CN114669903A - Automatic steel pipe repair welding machine - Google Patents
Automatic steel pipe repair welding machine Download PDFInfo
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- CN114669903A CN114669903A CN202210463207.7A CN202210463207A CN114669903A CN 114669903 A CN114669903 A CN 114669903A CN 202210463207 A CN202210463207 A CN 202210463207A CN 114669903 A CN114669903 A CN 114669903A
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- pipe
- steel pipe
- arc
- repair welding
- welding machine
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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
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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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to the technical field of steel pipe repair, in particular to an automatic steel pipe repair welding machine, which comprises two support frames and eight support legs, and further comprises a controller and a repair mechanism, wherein the support frames are fixedly arranged between the two support frames, the repair mechanism comprises a sliding plate, a camera, a heating tank, a driving assembly, an extrusion assembly and a swinging assembly, the camera, the heating tank, the driving assembly, the extrusion assembly and the swinging assembly are electrically connected with the controller, when carrying out the defect repair on steel pipe surface, only need to put the steel pipe between two arc gag lever posts and two arc die-pins, the camera provides the real-time check picture, and repair the mechanism and repair, compare in prior art, need not to repair through artifical hand device, and whole journey is automatic operation, and is fast, and the precision is high, and is efficient, is favorable to practicing thrift the human cost simultaneously and reduces workman's the amount of labour.
Description
Technical Field
The invention relates to the technical field of steel pipe repair, in particular to an automatic repair welding machine for steel pipes.
Background
Steel having a hollow cross-section with a length much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process includes seamless steel pipe and welded steel pipe, the seamless steel pipe includes hot rolling and cold rolling (drawing), and the welded steel pipe includes straight seam welded steel pipe and spiral seam welded steel pipe.
Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels. The steel pipe is used for manufacturing the building structure net rack, the supporting column and the mechanical support, so that the weight can be reduced, the metal can be saved by 20-40%, and the industrialized mechanized construction can be realized. The steel pipe is used for manufacturing the highway bridge, so that steel can be saved, the construction is simplified, the area of a coating protective layer can be greatly reduced, and the investment and the maintenance cost are saved.
The surface of the existing steel pipe needs to be detected after production is finished, for example, if the surface of the existing steel pipe has defects such as cracks, pot holes and the like, the existing steel pipe needs to be repaired in time and then ground, and the existing steel pipe can leave a factory after the quality is qualified.
The existing steel pipe repair has the following defects:
1. the defect is inspected through the manual work mostly, and rethread small-size hand-held device restores, and is slow, and is inefficient, and the amount of labour is big, and is unfavorable for practicing thrift the manpower.
2. After the steel pipe is machined, impurities such as metal scraps, dust and the like can exist on the surface of the steel pipe, the impurities in cracks and pot holes are more easily remained and cannot be cleaned in time, and when repairing is carried out, the roundness after repairing is inconsistent with other positions on the surface, and the quality of the steel pipe is reduced.
Disclosure of Invention
The invention aims to provide an automatic repair welding machine for steel pipes.
In order to achieve the purpose, the invention adopts the following technical scheme:
provides an automatic steel pipe repair welding machine, which comprises two supporting frames and eight supporting legs, wherein the eight supporting legs are symmetrically arranged on the ground, each supporting frame is fixedly arranged at the top of each four supporting legs,
still include the controller and repair the mechanism, the fixed bracing piece that is equipped with between two support frames, repair the mechanism and establish between two bracing pieces, repair the mechanism and include the slide, the camera, the heating jar, drive assembly, extrusion subassembly and swing subassembly, swing subassembly establishes the top at the bracing piece, the slide is established on swing subassembly, drive assembly establishes on swing subassembly, the fixed bottom of establishing at the slide of camera, the heating jar is inserted and is established on the slide, extrusion subassembly inserts the inside of establishing at the heating jar, the camera, the heating jar, drive assembly, extrusion subassembly and swing subassembly are electric connection with the controller.
