789B CN 114753789 B CN114753789 B CN 114753789B CN 202210585431 A CN202210585431 A CN 202210585431A CN 114753789 B CN114753789 B CN 114753789B
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linkage
fixedly connected
plate
ring
block
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CN114753789A (en
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吴海军
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to the field of oilfield christmas trees, in particular to a mounting device with an anti-decentration function for oilfield christmas trees. The technical problems are as follows: in the installation process, the flange is closer to the ground, and even if the flange is manually squatted down, horizontal force cannot be applied to the stress application rod all the time, so that the installed short sleeve is eccentric, and the threads of the short sleeve are damaged. The installation device with the anti-eccentric function for the oilfield christmas tree comprises a side plate, a tightening assembly and the like; the middle part of the side plate is provided with a tightening component. When the automatic screw tightening device is used, even horizontal force is automatically applied to the flange in the screwing process, the phenomenon of eccentricity of the short sleeve is prevented, the problem of damage to threads of the short sleeve is avoided, the problem that twelve bolt holes of the flange are difficult to align with twelve fixing columns simultaneously is solved, the phenomenon of flange jacking is avoided, meanwhile, the thread grooves of the automatic short sleeve are cleaned, the screwing process is prevented from being influenced by residual impurities, and the cleaned impurities are prevented from falling into the wellhead sleeve.

Description

Installation device with anti-eccentric function for oilfield christmas tree
Technical Field
The invention relates to the field of oilfield christmas trees, in particular to a mounting device with an anti-decentration function for oilfield christmas trees.
Background
A christmas tree is an assembly located at the opening to the top of a well and includes valves, safety systems and a series of monitoring equipment for measurement and maintenance. The tree connects production and production lines from downhole and acts as an important barrier to the outside environment at the top of the well. It includes a number of valves that can be used to regulate or prevent the flow of produced crude oil vapors, natural gas and liquids out of the well. The tree is connected to the production manifold system by subsea pipelines.
In the prior art, the christmas tree consists of a short sleeve, a flange, a steel ring and a christmas tree body, when the christmas tree body is installed on a wellhead sleeve, the flange needs to be screwed on the upper part of the short sleeve, then the lower part of the short sleeve is screwed on the wellhead sleeve, then the steel ring is placed into a groove on the upper side of the flange, the christmas tree body is installed on the flange through twelve bolts, equipment special for installing the christmas tree is not needed, three to four workers are usually needed to complete the installation work in a matching way, a large amount of manpower resources are consumed, the efficiency is low, meanwhile, when the short sleeve is screwed on the wellhead sleeve manually, one end of a long stress application rod needs to be fixed on the flange, then the other end of the stress application rod is pushed manually, so that the flange drives the short sleeve to rotate, and further the short sleeve is firmly fixed on the wellhead sleeve, the flange is relatively close to the ground in the installation process, even if horizontal force is not applied to the stress application rod manually, the eccentric phenomenon occurs on the short sleeve after the installation is completed, and the thread of the short sleeve is damaged.
Therefore, it is necessary to design a mounting device for an oilfield tree having an anti-decentration function.
Disclosure of Invention
In order to overcome the defect that in the installation process, the flange is close to the ground, and horizontal force cannot be applied to the stressing rod all the time even if the flange is manually squatted down, so that the installed nipple sleeve is eccentric, and the threads of the nipple sleeve are damaged.
The technical scheme is as follows: the utility model provides an installation device that is used for oilfield christmas tree to have anti-eccentric function, including the bottom plate, the curb plate, the balancing weight, prevent the partial subassembly, screw down the subassembly, locating component, fixed subassembly, clearance subassembly and linkage subassembly, the inboard rigid coupling of bottom plate has the curb plate, bottom plate upside left part and upside right part all peg graft and have a plurality of balancing weights, curb plate mid-mounting has and is used for screwing flange and nipple joint sleeve level on the well head sleeve screw down the subassembly, screw down the subassembly upside and install the partial subassembly of preventing that is used for preventing flange jack-up, screw down the locating component that is used for assisting the manual work to fix a position fast to locating component is located partial subassembly top, the fixed subassembly that is used for with nipple joint sleeve fixed is installed to curb plate inner wall rear side, the clearance subassembly that is arranged in the impurity clean up in the nipple joint sleeve thread groove is installed to the curb plate downside, clearance subassembly is located the fixed subassembly below, the linkage subassembly that is used for promoting clearance subassembly motion is installed on clearance subassembly right side, the linkage subassembly is connected with screwing down the subassembly.
The anti-deflection assembly comprises a first support frame, a first motor, a first straight gear, a first linkage ring, a first toothed ring, a first linkage block, a deflector rod, a first L-shaped block, a second L-shaped block, a third L-shaped block, a first limiting rod, a first spring, a first limiting plate and a second spring, wherein the front part of the upper side of the tightening assembly is provided with the first support frame, the upper side of the first support frame is fixedly connected with the first motor, the output end of the first motor is fixedly connected with the first straight gear, the middle part of the upper side of the tightening assembly is rotationally connected with the first linkage ring, the upper part of the outer side of the first linkage ring is fixedly connected with the first toothed ring, the inner side of the first linkage ring is fixedly connected with twelve first linkage blocks in a circular array, the lower part of the outer side of the first linkage ring is fixedly connected with four deflector rods in a circular array, the upper side of the tightening assembly is fixedly connected with four first L-shaped blocks in a circular array, the four first L-shaped blocks are all positioned on the outer side of the first linkage ring, four second L-shaped blocks are fixedly connected to the upper side of the tightening assembly in a circular array, the four second L-shaped blocks are positioned on the outer sides of the four first L-shaped blocks, four third L-shaped blocks are fixedly connected to the upper side of the tightening assembly in a circular array, the four third L-shaped blocks and the four second L-shaped blocks are positioned on the same circular track, a first limiting rod is fixedly connected between each corresponding second L-shaped block and each third L-shaped block, the four first L-shaped blocks are respectively connected with the four first limiting rods in a sliding manner, a first spring is sleeved on each of the four first limiting rods, one end of each first spring is fixedly connected with each third L-shaped block, the other end of each first spring is fixedly connected with each first L-shaped block, twelve first limiting plates are arranged on the upper side of the tightening assembly in a circular array, each first limiting plate is positioned on the inner side of the first coupling ring, two second springs are fixedly connected to the centrifugal ends of each first limiting plate, twenty four second spring centripetal ends are all connected with the tightening assembly.
