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32results about How to "Reduce welding labor intensity" patented technology
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Automatic assembly welding device for car frame side beam
ActiveCN101121224ANormal supplySecurity supplyWelding/cutting auxillary devicesArc welding apparatusVehicle frameEngineering
The present invention relates to an automatic welding device for vehicle frame side beam comprising two adjusting bases equipped face to face for placing frame side beam, at least two support saddles equipped between the two adjusting bases, a hydraulic clamp equipped on the support saddle and a welding car supported by two sides of the frame side beam; the upper ends faces of the two adjusting bases are relatively tilted; the upper end faces of the support saddles are lower than the lowest point of the upper end face of the adjusting base. The upper ends faces of the two adjusting bases are relatively tilted and the upper end faces of the support saddles are lower than the lowest point of the upper end face of the adjusting base, i.e. the two adjusting bases and every support saddle form a curved surface; welding is implemented on the curved surface, i.e. a camber is preset before welding; when the frame side beam is taken down after welding, the frame side beam begins to deflect and deform inversely, i.e. the preset camber is balanced out by the deflection and deformation to control the frame side beam camber in the permitted range which ensures the production quality; in addition, the welding car is adopted for the implementation of the automatic welding; in this way, the welding labor intensity is small.
Owner:CRRC QISHUYAN CO LTD
Automatic material taking device for welding of automobile door frame
InactiveCN103341705AOperational securityHigh degree of automationWelding/cutting auxillary devicesAuxillary welding devicesPhysical healthEngineering
The invention discloses an automatic material taking device for welding of an automobile door frame. The automatic material taking device for welding of the automobile door frame is safe in operation. The automatic material taking device for welding of the automobile door frame comprises a clamp support and a material taker frame which is connected with the clamp support. A sliding rail is arranged on the clamp support. A support sliding block is arranged on the sliding rail in a sliding mode. Locating blocks are symmetrically arranged on the two sides of the support sliding block. A locating groove is formed in each locating block. The bottom of the support sliding block is connected with a piston rod of a lifting cylinder. One side of the support sliding block is connected with a piston rod of a sliding cylinder. The bottom of the support sliding block is respectively arranged on guiding rods through sliding sleeves in a sliding mode. The automatic material taking device for welding of the automobile door frame has the advantages of being safe in operation, high in automatic degree, capable of greatly reducing the welding cost and relieving the labor intensity, high in working efficiency, and capable of guaranteeing the physical health of an operator.
Owner:YANCHENG HUAGUANG ZHENYONG AUTO PARTS
Angle welding process for automatic submerged-arc welding and welding tool used thereby
ActiveCN110253120AReduce welding labor intensityGood surface formabilityWelding/cutting auxillary devicesArc welding apparatusSubmerged arc weldingWall plate
The invention discloses an angle welding process for automatic submerged-arc welding. The angle welding process comprises the following technological steps: lifting and turning an assembled corrugated bulkhead; and performing flat fillet welding by an automatic submerged-arc welding machine. During assembly and welding, an assembly tool and a welding tool are respectively arranged to guarantee an included angle between wall plates of the corrugated bulkhead and to prevent welding deformation. The submerged-arc welding and flat fillet welding are adopted for the large-sized corrugated bulkhead, the welding penetration and bath entry are facilitated. The number of weld passes is effectively reduced. The surface molding effect is excellent. A ship is low in welding deformation. The welding labor intensity of a welder is greatly reduced. The repairing and grinding workload of weld joints is greatly reduced. The manual cost is cut. The consumption of a weld material is low. The production efficiency is greatly improved.
Owner:CHENGXI SHIPYARD +1
Production technology of fully-quenched high-hardness scale gear
Disclosed is a production technology of a fully-quenched high-hardness scale gear. The production technology of the fully-quenched high-hardness scale gear is characterized by comprising the following steps of selecting gear materials; determining a basic process route in the machining process of a gear ring, an accessory plate and a hub; machining the gear ring, the accessory plate and the hub respectively; and machining the gear wholly. The production technology of the fully-quenched high-hardness scale gear has the advantages that the welding labor intensity is reduced, the production efficiency is improved, and the welding quality stability is ensured; and the production technology is suitable for being used and popularized in a large-area manner.
