CN116160143A - Welding process for large-caliber hastelloy steel pipeline - Google Patents
Welding process for large-caliber hastelloy steel pipeline Download PDFInfo
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- CN116160143A CN116160143A CN202211630052.8A CN202211630052A CN116160143A CN 116160143 A CN116160143 A CN 116160143A CN 202211630052 A CN202211630052 A CN 202211630052A CN 116160143 A CN116160143 A CN 116160143A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
- B23K31/027—Making tubes with soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0007—Movable machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Mechanical Engineering (AREA)
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding process of a large-caliber Hastelloy steel pipeline, which comprises a base, wherein a supporting side plate is arranged at the edge of one side of the top of the base, a mounting plate is arranged at the top of the inside of the supporting side plate in a sliding manner, an electric push rod is arranged at the top of one side of the supporting side plate, an electric welding mechanism is arranged at one side of the bottom of the mounting plate, a mounting frame is arranged at one side of the top of the base, and a driving motor is arranged at one side of the bottom of the mounting frame; according to the invention, through the arrangement of the polishing assembly, the pipeline can be stretched into the first annular frame to be positioned among the four groups of polishing blocks, at the moment, the polishing blocks are driven to weld the surface of the pipeline through the rotation of the first annular frame, the polishing blocks rotating at high speed can polish the surface of the pipeline more smoothly and neatly, impurities and oxides on the surface of the pipeline can be effectively removed, the time is less, and the labor capacity is greatly reduced.
Description
Technical Field
The invention relates to the technical field of welding processes, in particular to a welding process for a large-caliber Hastelloy steel pipeline.
Background
The hastelloy C-276 alloy belongs to nickel-molybdenum-chromium-iron-tungsten nickel-based alloys. It is one of the most corrosion resistant of modern metallic materials. The main wet chlorine resistance, various oxidizing chlorides, chloride salt solution, sulfuric acid and oxidizing salts have good corrosion resistance in low-temperature and medium-temperature hydrochloric acid. Therefore, the pipeline made of the hastelloy C-276 alloy has quite wide application in harsh corrosion environments such as chemical industry, petrochemical industry, flue gas desulfurization, pulp and papermaking, environmental protection and other industrial fields for more than thirty years, is mainly used in industrial devices such as water supply, drainage, heat supply, coal gas supply, long-distance petroleum and natural gas transportation, hydraulic engineering and the like, and is an indispensable part in building construction, and the pipeline needs to be welded and reinforced during application.
The current welding device has certain not enough when using:
1. when the pipeline is welded, a large amount of oxides, dust and impurities exist on the surface of the pipeline, when the pipeline is welded, the impurities on the surface are required to be removed, the welding quality is prevented from being affected to a certain extent, and the pipeline is required to be polished manually at the moment, so that the working strength is high, and the polishing is not comprehensive enough.
2. When the pipeline is welded and reinforced, the pipeline needs to be effectively limited, but when the traditional clamp clamps, two groups of threaded rods need to be rotated to clamp the two ends of the pipeline, and as the pipeline is arc-shaped, shaking is easy to occur, and the clamping is delayed;
3. meanwhile, after welding is finished, welding slag at the welding position is required to be removed, the welding slag is generally removed by knocking manually, a large amount of waste heat is remained in a pipeline which is just welded, waiting is required, time is relatively consumed, and workload is increased.
Disclosure of Invention
The invention aims to provide a welding process of a large-caliber Hastelloy steel pipeline, which aims to solve the related problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a heavy-calibre hastelloy steel pipe welding process, includes the base, the edge of base top one side is provided with the support curb plate, the inside top slip of support curb plate is provided with the mounting panel, the top of support curb plate one side is provided with electric putter, one side of mounting panel bottom is provided with electric welding mechanism, one side at base top is provided with the mounting bracket, one side at mounting bracket bottom is provided with driving motor, one side at base bottom is provided with the connecting plate, one side at connecting plate top is provided with the transmission shaft, the top of transmission shaft is provided with the second gear, the outside of driving motor output and the outside cover of transmission shaft are equipped with first gear, two sets of the outside of first gear is provided with the hold-in range, driving motor's output is provided with incomplete gear, the both ends slip at mounting bracket top is provided with the support slide, two sets of support slide's top is provided with the removal frame, the both ends at removal frame top are provided with the centre gripping subassembly, one side at base top is kept away from the support curb plate's one side is provided with the spout, the inside slip of spout is provided with the removal seat, the inside of removal seat is provided with the polishing subassembly.
