77 results about "Orbital welding" patented technology

The invention relates to the technical field of welding fault analysis, in particular to a rail welding process information intelligent collection and analysis method based on the Internet of Things technology, and the method comprises the steps: obtaining the data of each welding parameter in the rail welding process through an Internet of Things intelligent sensor group; according to the discrete degree of all modal component data in each welding parameter before each collection moment, the instantaneous interference complexity of each welding parameter at each collection moment is obtained in combination with the average level of the similarity degree between the modal components of the welding parameters, and then the credibility weight of each welding parameter at each collection moment is obtained; the method comprises the following steps: analyzing the interference removing singularity of each acquisition moment in the track welding process to obtain the interference removing singularity of each acquisition moment in the track welding process, analyzing the correlation between the interference removing singularity and each welding parameter in the track welding process to obtain the correlation fault significance of each acquisition moment in the track welding process, and judging the fault condition of the track welding equipment based on the correlation fault significance. The accuracy of intelligent analysis in the track welding process can be improved.

The invention belongs to the technical field of corrugated plate welding, and particularly relates to an automatic laser welding device and method for a corrugated plate of an LNG transport ship. The device comprises a corrugated plate clamp, a walking track, a welding trolley and a laser welding machine. The corrugated plate clamp achieves clamping of corrugated sections of the corrugated plate through a four-connecting-rod mechanism composed of a pressing rod, a connecting rod, a telescopic rod and a locking fastener. The walking track is fixed to a base of the corrugated plate clamp, and a rack is arranged on the walking track. A gear meshed with the rack is arranged at the bottom of the welding trolley and carries the laser gun head to move along the track. The laser welding machine modulates a single light spot into a plurality of light spots which are linearly distributed in an array mode, a light spot array is perpendicular to a welding seam, the energy of the light spot in the middle is higher than the energy distribution of the light spots on the two sides, and the method for welding the corrugated plate through the device is provided. When the device is used for welding the corrugated plate of the LNG transport ship, the welding speed is high, the forming quality is good, deformation is small, and consistency is high.

The invention discloses track welding equipment and a welding method for track welding, and the track welding equipment comprises a bearing vehicle which comprises a bearing platform and a hoisting assembly arranged on the bearing platform; the welding vehicle set is borne by the bearing table, the welding vehicle set comprises a welding locomotive, and the welding locomotive comprises a welding machine and an adjusting assembly; the adjusting assembly comprises a frame, a transverse adjusting assembly, a longitudinal adjusting assembly and a vertical adjusting assembly, the transverse adjusting assembly, the longitudinal adjusting assembly and the vertical adjusting assembly are arranged on the frame, the hoisting assembly can hoist and move the welding vehicle set or the welding machine, and the adjusting assembly can be connected with the welding machine to drive the welding machine to move to a target welding position. Therefore, the position of the welding machine can be flexibly adjusted according to working conditions, and welding operation efficiency is improved.

A box type guide rail of a hydraulic climbing device of a tower building machine comprises two side plates, a middle plate is arranged between the two side plates, and the middle plate and the side plates are connected in an inserted mode and then fixed in a welding mode to form the box type guide rail. The box-type guide rail aims to solve the technical problem of a box-type guide rail in a hydraulic climbing device of a tower building machine, a traditional box-type guide rail is difficult to weld and form and poor in consistency, an innovative structure that the middle plate and the side plates are welded after being connected in an inserted mode is adopted, the middle plate and the side plates are cut through laser, and matched plugs and insertion holes are designed; wherein a chamfer is arranged at the outer side end of the plug, so that the welding difficulty is successfully reduced, the consistency of each box type rail finished product is ensured, the production quality and efficiency of the box type guide rail are effectively improved, and reliable guarantee is provided for stable operation of a tower building machine.

The utility model relates to the technical field of track equipment, in particular to a track stopping device and a track stopping system. The normal direction of the bottom plate is arranged in the first direction. The clamping piece is arranged on one face, in the first direction, of the bottom plate, and the distance between the clamping piece and the bottom plate is adjustable; the stopping piece is connected to the other face, in the first direction, of the bottom plate, and the stopping piece extends in the direction away from the bottom plate in the first direction; the triggering rod is connected with the stopping piece, the triggering rod extends in the direction away from the stopping piece in the second direction, and the second direction is perpendicular to the first direction; and the distance between the trigger rod and the bottom plate is adjustable. The rail backstop device can solve the technical problems that an existing rail backstop device adopts a fixed structure and is connected with a rail in a welded mode, so that the installation efficiency is low, rail base metal is damaged, and the rail backstop device cannot adapt to different operation scenes.