Owner:廉哲
Construction method of steel-jacketed steel steam direct burial pipeline
InactiveCN111188945ANo stuck phenomenonThe switch degree indicator mark is accuratePipe laying and repairSocial benefitsArchitectural engineering
The invention discloses a construction method of a steel-jacketed steel steam direct burial pipeline. The method comprises the following steps of construction preparation, pipeline transportation andhoisting in place, working pipe butt-joint installation, working pipe butt-joint welding, working pipe welded junction inspection, working pipe hydraulic pressure test, outer protection pipe and working pipe temporary fixing and dismounting, working pipe welded junction corrosion prevention and heat preservation, outer protection pipe joint welding, outer protection pipe joint welding inspection,outer protection pipe joint corrosion prevention, pipe ditch backfilling, and working pipe purge. According to the method, the whole set of mature and systematic construction method is continuously improved in the actual installation and construction process, the construction method is detailed in content, reasonable in standard requirement preparation, simple in process and reasonable in procedure, compared with conventional installation, the construction period is shortened, equipment machine-team use is saved, consumed materials are saved, the working efficiency is improved, material lossesare correspondingly reduced, the construction cost is reduced, civilized construction is facilitated, improvement of environmental protection measures is facilitated, labor, equipment and material cost are saved, and good economic benefits, social benefits and environmental benefits are generated.
Owner:POWER CHINA HENAN ENG CO LTD
Repairing process of chromium-molybdenum steel tube bundle and tube plate
The invention discloses a repairing process of a chromium-molybdenum steel tube bundle and a tube plate, and belongs to the field of repairing of chromium-molybdenum steel. The process comprises a tube bundle repairing process and a tube plate repairing process. A leaking point is determined firstly, then the tube bundle and / or the tube plate are repaired according to the steps of preheating of adjacent tube openings, welding and post-welding treatment of the adjacent tube openings. The adjacent tube openings are pre-heated and subjected heat post-welding treatment through an oxygen-acetylene inner flame, a nickel base welding wire serves as welding materials, the heating and temperature control conditions on the repairing site can easily meet the requirements of the repairing process, an obtained welding joint is high in quality and not prone to new cracks, the tube openings replace crack-stopping holes in the tube plate repairing process, cracks are not prone to spread, and the welding cost and labor intensity are effectively reduced.
Owner:PETROCHINA CO LTD
Integration driving motor bracket
ActiveCN105291798AImprove general performanceHigh strengthElectric propulsion mountingNinthEngineering
The invention relates to an integration driving motor bracket which comprises a first bracket part and a second bracket part that are symmetrically arranged between an eighth cross section beam and a ninth cross section beam, wherein the first bracket part comprises a first flat plate arranged in the horizontal direction; one end of the first flat plate is vertically bent downward to form a first vertical plate; the bottom end of the first vertical plate is bent along the horizontal direction to form a second flat plate; the end part of the second flat plate is vertically bent downward to form a second vertical plate; the first flat plate and the second flat plate are positioned on the same side of the first vertical plate; the first flat plate, the first vertical plate, the second flat plate and the second vertical plate are in a continuously bent integral structure; and motor mounting holes applicable to different driving motors are formed in the first vertical plate. With the adoption of the above technical scheme, the integration driving motor bracket can simultaneously meet the assembly requirements of different types of driving motors, and is high in universality; in addition, the integration driving motor bracket is a continuous bending piece, is high in strength, and can also serve as a connecting longitudinal beam between the eighth cross section beam and the ninth cross section beam, so that the welding labor intensity is reduced.