Further technical scheme, screw up the subassembly including first connecting block, the second connecting block, the lead screw, the second motor, the second linkage ring, the third linkage ring, a limiting cylinder, the fixing screw, the backup pad, fixing nut, fixed column and second linkage piece, curb plate inner wall upside rigid coupling has two first connecting blocks, curb plate inner wall downside rigid coupling has two second connecting blocks, every corresponding first connecting block and second connecting block between rotate and be connected with a lead screw, two first connecting block upside all rigid coupling have a second motor, two second motor output respectively with two lead screw rigid couplings, all connect in rotation on the two lead screw and have a second linkage piece, the rigid coupling has the second linkage ring between two second linkage blocks, the inboard rotation of second linkage ring is connected with the third linkage ring, third linkage ring upside middle part rigid coupling has a limiting cylinder, limiting cylinder downside rigid coupling has four fixing screws, peg graft between every two corresponding fixing screw, four fixing screw downside all connect in rotation have a fixing nut, and fixed nut contact with the backup pad, two backup pads all contact with each other, two second linkage ring, two first and second linkage ring, one side and the second linkage ring is connected with the second side, the first and the second linkage ring is connected with the first and the second side of a L-shaped locating plate, the first and the second linkage ring is connected with the second side, the first and the second linkage ring is connected with the fourth linkage ring, the L-shaped and the second linkage ring is connected with the second linkage ring, the limiting cylinder.
According to a further technical scheme, twelve fixing columns are arranged in a circular array.
Further technical scheme, locating component is including third connecting block, torsion pivot, third linkage piece, second gag lever post and third spring, and limit cylinder outside left part rigid coupling has the third connecting block, and torsion pivot is installed to the third connecting block upside, and torsion pivot middle part rigid coupling has the third linkage piece, and third linkage piece right side sideslip is connected with the second gag lever post, and second gag lever post upside cover is equipped with the third spring, third spring upper end and second gag lever post rigid coupling, third spring lower extreme and third linkage piece rigid coupling.
Further technical scheme, fixed subassembly is including second support frame, the flexible cylinder of third, slider and electric jig, and curb plate inner wall rear side rigid coupling has the second support frame, and the flexible cylinder of third is installed to curb plate inner wall rear side to the flexible end rigid coupling of the flexible cylinder of third is located second support frame top, and slider and second support frame sliding connection, electric jig are installed to the slider front side.
Further technical scheme, the clearance subassembly is including first round bar, the linkage board, the linkage pole, the fourth spring, the shielding plate, the L shaped plate, the fourth linkage ring, the second ring gear, the third motor, the second spur gear, the link, first telescopic cylinder and second round bar, curb plate front side left part rigid coupling has first round bar, it is connected with the linkage board to rotate on the first round bar, linkage board right side sliding connection has the linkage pole, linkage pole upper end rigid coupling has the fourth spring, fourth spring lower extreme and linkage board rigid coupling, linkage pole lower extreme rigid coupling has the shielding plate, the equal rigid coupling of shielding plate upside left part and upside right part has an L shaped plate, sliding connection has the fourth linkage ring between two L shaped plates, fourth linkage ring outside lower part rigid coupling has the second ring gear, shielding plate upside front portion installs the third motor, the output rigid coupling of third motor has the second spur gear, second spur gear meshes with the second ring gear, curb plate left side lower part rigid coupling has the link, link front side rotation is connected with first telescopic cylinder, linkage board upside left side and right side rigid coupling has the second round bar, the second telescopic link is located flexible subassembly rigid coupling with the L shaped plate.
According to a further technical scheme, a circle of bristles is arranged on the inner side wall of the fourth linkage ring.
Further technical scheme, the linkage subassembly is including linkage frame, second limiting plate and fourth L shape piece, and second linkage ring downside right part rigid coupling has the linkage frame, and the linkage frame downside rigid coupling has the second limiting plate, and the upper portion rigid coupling of L shaped plate right side that is located the right side has the fourth L shape piece.
Further technical scheme still includes adjustment subassembly, and adjustment subassembly is installed to the bottom plate upside, and adjustment subassembly is including second flexible cylinder, arc, fourth connecting block, distance sensor and electric wheel, and the bottom plate upside is circular array rigid coupling and has three second flexible cylinder, and three flexible end rigid coupling of second flexible cylinder has the arc, and the inboard rigid coupling of arc has four fourth connecting blocks, and a distance sensor is all installed to four fourth connecting block opposite sides, and arc downside rigid coupling has four electric wheels.
According to a further technical scheme, two through holes are formed in the lower side of the bottom plate at positions close to the two distance sensors located at the rear.