Further, the swing subassembly includes gear motor, the gear, arc rack and loading board, the top of two bracing pieces is the symmetry and is provided with two arc gag lever posts, the arc rack slides and sets up on one of them arc gag lever post, it is equipped with the arc slider to slide on another arc gag lever post, gear motor fixes the top of establishing at one of them support frame, the gear housing is established on its output, the loading board is fixed to be established between arc rack and arc slider, gear and arc rack meshing are connected, gear motor is connected with the controller electricity.
Further, the extrusion subassembly includes micromotor, lead screw and lifter, and the top of slide is equipped with two fixed plates, and the lead screw rotates to be established between two fixed plates, and the micromotor is inserted and is established at the top of fixed plate, the top fixed connection of its output and lead screw, and threaded connection has the traveller on the outer wall of lead screw, and the lifter is fixed to be established in the bottom of traveller, and the lifter pegs graft with the heating jar, and the micromotor is connected with the controller electricity.
Further, drive assembly includes step motor, steel cable and two runners, and the fixed two piece that found that are equipped with in top both ends of loading board, every runner all rotate through the articulated shaft and establish on a piece that stands, and the steel rope cover is established between two runners, and step motor is fixed to be established on one of them piece that stands, its output and one of them articulated shaft fixed connection, and the top one end of slide is the symmetry and is provided with two traction blocks, and every traction block all with steel cable fixed connection, step motor is connected with the controller electricity.
Furthermore, the bottom of the heating tank is provided with a spray hole, an electromagnetic valve is arranged inside the spray hole, a temperature sensor and a feeding pipe are fixedly arranged on the outer wall of the heating tank, a sealing plug is inserted into the top of the feeding pipe, and the electromagnetic valve and the temperature sensor are electrically connected with a controller.
Furthermore, an arc-shaped supporting rod is fixedly arranged on the outer wall of each supporting frame.
Further, the fixed stay cord that is equipped with in top of the pressure ram, the fixed installation piece that is equipped with in bottom of slide, the fixed inflator that is equipped with on the installation piece, the inside of inflator is inserted and is equipped with the pressure gas pole, the end fixing of pressure gas pole is equipped with the bar slider, it is provided with two gliding slide rails that supply the bar slider to be the symmetry on the outer wall of installation piece, the other end and the bar slider fixed connection of stay cord, the one end intercommunication of keeping away from the bar slider of inflator is equipped with the toper pipe, the inside of inflator and toper pipe is equipped with first cavity and second cavity respectively, first cavity and second cavity link up.
Furthermore, one end of the conical guide pipe, which is far away from the inflator, is communicated with an air blowing pipe, a conveying pipe is fixedly arranged between the air blowing pipe and the first cavity, and a one-way valve is fixedly arranged on the outer wall of one end, which is close to the air blowing pipe, of the conveying pipe.
Further, the inflator is fixedly provided with a supporting plate on the outer wall of one end close to the conical guide pipe, the supporting plate is fixedly connected with the two sliding rails, and a telescopic spring is fixedly arranged between the supporting plate and the strip-shaped sliding block.
Further, all be equipped with the leading wheel on the bottom outer wall of fixed plate and the one end lateral wall of slide, the stay cord all cup joints with two leading wheels.
The invention has the beneficial effects that:
1. according to the invention, by designing the controller, the camera, the repairing mechanism, the supporting rod, the two arc-shaped limiting rods, the two arc-shaped supporting rods and the two supporting frames, when the defect on the surface of the steel pipe is repaired, the steel pipe is only required to be placed between the two arc-shaped limiting rods and the two arc-shaped supporting rods, the camera provides a real-time inspection picture, and the repairing mechanism performs repairing.
