40results about How to "Guaranteed docking accuracy" patented technology

The invention is suitable for the technical field of welding equipment, and provides pipeline welding butt joint equipment for water diversion engineering, which comprises an equipment base, a support frame, an outer fixing sleeve and an inner fixing sleeve, and further comprises a fixing mechanism and a welding mechanism, the welding mechanism comprises an assembling mechanism, a welding gun and a control mechanism. According to the pipeline welding butt-joint equipment for the water diversion engineering, modular design is adopted, in the construction operation process in a region lack of electric power, the two inner fixing sleeves independently conduct centering clamping and fixing on the two pipelines needing to be in butt joint through the fixing mechanisms, the butt-joint precision of the two pipelines is ensured, and the butt-joint efficiency of the two pipelines is improved. The control mechanism is matched with the assembling mechanism, so that the welding gun can be accurately aligned to the butt joint of the two pipelines, the butt joint of the two pipelines can be effectively and fully welded, and the welding quality of the welding gun to the pipelines is ensured.

The invention belongs to the technical field of aluminum profile manufacturing, and particularly relates to an aluminum profile extrusion die rapid replacement industrial robot workstation which comprises containing bins arranged at the top of an AGV die replacement trolley in pairs, and the containing bins measure the distance of a die in real time through laser measurement and control assemblies and drive the containing bins to move. The limiting block is used for adapting to and constraining molds with different sizes; the size of the mold is measured in real time through the laser distance measuring sensor, the containing bin is driven to drive the double-cone limiting wheel to apply self-adaptive lateral constraint from the two sides, molds of different sizes are matched, the high-frequency mold changing production requirement is met, inertial offset of the mold in the moving process is restrained, and accurate butt joint of an extruding machine is guaranteed; the containing bin rotates to drive the second baffle to synchronously turn over to the feeding and discharging side of the die, four-direction limiting is jointly formed by the second baffle, the induction type limiting plate, the limiting wheels and the like, the horizontal position of the die is guaranteed in the transferring process, the hidden danger that the die slides or falls is avoided, and the butt joint precision of the follow-up die is guaranteed.

This invention belongs to the field of welding workpiece positioning tooling technology, specifically a multi-angle welding device for galvanized steel pipes based on a rotating station, including a welding base; a welding head is provided on the welding base; by fixing two galvanized steel pipes to the center of a first rotating ring plate, the first rotating ring plate is adjusted and limited after the steel pipe mating surface is closed, and the first electric slide is slid according to the pipe length, and the steel pipe is rotated to the mating end by a second servo motor, and the welding assembly cooperates with the laser head to perform circumferential welding; during welding, the first servo motor drives the steel pipe to rotate, and the laser head is finely adjusted to complete the full circle welding. When welding at a large angle, the two first electric slides are moved away from each other and the angle is adjusted by the second servo motor; when welding at a small angle, the two first electric slides are brought closer together and the angle is adjusted to meet various angle welding requirements. If the mating surface is a beveled surface, the ring plate can be released, the first rotating ring plate can be adjusted to make the beveled surface correspond before being fixed to ensure a neat mating.

The utility model discloses an auxiliary butt joint device for corrugated pipes. The auxiliary butt joint device comprises a butt joint straight rod, a sliding sleeve frame, a U-shaped connecting rod, a sliding limiting assembly, a connecting assembly, a first arc-shaped pipe groove clamping rod and a second arc-shaped pipe groove clamping rod. The pair of butt-joint straight rods are arranged on the two sides of the two corrugated pipes in parallel respectively, the pair of sliding sleeve frames are arranged on the pair of butt-joint straight rods in a sliding mode through sliding limiting assemblies, and the two ends of a U-shaped connecting rod of an inverted-U-shaped structure are connected to the sliding limiting assemblies of the pair of sliding sleeve frames respectively; the two ends of the first arc-shaped pipe groove clamping rod are detachably connected with the pair of sliding sleeve frames through connecting assemblies correspondingly, and the two ends of the second arc-shaped pipe groove clamping rod are detachably connected with one ends of the pair of butt-joint straight rods through connecting assemblies correspondingly, so that the first arc-shaped pipe groove clamping rod and the second arc-shaped pipe groove clamping rod can be clamped to the two corrugated pipes. The utility model relates to the technical field of pipeline butt joint, and can solve the problem of poor butt joint precision of manually aligned corrugated pipes in a narrow space in the prior art.