Compared with the prior art, the invention has the following advantages: the flange and the nipple sleeve are manually installed on the wellhead sleeve in a matching manner, human resources are greatly saved, efficiency is improved, even horizontal force is automatically applied to the flange in the screwing process, the nipple sleeve is prevented from being eccentric, the problem that threads of the nipple sleeve are damaged is avoided, the flange is manually and rapidly positioned, the problem that twelve bolt holes of the flange are difficult to align twelve fixing columns simultaneously is solved, the flange is automatically limited and fixed in the screwing process, the phenomenon of flange jacking is avoided, impurities remained in a thread groove of the nipple sleeve are automatically cleaned, the screwing process is prevented from being influenced by the residual impurities, the cleaned impurities are prevented from falling into the wellhead sleeve, automatic fine adjustment of the positions is realized, the flange, the nipple sleeve and the wellhead sleeve are completely aligned, and the problem of installation failure is avoided.
Drawings
FIG. 1 is a schematic view of a first construction of the present invention;
FIG. 2 is a second construction schematic of the present invention;
FIG. 3 is a schematic view of the tightening assembly of the present invention;
FIG. 4 is a cross-sectional view of the tightening assembly of the present invention;
FIG. 5 is a schematic view of the structure of the anti-deviation assembly of the present invention;
FIG. 6 is a schematic view of the positioning assembly of the present invention;
FIG. 7 is a schematic view of the structure of the fixing assembly of the present invention;
FIG. 8 is a schematic view of the cleaning assembly of the present invention;
FIG. 9 is an enlarged view of the invention at A;
FIG. 10 is a schematic structural view of the linkage assembly of the present invention;
FIG. 11 is a first schematic structural view of the adjustment assembly of the present invention;
fig. 12 is a schematic view of a second construction of the adjustment assembly of the present invention.
Wherein the above figures include the following reference numerals: 1-a bottom plate, 2-a side plate, 3-a balancing weight, 201-a first supporting frame, 202-a first motor, 203-a first spur gear, 204-a first linkage ring, 205-a first toothed ring, 206-a first linkage block, 207-a deflector rod, 208-a first L-shaped block, 209-a second L-shaped block, 2010-a third L-shaped block, 2011-a first limit rod, 2012-a first spring, 2013-a first limit plate, 2014-a second spring, 301-a first connecting block, 302-a second connecting block, 303-a screw rod, 304-a second motor, 305-a second linkage ring, 306-a third linkage ring, 307-a limit cylinder, 308-a fixing screw rod, 309-a supporting plate, 3010-a fixing nut, 3011-a fixing column, 3012-a second linkage block, 401-third connecting block, 402-torsion shaft, 403-third linkage block, 404-second limit rod, 405-third spring, 501-second support frame, 502-third telescopic cylinder, 503-slide block, 504-electric clamp, 601-first round rod, 602-linkage plate, 603-linkage rod, 604-fourth spring, 605-shielding plate, 606-L-shaped plate, 607-fourth linkage ring, 608-second toothed ring, 609-third motor, 6010-second straight gear, 6011-connecting frame, 6012-first telescopic cylinder, 6013-second round rod, 701-linkage frame, 702-second limit plate, 703-fourth L-shaped block, 801-second telescopic cylinder, 802-arc plate, 803-fourth connecting block, 804-distance sensor, 805-electric wheel.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
1-10, the installation device with the anti-eccentric function for the oilfield christmas tree comprises a bottom plate 1, a side plate 2, a balancing weight 3, an anti-eccentric component, a tightening component, a positioning component, a fixing component, a cleaning component and a linkage component; the inner side of the bottom plate 1 is welded with a side plate 2; the left part and the right part of the upper side of the bottom plate 1 are respectively inserted with a plurality of balancing weights 3; the middle part of the side plate 2 is provided with a tightening assembly; an anti-deflection assembly is arranged on the upper side of the tightening assembly; the left part of the upper side of the tightening assembly is provided with a positioning assembly, and the positioning assembly is positioned above the deviation preventing assembly; a fixed component is arranged at the rear side of the inner wall of the side plate 2; the cleaning component is arranged on the lower side of the side plate 2 and is positioned below the fixing component; the right side of the cleaning component is provided with a linkage component which is connected with the tightening component.
The anti-deviation assembly comprises a first supporting frame 201, a first motor 202, a first straight gear 203, a first linkage ring 204, a first toothed ring 205, a first linkage block 206, a deflector rod 207, a first L-shaped block 208, a second L-shaped block 209, a third L-shaped block 2010, a first limiting rod 2011, a first spring 2012, a first limiting plate 2013 and a second spring 2014; the front part of the upper side of the tightening assembly is provided with a first supporting frame 201; a first motor 202 is fixedly connected to the upper side of the first support frame 201; the output end of the first motor 202 is fixedly connected with a first straight gear 203; the middle part of the upper side of the tightening assembly is rotatably connected with a first linkage ring 204; a first toothed ring 205 is welded at the upper part of the outer side of the first linkage ring 204; twelve first linkage blocks 206 are welded on the inner side of the first linkage ring 204 in a circular array; four deflector rods 207 are welded on the lower part of the outer side of the first linkage ring 204 in a circular array; four first L-shaped blocks 208 are welded on the upper side of the tightening assembly in a circular array, and the four first L-shaped blocks 208 are all positioned on the outer side of the first linkage ring 204; four second L-shaped blocks 209 are welded on the upper side of the tightening assembly in a circular array, and the four second L-shaped blocks 209 are positioned on the outer sides of the four first L-shaped blocks 208; four third L-shaped blocks 2010 are welded on the upper side of the tightening assembly in a circular array, and the four third L-shaped blocks 2010 and the four second L-shaped blocks 209 are positioned on the same circular track; a first limiting rod 2011 is welded between each corresponding second L-shaped block 209 and third L-shaped block 2010; the four first L-shaped blocks 208 are respectively connected with four first limiting rods 2011 in a sliding manner; a first spring 2012 is sleeved on each of the four first limiting rods 2011, one end of the first spring 2012 is welded with the third L-shaped block 2010, and the other end of the first spring 2012 is welded with the first L-shaped block 208; twelve first limiting plates 2013 are arranged on the upper side of the tightening assembly in a circular array, and the twelve first limiting plates 2013 are positioned on the inner side of the first linkage ring 204; two second springs 2014 are welded at the centrifugal end of each first limiting plate 2013; twenty-four second springs 2014 are connected to the tightening assembly at their centripetal ends.
