50 results about "Orbital welding" patented technology

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.

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 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).

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 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 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 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 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).

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.

The invention relates to a welding power source (128) for an orbital welding device (100, 101), with a first and second output (174, 176) for supplying an arc welding process of an orbital welding device (100, 101), with a coil (604) and with a power supply (624) which has a first and a second connection (626, 628), wherein the first connection (626) is electrically connected to the first output (174) via the coil (604), wherein the second connection (628) is electrically connected to the second output (176), and wherein the power supply (624) has an electronic switching unit (196) which is configured to switch the electrical voltage between the two connections (626, 628) back and forth between at least two voltage ranges.The invention further relates to a method for operating the welding power source (128), an orbital welding device (100, 101) with such a welding power source (128) and a system (700) with such an orbital welding device (100, 101).

The invention relates to an orbital welding device (100, 101) with a welding head (104) having a receptacle (106) for positioning a joining area (150) of two joining partners that are at least tubular in the joining area (150), in particular a fitting (152) and a pipe end (154), wherein the welding head (104) has a first opening (166) and a second opening (168) opposite the first opening (166), between which the receptacle (106) extends, and wherein the welding head (104) is adjustable between an open position and a closed position, wherein in the open position the welding head (104) has an insertion opening (164) connecting the first and second openings (166, 168) for inserting a joining area (150) of two joining partners that are at least tubular in the joining area (150) into the receptacle. (106) and wherein the insertion opening (164) is at least partially closed in the closed position.The invention further relates to a system (700) with such an orbital welding device (100, 101) and an orbital welding process.

The present application relates to the technical field of rail welding, and particularly relates to a welding method for full-position hole internal corner, which comprises the following steps: selecting welding conditions; setting welding parameters, and welding base material by adopting CMT pulse mode; wherein, starting arc from 5-6 o'clock position, and when welding to 7-9 o'clock position, the nozzle is attached to 3-5 o'clock position, taking 3-5 o'clock position as fulcrum, welding to 10 o'clock position at a second welding speed, and then welding to 12 o'clock position at a third welding speed; starting arc from 5-6 o'clock position, and when welding to 1-3 o'clock position, the nozzle is attached to 6-8 o'clock position, taking 6-8 o'clock position as fulcrum, welding upward angle welding PD position, and then welding to 12 o'clock position at a fifth welding speed. The welding method for full-position hole internal corner of the present application embodiment reduces the difficulty and working strength of operation, guarantees the welding quality, and is beneficial to improving the qualified rate of weld.

The invention relates to an orbital welding method in which two parts (152, 154) to be joined, which are tubular at least in a joining region (150), are arranged in relation to one another, in particular with a lap joint, and in which a chain (211) of joining points (210) which runs in the circumferential direction of the parts (152, 154) to be joined is created in the joining region (150) and integrally bonds the parts (152, 154) to be joined, wherein, to create the chain (211) of joining points (210), an arc burns between a welding electrode (126) and at least one of the parts (152, 154) to be joined, the arc being operated with a current characteristic curve comprising a sequence of welding cycles each with at least one high-current phase and one low-current phase, the welding energies (ESZ) of the individual welding cycles lying in the range of 30-240 J, preferably 35-220 J, in particular 40-195 J. The invention further relates to an orbital welding machine (100, 101) and to a system (700) comprising such an orbital welding machine (100, 101).

The invention relates to a fitting (152, 702, 802), in particular a push-on fitting, for permanently connecting to a pipe end (154, 704, 804, 904, 1004) of a pipeline by means of orbital welding, with a fitting body (706) which has a tubular joining area (708, 709) with a fitting opening (710, 711) for inserting a pipe end (154, 704, 804, 904, 1004), wherein the fitting body (706) has an outer contour (714) extending from the fitting opening (710, 711) and wherein the outer contour (714) has an axial contour (724) spaced apart from the fitting opening (710, 711) for positive locking fixation of the fitting body (706) in the longitudinal direction. The invention relates to a further fitting (902, 1002), in particular a push-in fitting, for permanently connecting to a pipe end (154, 704, 804, 904, 1004) of a pipeline by means of orbital welding.The invention further relates to an orbital welding device (100, 101, 801, 901, 1001), a system (700, 800, 900, 1000) with such an orbital welding device and uses of the fittings.