Owner:ANHUI ANKAI AUTOMOBILE
Concrete-filled steel tubular column-concrete-filled steel tubular beam joint connection structure
PendingCN108978860AImprove bearing capacityPower transmission is clearStrutsGirdersMetallurgySteel tube
Owner:SHENYANG POLYTECHNIC UNIV
Subsection division method for cargo hold area of thin film type LNG ship
PendingCN113895586AMeet construction requirementsOptimizing the overall groupWaterborne vesselsThin membraneStructural engineering
The invention discloses a subsection division method for a cargo hold area of a thin film type LNG (Liquefied Natural Gas) ship. The subsection division method comprises the following steps of: 1), dividing all key nodes W1-W5 on the inner shell wall of a cargo hold into segments; 2), arranging a large joint between the two cargo compartment areas in a transverse compartment; 3), dividing each transverse compartment independently; and 4), dividing a liquid dome area into independent sections. The subsection division method is more scientific and reasonable, greatly reduces labor intensity, is good in implementation effect, the cargo space building precision of a cargo space area and structural centering precision of key nodes can be guaranteed and the method has the advantages of reducing dock carrying and hoisting, reducing assembling and welding workload of dock large joints and paint damage amount; dock and wharf fitting-out work forward movement is achieved to the maximum extent, ship launching integrity is improved, and the dock period is further shortened.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP
Welding automatic moving device of automobile door frame
InactiveCN110315259AOvercoming the deficiency of manual pressing mechanismEasy to adjustWelding/cutting auxillary devicesAuxillary welding devicesBall bearingUltimate tensile strength
The invention discloses a welding automatic moving device of an automobile door frame. The welding automatic moving device of the automobile door frame comprises a bottom plate, a movable plate limiting block, a supporting pulley bearing, a movable plate, a limiting plate, a ball bearing, a bearing shaft, an ejecting opening air cylinder, a piston rod, a connecting joint, a pin and a connecting block, wherein the movable plate and the limiting block are installed on the bottom plate, the supporting pulley bearing is installed on the bottom plate, the movable plate is installed on the supporting pulley bearing, the limiting plate is installed on the bottom plate, the ball bearing is installed on the bearing shaft, the bearing shaft is installed on the movable plate, the ejecting opening aircylinder is installed on the bottom plate, the piston rod is installed on the ejecting opening air cylinder, the connecting joint is installed on the piston rod, the pin is installed on the connecting block, and the connecting block is installed on the movable plate, so that the movable radian of the movable plate is consistent with the welding radian of a product. The welding automatic moving device for the automobile door frame has the advantages that the adjusting is convenient, the positioning is accurate, the movable plate can move back and forth, the automation degree is high, so that the welding cost and the labor intensity are reduced, and the production efficiency of equipment and the stability of the equipment are improved.
Owner:盐城市鑫益达精密机械有限公司
welding equipment
ActiveCN111097994BWelding position welding is accurateImprove welding qualityWelding accessoriesMetal frameworkContact position
The invention relates to the field of welding technology of chair metal frames, and specifically discloses a welding device, which includes a first driving device and an arc welding mechanical arm. The driving end of the first driving device is provided with a mounting frame, and a first The station, the second station, the third station and the fourth station, the first station, the second station, the third station and the fourth station are distributed in a rectangle on the mounting frame, the first station, The second station, the third station and the fourth station are respectively equipped with a seat I-shaped frame fixing device, a seat frame fixing device, a seat driving tube frame fixing device and a seat frame fixing device, arc welding The arc welding free end of the mechanical arm corresponds to the contact positions of the workpieces on the seat I-frame fixing device, the seat frame fixing device, the seat driving tube frame fixing device and the seat bottom frame fixing device respectively. The invention has the characteristics of accurate welding position, reliable quality, high welding efficiency and low labor intensity.