Preferably, the clamping assembly comprises a supporting rod, a supporting plate, lugs, clamping blocks, movable cavities, inclined grooves, movable frames, ejector rods, springs, clamping rods and templates, wherein the supporting rod is provided with two groups of two sides located at the top of a movable frame, the supporting plate is arranged at the top of the supporting rod, the clamping blocks are slidably arranged at the two sides of the top of the supporting plate, the movable cavities are formed in two groups of two ends, away from each other, of the clamping blocks, the inclined grooves are formed in the two sides of the inner portion of the movable cavities, the movable frames are slidably arranged at the two ends of the inner portion of the supporting plate, the ejector rods are slidably arranged at the bottoms of the two sides of the movable frames, the springs are sleeved outside the ejector rods, the clamping rods are rotatably arranged at the bottoms of the ejector rods, and templates are arranged at the two sides of the bottom of the movable frames.
Preferably, the polishing assembly comprises a first annular frame, a second annular frame, wedge blocks, polishing blocks, telescopic rods, annular racks, connecting sliding grooves and sliding rods, wherein the first annular frame is located in a movable seat, the telescopic rods are slidably arranged on the inner sides of the first annular frame, the four groups of telescopic rods are provided with the polishing blocks close to the circle centers, the connecting sliding grooves are formed in the outer sides of the first annular frame, the four groups of connecting sliding grooves are slidably provided with the sliding rods, the four groups of sliding rods are arranged on the outer sides of the second annular frame, and the four groups of wedge blocks are arranged on the inner sides of the second annular frame.
Preferably, the output end of the driving motor extends to the inside of the moving frame, and the incomplete gear and the rack are meshed with each other.
Preferably, the two sides of the bottom of the second annular frame are connected with fastening bolts in a threaded manner, and one ends of the fastening bolts are in contact with the outer side of the first annular frame.
Preferably, the movable frame is composed of two groups of vertical rods and a transverse plate, the two groups of vertical rods are positioned at two ends of the top of the transverse plate, and the protruding blocks displace the tops of two sides of the vertical rods.
Preferably, the top of the movable frame extends to the inside of the movable cavity, one end of the protruding block extends to the inside of the chute, and the protruding block and the chute are in sliding fit with each other.
Preferably, the two groups of clamping blocks are close to the arc-shaped grooves on one side, and rubber pads are arranged on the inner sides of the arc-shaped grooves.
Preferably, a limiting block is arranged at the top of the telescopic rod, and the wedge-shaped block and the sliding rod are sequentially arranged at equal intervals.
The using process of the large-caliber hastelloy steel C-pipeline welding device comprises the following steps:
step one, a step one; the pipeline is placed at the top of the supporting plate, so that the top of the ejector rod is in contact with the pipeline, the ejector rod can be driven to move downwards at the moment, the movable frame is driven to move downwards through the template and the clamping rod, the movable frame drives the lug to slide in the chute, and the two groups of clamping blocks clamp the pipeline due to the inclined arrangement of the chute;
step two: at the moment, the movable seat slides in the sliding groove and approaches the clamping assembly, so that the annular rack and the second gear are meshed with each other, the second annular frame is rotated to drive the four groups of wedge blocks to move, the oblique sides of the wedge blocks are contacted with the top of the telescopic rod, and the telescopic rod is pushed to approach the circle center, so that the polishing block is contacted with the surface of the pipeline;
step three: opening the driving motor, enabling the driving motor to drive the second gear to rotate through transmission, enabling the second gear to drive the annular rack to rotate, enabling the first annular frame to rotate at a high speed along with the annular rack, and enabling the first annular frame to drive the four groups of polishing blocks to move to polish the surface of the pipeline;
step four: after finishing polishing, the electric push rod is opened at the moment to push the mounting plate to drive the electric welding mechanism to move towards the welding position, and the welding point is welded and reinforced through the electric welding mechanism.