The tightening assembly comprises a first connecting block 301, a second connecting block 302, a screw rod 303, a second motor 304, a second linkage ring 305, a third linkage ring 306, a limiting cylinder 307, a fixing screw 308, a supporting plate 309, a fixing nut 3010, a fixing column 3011 and a second linkage block 3012; two first connecting blocks 301 are welded on the upper side of the inner wall of the side plate 2; two second connecting blocks 302 are welded on the lower side of the inner wall of the side plate 2; a screw rod 303 is rotatably connected between each corresponding first connecting block 301 and each corresponding second connecting block 302; the upper sides of the two first connecting blocks 301 are fixedly connected with a second motor 304; the output ends of the two second motors 304 are fixedly connected with two screw rods 303 respectively; a second linkage block 3012 is screwed on each of the two screw rods 303; a second linkage ring 305 is welded between the two second linkage blocks 3012; a third linkage ring 306 is rotatably connected to the inner side of the second linkage ring 305; a limiting cylinder 307 is welded in the middle of the upper side of the third movable ring 306; four fixing screws 308 are welded on the lower side of the limiting cylinder 307; a supporting plate 309 is inserted between every two corresponding fixing screws 308; the lower sides of the four fixing screws 308 are respectively screwed with a fixing nut 3010, and the fixing nuts 3010 are contacted with the supporting plate 309; both support plates 309 are in contact with the third snap ring 306; six fixing columns 3011 are welded on the upper sides of the two support plates 309; the upper front part of the second linkage ring 305 is connected with the first supporting frame 201 through bolts; the upper side of the second linkage ring 305 is welded with four second L-shaped blocks 209 and four third L-shaped blocks 2010; the upper side of the third linkage ring 306 is welded with four first L-shaped blocks 208; the middle part of the third linkage ring 306 is rotationally connected with the first linkage ring 204; the middle part of the limiting cylinder 307 is in sliding connection with twelve first limiting plates 2013; the middle part of the outer side of the limiting cylinder 307 is welded with twenty-four second springs 2014; the limiting cylinder 307 is connected with the positioning assembly; twelve fixation posts 3011 are arranged in a circular array.
The positioning assembly comprises a third connecting block 401, a torsion rotating shaft 402, a third linkage block 403, a second limiting rod 404 and a third spring 405; a third connecting block 401 is welded at the left part of the outer side of the limiting cylinder 307; a torsion rotating shaft 402 is arranged on the upper side of the third connecting block 401; a third linkage block 403 is fixedly connected to the middle part of the torsion rotating shaft 402; the right side of the third linkage block 403 is slidingly connected with a second limiting rod 404; a third spring 405 is sleeved on the upper side of the second limiting rod 404; the upper end of the third spring 405 is welded with the second stop lever 404; the lower end of the third spring 405 is welded to the third linkage block 403.
The fixed component comprises a second supporting frame 501, a third telescopic cylinder 502, a sliding block 503 and an electric clamp 504; a second supporting frame 501 is welded on the rear side of the inner wall of the side plate 2; a third telescopic cylinder 502 is arranged on the rear side of the inner wall of the side plate 2, and the third telescopic cylinder 502 is positioned above the second supporting frame 501; a sliding block 503 is fixedly connected to the telescopic end of the third telescopic cylinder 502; the sliding block 503 is in sliding connection with the second supporting frame 501; a motorized pulley 504 is mounted on the front side of the slider 503.
The cleaning component comprises a first round rod 601, a linkage plate 602, a linkage rod 603, a fourth spring 604, a shielding plate 605, an L-shaped plate 606, a fourth linkage ring 607, a second gear ring 608, a third motor 609, a second spur gear 6010, a connecting frame 6011, a first telescopic cylinder 6012 and a second round rod 6013; a first round bar 601 is welded at the left part of the front side of the side plate 2; the first round bar 601 is rotatably connected with a linkage plate 602; a linkage rod 603 is slidingly connected to the right side of the linkage plate 602; the upper end of the linkage rod 603 is welded with a fourth spring 604; the lower end of the fourth spring 604 is welded with the linkage plate 602; a shielding plate 605 is welded at the lower end of the linkage rod 603; an L-shaped plate 606 is welded on the left part and the right part of the upper side of the shielding plate 605; a fourth linkage ring 607 is slidably connected between the two L-shaped plates 606; a second toothed ring 608 is fixedly connected to the lower part of the outer side of the fourth linkage ring 607; a third motor 609 is arranged at the front part of the upper side of the shielding plate 605; the output end of the third motor 609 is fixedly connected with a second spur gear 6010; second spur gear 6010 meshes with second toothed ring 608; the lower part of the left side of the side plate 2 is welded with a connecting frame 6011; the front side of the connecting frame 6011 is rotatably connected with a first telescopic cylinder 6012; a second round bar 6013 is welded at the left part of the upper side of the linkage plate 602; the telescopic end of the first telescopic cylinder 6012 is rotatably connected with the second round rod 6013; the L-shaped plate 606 positioned on the right is connected with the linkage assembly; the fourth linkage ring 607 is provided with a ring of bristles on the inner side wall.