Owner:HENGLIN HOME FURNISHINGS CO LTD
Adjustment tool and system applied to integral assembling of steel lining modules of nuclear power station
ActiveCN112589347AHigh feasibilityShorten the total construction periodWelding/cutting auxillary devicesAuxillary welding devicesButtressNuclear power
The invention discloses an adjustment tool and an adjustment system applied to integral assembling of steel lining modules of a nuclear power station. The adjustment tool includes a buttress; the buttress is further provided with a height adjusting part and a clamping part; the height adjusting part includes an adjusting bolt and an adjusting nut; a through hole is formed in the buttress; one endof the adjusting bolt is buried in a cement buttress after penetrating through the through hole; the adjusting nut sleeves the adjusting bolt in a threaded connection manner and is located between thecement buttress and the buttress; the outer diameter of the adjusting nut is larger than the inner diameter of the through hole; and the clamping part includes a U-shaped clamp which is used for clamping the buttress and a module base in a haunching area. The adjustment system is composed of a plurality of tools. The adjustment tool disclosed by the invention has the advantages of simple assembling, lower construction difficulty and convenient adjustment, and facilitates quick and accurate assembling of modules in the haunching area.
Owner:CHINA NUCLEAR IND 24 CONSTR
Welding equipment
ActiveCN111097994AWelding position welding is accurateImprove welding qualityWelding accessoriesEngineeringContact position
The invention relates to the technical field of welding of seat metal frames and particularly discloses welding equipment. The welding equipment comprises a first driving device and an arc welding mechanical arm, an installation frame is arranged at the driving end of the first driving device, a first station, a second station, a third station and a fourth station are arranged on the installationframe and are distributed in a rectangular shape on the installation frame, a seat H-shaped frame fixing device, a seat frame fixing device, a seat driving pipe frame fixing device and a seat bottom frame fixing device are arranged in the first station, the second station, the third station and the fourth station respectively, and an arc welding free end of the arc welding mechanical arm corresponds to contact positions of all workpieces on the seat H-shaped frame fixing device, the seat frame fixing device, the seat driving pipe frame fixing device and the seat bottom frame fixing device. Thewelding equipment has the advantages of being accurate in welding position, reliable in quality, high in welding efficiency and small in labor intensity.
Owner:HENGLIN HOME FURNISHINGS CO LTD
Seat frame welding mechanism used for seat iron stand and welding equipment
ActiveCN110948083AWelding position welding is accurateImprove welding qualityWelding/cutting auxillary devicesAuxillary welding devicesMetal frameworkGas cylinder
The invention relates to the welding technical field of seat metal frameworks, and specifically discloses a seat frame welding mechanism used for a seat iron stand and welding equipment. The seat frame welding mechanism comprises a first mounting plate, wherein a first rod drive gas cylinder and a first fixed plate are fixedly arranged on the first mounting plate; the end part of the first drive rod of the first rod drive gas cylinder is equipped with a first supporting part; the two ends of the first supporting part are equipped with first sunken parts; first connecting pieces are placed in the first sunken parts; two second defining blocks are arranged on the first mounting plate, second defining slots are formed in the second defining blocks, and second rod parts are placed in the second defining slots; two first gas cylinders are arranged on the first mounting plate, and gas paths of the first gas cylinders are equipped with two first clamping plates; at least one first positioningrod is arranged on the opposite surfaces of two first clamping plates, and first mounting sheets are fitted on the first clamping plates. The seat frame welding mechanism has the characteristics of an accurate welding position, reliable quality, relatively high welding efficiency and relatively small labor intensity.
Owner:HUZHOU HENGXIN METAL PROD
An integrated drive motor bracket
ActiveCN105291798BImprove general performanceHigh strengthElectric propulsion mountingStructural engineeringDrive motor
Owner:ANHUI ANKAI AUTOMOBILE
Seat iron stand driving pipe frame and footrest fixing frame welding mechanism and equipment
ActiveCN110961759AWelding position welding is accurateImprove welding qualityWelding/cutting auxillary devicesAuxillary welding devicesMetal frameworkPipe fitting
The invention relates to the technical field of welding of seat metal frames, and particularly discloses a seat iron stand driving pipe frame and footrest fixing frame welding mechanism and equipment.The seat iron stand driving pipe frame and footrest fixing frame welding mechanism comprises a third mounting plate. A fifth fixing block is arranged on the third mounting plate, and a fifth fixing groove is arranged in the fifth fixing block; a sixth fixing block is arranged on the third mounting plate, and a sixth fixing groove is arranged in the sixth fixing block; a sixth limiting block is arranged on the sixth fixing block, a sixth limiting hole is arranged in the sixth limiting block, and a fifth plate is placed in the fifth fixing groove; a fifth cylinder is arranged on the third mounting plate; a fifth limiting block is arranged on the third mounting plate, a fifth limiting groove is arranged in the fifth limiting block, and a fifth rod piece is placed in the fifth limiting groove; and a fifth mounting block is arranged on the third mounting plate, a fifth mounting groove is arranged in the fifth mounting block and a fifth pipe fitting is placed in the fifth mounting groove. The mechanism has the characteristics of being accurate in welding position, reliable in quality, high in welding efficiency and low in labor intensity.