2. According to the invention, by designing the sliding plate, the driving assembly and the swinging assembly, the camera and the repairing mechanism can be driven to slide along a straight line or swing along an arc line, when the repairing of one half of the outer wall of the steel pipe is finished, the repairing of the other half of the surface is carried out only by manually turning the placing position of the steel pipe, so that the defect searching and repairing of any position of the surface of the steel pipe are realized, and the repairing process is accelerated.
3. According to the invention, by designing the pull rope, the mounting block, the air cylinder, the air compression rod, the strip-shaped sliding block, the conical guide pipe, the first cavity, the second cavity, the air blowing pipe, the conveying pipe, the one-way valve, the supporting plate, the telescopic spring and the guide wheel, the repairing mechanism and the cleaning mechanism are linked, so that when the defects such as crack, pot holes and the like are filled with solder, metal scraps and dust impurities in the defects can be synchronously blown and cleaned, the filled defects are ensured to be consistent with the roundness of other surfaces of the steel pipe, the subsequent polishing is convenient, and the repair welding efficiency is favorably improved.
4. According to the invention, by designing the telescopic spring, when the extrusion rod extrudes the solder for one time and rises to reset each time, the strip-shaped sliding block and the air compression rod on the strip-shaped sliding block can be automatically driven to slide downwards in an inclined mode to return to the initial state, so that the next cleaning effect is ensured, and meanwhile, when the air compression cylinder resets, due to the action of the one-way valve, air flow extruded from the inside of the second cavity is directly blown to the filled defect part from the air blowing pipe, the solder filled in the defect part is cooled by air blowing, solidification is accelerated, so that the repair welding efficiency and repair welding quality are prompted, and the surface quality of the steel pipe after repair welding is favorably improved.
5. According to the invention, the conical guide tube, the air cylinder, the first cavity and the second cavity are designed, so that the air compression rod achieves different beneficial effects under different motion states, and further the whole structure of the machine is favorably reduced, and the manufacturing cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a front view of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at B;
FIG. 5 is a schematic perspective view of the present invention;
FIG. 6 is an enlarged view at C of FIG. 5;
FIG. 7 is a plan cross-sectional view of the cartridge and tapered conduit of the present invention;
FIG. 8 is an enlarged view of FIG. 7 at D;
in the figure: the device comprises a support frame 1, a repairing mechanism 2, a support rod 3, a sliding plate 4, a camera 5, a heating tank 6, a driving assembly 7, an extrusion assembly 8, a swinging assembly 9, a speed reducing motor 10, a gear 11, an arc-shaped rack 12, a bearing plate 13, an arc-shaped limiting rod 14, an arc-shaped sliding block 15, a micro motor 16, a lead screw 17, an extrusion rod 18, a sliding column 19, a stepping motor 20, a steel rope 21, a rotating wheel 22, a traction block 23, a spray hole 24, a temperature sensor 25, a feeding pipe 26, an arc-shaped supporting rod 27, a pull rope 28, an installation block 29, an air cylinder 30, an air compression rod 31, a strip-shaped sliding block 32, a conical guide pipe 33, a first cavity 34, a second cavity 35, an air blowing pipe 36, a conveying pipe 37, a one-way valve 38, a support plate 39, a telescopic spring 40 and a guide wheel 41.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 8, the automatic repair welding machine for steel pipes comprises two support frames 1 and eight support legs, wherein the eight support legs are symmetrically arranged on the ground, each support frame 1 is fixedly arranged at the top of each four support legs,
still include the controller and repair mechanism 2, fixed bracing piece 3 that is equipped with between two support frames 1, repair mechanism 2 and establish between two bracing pieces 3, repair mechanism 2 and include slide 4, camera 5, heat jar 6, drive assembly 7, extrusion subassembly 8 and swing subassembly 9, swing subassembly 9 is established at the top of bracing piece 3, slide 4 is established on swing subassembly 9, drive assembly 7 is established on swing subassembly 9, camera 5 is fixed to be established in the bottom of slide 4, heat jar 6 is inserted and is established on slide 4, extrusion subassembly 8 is inserted and is established in the inside of heating jar 6, camera 5, heat jar 6, drive assembly 7, extrusion subassembly 8 and swing subassembly 9 are electric connection with the controller.
