CN116641674B - Petroleum casing pipe repairing device with polishing function and repairing method - Google Patents
Petroleum casing pipe repairing device with polishing function and repairing method Download PDFInfo
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- CN116641674B CN116641674B CN202310928560.2A CN202310928560A CN116641674B CN 116641674 B CN116641674 B CN 116641674B CN 202310928560 A CN202310928560 A CN 202310928560A CN 116641674 B CN116641674 B CN 116641674B
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- fixedly connected
- sleeve
- sliding
- plate
- driving motor
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- 238000005498 polishing Methods 0.000 title claims abstract description 49
- 239000003208 petroleum Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 230000008878 coupling Effects 0.000 claims abstract description 40
- 238000010168 coupling process Methods 0.000 claims abstract description 40
- 238000005859 coupling reaction Methods 0.000 claims abstract description 40
- 239000000376 reactant Substances 0.000 claims abstract description 29
- 230000008439 repair process Effects 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims description 107
- 238000005260 corrosion Methods 0.000 claims description 107
- 239000007788 liquid Substances 0.000 claims description 86
- 238000004140 cleaning Methods 0.000 claims description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 239000003832 thermite Substances 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 29
- 238000001125 extrusion Methods 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 14
- 239000002699 waste material Substances 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/10—Reconditioning of well casings, e.g. straightening
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of casing repair, in particular to a petroleum casing repair device with a polishing function and a repair method. Including first carriage, first carriage rigid coupling has first backup pad, first backup pad rigid coupling has first spliced pole, first spliced pole rigid coupling has first sealed shell, one side sliding connection of first sealed shell has first sliding plate, first sliding plate rigid coupling has first arc rack, the opposite side sliding connection of first sealed shell has the second sliding plate, second sliding plate rigid coupling second arc rack, the upside rigid coupling of first backup pad has first connecting plate, first connecting plate rigid coupling has second driving motor, second driving motor's output shaft rigid coupling has the gear with first arc rack and second arc rack meshing. According to the invention, the melted thermit reactant is limited through the sleeve, the first sealing shell, the first sliding plate and the second sliding plate, so that the melted thermit reactant is prevented from flowing to other positions, and the inner diameter of the sleeve is reduced to influence the subsequent work.
Description
Technical Field
The invention relates to the technical field of casing repair, in particular to a petroleum casing repair device with a polishing function and a repair method.
Background
In the exploitation process of oil and gas fields, because the geological environment of the oil field is complex, the condition of corrosion damage of the petroleum casing is often easy to occur, after the petroleum casing is damaged, the production column cannot normally go deep into the well, so that the production efficiency of the oil well is reduced, and the oil well can be directly scrapped when serious.
In the prior art, the damaged part of the sleeve is repaired by utilizing the thermite reaction, and the damaged part of the sleeve is repaired by molten iron generated by the thermite reaction, but when the sleeve is repaired by the thermite reaction, molten iron generated by the thermite reaction flows along the inner wall of the sleeve, so that the position of the sleeve which is not corroded and damaged can be covered by the molten iron, the diameter of the inner wall of the sleeve is reduced, and the damaged position of the sleeve cannot be accurately repaired. And a large amount of thermite reactant is utilized, so that a large amount of thermite reactant is wasted.
Disclosure of Invention
In order to overcome the defects of the prior casing repairing device in the background technology, the invention provides a petroleum casing repairing device with a polishing function and a repairing method.
The technical scheme of the invention is as follows: the utility model provides a petroleum casing pipe prosthetic devices with function of polishing, including the connecting rod, the lower extreme rotation of connecting rod is connected with the bracing piece, one side rigid coupling of connecting rod has first driving motor, the upper portion of bracing piece and the output shaft of first driving motor pass through gear drive, the bracing piece rigid coupling has first fixed plate, first fixed plate is provided with symmetrical spout, sliding connection has first carriage in the spout of first fixed plate, the upside rigid coupling of first fixed plate has first telescopic link, the flexible end and the first carriage rigid coupling of first telescopic link, the downside rigid coupling of first carriage has first backup pad, first backup pad rigid coupling has first spliced pole, first spliced pole rigid coupling has first seal shell, first seal shell is used for covering the corrosion area of sleeve pipe, one side sliding connection of first seal shell has first sliding plate, the upper end rigid coupling of first sliding plate has first arc rack, the opposite side sliding connection of first seal shell has the second sliding plate, the upper end rigid coupling of second sliding plate has the second arc rack, the upside rigid coupling of first backup pad has first connecting rod, the rigid coupling of first motor rigid coupling has the second connecting rod, the second connecting plate is used for the corrosion area to the first centering mechanism of the first centering plate, the corrosion solution is used for pouring the area, the second centering and is used for pouring the corrosion area, the first centering mechanism is set up to the corrosion solution, the first centering mechanism is used for pouring the corrosion area, the first centering mechanism has, the second centering mechanism has the second centering mechanism, and has the second supporting plate, and has the second centering mechanism, and has the first supporting plate and a first supporting plate, and a supporting plate and a position;
The liquid injection assembly comprises symmetrically distributed fixing rods, the symmetrically distributed fixing rods are fixedly connected to the upper sides of the adjacent first sliding frames respectively, chemical reaction boxes are connected between the symmetrically distributed fixing rods in a sliding mode, the chemical reaction boxes are provided with ignition devices, the first fixing plates are fixedly connected with second telescopic rods, telescopic ends of the second telescopic rods are fixedly connected with the chemical reaction boxes through mounting plates, guide pipes are communicated with the lower sides of the chemical reaction boxes, the guide pipes are used for guiding reacted chemical substances, and the lower ends of the guide pipes penetrate into the first sealing shells.
Further stated, the first sealing shell is made of high-temperature resistant materials, so that the tightness between the first sealing shell and the sleeve is improved.
Further stated, the centering supporting mechanism comprises a symmetrically distributed threaded rod, a hollow cavity is arranged in the middle of the supporting rod, the symmetrically distributed threaded rods are respectively connected to the upper side and the lower side of the hollow cavity of the supporting rod in a rotating mode, the threaded directions of the threaded rods of the upper portion and the lower portion are opposite, a double-head motor is fixedly connected in the hollow cavity of the supporting rod, two output shafts of the double-head motor are respectively fixedly connected with the threaded rods on the same side, fixing rings are fixedly connected to the upper portion and the lower portion of the supporting rod respectively, the fixing rings are hinged to circumferentially equidistant supporting columns, extrusion blocks are arranged at the outer ends of the supporting columns, sliding grooves are respectively formed in the upper portion and the lower portion of the supporting rod, sliding rings are connected in the sliding grooves of the supporting rod in a sliding mode and are in threaded connection with the adjacent threaded rods, and circumferentially equidistant second connecting columns are hinged to the second connecting columns.