The utility model relates to the technical field of fixing devices, in particular to a crane track welding fixing device. According to the technical scheme, the fixing device comprises a base and fixing device bodies, the fixing device bodies are arranged at the two ends of the top surface of the base, bases are arranged in the fixing device bodies, inserting grooves are formed in the two sides of the surface of each base, inserting blocks are arranged in the inserting grooves in a sliding mode, bottom plates are arranged on the surfaces of the inserting blocks, and second fixing holes are formed in the bottom plates in a penetrating mode. The welding fixing device has the advantages that flexible adjustment of the position of the pressing plate is achieved through adjustable connection of the screws and the bottom plate, the bottom plate is installed in the inserting grooves in a sliding mode through the inserting blocks, so that the pressing plate can be accurately positioned according to requirements, the problem that a traditional welding fixing device is poor in adaptability is solved, the pressing plate can be fixed or adjusted by screwing the screws, and the welding fixing device is convenient to use. Maintenance convenience and flexibility of the track fixing device are greatly improved, and the track fixing device adapts to various working environments and track specifications.

The invention provides a semiconductor pipeline weld joint intelligent detection and compensation method based on space attention, and the method comprises the steps: recognizing an internal fusion region image, an external fusion region image, an internal heat affected region image and an external heat affected region image of a welded special gas pipeline based on a collected 2D image and 3D point cloud of the welded special gas pipeline; respectively inputting the internal fusion region image, the external fusion region image, the internal heat affected region image and the external heat affected region image of the welded special gas pipeline into a pre-trained welding defect identification model to obtain a defect identification result output by the welding defect identification model, the defect identification result is used for indicating a welding defect type and a defect quantification out-of-tolerance degree value existing in the welded special gas pipeline; and on the basis of the defect recognition result, a corresponding process compensation scheme is matched in a process parameter association library, so that welding process parameters of the subsequent welding special gas pipeline of the tungsten electrode track welding equipment are adjusted.

The invention provides welding equipment and a welding method. The welding equipment comprises a positioning tool, a track, a welding module and a control system. The positioning tool is used for bearing and positioning the butt joint plate; the track is arranged on the ground or a platform, and the track and the positioning tool are arranged at intervals; the welding module comprises a stand column, a cantilever, a mechanical arm, a welding gun and a visual acquisition mechanism; the stand column is arranged on the track and driven by the walking driving mechanism to walk along the track. One end of the cantilever is connected with the stand column and extends in the horizontal direction, and the cantilever is driven by a lifting driving mechanism to ascend and descend relative to the stand column and driven by a rotating driving mechanism to rotate in the horizontal direction. One end of the mechanical arm is connected with the cantilever; the welding gun is arranged at the other end of the mechanical arm; the visual acquisition mechanism is arranged at the other end of the mechanical arm and is used for acquiring shape data of a butt joint of the butt joint plate; the control system controls the mechanical arm and the welding gun according to morphology data collected by the visual collection mechanism.

The invention relates to an orbital welding method in which two joining partners (152, 154), which are tubular at least in a joining region (150), are arranged relative to one another, in particular in a lap joint, and in which a chain (211) of joining points (210) running in the circumferential direction of the joining partners (152, 154) is produced in the joining region (150), which chain integrally connects the joining partners (152, 154), wherein, in order to produce the chain (211) of joining points (210), an arc burns between a welding electrode (126) and at least one of the joining partners (152, 154), wherein the arc is operated with a characteristic curve which has a sequence of welding cycles each with at least a high-current phase and a low-current phase, and wherein the sequence of welding cycles comprises welding cycles which differ in at least one welding parameter, and / or the characteristic curve has, before or after the sequence of welding cycles, one or more cycles which differ from the welding cycles in at least one welding parameter. The invention further relates to an orbital welding device (100, 101) and a system (700) having such an orbital welding device (100, 101).