The present invention discloses a garbage transfer station and a garbage bin docking and locking device thereof, wherein the garbage bin docking and locking device comprises a lifting mechanism and a translation mechanism, as well as a support seat connected to the lifting mechanism and a locking hook connected to the translation mechanism, one of the support seat and the locking hook is provided with a first slide slot, and the other is provided with a first connecting pin inserted in the first slide slot; the lifting mechanism is used to be installed on the ground and drive the support seat to rotate and lift the garbage bin, and the locking hook is driven to rotate synchronously through the cooperation of the first connecting pin and the first slide slot; the translation mechanism is used to be installed on the garbage compressor and drive the locking hook to translate relative to the support seat, so as to drive the garbage bin to move in a direction toward the garbage compressor through the locking hook, and then dock and lock the garbage bin to the compression box of the garbage compressor. The garbage bin docking and locking device provided by the present invention can effectively improve the docking and sealing effect of the garbage bin and the compression box, and avoid the problem of sewage and residue leakage.

The present invention provides a telescopic mechanism for an assembly platform, which belongs to the field of ground test of spacecraft, and includes a telescopic component and a flip component. The telescopic component is fixed on the platform frame, and the flip component is installed at the output end of the telescopic component. The telescopic component includes an outer frame, an inner frame, a fixed block, a gear and a rack. The flip component includes a front sealing plate, an adaptable frame, a flap, a first docking block, a connecting hook and a second docking block. The limiter component includes a first limiter block, a second limiter block and a limiter pin. The present invention adds a degree of freedom of translation, improves the fault tolerance of the assembly platform, and increases the adaptability of the platform size. A set of platforms can meet the assembly and testing of two or even more types of spacecraft, and can more effectively perform assembly and testing work on spacecraft.

This invention solves the problem of asymmetry that easily occurs after welding a pair of trunnions to a jack. It relates to the field of jack technology, and particularly to a device for aligning and welding trunnions of a bottom-lifting jack. The device includes a base, a positioning structure installed in the center of the top surface of the base, two clamps slidably mounted on the top of the base on either side of the positioning structure, two grooves on the top of the base, and an electrically controlled displacement structure installed at the bottom of the base. This electrically controlled displacement structure drives the two clamps to adjust their relative distance. Each clamp includes a guide plate that mates with the electrically controlled displacement structure, a sleeve plate fitted onto the outer surface of the guide plate, and an electrically controlled chuck mounted on the top of the sleeve plate. This invention ensures that the two trunnions tightly attached to the jack are arranged 180° symmetrically, thus guaranteeing the accuracy of the welding. Simultaneously, the welding height of the trunnions relative to the jack surface can be adjusted as needed.

The application relates to the field of welding and discloses a power pole iron accessory welding manufacturing tool, which comprises a support frame, two bending assemblies are arranged side by side on the support frame, and a welding assembly is arranged above the two bending assemblies; wherein the bending assembly comprises a rotating shaft rotatably arranged on the support frame, a first motor for driving the rotating shaft to rotate, a disc sleeve arranged on the rotating shaft, an adjustable blocking column arranged on the disc and a variable-diameter center sleeve sleeve arranged on the end of the rotating shaft. By arranging the variable-diameter center sleeve driven by the conical table, different specifications of the bending ring diameter can be quickly adapted without replacing the tool, and the adjustment time during specification switching is reduced; by arranging the arc-shaped blocks capable of sliding to the disc direction during the bending process between the arc-shaped plates, the continuous axial thrust is applied to the reinforcing steel bars, the bending deflection is prevented, and the misalignment between the back-bending part and the pole body is eliminated.

The invention discloses an auxiliary supporting device for pipeline construction and a pipeline butt joint method. The auxiliary supporting device comprises a base, a fixed supporting mechanism, an adjustable supporting mechanism and a driving mechanism. An adjusting mechanism of the adjustable supporting mechanism comprises a supporting box, an adjusting supporting assembly and a second power mechanism arranged in the supporting box, the adjusting supporting assembly comprises a mounting frame arranged on one side of the supporting box, an adjusting rod and an auxiliary supporting plate arranged on the adjusting rod, and the second power mechanism drives the auxiliary supporting plate to rotate with the adjusting rod as the center. The fixed supporting mechanism is used for supporting the installed pipeline, the adjustable supporting mechanism is used for supporting the to-be-installed pipeline, and due to the fact that the fixed supporting mechanism and the adjustable supporting mechanism ascend and descend synchronously, it is guaranteed that the heights of the installed pipeline and the to-be-installed pipeline are consistent all the time; the supporting assembly is adjusted to enable the pipeline to rotate by a certain angle, adjustment of the to-be-installed pipeline on the horizontal plane is achieved, the to-be-installed pipeline and the installed pipeline are coaxial, and the butt joint precision between the two pipelines is ensured.