The cleaning device comprises a supporting rod, a corrosion surface cleaning mechanism, a second fixing plate, a second sliding frame, a third arc-shaped rack, a second supporting plate, a third connecting column, a second sealing shell, a second connecting plate, a second arc-shaped rack, a second driving assembly, a third arc-shaped rack, a cleaning assembly and a cleaning assembly, wherein the corrosion surface cleaning mechanism is used for cleaning a corrosion area, the corrosion surface cleaning mechanism is arranged on the supporting rod, the corrosion surface cleaning mechanism is used for cleaning the corrosion area and comprises a second fixing plate, the second fixing plate is fixedly connected to the supporting rod and is located on the lower side of the first fixing plate, the second fixing plate is provided with a sliding groove, the sliding groove is slidably connected to the second sliding frame in the sliding groove of the second fixing plate, the third arc-shaped rack is fixedly connected to the upper side of the second fixing plate, the telescopic end of the third telescopic rod is fixedly connected with the second arc-shaped rack, the second supporting plate is fixedly connected to the third connecting column is fixedly connected to the upper side of the second sliding frame, the third connecting plate is fixedly connected to the third connecting column, the third connecting column is fixedly connected to the third sealing plate is fixedly connected to the third arc-shaped rack, the second sealing plate is used for covering the corrosion area of a sleeve, the lower side of the second fixing plate is fixedly connected to the second sealing plate, a waste liquid collecting box is used for collecting waste liquid is fixedly connected to the waste liquid, one side of the cleaning assembly is communicated with the second arc-shaped plate is fixedly connected to the second sealing plate is fixedly connected to the second connecting plate, and is fixedly connected to the second connecting plate and is communicated with the third connecting plate.
Further, the outer edge of the second sealing shell is provided with a sealing ring for increasing the tightness between the second sealing shell and the sleeve.
Further stated, the cleaning component comprises a water guide pipe, the water guide pipe is connected with the second connecting plate in a sliding manner, teeth are arranged on one side of the water guide pipe, a fourth driving motor is arranged on one side of the second connecting plate, an output shaft of the fourth driving motor is fixedly connected with a gear meshed with the teeth of the water guide pipe, a liquid storage tank is fixedly connected to the upper side of the first fixing plate and is provided with two cavities, cleaning liquid and clean water are filled in the two cavities of the liquid storage tank respectively, a conveying pump is arranged in the cavities of the liquid storage tank, a four-way pipe is communicated with the lower portion of the liquid storage tank, two pipe columns of the four-way pipe are communicated with the conveying pump in the two cavities of the liquid storage tank respectively, a hose is communicated with the water guide pipe, a blower is communicated with the four-way pipe, and one-way valves are arranged on the pipe columns communicated with the liquid storage tank and the blower respectively.
Further stated, the lower end of the water guide pipe is fixedly connected with a fan-shaped spray head, and the fan-shaped spray head of the water guide pipe is used for increasing the flushing area of the cleaning liquid and the water.
Further, still include the grinding machanism that is used for polishing the clearance to the repair face, the polisher constructs and sets up in the bracing piece, repair face grinding machanism is including rotating the cover, it rotates to connect in the bracing piece to rotate the cover, it is located between first fixed plate and the second fixed plate to rotate the cover, the outside of rotating the cover is provided with the spline, fifth driving motor is installed to one side of second fixed plate, the downside of rotating the cover and the output shaft of fifth driving motor all install the gear, fifth driving motor passes through gear transmission with the cover that rotates, the upside spline connection of rotating the cover has the slip cap, the slip cap rotates and is connected with the swivel ring, first fixed plate rigid coupling has the fourth telescopic link, the flexible end and the swivel ring rigid coupling of fourth telescopic link, one side rigid coupling of slip cap has electric telescopic frame, electric telescopic frame's flexible end rotates and is connected with electric grinding wheel.
Further described, a method for repairing a petroleum casing pipe by using a petroleum casing pipe repairing device with a polishing function comprises the following steps:
s1: the method comprises the steps that a worker firstly puts a plugging collar into a sleeve, a layer of fine sand is coated on the upper side of the plugging collar, then the repairing device is put into the sleeve, after the repairing device moves to a specified position of the sleeve, the worker starts a first driving motor, and the position of a second sealing shell is regulated by an output shaft of the first driving motor through a gear;
s2: starting the double-headed motor, wherein two output shafts of the double-headed motor respectively drive the threaded rods to rotate, so that sliding rings at the upper part and the lower part are far away from each other to move, the extrusion block is extruded and fixed on the inner wall of the sleeve, the support rod is fixed, and the double-headed motor is closed after the support rod is fixed;
s3: covering the second sealing shell on the corrosion area of the sleeve, and cleaning oxide and sand stone of the corrosion area through cleaning liquid, clean water and air;
s4: after the corrosion area is cleaned, starting the double-headed motor, wherein two output shafts of the double-headed motor respectively drive the threaded rods to rotate, so that sliding rings at the upper part and the lower part are moved close to each other, the extrusion block is far away from and fixed on the inner wall of the sleeve, and the fixation of the support rod is released;
S5: starting a first driving motor, driving a first sealing shell to rotate by a supporting rod, enabling the first sealing shell to be adjusted to the position of a corrosion area, repeating the step S2, attaching the first sealing shell to the inner wall of a sleeve, and repairing the corrosion area by the melted thermit reactant flowing into the first sealing shell through the thermit reactant in the chemical reaction box;
s6: after the corrosion area is repaired, the first sealing shell is far away from the sleeve, the step S4 is repeated, the supporting rod is driven to rotate through the first driving motor again, the electric polishing wheel is enabled to move to the corrosion area, the repaired corrosion area is polished through the electric polishing wheel, the electric polishing wheel is reset after the sleeve is polished, the step S4 is repeated, the connecting rod is lifted, and the repairing device is taken out from the sleeve.
Compared with the prior art, the invention has the following advantages:
1. fix the bracing piece through the extrusion piece, avoid taking place to rock at the in-process bracing piece that restores the corrosion area, lead to reducing the effect of restoring the corrosion area.
2. The melted thermite reactant is limited through the sleeve, the first sealing shell, the first sliding plate and the second sliding plate, and the melted thermite reactant is prevented from flowing to other positions, so that the inner diameter of the sleeve is reduced to influence the follow-up work.
3. The cleaning liquid sprayed out of the lower end of the water guide pipe cleans oxide and sand in the corrosion area, the cleaning liquid decomposes the oxide in the corrosion area, and the condition that the repaired sleeve is corroded continuously from the inside due to the oxide in the corrosion area after the repair of the corrosion area is completed is avoided, so that the service life of the sleeve is reduced.
4. And the residual cleaning liquid is cleaned by the clean water, so that the cleaning liquid is prevented from being remained in the corrosion area, and the sleeve is prevented from being corroded by the cleaning liquid.
5. Air flows along the hose and the water guide pipe to clean residual moisture in the corrosion area, so that the residual moisture in the corrosion area is avoided, and the repairing effect on the corrosion area is reduced.