The utility model belongs to the technical field of copper strip welding, and discloses copper strip welding equipment which comprises a first support, an ejection air cylinder and a vertical rod are arranged at the top of the first support, and the vertical rod and the ejection air cylinder are collinear; the middle section and the right end of the connecting rod are movably connected with the top of the vertical rod and a piston of the ejection air cylinder respectively; the left end of the connecting rod is movably connected with a welding positioning pressure head; a feeding rail is arranged at the top of the second support, and the welding positioning pressing head is located over the feeding rail; a laser welding assembly is movably arranged on the top of the third support; the equipment is reasonable in overall structural design, and precise positioning in the copper strip welding process is achieved through cooperation of the assemblies on the supports; through the accurate positioning relation among the welding positioning pressure head, the feeding track and the laser welding assembly, the welding precision is effectively improved, the welding defects are reduced, the quality of the welded copper strip is guaranteed, and the requirement for high-precision copper strip welding machining can be met.

An orbital welding device (1), having a welding current source (10) in a welding current source housing (11) and an orbital welding head (20), which is separate from the welding current source housing (11) and is connected to the welding current source (10) by a cable (2), the orbital welding head (20) having a pipe mount (21) and a welding electrode holder (22) for holding a welding electrode (23). An electric motor (31) is designed to drive the welding electrode holder (22) and thus turn it with respect to the pipe mount (21). The orbital welding head (20) has a chamber (50) for shielding gas. An optical oxygen sensor (40) is designed to measure an oxygen concentration in a measuring region (51) in the chamber (50). The oxygen sensor (40) is arranged outside the chamber (50) and is optically coupled to the measuring region (51) by an optical coupling.

The invention relates to an orbital welding device with a welding head that has a receptacle for positioning a joining area of two joining partners, in particular a fitting and a pipe end, in which joining partners are tubular at least in the joining area. The welding head has a first opening and a second opening opposite the first opening, between which the receptacle extends, and wherein the welding head is adjustable between an open position and a closed position. The welding head, in the open position, has an insertion opening connecting the first and second openings for inserting a joining area of two joining partners, which are tubular at least in the joining area, into the receptacle, and wherein the insertion opening is at least partially closed in the closed position. The invention further relates to a system with such an orbital welding device and an orbital welding method.

The invention relates to the technical field of rail welding, in particular to a leveling and supporting device for steel rail welding butt joint. And the supporting assembly is arranged on the base and used for supporting the track. The supporting assembly comprises two containing plates arranged on the base, one containing plate can move up and down based on the base, the other containing plate can move up, down, left and right based on the base, an adjusting assembly is arranged between the two containing plates, and the horizontal height of the two containing plates is adjusted through the adjusting assembly. And a filling air bag used for adjusting the horizontal swing angle of the track is further arranged in the placing plate, so that the welding quality of the equipment is effectively guaranteed, manual operation steps are reduced, and the welding efficiency is improved.

The welding clamp comprises a welding platform, a protective shell, a hydraulic cylinder, a sliding platform and a limiting assembly, the protective shell is fixedly connected to the upper surface of the welding platform, feeding ports are formed in the left side and the right side of the protective shell, and a mounting box is fixedly arranged in the middle of the inner top face of the protective shell; the hydraulic cylinders are fixedly mounted on the inner top face of the mounting box in parallel, piston rods of the hydraulic cylinders are fixedly connected with the upper surface of the sliding platform, a sliding rail is arranged on the lower bottom face of the sliding platform, the welding robot is slidably mounted in the sliding rail, and a first control block is fixedly connected to the upper surface of the sliding platform. The two limiting assemblies are arranged on the left side and the right side of the first control block in a bilateral symmetry mode. Through the arrangement of the limiting assembly, the correcting assembly and the positioning column, the operation complexity of the welding robot in the using process is greatly reduced, and meanwhile, through the arrangement of the adjusting rod and the distance adjusting and controlling element, the welding robot can be suitable for welding of parts of various specifications.

The invention relates to a welding current source (128) for an orbital welding device (100, 101), having a first and a second output (174, 176) for feeding an arc welding process of an orbital welding device (100, 101). The welding current source (128) has a coil (604) which has a first coil connection (606), a second coil connection (610), and an intermediate tap (608), a first winding part (612) of the coil (604) being electrically connected between the first coil connection (606) and the intermediate tap (608) and a second winding part (614) of the coil (604) being electrically connected between the intermediate tap (608) and the second coil connection (610). The invention further relates to a method for operating the welding current source (128), to an orbital welding device (100, 101) having such a welding current source (128), and to a system (700) having such an orbital welding device (100, 101).