Compared with the prior art, the invention provides a large-caliber hastelloy steel C-pipe welding process, which has the following beneficial effects:
1. according to the invention, through the arrangement of the polishing assembly, the pipeline can be stretched into the first annular frame to be positioned among the four groups of polishing blocks, at the moment, the polishing blocks are driven to weld the surface of the pipeline through the rotation of the first annular frame, the polishing blocks rotating at high speed can polish the surface of the pipeline more smoothly and neatly, impurities and oxides on the surface of the pipeline can be effectively removed, the time is less, and the labor capacity is greatly reduced.
2. According to the invention, the pipeline can be automatically clamped by utilizing the clamping assembly, the pipeline to be welded is placed at the top of the supporting plate and is contacted with the top of the ejector rod, the ejector rod is pressed downwards by gravity, meanwhile, the ejector rod drives the movable frame to move downwards by virtue of the supporting rod and the template, and the two groups of clamping blocks are mutually close by virtue of the sliding of the convex blocks in the chute, so that the pipeline is clamped, the manual clamping of the pipeline is reduced, the clamping efficiency is greatly improved, and the working efficiency is improved.
3. According to the invention, the second gear is arranged, so that when the second gear is meshed with the annular rack, the pipeline can be driven to move back and forth, the pipeline can move between the polishing blocks, when the polishing blocks polish the pipeline, the polishing range and the polishing efficiency can be improved, meanwhile, the polishing blocks can polish welding slag after welding, and the time for waiting for cooling the pipeline is reduced.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of a timing belt and a first gear drive of the present invention;
FIG. 3 is an enlarged view of the invention at A of FIG. 1;
FIG. 4 is a top view of a moving frame of the present invention;
FIG. 5 is a side cross-sectional view of the clamping assembly of the present invention;
fig. 6 is a side cross-sectional view of a first annular frame of the present invention.
In the figure: 1. a base; 2. a clamping assembly; 201. a support rod; 202. a support plate; 203. a bump; 204. a clamping block; 205. a movable cavity; 206. a chute; 207. a movable frame; 208. a push rod; 209. a spring; 210. a clamping rod; 211. templates; 3. a polishing assembly; 301. a first annular frame; 302. a second annular frame; 303. wedge blocks; 304. polishing the block; 305. a telescopic rod; 306. an annular rack; 307. the connecting chute; 308. a slide bar; 4. a driving motor; 5. a mounting frame; 6. a movable seat; 7. a chute; 8. an electric welding mechanism; 9. a mounting plate; 10. an electric push rod; 11. supporting the side plates; 12. a moving frame; 13. an incomplete gear; 14. a rack; 15. a synchronous belt; 16. a first gear; 17. a support slide plate; 18. a second gear; 19. a transmission shaft; 20. and (5) connecting a plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a heavy-calibre hastelloy steel pipe welding process, including base 1, the edge of base 1 top one side is provided with supporting side plate 11, the inside top slip of supporting side plate 11 is provided with mounting panel 9, the top of supporting side plate 11 one side is provided with electric putter 10, one side of mounting panel 9 bottom is provided with electric welding mechanism 8, one side at base 1 top is provided with mounting bracket 5, one side at mounting bracket 5 bottom is provided with driving motor 4, one side at base 1 bottom is provided with connecting plate 20, one side at connecting plate 20 top is provided with transmission shaft 19, the top of transmission shaft 19 is provided with second gear 18, the outside of driving motor 4 output and the outside cover of transmission shaft 19 are equipped with first gear 16, the outside of two sets of first gears 16 is provided with hold-in range 15, the output of driving motor 4 is provided with incomplete gear 13, the both ends slip at mounting bracket 5 top is provided with supporting slide 17, the top of two sets of supporting slide 17 is provided with movable frame 12, the both ends at movable frame 12 inside are provided with rack 14, the both sides at movable frame 12 top are provided with clamping assembly 2, one side at base 1 top keep away from supporting side 11 is provided with spout 7, the inside slip seat 6 of spout 7 is provided with movable seat 6, the inside of movable seat 6 is provided with the rotation assembly 3.