6. The electric polishing wheel polishes the thermite reactant which is repaired in the corrosion area after cooling, and the repair part of the corrosion area is polished smoothly, so that the sleeve can be repaired and polished after the repairing device is put into the sleeve once, and the repairing efficiency of the repairing device on the sleeve is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic rear perspective view of the present invention.
Fig. 3 is a schematic rear perspective view of the liquid injection assembly of the present invention.
Fig. 4 is a schematic side perspective view of the first seal case of the present invention.
Fig. 5 is a schematic perspective view of the centering support mechanism of the present invention.
Fig. 6 is a schematic view of the lower part of the centering support mechanism of the present invention.
Fig. 7 is a schematic perspective view of the etched surface cleaning mechanism of the present invention.
Fig. 8 is a schematic side perspective view of the etched surface cleaning mechanism of the present invention.
Fig. 9 is an enlarged perspective view of the present invention at a.
Fig. 10 is a schematic perspective view of the liquid storage tank and the four-way pipe of the present invention.
Fig. 11 is a schematic side perspective view of the grinding mechanism of the present invention.
Fig. 12 is a schematic cross-sectional perspective view of the rotating sleeve of the present invention.
Wherein the above figures include the following reference numerals: 1. a sleeve, 2, a corrosion area, 301, a connecting rod, 302, a support rod, 303, a first driving motor, 304, a first fixing plate, 305, a first sliding frame, 306, a first telescopic rod, 307, a first support plate, 308, a first connecting column, 309, a first sealing shell, 310, a first sliding plate, 311, a first arc-shaped rack, 312, a second sliding plate, 313, a second arc-shaped rack, 314, a first connecting plate, 315, a second driving motor, 316, a fixing rod, 317, a chemical reaction box, 318, an ignition device, 319, a second telescopic rod, 320, a guide tube, 401, a threaded rod, 402, a double-headed motor, 403, a fixing ring, 404, a support column, 405, an extrusion block, 406, a sliding ring, 407, second connecting column, 501, second fixing plate, 502, second sliding frame, 503, third telescopic rod, 504, second supporting plate, 505, third connecting column, 506, second sealing shell, 5061, waste liquid collecting box, 507, third sliding plate, 508, third arc rack, 509, fourth sliding plate, 510, fourth arc rack, 511, second connecting plate, 512, third driving motor, 513, water guide pipe, 514, fourth driving motor, 515, liquid storing box, 516, four-way pipe, 517, hose, 518, blower, 601, rotating sleeve, 602, fifth driving motor, 603, sliding sleeve, 604, rotating ring, 605, fourth telescopic rod, 606, electric telescopic frame, 607, electric grinding wheel.
Detailed Description
It should be noted that in the various embodiments described, identical components are provided with identical reference numerals or identical component names, wherein the disclosure contained throughout the description can be transferred in a meaning to identical components having identical reference numerals or identical component names. The position specification, upper, lower, lateral, etc. selected in the description are also referred to directly in the description and the figures shown and are transferred in the sense of a new position when the position is changed.
Example 1: 1-12, including the connecting rod 301, the lower extreme rotation of connecting rod 301 is connected with the bracing piece 302, the right side rigid coupling of connecting rod 301 has first driving motor 303, the upper portion of bracing piece 302 and the output shaft of first driving motor 303 pass through gear drive, the bracing piece 302 rigid coupling has first fixed plate 304, first fixed plate 304 is provided with symmetrical spout, sliding connection has first carriage 305 in the spout of first fixed plate 304, the upside rigid coupling of first fixed plate 304 has first telescopic link 306, the flexible end and the rigid coupling of first carriage 305 of first telescopic link 306, first telescopic link 306 is used for promoting the part on first carriage 305 and the side-to-side slip along the spout of first fixed plate 304, the downside rigid coupling of first carriage 305 has first backup pad 307, first backup pad rigid coupling has first spliced pole 308, the first connecting column 308 is fixedly connected with a first sealing shell 309, the first sealing shell 309 is made of high-temperature resistant elastic metal, the sealing performance between the first sealing shell 309 and the sleeve 1 is improved, the first sealing shell 309 is used for covering the corrosion area 2 of the sleeve 1, the front side of the first sealing shell 309 is connected with a first sliding plate 310, the upper end of the first sliding plate 310 is fixedly connected with a first arc-shaped rack 311, the rear side of the first sealing shell 309 is connected with a second sliding plate 312, the first sliding plate 310 and the second sliding plate 312 are both connected in an upper arc-shaped chute of the first sealing shell 309 in a sliding manner, (the upper chute of the first sealing shell 309 is disclosed in fig. 4), the first sliding plate 310 and the second sliding plate 312 both move along the arc-shaped surface of the first sealing shell 309 under the limiting action of the upper chute of the first sealing shell 309, the upper end rigid coupling second arc rack 313 of second sliding plate 312 carries out spacingly through sleeve pipe 1, first sealed shell 309, first sliding plate 310 and second sliding plate 312 to the thermite reactant after melting, prevent that the thermite reactant after melting from flowing to other positions, lead to sleeve pipe 1 internal diameter diminish to influence follow-up work, the upside rigid coupling of first backup pad 307 has first connecting plate 314, first connecting plate 314 rigid coupling has second driving motor 315, the output shaft rigid coupling of second driving motor 315 has the gear with first arc rack 311 and second arc rack 313 meshing, change the distance between first sliding plate 310 and the second sliding plate 312 according to the width of corrosion region 2, repair corrosion region 2, the upside of first fixed plate 304 is provided with annotates the liquid subassembly, annotate the liquid subassembly and be used for pouring the reactant to corrosion region 2, repair corrosion region 2, bracing piece 302 is provided with centering supporting mechanism, centering supporting mechanism is used for fixing bracing piece 302.
As shown in fig. 2 and 3, the injection assembly includes two fixing rods 316, the two fixing rods 316 are fixedly connected to the upper sides of the adjacent first sliding frames 305 respectively, a chemical reaction box 317 is slidably connected between the two fixing rods 316, an ignition device 318 is mounted on the chemical reaction box 317, the ignition device 318 transfers heat to the chemical reaction box 317 to trigger chemical reaction in the chemical reaction box 317 to perform chemical reaction, repairing is performed on the defect, the chemical reagent in the chemical reaction box 317 is a thermite reagent, the thermite reagent in the chemical reaction box 317 melts, the melted thermite reagent flows downwards along a guide tube 320, a second telescopic rod 319 is fixedly connected to the first fixing plate 304, a telescopic end of the second telescopic rod 319 is fixedly connected with the chemical reaction box 317 through a mounting plate, the second telescopic rod is used for driving the chemical reaction box 317 and upper parts thereof to slide up and down along the two fixing rods 316, so that the melted thermite reagent uniformly flows into a cavity between the sleeve 1, the first sealing shell 309, the first sliding plate 310 and the second sliding plate 312, the melted thermite reagent flows down along the guide tube 320, and the guide tube 320 is connected to the lower guide tube 320, and the melted thermite reagent flows into the guide tube 320.