The utility model belongs to the technical field of hoist, concretely is synchronous belt type hoist for suspension conveying line, include: frame, cantilever mechanism and counterweight subassembly, frame top is equipped with the drive subassembly of drive cantilever mechanism, and cantilever subassembly and counterweight subassembly slide in the both sides of frame, cantilever mechanism includes mobile frame, is equipped with multiple sets of limit guide wheel group on mobile frame, and limit guide wheel group includes the horizontal limit guide wheel group of being equipped with in the both sides of mobile frame and the front and back limit guide wheel group of being equipped with in the middle of mobile frame, and each group's horizontal limit guide wheel group and front and back limit guide wheel group include a set of opposite setting guide wheel, frame includes a set of vertical setting stand, is equipped with T type guide rail between two stands, and the stand is H type steel, and horizontal limit guide wheel group and front and back limit guide wheel group are respectively with T type guide rail and stand cooperation, the utility model from the three dimensions of the accuracy of hoist carrying of mobile synchronism, mobile stability and mobile stroke has guaranteed.

The present invention relates to the technical field of electrical components, and specifically to a PCB board washing device, comprising: a machine base; a platform, the machine base is fixedly connected with the platform; a transfer frame, the platform is rotatably connected with the transfer frame; a frame, the platform is fixedly connected with the frame; a material pushing frame, the frame is slidably connected with the material pushing frame; a deformation bar, the deformation bar is fixedly connected with the material pushing frame; a cleaning machine a, the platform is fixedly connected with the cleaning machine a; a cleaning machine b, the platform is fixedly connected with the cleaning machine b. The present invention sets a rotating transfer frame to transport the PCB, so that the PCB passes vertically through the cleaning machine a and the cleaning machine b, so that the two can respectively clean the two sides of the PCB at the same time, without the need to change direction to transport the PCB twice, thereby greatly reducing the time for cleaning the PCB and effectively improving the cleaning efficiency of the present invention for the PCB.

The utility model provides a dialysis tube air kettle positive pressure on-line detection device, which solves the problems of scrapping, waste, low efficiency and the like existing in a traditional bubble method, remarkably improves the product quality control level, the production efficiency and the safety, and comprises at least one group of positioning jacking components, at least one group of positioning jacking components, at least one group of positioning jacking components and at least one group of positioning jacking components, comprising a position sensor and a jacking driving part, the position sensor is used for identifying the air kettle reaching the detection station, and the jacking driving part is used for lifting the identified air kettle away from the conveying line to a preset detection height; the sealing butt joint assembly comprises a linear driver arranged in the lateral direction of the detection hole site and a sealing joint connected to the execution end of the linear driver, and the linear driver is used for driving the sealing joint to move in the horizontal direction so as to be inserted into a side wall interface of the lifted air kettle; the air pressure detection assembly is connected with the sealing connector through a pipeline, and the controller is in signal connection with the air pressure detection assembly, the position sensor, the jacking driving piece and the linear driver.

The application discloses a prefabricated box culvert auxiliary installation device and method, which comprises a concrete foundation provided with a groove, a hoisting structure, a plurality of cantilever structures distributed on both sides of the prefabricated box culvert and connected with the prefabricated box culvert, a support frame and a horizontal displacement piece, each cantilever structure is connected with the support frame through the horizontal displacement piece, each cantilever structure can be independently driven, and the moving direction of the cantilever structure is along the direction perpendicular to the groove direction, a walking structure arranged in the groove, a height adjusting piece arranged on the walking structure, a positioning structure for determining the horizontal position and the vertical height of the prefabricated box culvert, a control system, the hoisting structure is always connected with the prefabricated box culvert during the installation process of the box culvert, the whole weight of the prefabricated box culvert is borne when the horizontal position of the prefabricated box culvert is finely adjusted, and part of the weight of the prefabricated box culvert is borne when the prefabricated box culvert is placed on the walking structure and moves with the walking structure, so that the installation of the box culvert is efficiently completed under the condition of ensuring the butt joint precision.