The utility model discloses a movable track welding robot for welding a large platform. The movable track welding robot comprises a movable frame, a mechanical arm, a mechanical arm electric cabinet, a track and a signal electric cabinet. Wherein the movable frame serves as an integral frame of the robot and can slide on the track; the mechanical arm is fixed on the movable frame; the mechanical arm electric cabinet is arranged in the movable frame and is used for managing and controlling a power supply of the track welding robot; the track can be spliced and extended; and the signal electrical cabinet is used for signal acquisition and processing of the track welding robot.

The utility model relates to the technical field of track welding, in particular to mining track welding joint strengthening treatment equipment which conveys a track through a conveying device, limits the track through a limiting device, moves an adjusting device through a moving device and adjusts the position of a lifting device through the adjusting device. The welding device is lifted through the lifting device, and welding is conducted through the welding device; comprising a console; the welding machine further comprises a conveying device, a limiting device, a moving device, an adjusting device, a lifting device and a welding device, the conveying device, the limiting device and the moving device are all installed on the operation table, the adjusting device is installed on the moving device, the lifting device is installed on the adjusting device, and the welding device is installed on the lifting device. The conveying device conducts conveying, the limiting device conducts limiting, the moving device conducts moving, the adjusting device conducts position adjusting, the lifting device conducts lifting, and the welding device conducts welding.

The application belongs to the technical field of welding robots, and particularly relates to a ring track welding robot, which comprises a first center column and a second center column, a third center column is arranged between the first center column and the second center column, the first center column is rotationally connected with the third center column, a motor for driving the third center column to rotate is arranged in the second center column, a plurality of first foldable supports are arranged on the first center column in a circumferential direction, and a first walking device is arranged on the first foldable support; a plurality of second foldable supports are arranged on the second center column in a circumferential direction, and a second walking device is arranged on the second foldable support; a third foldable support is arranged on the third center column, and a welding gun is arranged on the third foldable support. The ring track welding robot can complete internal welding of a circular device.

The utility model relates to the technical field of travelling crane track welding, and discloses a fire blocking device for travelling crane track welding, which comprises a first fireproof plate and a second fireproof plate, the first fireproof plate is arranged on one side of the second fireproof plate, and four corners of the first fireproof plate and four corners of the second fireproof plate are rotatably connected with connecting rods. Movable frames are arranged on the two sides between the first fireproof plate and the second fireproof plate correspondingly, the two sides of the four movable frames are rotationally connected with one ends of the eight connecting rods correspondingly, and sliding rods are fixedly connected to the upper ends of two of the movable frames correspondingly; the outer surfaces of the two sliding rods are slidably connected with the middles of the other two movable frames correspondingly. When the rail welding device is used for welding a rail, the rail welding device can be arranged around a welding part, so that high-temperature flames sprayed during welding can be effectively blocked, the injury probability of maintenance personnel is reduced, and the safety of the welding work is improved.

The invention relates to an orbital welding device (100, 101) with a welding head (104) having a receptacle (106) for positioning a joining area (150) of two joining partners that are at least tubular in the joining area (150), in particular a fitting (152) and a pipe end (154), wherein the welding head (104) has a first opening (166) and a second opening (168) opposite the first opening (166), between which the receptacle (106) extends, and wherein the welding head (104) is adjustable between an open position and a closed position, wherein in the open position the welding head (104) has an insertion opening (164) connecting the first and second openings (166, 168) for inserting a joining area (150) of two joining partners that are at least tubular in the joining area (150) into the receptacle (106) and wherein the insertion opening (164) is at least partially closed in the closed position.The invention further relates to a system (700) with such an orbital welding device (100, 101) and an orbital welding process.