The swinging assembly 9 comprises a speed reducing motor 10, a gear 11, an arc-shaped rack 12 and a bearing plate 13, two arc-shaped limiting rods 14 are symmetrically arranged at the tops of two supporting rods 3, the arc-shaped rack 12 is arranged on one arc-shaped limiting rod 14 in a sliding manner, an arc-shaped sliding block 15 is arranged on the other arc-shaped limiting rod 14 in a sliding manner, the speed reducing motor 10 is fixedly arranged at the top of one supporting frame 1, the gear 11 is sleeved on the output end of the speed reducing motor, the bearing plate 13 is fixedly arranged between the arc-shaped rack 12 and the arc-shaped sliding block 15, the gear 11 is connected with the arc-shaped rack 12 in a meshing manner, the speed reducing motor 10 is electrically connected with a controller, when the defect finding repair welding on one straight line on the surface of the steel pipe is finished, the speed reducing motor 10 is started through the controller, so that the gear 11 is driven to rotate through the output end of the speed reducing motor, because the gear 11 is connected with the arc-shaped rack 12 and the arc-shaped sliding block 15 are respectively connected with the two arc-shaped limiting rods 14 in a sliding manner, and because the arc-shaped rack 12 and the arc-shaped sliding block 15 are respectively and fixedly connected with two ends of the bearing plate 13, the camera 5 thereon and the heating tank 6 are driven to swing, so that defects of other positions on the surface of the steel pipe are searched and repaired.
The extrusion assembly 8 comprises a micro motor 16, a screw rod 17 and an extrusion rod 18, two fixing plates are arranged at the top of the sliding plate 4, the screw rod 17 is rotatably arranged between the two fixing plates, the micro motor 16 is inserted at the top of the fixing plates, the output end of the micro motor is fixedly connected with the top of the screw rod 17, a sliding column 19 is in threaded connection with the outer wall of the screw rod 17, the extrusion rod 18 is fixedly arranged at the bottom of the sliding column 19, the extrusion rod 18 is inserted in the heating tank 6, the micro motor 16 is electrically connected with a controller, when defects such as cracks, pits or pot holes exist on the surface of a steel pipe, the micro motor 16 and an electromagnetic valve are started through the controller, the screw rod 17 is driven to rotate, the sliding column 19 is driven to descend due to the threaded connection of the screw rod 17 and the sliding column 19, the extrusion rod 18 is fixedly connected with the bottom of the sliding column 19, the extrusion rod 18 is inserted in the heating tank 6, and the extrusion rod 18 is driven to press down in the heating tank 6, and extruding the welding flux from the spray hole 24 to the defect position on the surface of the steel pipe for filling.
The driving component 7 comprises a stepping motor 20, a steel rope 21 and two rotating wheels 22, two vertical blocks are fixedly arranged at two ends of the top of the bearing plate 13, each rotating wheel 22 is rotatably arranged on one vertical block through a hinge shaft, the steel rope 21 is sleeved between the two rotating wheels 22, the stepping motor 20 is fixedly arranged on one vertical block, the output end of the stepping motor is fixedly connected with one hinge shaft, two traction blocks 23 are symmetrically arranged at one end of the top of the sliding plate 4, each traction block 23 is fixedly connected with the steel rope 21, the stepping motor 20 is electrically connected with a controller, when the device works, the camera 5 and the stepping motor 20 are started through the controller, the camera 5 provides a real-time picture of the outer wall of the steel pipe, defects are conveniently found, the stepping motor 20 drives one rotating wheel 22 to rotate after being electrified, because the two rotating wheels 22 are rotatably connected through the hinge shaft and because the two rotating wheels 22 are sleeved through the steel rope 21, every traction block 23 all with steel cable 21 fixed connection, slide 4 and two traction block 23 fixed connection, and then the power that produces when rolling through steel cable 21 drives two traction blocks 23, and the heating jar 6 on the rethread two traction blocks 23 drive slide 4 and the.