The invention relates to an orbital welding device with a welding head that has a receptacle for positioning a joining area of two joining partners, in particular a fitting and a pipe end which joining partners are tubular at least in the joining area, wherein The welding head has an electrode ring segment which is arranged in the circumferential direction around the receptacle and is mounted in such a way that the electrode ring segment can be rotated about an imaginary longitudinal axis of the receptacle. The electrode ring segment has an electrode holder for a welding electrode and / or a welding electrode. The welding head has drive means, in particular one or more driven drive wheels, for driving the electrode ring segment about the imaginary longitudinal axis. The invention further relates to a system, with such an orbital welding device and an orbital welding method.

The present application relates to the technical field of lining welding, and particularly relates to a steel ring lining alignment welding trolley, which comprises a stepping device, a working platform, a steel ring longitudinal traction device, a ring-shaped running track, a welding device and an alignment device, the stepping device is capable of moving in a first direction; the working platform is arranged on the stepping device; the steel ring longitudinal traction device is arranged on the working platform and is used for grabbing a steel ring and moving the steel ring to a butt joint position; the ring-shaped running track is arranged on the working platform; the welding device is capable of moving along the ring-shaped running track and welding a weld joint between adjacent steel rings; and the alignment device is capable of moving along the ring-shaped running track and is used for adjusting the misalignment of the steel ring. The misalignment size of the steel ring is detected by using the alignment device, and the position of the steel ring is quickly adjusted to solve the misalignment problem, so that the welding positioning requirement is met, the construction process is simple, and the welding efficiency and welding quality can be effectively ensured.

The invention relates to an orbital welding process in which two joining partners (152, 154) that are tubular in at least one joining area (150) are arranged relative to each other, in particular in a lap joint, and in which a chain (211) of joining points (210) extending circumferentially to the joining partners (152, 154) is generated in the joining area (150), which connects the joining partners (152, 154) by a material bond, wherein an arc burns between a welding electrode (126) and at least one of the joining partners (152, 154) to generate the chain (211) of joining points (210), wherein the arc is operated with a current characteristic curve that has a sequence of welding cycles with at least one high-current phase and one low-current phase, wherein the welding energies (Esz) of the individual welding cycles are in the range of 30–240 J, preferably 35 - 220 J, particularly 40 - 195 J.The invention further relates to an orbital welding device (100, 101) and a system (700) with such an orbital welding device (100, 101).

The utility model discloses a railway construction track welding device concretely relates to railway construction technical field, and includes: U type support frame, the inside top of U type support frame is provided with mechanical arm, and the output of mechanical arm is connected with the welding torch, the both sides of U type support frame all are provided with movable fixed frame. The utility model discloses through the symmetrical setting fixed frame, movable block, positioning arm, moving mechanism and elevating system at the both sides of U type support frame, can make fixed frame drive two positioning arms to descend and clamping track, and through setting material pressing subassembly, fixed frame descends simultaneously, and the pressing plate on material pressing subassembly can press to track, when two positioning arms are clamped in the both sides of track, the pressing plate also can be pressed tightly on the above track, and is equipped with two groups of positioning arms and pressing plate respectively in the both sides of welding spot, and then can effectively fix the welding track, avoids the vibration displacement of track, and greatly guarantees the welding quality, and the use effect is better.

The utility model relates to the technical field of workpiece welding, in particular to a large track welding tool which comprises multiple sets of moving tracks and multiple sets of moving seats, multiple sets of fixing assemblies are arranged on the sides, away from the moving seats, of the moving tracks, each fixing assembly comprises a first fixing rod, a supporting plate is slidably connected to the first fixing rod in a sleeved mode, and the supporting plate is arranged in a groove shape. The supporting plate is arranged on the first fixing rod in a sliding mode, the supporting plate makes contact with a fixing face, the contact face can be increased, the supporting plate and the first fixing rod are arranged in a mutual sliding mode, when the height of the fixing face is uneven, the supporting plate makes contact with the fixing face, and therefore the fixing face can be fixed conveniently. The supporting rod is in threaded connection with the moving track, and the length of the supporting rod extending out of the moving track is conveniently controlled by rotating the supporting rod, so that the supporting rod abuts against the supporting plate, and the moving track is supported.