Owner:HUZHOU HENGXIN METAL PROD
Underframe welding mechanism and welding equipment for seat iron frame
ActiveCN110948085BWelding position welding is accurateImprove welding qualityWelding/cutting auxillary devicesAuxillary welding devicesMetal frameworkEngineering
The invention relates to the technical field of welding of metal frames of chairs, and specifically discloses a chassis welding mechanism and welding equipment for chair iron frames, including a fourth mounting plate; a seventh through hole is provided on the hole wall Mounting block, the seventh connecting piece is placed on the seventh mounting block; two eighth mounting blocks are arranged on the fourth mounting plate, the eighth mounting block is provided with an eighth mounting slot, and the eighth mounting slot is placed on the eighth mounting block. rod; the eighth rod is placed near the two ends of the eighth angle piece; the seventh mounting block is placed on the tenth rod; the bottom of the first mounting plate is provided with two seventh cylinders; the seventh There are two seventh splints at the air passage of the cylinder, and seventh positioning rods are arranged on the opposite surfaces of the two seventh splints. The shell of the seventh cylinder is provided with a seventh partition, which is fitted There is a seventh mounting piece; the eighth fixing block is provided with an eighth fixing groove. The invention has the characteristics of accurate welding position, reliable quality, high welding efficiency and low labor intensity.
Owner:HUZHOU HENGXIN METAL PROD
Welding method of thin silver plate
ActiveCN114309896AReduce welding defectsStrong penetrating powerArc welding apparatusSilver plateWeld seam
The invention discloses a thin silver plate welding method, which comprises the following steps of: 1, cleaning burrs at the edge part of a thin silver plate, and then cleaning the surface to obtain a treated thin silver plate; secondly, base metal within the range of 100 mm on the two sides of a target welding seam of the treated thin silver plate is preheated, and the preheated thin silver plate is obtained; and thirdly, the preheated thin silver plate is welded through a motorized direct-current pulse argon tungsten-arc welding machine, and the welded thin silver plate is obtained. After the thin silver plate is cleaned and cleaned, the thin silver plate is preheated and then subjected to engine-driven direct-current pulse argon tungsten-arc welding, welding forming is achieved by controlling the preheating temperature, the interlayer temperature in the welding process, the welding current, the welding voltage and other technological parameters, welding defects such as cracks and air holes are reduced, the welding seam performance and the welding stability are guaranteed, and the welding quality is improved. The welding quality is improved, large-specification thin silver plate welding is achieved, and meanwhile the welding cost and the welding labor intensity are effectively reduced.
Owner:XIAN TIANLI CLAD METAL MATERIALS
A pen-type automatic soldering iron
ActiveCN105033394BReduce welding labor intensityEasy to operateSoldering ironSolder feeding devicesEngineeringControl switch
Owner:RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +1
Submerged arc automatic fillet welding process and welding equipment used
ActiveCN110253120BReduce welding labor intensityGood surface formabilityWelding/cutting auxillary devicesArc welding apparatusFillet weldMechanical engineering
The invention discloses a submerged arc automatic fillet welding process, which comprises the following process steps: after assembling a grooved bulkhead, hoist and turn over, then use a submerged arc welding automatic welding machine to perform flat fillet welding, and install assembly tools respectively during assembly and welding Ensure the included angle with the welding tooling to ensure the angle of the corrugated bulkhead wall plate and prevent welding deformation. The present invention innovatively adopts the method of submerged arc welding and flat fillet welding for large-sized trough bulkheads, which facilitates welding penetration and molten pool entry, effectively reduces the number of welding passes, has good surface forming effects, and small welding deformation of the hull; the welder's welding The labor intensity is greatly reduced, the workload of repairing and grinding of welds is also sharply reduced, the labor cost is reduced, the consumption of welding consumables is low, and the production efficiency is greatly improved.