Orifice 24 has been seted up to the bottom of heating jar 6, orifice 24's inside is equipped with the solenoid valve, fixed temperature sensor 25 and the feeding pipe 26 of being equipped with on the outer wall of heating jar 6, the sealing plug of being equipped with is inserted at the top of feeding pipe 26, solenoid valve and temperature sensor 25 all are connected with the controller electricity, heating jar 6 can start before work, heat its inside solder, until heating to gluing thick state, temperature sensor 25 real-time detection heating temperature guarantees accurate heating.
The outer wall of each support frame 1 is fixedly provided with an arc-shaped supporting rod 27, before work, a steel pipe is placed between the two support frames 1, and the two ends of the steel pipe are respectively positioned between an arc-shaped limiting rod 14 and an arc-shaped towing rod.
A pull rope 28 is fixedly arranged at the top of the extrusion rod 18, a mounting block 29 is fixedly arranged at the bottom of the sliding plate 4, an air cylinder 30 is fixedly arranged on the mounting block 29, a pressure rod 31 is inserted in the air cylinder 30, a strip-shaped sliding block 32 is fixedly arranged at the end part of the pressure rod 31, two sliding rails for the strip-shaped sliding block 32 to slide are symmetrically arranged on the outer wall of the mounting block 29, the other end of the pull rope 28 is fixedly connected with the strip-shaped sliding block 32, a tapered guide pipe 33 is communicated with one end of the air cylinder 30 far away from the strip-shaped sliding block 32, a first cavity 34 and a second cavity 35 are respectively arranged in the air cylinder 30 and the tapered guide pipe 33 and are communicated, one end of the pull rope 28 descends along with the extrusion rod 18 when the extrusion rod 18 is pressed and welded, so that the strip-shaped sliding block 32 is driven by the other end of the pull rope 28 to slide upwards in an inclined manner, and the pressure cylinder is connected with the air cylinder 30 so as to drive the pressure rod 31 to slide upwards in the air cylinder 30 in an inclined manner, the gas flow inside the first chamber 34 is forced to the inside of the delivery pipe 37.
The end of the tapered guide pipe 33, which is far away from the air cylinder 30, is provided with an air blowing pipe 36 in a communicating manner, a conveying pipe 37 is fixedly arranged between the air blowing pipe 36 and the first cavity 34, a one-way valve 38 is fixedly arranged on the outer wall of the end, which is near to the air blowing pipe 36, of the conveying pipe 37, after the air flow in the first cavity 34 is pressed into the conveying pipe 37, because the end, which is far away from the air cylinder 30, of the tapered guide pipe 33 is provided with the air blowing pipe 36 in a communicating manner, and the conveying pipe 37 is fixedly arranged between the air pipe and the first cavity 34, so that when the defect is filled, impurities such as dust, metal chips and the like in the defect are cleaned, the roundness of the filled defect is ensured to be consistent with the roundness of other surfaces of the steel pipe, the subsequent polishing is convenient, the repair welding efficiency is favorably improved, the one-way valve 38 has the effect that when the first cavity 34 is exhausted, the air flow is ensured to smoothly go out of the air blowing pipe 36, the impurity blowing effect is realized, and when the air pressing pipe is reset every time, the air stream from the second chamber 35 is intended not to be conveyed into the duct 37 by the action of the non-return valve 38, but directly out of the blow tube 36.