The linkage assembly comprises a linkage frame 701, a second limiting plate 702 and a fourth L-shaped block 703; a linkage frame 701 is welded at the right part of the lower side of the second linkage ring 305; a second limiting plate 702 is welded on the lower side of the linkage frame 701; a fourth L-shaped block 703 is welded to the right upper portion of the right L-shaped plate 606.
When the device is ready to work, the device is placed right above a wellhead sleeve to be installed, the axis of the limiting cylinder 307 is coincided with the axis of the wellhead sleeve, a power supply is connected, the third linkage block 403 is manually pulled to overturn upwards, the second limiting rod 404 is far away from the upper part of the limiting cylinder 307, then the flange is manually placed into the limiting cylinder 307, at the moment, the outer ring surface of the flange is just jointed with the inner wall of the limiting cylinder 307, the flange is positioned above twelve fixing columns 3011, then the third linkage block 403 is manually stopped to be pulled to move, the torsion rotating shaft 402 drives the third linkage block 403 to overturn downwards, the lower end of the second limiting rod 404 contacts the upper side of the flange, the second limiting rod 404 stretches the third spring 405, then the flange is manually pulled to rotate, when the bolt hole of the flange is aligned with the second limiting rod 404, the torsion rotating shaft 402 drives the third linkage block 403 to overturn downwards to return to the original position, the third spring 405 drives the second stop lever 404 to move back to the original position, so that the lower end of the second stop lever 404 is inserted into the flange bolt hole, the second stop lever 404 is aligned with the fixing post 3011 positioned at the left, namely, the flange bolt hole is nearly aligned with the fixing post 3011, then the flange is continuously stirred slowly manually, when a sense of stopping is generated, the flange bolt hole is aligned with the fixing post 3011, then the flange is pushed manually to move downwards, the flange is sleeved on the twelve fixing posts 3011, the lower side of the flange is contacted with the two supporting plates 309, thereby rapidly positioning the flange, solving the problem that twelve bolt holes of the flange are difficult to be aligned with the twelve fixing posts 3011 simultaneously, then the electric clamp 504 is opened, the short sleeve is manually placed into the inner side of the electric clamp 504, then the middle part of the electric clamp 504 clamps the short sleeve, at the moment, the axis of the short sleeve is coincident with the axis of the flange, namely, the axis of the short sleeve, the axis of the flange and the axis of the wellhead sleeve are overlapped, the first motor 202 is started, the first motor 202 drives the first straight gear 203 to rotate, the first straight gear 203 drives the first toothed ring 205 to rotate, the first toothed ring 205 drives the first linkage ring 204 to rotate, the first linkage ring 204 drives the twelve first linkage blocks 206 to perform circular motion, so that the first linkage blocks 206 contact the first limiting plates 2013, the first linkage blocks 206 continue to perform circular motion to push the first limiting plates 2013 to perform centripetal motion, the second springs 2014 are compressed, twelve first limiting plates 2013 perform centripetal motion, at the moment, the lower sides of the centripetal ends of the twelve first limiting plates 2013 simultaneously contact with the upper sides of the flanges, namely, the flanges are fixed on the fixed columns 3011, at the same time, the four deflector rods 207 respectively contact the four first L-shaped blocks 208, the deflector rods 207 perform circular motion to push the first L-shaped blocks 208, the first L-shaped block 208 slides on the first limiting rod 2011 and compresses the first spring 2012, so that the four first L-shaped blocks 208 simultaneously drive the third movable ring 306 to rotate, the third movable ring 306 drives the limiting cylinder 307 to rotate, the limiting cylinder 307 drives the twelve first limiting plates 2013 to perform circular motion, so that the twelve first limiting plates 2013 and the twelve first linkage blocks 206 synchronously perform circular motion, the first linkage blocks 206 always squeeze the first limiting plates 2013, the twelve first limiting plates 2013 are always positioned at a centripetal position to fix the flange, the third movable ring 306 simultaneously drives the four fixing screws 308 to perform circular motion, the four fixing screws 308 drive the two supporting plates 309 to move, the two supporting plates 309 drive the twelve fixing columns 3011 to perform circular motion, the twelve fixing columns 3011 simultaneously drive the flange to perform circular motion, starting two second motors 304, the two second motors 304 respectively drive two screw rods 303 to rotate, the two screw rods 303 respectively drive two second linkage blocks 3012 to rotate, the two second linkage blocks 3012 simultaneously drive the second linkage ring 305 to move downwards, the second linkage ring 305 drives the parts associated with the second linkage block to move downwards, so that the flange moves downwards, namely the flange moves downwards and rotates simultaneously, at the same time, a third motor 609 is started, the third motor 609 drives a second spur gear 6010 to rotate, the second spur gear 6010 drives the second toothed ring 608 to rotate, the second toothed ring 608 drives the fourth linkage ring 607 to rotate, the fourth linkage ring 607 rotates on two L-shaped plates 606, so that the brushes on the inner side wall of the fourth linkage ring 607 clean impurities in the thread grooves on the lower side of the nipple sleeve, the impurities are prevented from affecting the nipple sleeve to be screwed into the wellhead sleeve, the cleaned impurities fall to the upper side of the shielding plate 605, then the impurity from the shielding plate 605 drops to the ground in a conical inclined plane, the removed impurity is prevented from dropping into the wellhead casing, the third motor 609 is turned off, the second linkage ring 305 continues to move downwards, the second linkage