Owner:CHENGXI SHIPYARD +1
Solar cell assembly
InactiveCN102738285AReduce welding labor intensityLow costPhotovoltaic energy generationSemiconductor devicesEngineeringSolar cell
Disclosed in the invention is a solar cell assembly formed by a plurality of cell slices in series connection. There are no main and auxiliary gate lines at the right sides of the cell slices; positive electrode welding points are processed at one side edges of the back sides of the cell slices and negative electrode welding points are processed at the other corresponding side edges; and the positive electrode welding points and the negative electrode welding points at the back sides of the adjacent cell slices are welded together. According to the invention, the provided solar cell assembly is beautiful; and the welding labor intensity is reduced and the cost is saved.
Owner:JIANGSU SINSKI PV
Welding mechanism and equipment for the driving tube frame of the iron seat frame and the footrest fixing frame
ActiveCN110961759BWelding position welding is accurateImprove welding qualityWelding/cutting auxillary devicesAuxillary welding devicesPipe fittingMetal framework
The invention relates to the technical field of welding metal frames of chairs, and specifically discloses a welding mechanism and equipment for a driving pipe frame of a chair iron frame, a footrest fixing frame, and equipment, including a third mounting plate, and a fifth mounting plate is arranged on the third mounting plate. Fixed block, the fifth fixed block is provided with the fifth fixed groove; the third mounting plate is provided with the sixth fixed block, the sixth fixed block is provided with the sixth fixed groove; the sixth fixed block is provided with the sixth limit block , the sixth limiting block is provided with the sixth limiting hole, the fifth plate is placed in the fifth fixing groove; the fifth cylinder is arranged on the third mounting plate; the fifth limiting block is set on the third mounting plate, the fifth The limiting block is provided with a fifth limiting groove, and the fifth rod is placed in the fifth limiting groove; the third mounting plate is provided with a fifth mounting block, and the fifth mounting block is provided with a fifth mounting groove, and the fifth mounting groove A fifth pipe is placed therein. The invention has the characteristics of accurate welding position, reliable quality, high welding efficiency and low labor intensity.
Owner:HUZHOU HENGXIN METAL PROD
Underframe welding mechanism for seat iron frame and welding equipment
ActiveCN110948085AWelding position welding is accurateImprove welding qualityWelding/cutting auxillary devicesAuxillary welding devicesMetal frameworkEngineering
The invention relates to the technical field of welding of seat metal frames, and particularly discloses an underframe welding mechanism for a seat iron frame and welding equipment. A fourth installation plate is included; the hole wall of a seventh through hole is provided with a seventh installation block, and a seventh connection piece is placed on the seventh installation block; the fourth installation plate is provided with two eighth installation blocks, the eighth installation blocks are provided with eighth installation grooves, and eighth rod pieces are placed in the eighth installation grooves; eighth corner sheets are placed in the positions, close to the two ends, of each eighth rod piece; a tenth rod piece is placed on the seventh installation block; the bottom of a first installation plate is provided with two seventh air cylinders; two seventh clamping plates are arranged at an air duct of each seventh air cylinder, the opposite surfaces of the seventh clamping plates are provided with seventh positioning rods; shell of the seventh air cylinders are provided with seventh partition plates, and seventh installation sheets are attached to the seventh clamping plates; and eighth fixing blocks are provided with eighth fixing grooves. The underframe welding mechanism has the characteristics of accurate welding positions, reliable quality, high welding efficiency and low labor intensity.