As shown in fig. 5 and 6, the centering support mechanism includes two threaded rods 401, a hollow cavity is disposed in the middle of the support rod 302, the two threaded rods 401 are respectively connected to the upper and lower sides of the hollow cavity of the support rod 302 in a rotating manner, the two threaded rods 401 are in opposite directions, a double-headed motor 402 is fixedly connected in the hollow cavity of the support rod 302, two output shafts of the double-headed motor 402 are respectively fixedly connected with the threaded rods 401 on the same side, a fixing ring 403 is fixedly connected to the upper and lower parts of the support rod 302, four support columns 404 are hinged to the fixing ring 403, extrusion blocks 405 are mounted at the outer ends of the support columns 404, the four support columns 404 respectively drive adjacent extrusion blocks 405 to extrude on the inner wall of the sleeve 1, so that the central axis of the support rod 302 coincides with the central axis of the sleeve 1, sliding grooves are formed in the upper and lower parts of the support rod 302, sliding rings 406 are connected with the sliding rings 406 in a sliding manner with the adjacent threaded rods 401 in a sliding manner, the sliding rings 406 are hinged with four second connecting columns 407, the second connecting columns 407 are hinged to the adjacent support columns 404, and simultaneously, the support rod 302 are fixedly connected with the fixing rings 405, and the support rod 302 are prevented from corroding area 2 in the repairing process.
When the device is used, a worker firstly drops into the sleeve 1 to be used for bearing the plugging collar of molten iron, a layer of fine sand is coated on the upper side of the plugging collar, the worker places the repairing device into the sleeve 1, after the repairing device reaches a designated position, the connecting rod 301 stops moving downwards, the worker then starts the first driving motor 303, the output shaft of the first driving motor 303 drives the supporting rod 302 to rotate circumferentially through a gear, the position of the first sealing shell 309 is adjusted, the first sealing shell 309 is made to be opposite to the corrosion area 2, the worker subsequently closes the first driving motor 303, meanwhile, the worker starts the double-headed motor 402, two output shafts of the double-headed motor 402 respectively drive the connected shafts 401 to rotate circumferentially, the two sliding rings 401 drive the sliding rings 406 at the upper part and the lower part to move away from each other, the sliding rings 406 move towards the fixed ring 403 at the same side, the fixed ring 403 drive the supporting columns 404 to move through the second connecting columns 407, the supporting columns 404 rotate along the fixed rings 403, the supporting columns 404 drive the extruding blocks 405 on the supporting columns to drive the supporting columns to approach the sleeve 1, the extruding blocks 405 extrude the supporting rods to the inner wall of the sleeve 1, the supporting rods 302 to coincide with the central axes of the supporting rods 302, and the central axes of the supporting rods 302 are made to coincide with the central axes of the supporting rods 302, and the double-headed motor 302 are prevented from being coincident with the central axes of the supporting rods 302, and the double-headed by the double-headed motor 302 is simultaneously, and the double-headed motor 302 is prevented from being corroded and fixed in the process 2 is closed, and the double-headed by the repairing shaft 302 is avoided, and the repairing process is finished.
The staff then starts the second driving motor 315, the output shaft of the second driving motor 315 drives the gear on it to rotate, the gear of the output shaft of the second driving motor 315 drives the first arc rack 311 and the second arc rack 313 to be close to each other, the first arc rack 311 and the second arc rack 313 drive the first sliding plate 310 and the second sliding plate 312 to be close to each other respectively and move, the staff adjusts the distance between the first sliding plate 310 and the second sliding plate 312 according to the width of the corrosion area 2, after the first sliding plate 310 and the second sliding plate 312 reach the appointed position, the staff closes the second driving motor 315, the staff starts the first telescopic rod 306, the telescopic end of the first telescopic rod 306 drives the first sliding frame 305 to be close to the corrosion area 2, the first sliding frame 305 drives the parts on the first sliding frame 305 to be close to the inner wall of the sleeve 1 until the first sealing shell 309 is attached to the inner wall of the sleeve 1, the first sealing shell 309 covers the corrosion area 2 at this time, and the staff subsequently closes the first telescopic rod 306.
When the first sealing shell 309 is attached to the inner wall of the sleeve 1, the operator starts the ignition device 318, after the ignition device 318 is started, the thermite reactant in the chemical reaction chamber 317 reacts, the thermite reactant in the chemical reaction chamber 317 melts, the melted thermite reactant flows down along the guide tube 320, the melted thermite reactant flows into the cavity between the sleeve 1, the first sealing shell 309, the first sliding plate 310 and the second sliding plate 312, the melted thermite reactant flows into the corrosion area 2, and the melted thermite reactant is limited by the sleeve 1, the first sealing shell 309, the first sliding plate 310 and the second sliding plate 312, so that the melted thermite reactant is prevented from flowing to other positions, and the inner diameter of the sleeve 1 is reduced to affect the subsequent work.
In the process that the melted thermite reactant flows along the guide pipe 320, a worker starts the second telescopic rod 319 at the same time, the telescopic end of the second telescopic rod 319 drives the chemical reaction tank 317 and the guide pipe 320 to move upwards, when the lower end of the guide pipe 320 moves upwards, the melted thermite reactant uniformly flows into the cavity among the sleeve 1, the first sealing shell 309, the first sliding plate 312 and the second sliding plate 312, the repairing effect of the melted thermite reactant on the corrosion area 2 is improved, after the melted thermite reactant fills the corrosion area 2, one end time passes after the completion of filling the corrosion area 2, the thermite reactant filled in the corrosion area 2 is cooled and solidified, so that the corrosion area 2 is repaired through the thermite reactant, the worker starts the first telescopic rod 306 later, the telescopic end of the first telescopic rod 306 drives the first sliding frame 305 to reset, the worker closes the first telescopic rod 306, after the first sealing shell 309 resets, the worker starts the second driving motor 315, the first sliding plate 310 and the second sliding plate 312 reset, and the worker closes the second driving motor 315.
The staff restarts the double-end motor 402, the output shaft of the double-end motor 402 drives the threaded rod 401 of the upper portion and the lower portion to reversely rotate, the sliding ring 406 of the upper portion and the lower portion is reset, the extrusion block 405 is far away from the inner wall of the sleeve 1, the fixing of the supporting rod 302 is released, then the connecting rod 301 is lifted up to enable the repairing device to be taken out of the sleeve 1, the plugging sleeve ring is taken out of the sleeve 1, then a polishing device is put into the sleeve 1, the polishing device polishes and cleans the inner wall of the sleeve 1, and the polishing device is taken out of the sleeve 1 after the cleaning is finished.