ring 305 drives the linkage frame 701 to move downwards, the linkage frame 701 drives the second limiting plate 702 to move downwards to contact the fourth L-shaped block 703, the second limiting plate 702 continues to push the fourth L-shaped block 703 downwards, the fourth L-shaped block 703 drives the right L-shaped plate 606 to move downwards, the L-shaped plate 606 drives the shielding plate 605 to move downwards, the shielding plate 605 drives the linkage rod 603 to slide downwards on the linkage plate 602 and compresses the fourth spring 604, the two L-shaped plates simultaneously drive the fourth linkage ring 607 to move downwards away from the nipple casing, then the first telescopic cylinder 6012 performs telescopic movement, the first telescopic cylinder 6012 pulls the second round rod 6013 to move backwards, the second round bar 6013 pulls the left end of the linkage plate 602 to move backwards, so that the linkage plate 602 swings around the first round bar 601, the linkage plate 602 drives the parts related to the linkage plate 602 to move to the front of the left side of the side plate 2, the shielding plate 605 is far away from the upper side of the wellhead casing, the fourth L-shaped block 703 slides under the second limiting plate 702 in the process, when the fourth L-shaped block 703 is far away from the second limiting plate 702, the fourth spring 604 drives the linkage rod 603 to move upwards to return to the original position, the linkage rod 603 drives the parts related to move upwards to return to the original position, the second linkage ring 305 continues to move downwards, so that the flange is screwed into the upper side of the nipple casing, in the process, the twelve first limiting plates 2013 limit the upper side of the flange, the phenomenon of jacking the flange is avoided, then the electric clamp 504 is automatically opened, the electric clamp 504 stops fixing the nipple casing, then the third telescopic cylinder 502 pushes the sliding block 503 to slide downwards on the second supporting frame 501, the sliding block 503 drives the electric clamp 504 to move downwards, the second linkage ring 305 continues to move downwards, so that the flange drives the nipple sleeve to move downwards, and the flange drives the nipple sleeve to rotate, further, the flange screws the nipple sleeve into the wellhead sleeve, twelve fixing columns 3011 apply uniform horizontal force to the flange in the process, the eccentric phenomenon of the nipple sleeve is prevented, further, the problem of thread damage of the nipple sleeve is avoided, the first motor 202 is closed, four fixing nuts 3010 are manually unscrewed, then the two supporting plates 309 are taken downwards, the two supporting plates 309 drive the twelve fixing columns 3011 to be away from the flange, then the two second motors 304 respectively drive the two screw rods 303 to rotate reversely, the second linkage ring 305 drives parts associated with the second linkage ring 305 to move upwards to be in place, the two second motors 304 are closed, then install backup pad 309 back normal position, realized the cooperation manual work during the use and installed flange and nipple joint sleeve pipe on wellhead sleeve pipe, practice thrift manpower resources greatly, raise the efficiency, and apply even horizontal force to the flange at the in-process of screwing voluntarily, prevent that the nipple joint sleeve pipe from appearing eccentric phenomenon, and then avoided the problem of nipple joint sleeve pipe screw thread damage, the manual work is fixed a position the flange fast to the cooperation simultaneously, the twelve bolt holes of flange are difficult to align twelve fixed columns 3011's problem simultaneously, simultaneously at the in-process of screwing voluntarily spacing fixed to the flange, avoid appearing the flange jack-up phenomenon, simultaneously automatic impurity clean up that will remain in nipple joint sleeve pipe screw groove, avoid remaining impurity to influence the process of screwing, and prevented that the impurity of cleaing away from whereabouts to wellhead sleeve pipe in.
Example 2
On the basis of the embodiment 1, as shown in fig. 1 and 11-12, the electric vehicle further comprises an adjusting component, wherein the adjusting component is arranged on the upper side of the bottom plate 1 and comprises a second telescopic cylinder 801, an arc plate 802, a fourth connecting block 803, a distance sensor 804 and an electric vehicle wheel 805; three second telescopic cylinders 801 are fixedly connected to the upper side of the bottom plate 1 in a circular array; the telescopic ends of the three second telescopic cylinders 801 are fixedly connected with arc plates 802; four fourth connecting blocks 803 are welded on the inner side of the arc plate 802; a distance sensor 804 is installed on the opposite sides of the four fourth connecting blocks 803; four electric wheels 805 are bolted to the underside of the arcuate plate 802.
When the device is placed right above a wellhead sleeve to be installed, the problem that the axis of a limit cylinder 307 is not coincident with the axis of the wellhead sleeve can occur, the flange and the nipple sleeve cannot be aligned with the wellhead sleeve, the installation failure is directly caused, three second telescopic cylinders 801 simultaneously drive an arc plate 802 to move downwards, the arc plate 802 drives four electric wheels 805 to move downwards, the four electric wheels 805 move downwards to contact the ground to jack up a bottom plate 1 upwards, then four distance sensors 804 simultaneously detect the distance of the wellhead sleeve, the offset distance is detected, then the four electric wheels 805 simultaneously drive the arc plate 802 to move, the arc plate 802 drives three second telescopic cylinders 801 to move, the three second telescopic cylinders 801 simultaneously drive the bottom plate 1 to move, and therefore the axis of the limit cylinder 307 is coincident with the axis of the wellhead sleeve, then the three second telescopic cylinders 801 simultaneously drive the arc plate 802 to move upwards, the bottom plate 1 is enabled to contact the ground again, automatic fine adjustment of the position is realized during use, and the problem of installation failure is avoided.