The utility model discloses a guide rail butt joint tool and relates to the technical field of elevator guide rail butt joint, a clamping groove is vertically formed in a tool body, a clamping plate is movably arranged in the clamping groove, and a guide rail containing space and an adjusting containing space are formed between the clamping plate and the clamping groove; the locking mechanism is arranged on one side of the tool body, and one end of the locking mechanism extends into the adjusting containing space. A guide head is formed at the upper end of the tool body, a guide groove is formed in the guide head, the guide groove communicates with the clamping groove, and the guide groove is gradually widened in the direction away from the lower end of the tool body to form a groove body of a funnel-shaped structure; a guide plate is formed at the upper end of the clamping plate, movably arranged in the guide groove and parallel to one side wall of the guide groove. Through cooperation of the guide head, the tool body, the clamping plate and the locking mechanism, accurate butt joint of the upper guide rail and the lower guide rail can be rapidly achieved, the hand of a constructor can be far away from a guide rail butt joint opening, and safety in the guide rail splicing construction process is effectively improved.

This utility model discloses a connecting component for a circular steel pipe concrete support, relating to the technical field of steel pipe concrete support. It includes a connecting steel pipe with two symmetrically arranged butt-joint steel pipes. Each butt-joint steel pipe contacts the outer walls of both ends of the connecting steel pipe. A pouring port is fixedly connected to the outer wall of each butt-joint steel pipe, and the inner cavity of the pouring port communicates with the inner cavity of the butt-joint steel pipe. The connecting steel pipe is equipped with a butt-joint mechanism for convenient docking and fixing with the butt-joint steel pipes. This utility model, through the butt-joint mechanism, achieves convenient locking and fixing, realizing dual axial and radial limiting, effectively preventing misalignment of components during the connection process. This not only ensures the docking accuracy between the connecting steel pipe and the butt-joint steel pipes but also further enhances the stability and load-bearing capacity of the connection structure, thereby effectively improving the assembly efficiency of the connecting steel pipe and the butt-joint steel pipes.

The full-automatic speed reducer assembling equipment comprises a machining table, a rotating shaft feeding frame and a gear feeding frame are sequentially arranged on one side of the surface of the machining table, a clamping plate can automatically clamp and position a gear when a fixing base moves, the fixed gear can be conveyed to a press-fitting station by arranging a conveying assembly and an electric push rod, and the gear can be automatically assembled through the conveying assembly. A first limiting barrel is matched with a butt joint rod, the first limiting barrel can guide and limit the fixing base, the butt joint precision of the gear and the rotating shaft is guaranteed, the pressure in the gear press fitting process can be monitored in real time through a pressure sensor, the press fitting pressure can be accurately controlled conveniently, and the assembling stability is guaranteed; and the rail groove can limit and guide the rotating shaft and is matched with the rotating disc to rotate, so that the rotating shaft can be conveniently moved to different machining stations, and the working efficiency of speed reducer assembly is improved.

This invention discloses a variable cross-section straight-edge butt welding device for liquid tank trucks, comprising: a U-shaped frame, a U-shaped conveyor installed inside the U-shaped frame, connecting blocks arranged at four corners on one end of the upper surface of the U-shaped conveyor, rotating rods fixedly installed on the upper surfaces of the four sets of connecting blocks, connecting plates rotatably installed between the outer surfaces of the four sets of rotating rods, a semi-arc plate fixedly installed on the upper surface of the connecting plate, a guide rail groove opened in the semi-arc plate, a welding mechanism slidably installed in the guide rail groove, and a U-shaped cylinder fixedly installed on the lower surface of the U-shaped frame, with a support mechanism fixedly installed on both sides inside the U-shaped cylinder. This application achieves precise assembly of the liquid tank through the design of the welding mechanism and the support mechanism, utilizing components such as a second motor and bidirectional positive and negative threaded rods, and relies on the U-shaped conveyor, guide rail plate, and first motor to complete the precise guidance of the welding trajectory. Then, combined with the closed-loop control of an electric push rod, laser rangefinder sensor, and camera, the welding torch is dynamically adjusted.

The present invention relates to the field of welding technology, and in particular to a rotatable laser welding device for processing automobile safety parts, comprising a processing platform, a support column, a supporting unit and a straightening unit; the present invention can solve the following problems existing in the prior art: when a pipe fitting is clamped, the pipe fitting cannot be limited to maintain a level, the pipe fitting is not squeezed together during rotation, and lacks stability, so a gap is easily generated at the butt joint of two pipe fittings during rotation, resulting in the two pipe fittings being unable to be on the same axis, affecting the butt joint accuracy and welding effect between the two pipe fittings; the present invention can adaptively limit and fix the drive shaft and the shaft fork respectively, so that they are accurately butted without adjustment; during the welding process, the welding gun is controlled to rotate so that the drive shaft and the shaft fork remain relatively still, thereby ensuring the stability of the drive shaft and the shaft fork, and avoiding the drive shaft and the shaft fork being unable to be on the same axis and affecting the welding accuracy.