As a preferable scheme of the present embodiment: the clamping assembly 2 comprises supporting rods 201, supporting plates 202, protruding blocks 203, clamping blocks 204, movable cavities 205, inclined grooves 206, movable frames 207, ejector rods 208, springs 209, clamping rods 210 and templates 211, wherein the supporting rods 201 are provided with two groups of two sides located at the top of the movable frame 12, the supporting plates 202 are arranged at the tops of the two groups of supporting rods 201, the clamping blocks 204 are slidably arranged at the two sides of the tops of the supporting plates 202, the movable cavities 205 are formed in one ends, far away from each other, of the two groups of clamping blocks 204, the inclined grooves 206 are formed in the two sides of the inner portions of the two groups of movable cavities 205, the movable frames 207 are slidably arranged at the two ends of the inner portions of the supporting plates 202, the bottoms of the two groups of the movable frames 207 are provided with the protruding blocks 203, the ejector rods 208 are slidably arranged at the bottoms of the inner portions of the movable frames 207, the springs 209 are sleeved on the outer sides of the ejector rods 208, the bottoms of the ejector rods 208 are rotatably provided with the clamping rods 210, and the two sides of the bottoms of the movable frames 207 are provided with templates 211, so that the automatic clamping of the pipeline can be carried out.
As a preferable scheme of the present embodiment: the polishing assembly 3 comprises a first annular frame 301, a second annular frame 302, wedge blocks 303, polishing blocks 304, telescopic rods 305, annular racks 306, connecting sliding grooves 307 and sliding rods 308, wherein the first annular frame 301 is located inside a movable seat 6, the telescopic rods 305 are slidably arranged on the inner side of the first annular frame 301, the polishing blocks 304 are arranged at positions, close to the circle centers, of the four groups of telescopic rods 305, the connecting sliding grooves 307 are formed in the outer side of the first annular frame 301, the sliding rods 308 are slidably arranged in the four groups of connecting sliding grooves 307, the second annular frame 302 is arranged on the outer side of the four groups of sliding rods 308, and the four groups of wedge blocks 303 are arranged on the inner side of the second annular frame 302, so that welding slag can be polished in all directions on a pipeline.
As a preferable scheme of the present embodiment: the output end of the driving motor 4 extends into the moving frame 12, and the incomplete gear 13 and the rack 14 are meshed with each other, so that the moving frame 12 swings left and right.
As a preferable scheme of the present embodiment: the two sides of the bottom of the second annular frame 302 are connected with fastening bolts in a threaded manner, and one end of each fastening bolt is in contact with the outer side of the first annular frame 301, so that the second annular frame 302 can be fixed.
As a preferable scheme of the present embodiment: the movable frame 207 is composed of two groups of vertical rods and a transverse plate, the two groups of vertical rods are positioned at two ends of the top of the transverse plate, and the protruding blocks 203 displace the tops of two sides of the vertical rods so as to drive the protruding blocks 203 to move.
As a preferable scheme of the present embodiment: the top of the movable frame 207 extends to the inside of the movable cavity 205, one end of the protruding block 203 extends to the inside of the chute 206, and the protruding block 203 and the chute 206 are in sliding fit with each other, so that the movable frame 207 moves downwards, and the two groups of clamping blocks 204 are close to each other.
As a preferable scheme of the present embodiment: the two groups of clamping blocks 204 are close to each other and are provided with a rubber pad on the inner side of the arc-shaped groove, so that friction with a pipeline is improved.