It should be understood that this example is only illustrative of the invention and is not intended to limit the scope of the invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (5)

1. The installation device with the anti-eccentric function for the oilfield christmas tree comprises a bottom plate (1), side plates (2) and a balancing weight (3); a side plate (2) is fixedly connected to the inner side of the bottom plate (1); the left part and the right part of the upper side of the bottom plate (1) are respectively inserted with a plurality of balancing weights (3); the device is characterized by further comprising an anti-deviation assembly, a tightening assembly, a positioning assembly, a fixing assembly, a cleaning assembly and a linkage assembly; the middle part of the side plate (2) is provided with a tightening component for horizontally tightening the flange and the short sleeve on the wellhead sleeve; an anti-deviation assembly for preventing the flange from jacking is arranged on the upper side of the tightening assembly; a positioning component for assisting in manually and rapidly positioning the flange is arranged at the left part of the upper side of the tightening component, and the positioning component is positioned above the deviation preventing component; a fixing component for fixing the short joint sleeve is arranged at the rear side of the inner wall of the side plate (2); the lower side of the side plate (2) is provided with a cleaning component for cleaning impurities in the screw groove of the short section sleeve, and the cleaning component is positioned below the fixing component; the right side of the cleaning component is provided with a linkage component for pushing the cleaning component to move, and the linkage component is connected with the tightening component;
the anti-deviation assembly comprises a first supporting frame (201), a first motor (202), a first straight gear (203), a first linkage ring (204), a first toothed ring (205), a first linkage block (206), a deflector rod (207), a first L-shaped block (208), a second L-shaped block (209), a third L-shaped block (2010), a first limiting rod (2011), a first spring (2012), a first limiting plate (2013) and a second spring (2014); a first supporting frame (201) is arranged at the front part of the upper side of the tightening assembly; a first motor (202) is fixedly connected to the upper side of the first support frame (201); the output end of the first motor (202) is fixedly connected with a first straight gear (203); the middle part of the upper side of the tightening assembly is rotationally connected with a first linkage ring (204); the upper part of the outer side of the first linkage ring (204) is fixedly connected with a first toothed ring (205); twelve first linkage blocks (206) are fixedly connected on the inner side of the first linkage ring (204) in a circular array; four deflector rods (207) are fixedly connected to the lower part of the outer side of the first linkage ring (204) in a circular array; four first L-shaped blocks (208) are fixedly connected to the upper side of the tightening assembly in a circular array, and the four first L-shaped blocks (208) are positioned on the outer side of the first linkage ring (204); four second L-shaped blocks (209) are fixedly connected to the upper side of the tightening assembly in a circular array, and the four second L-shaped blocks (209) are positioned on the outer sides of the four first L-shaped blocks (208); four third L-shaped blocks (2010) are fixedly connected to the upper side of the tightening assembly in a circular array, and the four third L-shaped blocks (2010) and the four second L-shaped blocks (209) are positioned on the same circular track; a first limiting rod (2011) is fixedly connected between each corresponding second L-shaped block (209) and each corresponding third L-shaped block (2010); the four first L-shaped blocks (208) are respectively connected with four first limiting rods (2011) in a sliding manner; a first spring (2012) is sleeved on each of the four first limiting rods (2011), one end of the first spring (2012) is fixedly connected with the third L-shaped block (2010), and the other end of the first spring (2012) is fixedly connected with the first L-shaped block (208); twelve first limiting plates (2013) are arranged on the upper side of the tightening assembly in a circular array, and the twelve first limiting plates (2013) are all positioned on the inner side of the first linkage ring (204); two second springs (2014) are fixedly connected to the centrifugal end of each first limiting plate (2013); twenty four second springs (2014) are connected with the tightening assembly at the centripetal ends;
the screwing assembly comprises a first connecting block (301), a second connecting block (302), a screw rod (303), a second motor (304), a second linkage ring (305), a third linkage ring (306), a limiting cylinder (307), a fixed screw rod (308), a supporting plate (309), a fixed screw cap (3010), a fixed column (3011) and a second linkage block (3012); two first connecting blocks (301) are fixedly connected to the upper side of the inner wall of the side plate (2); two second connecting blocks (302) are fixedly connected to the lower side of the inner wall of the side plate (2); a screw rod (303) is rotatably connected between each corresponding first connecting block (301) and each corresponding second connecting block (302); the upper sides of the two first connecting blocks (301) are fixedly connected with a second motor (304); the output ends of the two second motors (304) are fixedly connected with two screw rods (303) respectively; a second linkage block (3012) is screwed on each of the two screw rods (303); a second linkage ring (305) is fixedly connected between the two second linkage blocks (3012); a third linkage ring (306) is rotatably connected to the inner side of the second linkage ring (305); a limiting cylinder (307) is fixedly connected in the middle of the upper side of the third movable ring (306); four fixing screws (308) are fixedly connected to the lower side of the limiting cylinder (307); a supporting plate (309) is inserted between every two corresponding fixing screws (308); the lower sides of the four fixing screws (308) are respectively screwed with a fixing screw cap (3010), and the fixing screw caps (3010) are contacted with the supporting plate (309); both support plates (309) are in contact with the third snap ring (306); six fixing columns (3011) are fixedly connected to the upper sides of the two support plates (309); the front part of the upper side of the second linkage ring (305) is fixedly connected with the first supporting frame (201); the upper side of the second linkage ring (305) is fixedly connected with four second L-shaped blocks (209) and four third L-shaped blocks (2010); the upper side of the third movable ring (306) is fixedly connected with four first L-shaped blocks (208); the middle part of the third linkage ring (306) is rotationally connected with the first linkage ring (204); the middle part of the limiting cylinder (307) is in sliding connection with twelve first limiting plates (2013); the middle part of the outer side of the limiting cylinder (307) is fixedly connected with twenty-four second springs (2014); the limiting cylinder (307) is connected with the positioning assembly;