The supporting plate 39 is fixedly arranged on the outer wall of one end, close to the conical guide pipe 33, of the air cylinder 30, the supporting plate 39 is fixedly connected with the two sliding rails, the telescopic spring 40 is fixedly arranged between the supporting plate 39 and the strip-shaped sliding block 32, the telescopic spring 40 plays a role in resetting, when the extrusion rod 18 extrudes solder for one time at each time, and the solder rises and resets, the strip-shaped sliding block 32 and the air compression rod 31 on the strip-shaped sliding block can be automatically driven to slide downwards in an inclined mode to return to an initial state, further the next cleaning effect is guaranteed, meanwhile, when the air compression cylinder resets, due to the effect of the check valve 38, air flow extruded from the inside of the second chamber 35 is directly blown to the filled defect from the air blowing pipe 36, the solder filled into the defect is blown and cooled, solidification is accelerated, further, the repair welding efficiency and repair welding quality are prompted, and the surface quality of the steel pipe after repair welding is favorably improved.
The guide wheels 41 are arranged on the outer wall of the bottom of the fixing plate and the side wall of one end of the sliding plate 4, the pull rope 28 is sleeved with the two guide wheels 41, the two guide wheels 41 play a limiting effect, and the pull rope 28 is ensured to drive the strip-shaped sliding block 32 to slide obliquely, so that the air pressing rod 31 is driven to slide smoothly in the air cylinder 30.
The working principle of the invention is as follows: before the work, put the steel pipe between two support frames 1 earlier to keep the both ends of steel pipe to be located respectively between an arc gag lever post 14 and an arc tow bar, heating tank 6 can start before the work, heats its inside solder, and until heating to gluing thick state, temperature sensor 25 real-time detection heating temperature guarantees accurate heating.
The during operation, at first start camera 5 and step motor 20 through the controller, camera 5 provides the real-time picture of steel pipe outer wall, conveniently seek the defect, step motor 20 drives one of them runner 22 rotation after the circular telegram, because two runners 22 all rotate through the articulated shaft and connect, because two runners 22 cup joint through steel cable 21 again, every traction block 23 all with steel cable 21 fixed connection, slide 4 and two traction block 23 fixed connection, and then the power that produces when rolling through steel cable 21 drives two traction blocks 23, two traction blocks 23 of rethread drive slide 4 and the heating tank 6 on it slide.
When the defects of cracks, depressions or pot holes and the like exist on the surface of the steel pipe, the micro motor 16 and the electromagnetic valve are started through the controller, so that the screw rod 17 is driven to rotate, the screw rod 17 is in threaded connection with the sliding column 19, the sliding column 19 is driven to descend, the extrusion rod 18 is in plug-in connection with the heating tank 6 because the bottom of the sliding column 19 is fixedly connected with the extrusion rod 18, the extrusion rod 18 is driven to be pressed downwards in the heating tank 6, and solder is extruded from the spray hole 24 to the defect position on the surface of the steel pipe to be filled.
When the pressing repair welding is performed on the pressing rod 18, one end of the pulling rope 28 descends along with the pressing rod 18, so that the other end of the pulling rope 28 drives the strip-shaped sliding block 32 to slide upwards in an inclined manner, and the air cylinder is inserted into the air cylinder 30, so that the air pressing rod 31 is driven to slide upwards in an inclined manner inside the air cylinder 30, and the air flow inside the first chamber 34 is pressed into the conveying pipe 37.
When the air flow in the first cavity 34 is pressed into the conveying pipe 37, because the end of the tapered guide pipe 33 far away from the air cylinder 30 is communicated and designed with the air blowing pipe 36, the conveying pipe 37 is fixedly designed between the air pipe and the first cavity 34, so that when the defect is filled, impurities such as dust, metal chips and the like in the defect are cleaned, the filled defect is ensured to be consistent with the roundness of other surfaces of the steel pipe, the subsequent polishing is convenient, the repair welding efficiency is improved, the check valve 38 has the advantages that when the first cavity 34 is exhausted, the check valve 38 is opened, the air flow is ensured to smoothly go out from the air blowing pipe 36, the impurity blowing effect is realized, when the air pressing pipe is reset every time, the air flow blown out from the second cavity 35 is not conveyed into the conveying pipe 37 under the action of the check valve 38, but directly goes out from the air blowing pipe 36, the two guide wheels 41 play a role of limiting, and the strip-shaped sliding block 32 is ensured to be driven by the pull rope 28 to slide obliquely, thereby driving the air-compressing rod 31 to slide smoothly inside the air cylinder 30.