The invention discloses a method for welding and maintaining a crown block track in a high-intensity magnetic field environment of an aluminum electrolysis workshop, belongs to the technical field of electrolytic aluminum equipment, and aims to solve the problem that in the prior art, no technology for welding, structure limiting and dynamic telescopic compensation of the crown block track of the aluminum electrolysis workshop exists. The problems that welding quality is poor, rail displacement is frequent after welding, and the overhaul period is short are solved. The method comprises the steps of steel rail preparation, rail alignment, sand mold mounting and clamping, preheating, crucible preparation, ignition and welding, box opening, overlap pushing and service life prolonging and maintenance. The method is suitable for crown block rails of various types and materials, and in rail application except for the embodiment, the welding seam can be better matched with the rail by adjusting the formula of the welding flux. In the whole maintenance operation, almost no waste gas is generated, the safety is better, and the device is suitable for popularization.

The invention relates to an orbital welding head or an orbital welding device for welding pipes, wherein a light source is arranged in a welding chamber, which is located diametrically opposite a viewing window. This arrangement of the light source of the viewing window allows very reliable, precise alignment of end sections of pipes to be welded. According to a further aspect, a control device is provided for controlling the light source located in the welding chamber, so that different light signals can be output by the light source. According to a third aspect, a viewing window is formed by a glass pane, wherein the glass pane has a darkening coating typical of welding glasses, wherein at least one front edge section of the glass pane is exposed, which is not darkened or is less darkened, so that light can escape freely at the edge section.

The invention is directed at the mechanical engineering industry field. More in detail, the invention concerns an orbital welding head (1) for welding tubes (2) to tube plates (3) of heat-exchangers comprising, operationally connected to each other: an electrode holder welding torch (4), supply lines for a welding current and technical gases; a rotating joint (6) comprising a hollow fixed distributor body, a bush comprising an external thread adapted to cooperate with a corresponding internal thread of said fixed distributor body and adapted to be fitted on a rotating shaft, and a plurality of flexible blades adapted to deform elastically to ensure the contact and transmission of the welding current from said fixed distributor body a said rotating shaft. Said flexible blades each comprise a first and second end, where each first end protrudes axially from said bush and each second end is free, so as to be cantilevered with respect to said bush to elastically clamp said rotating shaft.

A rail welding transition material resistant to stress corrosion damage and preparation method thereof, belonging to the technical field of welding transition materials. The rail welding transition material resistant to stress corrosion damage includes the following components in mass percentage: 0.02-0.04 percent (%) of Carbon (C), Silicon (Si)≤0.20%, 6.5-7.0% of Manganese (Mn), 11.0-11.5% of Nickel (Ni), 17.6-18.0% of Chromium (Cr), 2.1-2.4% of Molybdenum (Mo), 0.02-0.04% of Nitrogen (N), 0.05-0.15% of Niobium (Nb), 0.05-0.15% of Vanadium (V), Phosphorus (P)≤0.015%, Sulfur(S)≤0.010%; with the balance being Ferrum (Fe).

1. The name of this design product: orbital welding head (closed type). 2. Application of this design product: used for pipeline welding. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to a kind of flow improving devices at wing root side of front edge slat wing root, comprising: front edge slat, by support, rack, gear mechanism and wing leading edge can be retracted connection;Slat channel, be opened in the lower skin of the inner surface of the near wing root cavity of front edge slat, width than baffle joint pillar diameter 1-2mm;Slat side edge baffle, through baffle joint pillar wear slat channel;Baffle storage bin track, welding between two baffle storage bin wallboard, width than slat side edge baffle thickness 2-4mm;Baffle curved protrusion, fixed in the lower side of slat side edge baffle rear, with baffle storage bin track sliding contact;Sealing element is set to the profile of slat side edge baffle top and baffle storage bin opening edge.The utility model, using movable baffle and front edge slat coordinated motion, break through the design limit of fixed isolation piece to slat side edge, realize the drag reduction of downflow layout, cooperate sealing element to reduce airflow interference, increase stall angle of attack and maximum lift coefficient, improve aerodynamic performance.

The present application relates to a kind of cutter suction dredger slide rail manufacturing method, comprising the following steps: step 1, slide rail structure segmentation division;Step 2, the ship body structure manufacturing of the segment where slide rail is located;Step 3, slide rail welding and deformation control;Step 4, side suction installation;Step 5, slide rail and suction port machining;Step 6, ship body wedge installation;Step 7, slide rail segment closing and precision control;Step 8, slide installation debugging;Step 9, butterfly door function debugging;The manufacturing method of the present application moves forward through process, and slide rail is welded on section, reduces the workload of subsequent structure manufacturing;Optimization to rail installation process, by controlling the deformation of rail welding, improve the flatness of rail manufacturing, reduce the machining amount of rail, effectively shorten construction period and cost.