the positioning assembly comprises a third connecting block (401), a torsion rotating shaft (402), a third linkage block (403), a second limiting rod (404) and a third spring (405); a third connecting block (401) is fixedly connected to the left part of the outer side of the limiting cylinder (307); a torsion rotating shaft (402) is arranged on the upper side of the third connecting block (401); a third linkage block (403) is fixedly connected to the middle part of the torsion rotating shaft (402); the right side of the third linkage block (403) is in sliding connection with a second limiting rod (404); a third spring (405) is sleeved on the upper side of the second limiting rod (404); the upper end of the third spring (405) is fixedly connected with the second limiting rod (404); the lower end of the third spring (405) is fixedly connected with the third linkage block (403);
the fixing assembly comprises a second supporting frame (501), a third telescopic cylinder (502), a sliding block (503) and an electric clamp (504); a second supporting frame (501) is fixedly connected to the rear side of the inner wall of the side plate (2); a third telescopic cylinder (502) is arranged on the rear side of the inner wall of the side plate (2), and the third telescopic cylinder (502) is positioned above the second supporting frame (501); a sliding block (503) is fixedly connected at the telescopic end of the third telescopic cylinder (502); the sliding block (503) is in sliding connection with the second supporting frame (501); an electric clamp (504) is arranged on the front side of the sliding block (503);
the cleaning assembly comprises a first round rod (601), a linkage plate (602), a linkage rod (603), a fourth spring (604), a shielding plate (605), an L-shaped plate (606), a fourth linkage ring (607), a second toothed ring (608), a third motor (609), a second straight gear (6010), a connecting frame (6011), a first telescopic cylinder (6012) and a second round rod (6013); a first round rod (601) is fixedly connected to the left part of the front side of the side plate (2); a linkage plate (602) is rotatably connected to the first round rod (601); a linkage rod (603) is connected to the right side of the linkage plate (602) in a sliding way; a fourth spring (604) is fixedly connected to the upper end of the linkage rod (603); the lower end of the fourth spring (604) is fixedly connected with the linkage plate (602); a shielding plate (605) is fixedly connected to the lower end of the linkage rod (603); an L-shaped plate (606) is fixedly connected with the left part and the right part of the upper side of the shielding plate (605); a fourth linkage ring (607) is connected between the two L-shaped plates (606) in a sliding way; the lower part of the outer side of the fourth linkage ring (607) is fixedly connected with a second toothed ring (608); a third motor (609) is arranged at the front part of the upper side of the shielding plate (605); the output end of the third motor (609) is fixedly connected with a second spur gear (6010); a second spur gear (6010) is meshed with the second toothed ring (608); the lower part of the left side of the side plate (2) is fixedly connected with a connecting frame (6011); the front side of the connecting frame (6011) is rotatably connected with a first telescopic cylinder (6012); a second round rod (6013) is fixedly connected to the left part of the upper side of the linkage plate (602); the telescopic end of the first telescopic cylinder (6012) is rotationally connected with the second round rod (6013); the L-shaped plate (606) positioned on the right is connected with the linkage assembly;
the linkage assembly comprises a linkage frame (701), a second limiting plate (702) and a fourth L-shaped block (703); a linkage frame (701) is fixedly connected to the right part of the lower side of the second linkage ring (305); a second limiting plate (702) is fixedly connected to the lower side of the linkage frame (701); a fourth L-shaped block (703) is fixedly connected to the upper right side of the right L-shaped plate (606).
2. A mounting device for oilfield christmas tree with anti-decentration function according to claim 1, characterized in that twelve fixing posts (3011) are arranged in a circular array.
3. A mounting arrangement for an oilfield tree having anti-eccentricity as claimed in claim 1, wherein the fourth linkage ring (607) is provided with a ring of bristles on its inner side wall.
4. The mounting device with the anti-eccentric function for the oilfield christmas tree according to claim 1, further comprising an adjusting component, wherein the adjusting component is mounted on the upper side of the bottom plate (1) and comprises a second telescopic cylinder (801), an arc plate (802), a fourth connecting block (803), a distance sensor (804) and an electric wheel (805); three second telescopic cylinders (801) are fixedly connected to the upper side of the bottom plate (1) in a circular array; the telescopic ends of the three second telescopic cylinders (801) are fixedly connected with arc plates (802); four fourth connecting blocks (803) are fixedly connected to the inner side of the arc-shaped plate (802); a distance sensor (804) is arranged on the opposite sides of the four fourth connecting blocks (803); four electric wheels (805) are fixedly connected to the lower side of the arc plate (802).
5. The installation device with the eccentricity preventing function for the oil field tree according to claim 4, wherein the lower side of the bottom plate (1) is provided with two through holes at positions close to two distance sensors (804) positioned at the rear.
CN202210585431.3A 2022-05-27 2022-05-27 Installation device with anti-eccentric function for oilfield christmas tree Active CN114753789B (en)

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CN115977571B (en) * 2022-12-30 2023-11-10 江苏江沅机械有限公司 High-efficiency oil extraction wellhead
CN116950596B (en) * 2023-09-21 2023-12-01 江苏苏盐阀门机械有限公司 Deviation-proof type wellhead testing device
CN118029936B (en) * 2024-03-11 2024-08-30 重庆新泰机械有限责任公司 175MPa superhigh pressure gas production wellhead device

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