As a preferable scheme of the present embodiment: the top of telescopic link 305 is provided with the stopper, and wedge 303 and slide bar 308 interval equidistance setting in proper order.
In embodiment 1, as shown in fig. 1-6, after welding is completed, the moving seat 6 is pushed to drive the polishing assembly 3 to move towards the welding position, so that the polishing block 304 moves to the welding position again, the annular rack 306 is meshed with the second gear 18 again, the polishing block 304 is contacted with the welding position, the driving motor 4 is turned on to drive the first gear 16 and the incomplete gear 13 to rotate, the incomplete gear 13 rotates in the moving frame 12, the moving frame 12 swings left and right at the top of the mounting frame 5 under the action of the two groups of racks 14, the clamping assembly 2 is driven to move integrally, the pipeline moves in the first annular frame 301, and the welding slag at the welding position is polished more completely by the polishing block 304.
In embodiment 2, as shown in fig. 5, after the welding and deslagging are completed, the clamping rods 210 are rotated away from the inside of the two groups of templates 211, and the movable frame 207 is pushed upwards at this time, so that the movable frame 207 drives the protruding blocks 203 to slide in the chute 206, and drives the two groups of clamping blocks 204 to be away from each other, and at this time, the base 1 is pushed, and the clamping assembly 2 and the polishing assembly 3 are driven to move integrally from the outside of the pipeline.
The use process of the large-caliber hastelloy steel pipeline welding process comprises the following steps:
step one, a step one; placing the pipeline on the top of the supporting plate 202, so that the top of the ejector rod 208 is in contact with the pipeline, at the moment, the ejector rod 208 can be driven to move downwards, the movable frame 207 is driven to move downwards through the template 211 and the clamping rod 210, the movable frame 207 drives the lug 203 to slide in the chute 206, and the chute 206 is obliquely arranged, so that the two groups of clamping blocks 204 clamp the pipeline;
step two: at this time, the movable seat 6 slides in the chute 7 and approaches to the clamping assembly 2, so that the annular rack 306 and the second gear 18 are meshed with each other, and simultaneously, the second annular frame 302 is rotated to drive the four groups of wedge blocks 303 to move, the oblique sides of the wedge blocks 303 are contacted with the top of the telescopic rod 305, and the telescopic rod 305 is pushed to approach to the circle center, so that the polishing block 304 is contacted with the surface of the pipeline;
step three: opening the driving motor 4, so that the driving motor 4 drives the second gear 18 to rotate through transmission, the second gear 18 drives the annular rack 306 to rotate, the first annular frame 301 rotates at a high speed along with the annular rack 306, and at the moment, the first annular frame 301 drives the four groups of polishing blocks 304 to move to polish the surface of the pipeline;
step four: after finishing polishing, the electric push rod 10 is opened at the moment to push the mounting plate 9 to drive the electric welding mechanism 8 to move towards the welding position, and the welding point is welded and reinforced through the electric welding mechanism 8.