Example 2: on the basis of embodiment 1, as shown in fig. 7-10, the device further comprises a corrosion surface cleaning mechanism for cleaning the corrosion area 2, the corrosion surface cleaning mechanism is arranged on the supporting rod 302, the corrosion surface cleaning mechanism comprises a second fixing plate 501, the second fixing plate 501 is fixedly connected to the supporting rod 302, the second fixing plate 501 is positioned at the lower side of the first fixing plate 304, the second fixing plate 501 is provided with a sliding groove, a second sliding frame 502 is slidingly connected in the sliding groove of the second fixing plate 501, a third telescopic rod 503 is fixedly connected at the upper side of the second fixing plate 501, the telescopic end of the third telescopic rod 503 is fixedly connected with the second sliding frame 502, the third telescopic rod 503 is used for driving the second sliding frame 502 and parts thereon to move left and right along the sliding groove of the second fixing plate 501, a second supporting plate 504 is fixedly connected at the upper side of the second sliding frame 502, a third connecting column 505 is fixedly connected at the second supporting plate 504, the third connecting column 505 is fixedly connected with a second sealing shell 506, a sealing ring is arranged at the outer edge of the second sealing shell 506 and used for increasing the tightness between the second sealing shell 506 and the sleeve 1, the cleaning liquid flowing downwards is used for preventing the cleaning liquid from flowing outwards, so that the cleaning liquid corrodes other positions of the sleeve 1, the second sealing shell 506 is used for covering the corrosion area 2 of the sleeve 1, the lower side of the second fixing plate 501 is fixedly connected with a waste liquid collecting box 5061 used for collecting waste liquid, the waste liquid collecting box 5061 is communicated with the lower side of the second sealing shell 506 through a telescopic pipe, the rear side of the second sealing shell 506 is slidably connected with a third sliding plate 507, the upper end of the third sliding plate 507 is fixedly connected with a third arc-shaped rack 508, the front side of the second sealing shell 506 is slidably connected with a fourth sliding plate 509, the third sliding plate 507 and the fourth sliding plate 509 are slidably connected in an arc-shaped chute at the upper side of the second sealing shell 506, (the arc chute of the second sealed housing 506 is disclosed in fig. 8), the third sliding plate 507 and the fourth sliding plate 509 move along the arc surface of the second sealed housing 506 under the limiting action of the chute on the upper side of the second sealed housing 506, the fourth arc rack 510 is fixedly connected to the upper end of the fourth sliding plate 509, the second connecting plate 511 is fixedly connected to the second supporting plate 504, the third driving motor 512 is fixedly connected to the second connecting plate 511, the gear meshed with the third arc rack 508 and the fourth arc rack 510 is fixedly connected to the output shaft of the third driving motor 512, and the cleaning assembly is arranged on the upper side of the first fixing plate 304 and is used for uniformly cleaning impurities in the corrosion area 2.
As shown in fig. 8-10, the cleaning assembly comprises a water guide pipe 513, the water guide pipe 513 is slidably connected to a second connecting plate 511, teeth are arranged on the front side of the water guide pipe 513, a fourth driving motor 514 is arranged on the left side of the second connecting plate 511, a gear meshed with the teeth of the water guide pipe 513 is fixedly connected to an output shaft of the fourth driving motor 514, a liquid storage tank 515 is fixedly connected to the upper side of the first fixing plate 304, two cavities are respectively filled with cleaning liquid and clean water in the two cavities of the liquid storage tank 515, a fan-shaped spray head is fixedly connected to the lower end of the water guide pipe 513, the fan-shaped spray head of the water guide pipe 513 is used for increasing the flushing area of the cleaning liquid and the water, the cleaning effect of the cleaning liquid and the water on the corrosion area 2 is improved, conveying pumps are arranged in the cavities of the liquid storage tank 515, a four-way pipe 516 is communicated to the lower portion of the liquid storage tank 515, two pipe columns of the four-way pipe 516 are respectively communicated with the conveying pumps in the two cavities of the liquid storage tank 515, the flexible pipe 517 is communicated with the water guide pipe 513, the cleaning liquid is communicated with the liquid storage tank 515, the cleaning liquid is fully communicated with the cleaning liquid storage tank 513, the cleaning liquid is fully communicated with the oxide decomposition area in the corrosion area 2, and the cleaning liquid is fully communicated with the cleaning liquid is further communicated with the cleaning liquid storage tank 518, and the cleaning liquid is fully communicated with the cleaning liquid storage tank 516.
When the repairing device reaches a designated position, a worker starts the first driving motor 303, an output shaft of the first driving motor 303 drives the supporting rod 302 through a gear, the position of the second sealing shell 506 is adjusted, the second sealing shell 506 faces the corrosion area 2, the worker starts the third driving motor 512, an output shaft of the third driving motor 512 drives the third arc-shaped rack 508 and the fourth arc-shaped rack 510 to move close to each other through the gear, the third arc-shaped rack 508 and the fourth arc-shaped rack 510 respectively drive the third sliding plate 507 and the fourth sliding plate 509 to move close to each other, the worker adjusts the distance between the third sliding plate 507 and the fourth sliding plate 509 according to the width of the corrosion area 2, when the third sliding plate 507 and the fourth sliding plate 509 reach the designated position, the worker closes the third driving motor 512, and simultaneously the worker starts the third telescopic link 503, the telescopic end of the third telescopic rod 503 drives the second sliding frame 502 to move towards the corrosion area 2, the second sliding frame 502 drives the parts on the second supporting plate 504 to move towards the direction close to the inner wall of the sleeve 1, then the second sealing shell 506 is attached to the inner wall of the sleeve 1, the second sealing shell 506 covers the corrosion area 2, a worker then starts a conveying pump in a cleaning liquid cavity in the liquid storage tank 515, so that the cleaning liquid in the liquid storage tank 515 enters the four-way pipe 516 and flows along the hose 517 and the water guide pipe 513, the cleaning liquid is sprayed out through an arc-shaped spray head at the lower end of the water guide pipe 513, the worker starts the fourth driving motor 514, the output shaft of the fourth driving motor 514 drives the water guide pipe 513 to move downwards through a gear, so that the cleaning liquid sprayed out from the lower end of the water guide pipe 513 cleans oxides and sand in the corrosion area 2, the cleaning liquid decomposes oxides in the corrosion area 2, after the corrosion area 2 is completely repaired, the repaired sleeve 1 is prevented from being corroded continuously due to the oxide in the corrosion area 2, so that the service life of the sleeve 1 is reduced.