When the extrusion rod 18 extrudes the solder for one time at every time and rises to reset, the bar-shaped sliding block 32 and the air compression rod 31 on the bar-shaped sliding block can be automatically driven to slide downwards in an inclined mode to return to an initial state, further the next cleaning effect is ensured, meanwhile, when the air compression cylinder resets, due to the effect of the one-way valve 38, air flow extruded from the inside of the second cavity 35 is directly blown to the filled defect part from the air blowing pipe 36, the solder filled into the defect is cooled by air blowing, solidification is accelerated, further the repair welding efficiency and repair welding quality are prompted, and the surface quality of the steel pipe after repair welding is favorably improved.
After the defect finding repair welding on a straight line on the surface of the steel pipe is finished, the speed reducing motor 10 is started through the controller, so that the gear 11 is driven to rotate through the output end of the speed reducing motor, the gear 11 is meshed with the arc-shaped rack 12 and is connected with the arc-shaped sliding block 15 and the arc-shaped rack 12 and the arc-shaped sliding block 15 are respectively connected with the two ends of the bearing plate 13 in a sliding mode, the bearing plate 13 is driven to swing with the camera 5 and the heating tank 6 on the bearing plate, and the defects of the rest positions on the surface of the steel pipe are found and repaired.
When the repair welding on the outer wall of one half of the surface of the steel pipe is finished, the steel pipe can be turned over by 180 degrees, and then the defect searching and repair welding on the outer wall of the other half of the surface are carried out.
Claims (10)
1. The utility model provides an automatic repair welding machine of steel pipe, includes two support frames (1) and eight supporting legss, eight supporting legss are the symmetry and set up subaerial, and every support frame (1) is all fixed to be established at the top of every four supporting legss, its characterized in that:
the device is characterized by further comprising a controller and a repairing mechanism (2), wherein a support rod (3) is fixedly arranged between the two support frames (1), the repairing mechanism (2) is arranged between the two support rods (3), the repairing mechanism (2) comprises a sliding plate (4), a camera (5), a heating tank (6), a driving assembly (7), an extrusion assembly (8) and a swinging assembly (9), the swinging assembly (9) is arranged at the top of the support rod (3), the sliding plate (4) is arranged on the swinging assembly (9), the driving assembly (7) is arranged on the swinging assembly (9), the camera (5) is fixedly arranged at the bottom of the sliding plate (4), the heating tank (6) is inserted on the sliding plate (4), the extrusion assembly (8) is inserted in the heating tank (6), the camera (5), the heating tank (6), the driving assembly (7), the extruding assembly (8) and the swinging assembly (9) are electrically connected with the controller.
2. The automatic repair welding machine for steel pipes according to claim 1, characterized in that: swing subassembly (9) are including gear motor (10), gear (11), arc rack (12) and loading board (13), the top of two bracing pieces (3) is the symmetry and is provided with two arc gag lever posts (14), arc rack (12) slide and set up on one of them arc gag lever post (14), it is equipped with arc slider (15) to slide on another arc gag lever post (14), gear motor (10) are fixed to be established at the top of one of them support frame (1), gear (11) cover is established on its output, loading board (13) are fixed to be established between arc rack (12) and arc slider (15), gear (11) and arc rack (12) meshing are connected, gear motor (10) are connected with the controller electricity.