To sum up: placing the pipeline on the top of the supporting plate 202, so that the top of the ejector rod 208 is in contact with the pipeline, at the moment, the ejector rod 208 can be driven to move downwards, the movable frame 207 is driven to move downwards through the template 211 and the clamping rod 210, the movable frame 207 drives the lug 203 to slide in the chute 206, and the chute 206 is obliquely arranged, so that the two groups of clamping blocks 204 clamp the pipeline;
at this time, the movable seat 6 slides in the chute 7 and approaches to the clamping assembly 2, so that the annular rack 306 and the second gear 18 are meshed with each other, meanwhile, the second annular frame 302 is rotated to drive the four groups of wedge blocks 303 to move, the oblique sides of the wedge blocks 303 are contacted with the top of the telescopic rod 305, the telescopic rod 305 is pushed to approach to the circle center, the polishing block 304 is contacted with the surface of the pipeline, and the second annular frame 302 is locked by two groups of fastening bolts;
opening driving motor 4 for driving motor 4 drives first gear 16 and rotates, first gear 16 passes through hold-in range 15 and drives another group of first gear 16 and rotate, first gear 16 passes through transmission shaft 19 and drives second gear 18 and rotate, second gear 18 drives annular rack 306 and rotates, make first annular frame 301 along with annular rack 306 carries out high-speed rotation, at this moment, first annular frame 301 drives four groups of sanding blocks 304 and removes the surface of pipeline and polish, after polishing finishes, will remove seat 6 and slide in the inside of spout 7, make polishing assembly 3 wholly leave from the top of weld, open electric putter 10 at this moment and promote mounting panel 9 and drive electric welding mechanism 8 and remove to the weld, weld and consolidate through the point of electric welding mechanism 8.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. The welding process of the large-caliber hastelloy steel pipeline comprises a base (1) and is characterized in that: the edge of one side of the top of the base (1) is provided with a supporting side plate (11), the top of the inside of the supporting side plate (11) is slidably provided with a mounting plate (9), the top of one side of the supporting side plate (11) is provided with an electric push rod (10), one side of the bottom of the mounting plate (9) is provided with an electric welding mechanism (8), one side of the top of the base (1) is provided with a mounting frame (5), one side of the bottom of the mounting frame (5) is provided with a driving motor (4), one side of the bottom of the base (1) is provided with a connecting plate (20), one side of the top of the connecting plate (20) is provided with a transmission shaft (19), the top of transmission shaft (19) is provided with second gear (18), the outside of driving motor (4) output and the outside cover of transmission shaft (19) are equipped with first gear (16), and two sets of the outside of first gear (16) is provided with hold-in range (15), the output of driving motor (4) is provided with incomplete gear (13), the both ends at mounting bracket (5) top slide and are provided with support slide (17), and the top of two sets of support slide (17) is provided with movable frame (12), the inside both ends of movable frame (12) are provided with rack (14), the both sides at movable frame (12) top are provided with clamping assembly (2), one side of base (1) top keeping away from support curb plate (11) is provided with spout (7), the inside slip of spout (7) is provided with removes seat (6), the inside rotation of removing seat (6) is provided with polishing assembly (3).
2. The welding process of the large-caliber hastelloy steel pipeline according to claim 1, wherein the welding process comprises the following steps of: clamping assembly (2) are including bracing piece (201), backup pad (202), lug (203), grip block (204), movable chamber (205), chute (206), adjustable shelf (207), ejector pin (208), spring (209), clamping lever (210) and template (211), bracing piece (201) are provided with two sets of both sides that are located movable frame (12) top, two sets of the top of bracing piece (201) is provided with backup pad (202), the both sides slip at backup pad (202) top is provided with grip block (204), two sets of movable chamber (205) have been seted up to the one end that grip block (204) kept away from each other, two sets of chute (206) have been seted up to the both sides of movable chamber (205) inside, the both ends slip of backup pad (202) inside is provided with adjustable shelf (207), the top of adjustable shelf (207) both sides is provided with lug (203), the inside bottom slip of adjustable shelf (207) is provided with (208), the outside cover of ejector pin (208) is equipped with spring (208), the bottom of rotating the bottom of ejector pin (210) is provided with template (37).
3. The welding process of the large-caliber hastelloy steel pipeline according to claim 1, wherein the welding process comprises the following steps of: the polishing assembly (3) comprises a first annular frame (301), a second annular frame (302), wedge blocks (303), polishing blocks (304), telescopic rods (305), annular racks (306), connecting sliding grooves (307) and sliding rods (308), wherein the first annular frame (301) is located inside a movable seat (6), the telescopic rods (305) are slidably arranged on the inner sides of the first annular frame (301), the polishing blocks (304) are arranged on the telescopic rods (305) close to the circle centers, the connecting sliding grooves (307) are formed in the outer sides of the first annular frame (301), the sliding rods (308) are slidably arranged in the connecting sliding grooves (307), the second annular frame (302) are arranged on the outer sides of the sliding rods (308), and the wedge blocks (303) are arranged on the inner sides of the second annular frame (302).