Owner:HUZHOU HENGXIN METAL PROD
Seat frame welding mechanism and welding equipment for seat iron frame
ActiveCN110948083BWelding position welding is accurateImprove welding qualityWelding/cutting auxillary devicesAuxillary welding devicesMetal frameworkPhysics
The invention relates to the technical field of welding of metal frames of chairs, and specifically discloses a seat frame welding mechanism and welding equipment for iron frames of chairs, including a first mounting plate, on which a first rod is fixed. Drive the cylinder and the first fixed plate, the end of the first drive rod of the first rod-driven cylinder is provided with a first support, both ends of the first support are provided with a first recess, and the first recess is placed The first connecting piece; the first mounting plate is provided with two second limiting blocks, the second limiting block is provided with a second limiting groove, and the second rod is placed in the second limiting groove; the first mounting plate is provided with Two first cylinders, two first splints are provided at the air passage of the first cylinder, at least one first positioning rod is provided on the opposite surface of the two first splints, and the first installation is attached to the first splint. piece. The invention has the characteristics of accurate welding position, reliable quality, high welding efficiency and low labor intensity.
Owner:HUZHOU HENGXIN METAL PROD
A chromium-molybdenum steel pipe bundle and tube sheet maintenance process
The invention discloses a repairing process of a chromium-molybdenum steel tube bundle and a tube plate, and belongs to the field of repairing of chromium-molybdenum steel. The process comprises a tube bundle repairing process and a tube plate repairing process. A leaking point is determined firstly, then the tube bundle and / or the tube plate are repaired according to the steps of preheating of adjacent tube openings, welding and post-welding treatment of the adjacent tube openings. The adjacent tube openings are pre-heated and subjected heat post-welding treatment through an oxygen-acetylene inner flame, a nickel base welding wire serves as welding materials, the heating and temperature control conditions on the repairing site can easily meet the requirements of the repairing process, an obtained welding joint is high in quality and not prone to new cracks, the tube openings replace crack-stopping holes in the tube plate repairing process, cracks are not prone to spread, and the welding cost and labor intensity are effectively reduced.
Owner:PETROCHINA CO LTD
Water leaving grid and mounting structure thereof
ActiveCN113978497ASimple manufacturing processReduce welding labor intensityRailway transportAxle-box lubricationAir volumeStructural engineering
The invention discloses a water leaving grid and a mounting structure thereof, wherein the water leaving grid comprises a floor, a plurality of T-shaped rails are arranged above the floor, the T-shaped rails and the floor are integrally formed, and a plurality of supporting beams are arranged below the floor; the floor is further provided with a support used for being hinged to a vehicle body; the plurality of T-shaped rails are arranged in parallel, and each T-shaped rail is arranged in the longitudinal direction of the vehicle body; a plurality of through holes are formed in the portion, between every two adjacent T-shaped rails, of the floor; the plurality of supporting beams are arranged in parallel, and each supporting beam is perpendicular to the corresponding T-shaped rail; and the supporting beams are provided with a bottom plate and web plates arranged on the two sides of the bottom plate, and the bottom plate and the web plates on the two sides form a U-shaped structure with an upward opening. The water leaving grid is integrally formed by integrally extruding an aluminum alloy, so that the structural strength is improved, the weight is reduced, the welding workload is reduced, the ventilation area is increased, the ventilation quantity is increased, and the air return quantity of an air conditioning system is ensured.
Owner:CRRC YANGTZE CO LTD
A saddle-type large tube seat welding method
The invention discloses a welding method of a saddle-type large pipe seat, which comprises the following steps: A) marking the center line of the pipe hole of the pipe seat on the cylinder body, and marking the abdominal surfacing welding filling range line on the cylinder body according to the size of the pipe seat; B) Surfacing metal on the abdomen of the cylinder body to be higher than the shoulder according to the surfacing welding filling range line of the abdomen, and the outer edge of the surfacing metal is larger than the outer diameter of the pipe seat; The center line of the hole is the normal line, and the top of the surfacing metal is processed into a plane, which is perpendicular to the center line of the pipe hole, and its height is higher than the shoulder; D) Process the end of the pipe seat connected to the cylinder with a bevel; E) Assemble the pipe seat and the cylinder and weld the butt weld of the pipe seat and the cylinder; the invention can reduce the difficulty of welding and groove processing of the fillet weld of the pipe seat, improve the stability and reliability of welding quality, and facilitate Realize the automation and intelligence of pipe seat fillet weld welding, reduce welding labor intensity and improve the working environment.