The cleaning liquid flows downwards along the corrosion area 2 and flows into the waste liquid collecting box 5061 through the telescopic pipe to be collected, the cleaning liquid is prevented from flowing to other positions of the sleeve 1, the cleaning liquid is prevented from corroding other positions of the sleeve 1, the staff controls the output shaft of the fourth driving motor 514, the output shaft of the fourth driving motor 514 reverses, the water guide pipe 513 moves upwards to reset, the conveying pump in the cleaning liquid cavity in the liquid storage box 515 is closed, the conveying pump in the clean water cavity in the liquid storage box 515 is started, the clean water flows along the four-way pipe 516, the hose 517 and the water guide pipe 513, the clean water is sprayed out from the fan-shaped spray head at the lower end of the water guide pipe 513, the output shaft of the fourth driving motor 514 drives the water guide pipe 513 to move downwards through the gear, the cleaning liquid remained on the inner wall of the sleeve 1 is cleaned through the clean water, the clean water flowing downwards flows into the waste liquid collecting box 5061 along the telescopic pipe to be collected, the residual cleaning liquid is cleaned through clean water, the cleaning liquid is prevented from remaining in the corrosion area 2, the cleaning liquid is caused to corrode the sleeve 1, then the operation is repeated, the water guide pipe 513 is moved upwards to reset, meanwhile, a worker closes a conveying pump in a clean water cavity in the liquid storage tank 515, meanwhile, the worker starts a blower 518, the blower 518 blows air into the four-way pipe 516 and the hose 517, the air flows along the hose 517 and the water guide pipe 513, the flowing air cleans residual moisture in the corrosion area 2, meanwhile, the fourth driving motor 514 is started, the fourth driving motor 514 drives the water guide pipe 513 to move up and down, air sprayed out from a fan-shaped spray head at the lower end of the water guide pipe 513 cleans the residual moisture in the corrosion area 2, the residual moisture in the corrosion area 2 is avoided, the repairing effect on the corrosion area 2 is reduced, the worker turns off the blower 518 and simultaneously, by controlling the output shaft of the fourth driving motor 514, the water guide pipe 513 is moved upward to be reset, and then the worker turns off the fourth driving motor 514 and starts the third telescopic rod 503, and the telescopic end of the third telescopic rod 503 drives the second sliding frame 502 and the upper parts thereof to be reset.
After the second carriage 502 resets, the worker starts the double-headed motor 402, the two output shafts of the double-headed motor 402 reversely rotate, so that the two sliding rings 406 are close to each other and move, the extrusion block 405 is far away from the inner wall of the sleeve 1, the worker starts the first driving motor 303, the output shaft of the first driving motor 303 drives the supporting rod 302 and the parts thereon to rotate through the gear, the first sealing shell 309 is opposite to the corrosion area 2, then the operation is repeated, the corrosion area 2 is repaired, and after the corrosion area 2 is repaired, the connecting rod 301 is lifted up to enable the repairing device to be taken out from the sleeve 1.
Example 3: on the basis of embodiment 2, as shown in fig. 11 and 12, the polishing mechanism for polishing and cleaning the repairing surface is further included, the polishing mechanism is disposed on the supporting rod 302, the repairing surface polishing mechanism includes a rotating sleeve 601, the rotating sleeve 601 is rotationally connected to the supporting rod 302, the rotating sleeve 601 is located between the first fixing plate 304 and the second fixing plate 501, a spline is disposed on the outer side of the rotating sleeve 601, a fifth driving motor 602 is installed on one side of the second fixing plate 501, gears are installed on an output shaft of the fifth driving motor 602 and the lower side of the rotating sleeve 601, the fifth driving motor 602 and the rotating sleeve 601 are in transmission with gears, a sliding sleeve 603 is in spline connection with the upper side of the rotating sleeve 601, the sliding sleeve 603 is rotationally connected with a rotating ring 604, the first fixing plate 304 is fixedly connected with a fourth telescopic rod 605, a telescopic end of the fourth telescopic rod 605 is fixedly connected with the rotating ring 604, the electric telescopic rod 606 is rotationally connected with an electric grinding wheel 607, and the fourth telescopic rod 605 is used for driving the sliding sleeve 603 to reciprocate up and down along the rotating sleeve 601, and the polishing area of the electric grinding wheel 607 is increased.
After the corrosion area 2 is repaired, the first sealing shell 309 resets, two sliding rings 406 reset simultaneously, the staff starts the first driving motor 303, the output shaft of the first driving motor 303 drives the supporting rod 302 to rotate through the gear, the supporting rod 302 drives the electric polishing wheel 607 to rotate, after the electric polishing wheel 607 moves to the repairing position of the corrosion area 2, the staff starts the double-headed motor 402, the extrusion block 405 is extruded on the inner wall of the sleeve 1 again, then the staff starts the electric telescopic frame 606, the electric telescopic frame 606 drives the electric polishing wheel 607 to extrude at the repairing position of the corrosion area 2, the staff starts the fifth driving motor 602, the output shaft of the fifth driving motor 602 enables the rotating sleeve 601 to swing in a reciprocating manner through the gear transmission, the rotating sleeve 601 drives the sliding sleeve 603 and parts on the sliding sleeve to swing in a circumferential manner, the sliding sleeve 603 drives the electric polishing wheel 607 to swing in a reciprocating manner along the corrosion area 2, the electric polishing wheel 607 repairs the cooled aluminothermic reactant in the corrosion area 2, the repairing position of the corrosion area 2 is flattened, the inner diameter of the sleeve 1 is reduced, the fourth rod 605 is extruded at the repairing position of the sleeve 1 is extruded, the inner diameter of the electric telescopic sleeve is started, the electric polishing wheel is reduced, the electric polishing wheel is driven by the electric polishing wheel 607 is driven to move the fourth rod 605 down the electric telescopic rod 605 to move down the electric polishing sleeve 1, and the repairing device is restored the corrosion area 2 is restored by the electric polishing device, and the repairing device is restored by the electric polishing device is increased, and the repairing the corrosion area 2 is restored by the repairing area by the electric polishing device.
After the electric grinding wheel 607 finishes grinding the sleeve 1, the worker closes the electric grinding wheel 607 and the fifth driving motor 602, the worker controls the fourth telescopic rod 605 and the electric telescopic frame 606 to reset and close, the worker starts the double-headed motor 402 again, the two sliding rings 406 are far away from each other to reset, the extrusion block 405 is far away from the sleeve 1 and resets, the worker closes the double-headed motor 402, and then the connecting rod 301 is lifted up to enable the repairing device to be taken out from the sleeve 1.
Example 4: on the basis of the embodiment 3, a repairing method for repairing a sleeve by using a petroleum sleeve repairing device with a polishing function comprises the following steps:
s1: a worker firstly puts a plugging collar into the sleeve 1, a layer of fine sand is coated on the upper side of the plugging collar, then the repairing device is put into the sleeve 1, after the repairing device moves to the appointed position of the sleeve 1, the worker starts the first driving motor 303, and the output shaft of the first driving motor 303 adjusts the position of the second sealing shell 506 through a gear;
s2: starting the double-headed motor 402, wherein two output shafts of the double-headed motor 402 respectively drive the threaded rods 401 to rotate, so that sliding rings 406 at the upper part and the lower part are far away from each other to move, an extrusion block 405 is extruded and fixed on the inner wall of the sleeve 1 to fix the support rod 302, and the double-headed motor 402 is closed after the support rod 302 is fixed;
S3: covering the second sealing shell 506 on the corrosion area 2 of the sleeve 1, and cleaning oxide and sand stone of the corrosion area 2 through cleaning liquid, clean water and air;
s4: after the corrosion area 2 is cleaned, starting the double-headed motor 402, and respectively driving the threaded rods 401 to rotate by two output shafts of the double-headed motor 402 to enable the sliding rings 406 at the upper part and the lower part to move close to each other, enabling the extrusion block 405 to be far away from and fixed on the inner wall of the sleeve 1, and releasing the fixation of the support rod 302;
s5: starting a first driving motor 303, driving a first sealing shell 309 to rotate by a supporting rod 302, enabling the first sealing shell 309 to be adjusted to the position of a corrosion area 2, repeating the step S2, attaching the first sealing shell 309 to the inner wall of the sleeve 1, and repairing the corrosion area 2 by the melted thermit reaction agent flowing into the first sealing shell 309 through the thermit reaction agent in a chemical reaction box 317;
s6: after the corrosion area 2 is repaired, the first sealing shell 309 is far away from the sleeve 1, then the step S4 is repeated, the supporting rod 302 is driven to rotate again through the first driving motor 303, the electric polishing wheel 607 is moved to the corrosion area 2, the repaired corrosion area 2 is polished through the electric polishing wheel 607, after the sleeve 1 is polished, the electric polishing wheel 607 is reset, the step S4 is repeated, the connecting rod 301 is lifted, and the repairing device is taken out from the sleeve 1.