4. The welding process of the large-caliber hastelloy steel pipeline according to claim 1, wherein the welding process comprises the following steps of: the output end of the driving motor (4) extends to the inside of the moving frame (12), and the incomplete gear (13) is meshed with the rack (14).
5. A process for welding a large-caliber hastelloy steel pipeline according to claim 3, wherein: and two sides of the bottom of the second annular frame (302) are connected with fastening bolts in a threaded manner, and one end of each fastening bolt is in contact with the outer side of the first annular frame (301).
6. The welding process for the large-caliber hastelloy steel pipeline according to claim 2, wherein the welding process comprises the following steps of: the movable frame (207) consists of two groups of vertical rods and transverse plates, the two groups of vertical rods are positioned at two ends of the top of the transverse plates, and the protruding blocks (203) displace the tops of two sides of the vertical rods.
7. The welding process for the large-caliber hastelloy steel pipeline according to claim 2, wherein the welding process comprises the following steps of: the top of the movable frame (207) extends to the inside of the movable cavity (205), one end of the protruding block (203) extends to the inside of the chute (206), and the protruding block (203) and the chute (206) are in sliding fit with each other.
8. The welding process for the large-caliber hastelloy steel pipeline according to claim 2, wherein the welding process comprises the following steps of: two groups of clamping blocks (204) are close to the arc-shaped grooves on one side, and rubber pads are arranged on the inner sides of the arc-shaped grooves.
9. A process for welding a large-caliber hastelloy steel pipeline according to claim 3, wherein: the top of telescopic link (305) is provided with the stopper, wedge (303) and slide bar (308) interval equidistance setting in proper order.
10. A process for welding a large-caliber hastelloy steel pipeline, comprising the following steps of:
step one, a step one; placing the pipeline at the top of the supporting plate (202) so that the top of the ejector rod (208) is in contact with the pipeline, at the moment, the ejector rod (208) can be driven to move downwards, the movable frame (207) is driven to move downwards through the template (211) and the clamping rod (210), the movable frame (207) drives the lug (203) to slide in the chute (206), and the chute (206) is obliquely arranged so that the two groups of clamping blocks (204) clamp the pipeline;
step two: at the moment, the movable seat (6) slides in the sliding groove (7) and approaches to the clamping assembly (2) so that the annular rack (306) and the second gear (18) are meshed with each other, meanwhile, the second annular frame (302) is rotated to drive the four groups of wedge blocks (303) to move, the oblique sides of the wedge blocks (303) are contacted with the top of the telescopic rod (305) mutually, and the telescopic rod (305) is pushed to approach to the circle center so that the polishing blocks (304) are contacted with the surface of a pipeline;
step three: opening the driving motor (4), enabling the driving motor (4) to drive the second gear (18) to rotate through transmission, enabling the second gear (18) to drive the annular rack (306) to rotate, enabling the first annular frame (301) to rotate at a high speed along with the annular rack (306), and enabling the first annular frame (301) to drive the four groups of polishing blocks (304) to move at the moment so as to polish the surface of the pipeline;
step four: after finishing polishing, the electric push rod (10) is opened at the moment to push the mounting plate (9) to drive the electric welding mechanism (8) to move towards the welding position, and the welding position is welded and reinforced through the electric welding mechanism (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211630052.8A CN116160143A (en) | 2022-12-19 | 2022-12-19 | Welding process for large-caliber hastelloy steel pipeline |
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| CN202211630052.8A CN116160143A (en) | 2022-12-19 | 2022-12-19 | Welding process for large-caliber hastelloy steel pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161620A (en) * | 2023-10-10 | 2023-12-05 | 常州市金坛区望胜合金铸钢有限公司 | Metal casting surface processing device with welding slag cleaning function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161620A (en) * | 2023-10-10 | 2023-12-05 | 常州市金坛区望胜合金铸钢有限公司 | Metal casting surface processing device with welding slag cleaning function |
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