3. The automatic repair welding machine for steel pipes according to claim 2, characterized in that: extrusion subassembly (8) are including micromotor (16), lead screw (17) and pressure ram (18), the top of slide (4) is equipped with two fixed plates, lead screw (17) are rotated and are established between two fixed plates, micromotor (16) are inserted and are established the top of fixed plate, the top fixed connection of its output and lead screw (17), threaded connection has traveller (19) on the outer wall of lead screw (17), pressure ram (18) are fixed to be established in the bottom of traveller (19), and pressure ram (18) are pegged graft with heating jar (6), micromotor (16) are connected with the controller electricity.
4. The automatic steel pipe repair welding machine according to claim 3, characterized in that: drive assembly (7) include step motor (20), steel cable (21) and two runners (22), the fixed two piece that found that are equipped with in top both ends of loading board (13), every runner (22) all rotate through the articulated shaft and establish on one founds the piece, steel cable (21) cover is established between two runners (22), step motor (20) are fixed to be established on one of them founds the piece, its output and one of them articulated shaft fixed connection, the top one end of slide (4) is the symmetry and is provided with two traction block (23), every traction block (23) all with steel cable (21) fixed connection, step motor (20) are connected with the controller electricity.
5. The automatic steel pipe repair welding machine according to claim 4, characterized in that: the bottom of the heating tank (6) is provided with a spray hole (24), the inside of the spray hole (24) is provided with an electromagnetic valve, the outer wall of the heating tank (6) is fixedly provided with a temperature sensor (25) and a feeding pipe (26), the top of the feeding pipe (26) is inserted with a sealing plug, and the electromagnetic valve and the temperature sensor (25) are electrically connected with a controller.
6. The automatic steel pipe repair welding machine according to claim 5, characterized in that: an arc-shaped supporting rod (27) is fixedly arranged on the outer wall of each supporting frame (1).
7. The automatic repair welding machine for steel pipes according to claim 6, characterized in that: the top of the extrusion rod (18) is fixedly provided with a pull rope (28), the bottom of the sliding plate (4) is fixedly provided with a mounting block (29), an air cylinder (30) is fixedly arranged on the mounting block (29), an air pressing rod (31) is inserted in the air cylinder (30), a strip-shaped sliding block (32) is fixedly arranged at the end of the air pressing rod (31), two sliding rails for the strip-shaped sliding block (32) to slide are symmetrically arranged on the outer wall of the mounting block (29), the other end of the pull rope (28) is fixedly connected with the strip-shaped sliding block (32), one end of the air cylinder (30), which is far away from the strip-shaped sliding block (32), is communicated with a conical guide pipe (33), a first cavity (34) and a second cavity (35) are respectively arranged in the air cylinder (30) and the conical guide pipe (33), and the first cavity (34) and the second cavity are communicated.
8. The automatic repair welding machine for steel pipes according to claim 7, characterized in that: an air blowing pipe (36) is communicated with one end, far away from the air cylinder (30), of the conical guide pipe (33), a conveying pipe (37) is fixedly arranged between the air blowing pipe (36) and the first cavity (34), and a check valve (38) is fixedly arranged on the outer wall of one end, close to the air blowing pipe (36), of the conveying pipe (37).
9. The automatic steel pipe repair welding machine according to claim 8, characterized in that: a supporting plate (39) is fixedly arranged on the outer wall of one end of the air cylinder (30) close to the conical guide pipe (33), the supporting plate (39) is fixedly connected with the two sliding rails, and a telescopic spring (40) is fixedly arranged between the supporting plate (39) and the strip-shaped sliding block (32).
10. The automatic repair welding machine for steel pipes according to claim 9, characterized in that: all be equipped with leading wheel (41) on the bottom outer wall of fixed plate and the one end lateral wall of slide (4), stay cord (28) all cup joints with two leading wheels (41).
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| CN202210463207.7A CN114669903B (en) | 2022-04-28 | 2022-04-28 | Automatic repair welding machine for steel pipes |
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| CN202210463207.7A CN114669903B (en) | 2022-04-28 | 2022-04-28 | Automatic repair welding machine for steel pipes |
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