The technical principles of the embodiments of the present invention are described above in connection with specific embodiments. The description is only intended to explain the principles of the embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will recognize other embodiments of the present invention without undue burden, and those ways that are within the scope of the present invention.
Claims (9)
1. The petroleum casing repairing device with the polishing function comprises a connecting rod (301), wherein the lower end of the connecting rod (301) is rotationally connected with a supporting rod (302), one side of the connecting rod (301) is fixedly connected with a first driving motor (303), the petroleum casing repairing device is characterized in that the upper part of the supporting rod (302) and an output shaft of the first driving motor (303) are in gear transmission, the supporting rod (302) is fixedly connected with a first fixing plate (304), the first fixing plate (304) is provided with symmetrical sliding grooves, the sliding grooves of the first fixing plate (304) are in sliding connection with a first sliding frame (305), the upper side of the first fixing plate (304) is fixedly connected with a first telescopic rod (306), the telescopic end of the first telescopic rod (306) is fixedly connected with the first sliding frame (305), the lower side of the first sliding frame (305) is fixedly connected with a first supporting plate (307), the first supporting plate (307) is fixedly connected with a first connecting column (308), the first connecting column (308) is fixedly connected with a first sealing shell (309), the first sealing shell (309) is used for covering a corrosion area (2) of a casing (1), the upper side of the first sealing shell (309) is fixedly connected with a first arc-shaped sliding plate (310), the upper end of the second sliding plate (312) is fixedly connected with a second arc-shaped rack (313), the upper side of the first supporting plate (307) is fixedly connected with a first connecting plate (314), the first connecting plate (314) is fixedly connected with a second driving motor (315), an output shaft of the second driving motor (315) is fixedly connected with a gear meshed with the first arc-shaped rack (311) and the second arc-shaped rack (313), the distance between the first sliding plate (310) and the second sliding plate (312) is changed according to the width of the corrosion area (2), the corrosion area (2) is repaired, the upper side of the first fixing plate (304) is provided with a liquid injection component, the liquid injection component is used for injecting reactants into the corrosion area (2), the supporting rod (302) is provided with a centering supporting mechanism, and the centering supporting mechanism is used for fixing the supporting rod (302);
Annotate liquid subassembly including symmetric distribution's dead lever (316), symmetric distribution's dead lever (316) rigid coupling is in the upside of adjacent first carriage (305) respectively, sliding connection has chemical reaction case (317) between symmetric distribution's dead lever (316), ignition (318) are installed to chemical reaction case (317), first fixed plate (304) rigid coupling has second telescopic link (319), the flexible end of second telescopic link (319) is through mounting panel and chemical reaction case (317) rigid coupling, the downside intercommunication of chemical reaction case (317) has guide tube (320), guide tube (320) are used for carrying out the drainage to the chemical substance after the reaction, the lower extreme of guide tube (320) is in going deep into first sealed shell (309).
2. The petroleum casing pipe repairing apparatus with polishing function according to claim 1, characterized in that: the first sealing shell (309) is made of a high-temperature resistant material, and is used for improving the tightness between the first sealing shell (309) and the sleeve (1).
3. The petroleum casing pipe repairing apparatus with polishing function according to claim 1, characterized in that: the centering supporting mechanism comprises a threaded rod (401) which is symmetrically distributed, the middle of a supporting rod (302) is provided with a hollow cavity, the threaded rods (401) which are symmetrically distributed are respectively connected to the upper side and the lower side of the hollow cavity of the supporting rod (302) in a rotating mode, the threaded directions of the threaded rods (401) on the upper side and the lower side are opposite, a double-headed motor (402) is fixedly connected in the hollow cavity of the supporting rod (302), two output shafts of the double-headed motor (402) are respectively fixedly connected with the threaded rods (401) on the same side, fixing rings (403) are fixedly connected on the upper portion and the lower portion of the supporting rod (302), fixing rings (403) are hinged with circumferentially equidistant supporting columns (404), extrusion blocks (405) are arranged at the outer ends of the supporting columns (404), sliding rings (406) are slidably connected in the sliding grooves of the supporting rod (302), the sliding rings (406) are in threaded connection with adjacent threaded rods (401), circumferentially equidistant second connecting columns (407) are hinged with the adjacent supporting columns (404).
4. A petroleum casing pipe restoration device with a polishing function according to claim 3, characterized in that: the corrosion surface cleaning mechanism is arranged on the supporting rod (302), the corrosion surface cleaning mechanism comprises a second fixing plate (501), the second fixing plate (501) is fixedly connected to the supporting rod (302), the second fixing plate (501) is located at the lower side of the first fixing plate (304), the second fixing plate (501) is provided with a sliding groove, a second sliding frame (502) is connected in the sliding groove of the second fixing plate (501) in a sliding manner, a third telescopic rod (503) is fixedly connected to the upper side of the second fixing plate (501), the telescopic end of the third telescopic rod (503) is fixedly connected with the second sliding frame (502), a second supporting plate (504) is fixedly connected to the upper side of the second sliding frame (502), a third connecting column (505) is fixedly connected to the third connecting column (505), a second sealing shell (506) is fixedly connected to the third connecting column (505), the second sealing shell (506) is used for covering the corrosion area (2) of the sleeve (1), a third telescopic rod (503) is fixedly connected to the lower side of the second fixing plate (501), a waste liquid collecting box (507) is fixedly connected to the lower side of the second sealing shell (506) through a third sealing shell (507), the upper side of the third sealing shell (506) is fixedly connected to the third sealing shell (507), the opposite side sliding connection of second sealed shell (506) has fourth sliding plate (509), the upper end of fourth sliding plate (509) fixedly connected with fourth arc rack (510), second backup pad (504) fixedly connected with second connecting plate (511), second connecting plate (511) fixedly connected with third driving motor (512), the output shaft rigid coupling of third driving motor (512) has the gear with third arc rack (508) and fourth arc rack (510) meshing, the upside of first fixed plate (304) is provided with cleaning assembly, cleaning assembly is used for evenly clearing up the impurity in the corrosion area (2).