Owner:DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP
Automatic assembly welding device for car frame side beam
ActiveCN100473488CNormal supplySecurity supplyWelding/cutting auxillary devicesArc welding apparatusVehicle frameEngineering
The present invention relates to an automatic welding device for vehicle frame side beam comprising two adjusting bases equipped face to face for placing frame side beam, at least two support saddles equipped between the two adjusting bases, a hydraulic clamp equipped on the support saddle and a welding car supported by two sides of the frame side beam; the upper ends faces of the two adjusting bases are relatively tilted; the upper end faces of the support saddles are lower than the lowest point of the upper end face of the adjusting base. The upper ends faces of the two adjusting bases are relatively tilted and the upper end faces of the support saddles are lower than the lowest point of the upper end face of the adjusting base, i.e. the two adjusting bases and every support saddle form a curved surface; welding is implemented on the curved surface, i.e. a camber is preset before welding; when the frame side beam is taken down after welding, the frame side beam begins to deflect and deform inversely, i.e. the preset camber is balanced out by the deflection and deformation to control the frame side beam camber in the permitted range which ensures the production quality; in addition, the welding car is adopted for the implementation of the automatic welding; in this way, the welding labor intensity is small.
Owner:CRRC QISHUYAN CO LTD
I-shaped frame welding mechanism and welding equipment for seat iron frame
ActiveCN110948084BWelding position welding is accurateImprove welding qualityWelding/cutting auxillary devicesAuxillary welding devicesMetal frameworkStructural engineering
The invention relates to the technical field of welding of metal frames of chairs, and specifically discloses an I-shaped frame welding mechanism and welding equipment for chair iron frames, including a first driving device and an arc welding mechanical arm, and the driving of the first driving device There is a mounting frame at the end, and the first station is provided on the mounting frame, and the seat I-frame fixing device is arranged in the first station; the seat I-frame fixing device includes a second mounting plate, and the second mounting plate is provided with a There are four third fixing blocks, the third fixing block is provided with a third limiting groove, and the third supporting rods are placed in the third limiting grooves on the same side, and the positions near the two ends of the third supporting rods are equal. A fourth limiting hole is provided; a second push-pull quick clamp is provided on the second mounting plate; at least two fourth fixing blocks are provided on the second mounting plate, and a fourth limiting groove is provided on the fourth fixing block, and the fourth A fourth support rod is rested in the defined groove. The invention has the characteristics of accurate welding position, reliable quality, high welding efficiency and low labor intensity.
Owner:HUZHOU HENGXIN METAL PROD
Automatic welding device for automobile door frame
InactiveCN110315256AKeep healthyPrecision weldingWelding/cutting auxillary devicesAuxillary welding devicesEngineeringSoldering gun
The invention relates to a welding device, and relates to an automatic welding device for an automobile door frame. The automatic welding device is characterized by comprising a base, a plurality of supporting legs, a clamp support and a robot support, wherein the plurality of supporting legs are arranged at the bottom of the base, the clamp support and the robot support are arranged on the base,an automobile door frame clamp is arranged on the clamp support, a welding robot is arranged on the robot support, a welding gun is arranged on the welding robot. When the automobile door frame clampis used, the automobile door frame workpiece needing to be welded is placed on the automobile door frame clamp, and the automobile door frame clamp can be moved and lifted according to needs in the specific implementation process, and the welding robot controls the welding gun to weld the automobile door frame workpiece after the clamping and positioning are good.
Owner:盐城市鑫益达精密机械有限公司
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