5. The petroleum casing pipe repairing device with polishing function according to claim 4, wherein: the outer edge of the second sealing shell (506) is provided with a sealing ring for increasing the tightness between the second sealing shell (506) and the sleeve (1).
6. The petroleum casing pipe repairing device with polishing function according to claim 5, wherein: the cleaning assembly comprises a water guide pipe (513), the water guide pipe (513) is connected to a second connecting plate (511) in a sliding mode, teeth are arranged on one side of the water guide pipe (513), a fourth driving motor (514) is arranged on one side of the second connecting plate (511), a gear meshed with the teeth of the water guide pipe (513) is fixedly connected to an output shaft of the fourth driving motor (514), a liquid storage box (515) is fixedly connected to the upper side of a first fixing plate (304), two cavities are formed in the liquid storage box (515), cleaning liquid and clean water are filled in the two cavities of the liquid storage box (515) respectively, conveying pumps are arranged in the cavities of the liquid storage box (515), a four-way pipe (516) is arranged on the lower portion of the liquid storage box (515) in a communicating mode, two pipe columns of the four-way pipe (516) are communicated with the conveying pumps in the two cavities of the liquid storage box (515) respectively, a hose (517) is arranged on the output shaft of the fourth driving motor (514), the hose (517) is communicated with the water guide pipe (513), a blower (518) is fixedly connected to the upper side of the first fixing plate (304), cleaning assembly is provided with two cavities of the liquid storage box (515), cleaning liquid and the two cavities of the liquid storage box (515) are respectively filled with cleaning liquid respectively.
7. The petroleum casing pipe repairing apparatus with polishing function according to claim 6, characterized in that: the lower end of the water guide pipe (513) is fixedly connected with a fan-shaped spray head, and the fan-shaped spray head of the water guide pipe (513) is used for increasing the flushing area of cleaning liquid and water.
8. The petroleum casing pipe repairing apparatus with polishing function according to claim 7, characterized in that: still including being used for polishing the grinding machanism of clearance to the restoration face, grinding machanism sets up in bracing piece (302), restoration face grinding machanism is including rotating cover (601), rotate cover (601) rotation and connect in bracing piece (302), rotate cover (601) and be located between first fixed plate (304) and second fixed plate (501), the outside of rotating cover (601) is provided with the spline, fifth driving motor (602) are installed to one side of second fixed plate (501), the gear is all installed to the downside of rotating cover (601) and the output shaft of fifth driving motor (602), fifth driving motor (602) and rotation cover (601) pass through gear drive, the upside spline connection of rotating cover (601) has sliding sleeve (603), sliding sleeve (603) rotate and are connected with swivel ring (604), first fixed plate (304) rigid coupling has fourth telescopic link (605), the flexible end and swivel ring (604) rigid coupling of fourth telescopic link (605), one side rigid coupling of sliding sleeve (603) has electric telescopic link (606), electric telescopic link (607) rotate and be connected with electric grinding wheel (607).
9. The repairing method for repairing the sleeve of the petroleum sleeve repairing device with the polishing function according to claim 8, wherein the repairing method comprises the following steps: the method comprises the following steps:
s1: firstly, a worker puts a plugging collar into the sleeve (1), a layer of fine sand is coated on the upper side of the plugging collar, then the repair device is put into the sleeve (1), after the repair device moves to a designated position of the sleeve (1), the worker starts a first driving motor (303), and the position of a second sealing shell (506) is regulated by an output shaft of the first driving motor (303) through a gear;
s2: starting a double-headed motor (402), wherein two output shafts of the double-headed motor (402) respectively drive a threaded rod (401) to rotate, so that sliding rings (406) at the upper part and the lower part are far away from each other, an extrusion block (405) is extruded and fixed on the inner wall of a sleeve (1), fixing a supporting rod (302), and closing the double-headed motor (402) after the supporting rod (302) is fixed;
s3: covering a second sealing shell (506) on the corrosion area (2) of the sleeve (1), and cleaning oxide and sand of the corrosion area (2) through cleaning liquid, clean water and air;
s4: after the corrosion area (2) is cleaned, starting a double-headed motor (402), wherein two output shafts of the double-headed motor (402) respectively drive threaded rods (401) to rotate, so that sliding rings (406) at the upper part and the lower part are moved close to each other, an extrusion block (405) is far away from and fixed on the inner wall of the sleeve (1), and the fixation of the support rod (302) is released;
S5: starting a first driving motor (303), enabling a supporting rod (302) to drive a first sealing shell (309) to rotate, enabling the first sealing shell (309) to be adjusted to the position of a corrosion area (2), repeating the step S2, attaching the first sealing shell (309) to the inner wall of a sleeve (1), reacting a thermite reactant in a chemical reaction box (317), enabling the melted thermite reactant to flow into the first sealing shell (309), and repairing the corrosion area (2);
s6: after the corrosion area (2) is repaired, the first sealing shell (309) is far away from the sleeve (1), then the step S4 is repeated, the supporting rod (302) is driven to rotate again through the first driving motor (303), the electric polishing wheel (607) is moved to the corrosion area (2), the repaired corrosion area (2) is polished through the electric polishing wheel (607), after the sleeve (1) is polished, the electric polishing wheel (607) is reset, the step S4 is repeated, the connecting rod (301) is lifted, and the repairing device is taken out from the sleeve (1).
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| SU1268637A1 (en) * | 1985-06-17 | 1986-11-07 | Донецкий Филиал Центрального Опытно-Конструкторского Проектно-Технологического Бюро Всесоюзного Научно-Производственного Объединения Восстановления Изношенных Деталей | Arrangement for reconditioning liners |
| DE4126310A1 (en) * | 1990-08-14 | 1992-02-20 | Klaus Stefanutti | Pipe repair appliance with cylindrical smoothing piece - applies synthetic resin layer by using distributor with compartment, seal, pressure sensor and ducts |
| US6142187A (en) * | 1997-10-15 | 2000-11-07 | The Consumers' Gas Company Ltd. | Device for repairing pipes |
| CA2259680A1 (en) * | 1998-04-29 | 1999-10-29 | Gulf Technologies International, L.C. | Rotating bop and method |
| CN210034762U (en) * | 2019-05-15 | 2020-02-07 | 安徽昊宇建设工程有限公司 | Pipeline repairing lining |
| CN116006114A (en) * | 2023-02-08 | 2023-04-25 | 山东高原油气装备有限公司 | Repairing device for underground petroleum casing damage |
| CN116220577A (en) * | 2023-05-09 | 2023-06-06 | 胜利油田渤海固井工程技术有限责任公司 | Casing centralizer for gradually reducing resistance for well cementation |
| CN116398087A (en) * | 2023-06-05 | 2023-07-07 | 山东高原油气装备有限公司 | Petroleum casing descaling device with anti-slip function and use method |
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