The present invention discloses an on-water closing device and method for four-section ship. In the third step, the on-water closing method first roughly aligns the two closing sections, then measures the deck closing mouth ring seam joint line, the ship centerline and the longitudinal section line again, and then roughly butts before welding, and then accurately butts after careful measurement. In the process of roughly butt jointing, the butt joint accuracy requirement is reduced, the butt joint speed can be appropriately accelerated, and the butt joint is accurately butt jointed after careful measurement, thereby improving the butt joint accuracy. Therefore, the butt joint efficiency is improved, the butt joint accuracy is guaranteed, and the assembly deviation is met.

The present application relates to a kind of accompanying turnover assembly and conveying mechanism with the assembly, it relates to conveying equipment technical field, accompanying turnover assembly includes turnover guide base and turnover piece, base is provided with the cross broken line type guide groove of positive slope section, reverse slope section, turnover piece is provided with the guide pin of central symmetry arrangement, guide pin and guide groove are gapless sliding fit, rely on the spatial trajectory constraint of guide groove, turnover piece is limited driving synchronous rotation in linear conveying process by groove wall, conveying mechanism connects into annular chain body by connecting mechanism to multiple turnover pieces, and supporting plate linkage opening and closing of two groups of material is realized by matched connecting rod gear meshing structure.The present application discards independent rotating driving element, and pure mechanical groove direction is realized accompanying synchronous turnover, structure is simple and compact, action linkage precision is high, can change turnover parameter by adjusting guide groove line type, is applicable to automatic turnover moulding condition in the conveying process of various workpieces.

The utility model discloses a kind of connecting nodes of composite column and multi-dimensional steel beam, oblique box-shaped steel beam end and transverse H-shaped steel beam end are welded on the steel pipe of composite column, a circle of transverse force transmission plate is welded on the steel pipe, box-shaped steel beam end lower end is welded with the upper side of force transmission plate, the end of H-shaped steel beam end away from composite column is equipped with positioning plate for positioning when butt-joint adjacent H-shaped steel beam section and connecting plate for connecting;Several pieces of transverse slotted lacing plate are welded on the steel pipe and distributed around the circumference, slotted lacing plate is equipped with clamping groove, and slotted lacing plate is used for radial limiting vertical longitudinal reinforcement and height limiting stirrup using clamping groove. The node is convenient to butt-joint, ensures the position degree of outer steel bar, avoids the defect that oblique steel beam lower end is prone to deformation.

The utility model discloses a rocket erects oil cylinder stop device relates to space launch technology field, and oil cylinder support includes base and is located at the both sides of base's support lug, and support lug is equipped with a plurality of first threaded hole, erects oil cylinder and is equipped with the support of cylinder body and the end of cylinder body, and the support is rotatablely arranged between two support lug through pin shaft and ball hinge bearing, rocket erects oil cylinder stop device includes stop piece and two limit disc. Two limit disc are located at the both sides of support, and limit disc is located between support and support lug, and limit disc is equipped with a plurality of limit hole, and limit hole and first threaded hole one to one correspondence. Stop piece is connected with first threaded hole screw, and stop piece is used for inserting limit hole, makes limit disc and support and holds, to erect oil cylinder and carry out lateral limit, avoid erecting oil cylinder lateral swing. The above-mentioned rocket erects oil cylinder stop device, and erects oil cylinder and can carry out lateral limit through stop piece and limit disc, guarantees erecting frame and erecting oil cylinder can carry out vertical butt joint, and convenient operation.

The square steel pipe welding fixing clamp for the ventilation device comprises a supporting plate, an adjusting bearing plate is arranged at the top end of the supporting plate, two bottom plates are arranged at the top end of the adjusting bearing plate, two limiting blocks are arranged in each bottom plate through a cavity, one end of each limiting block is connected with a threaded rod in a penetrating and threaded mode, and the other end of each limiting block is connected with a threaded rod. The two screws are oppositely arranged and connected end to end, two stand columns are arranged at the top ends of the two limiting blocks, the tops of the two stand columns extend out of the top of the bottom plate, and the extending ends of the two stand columns are jointly connected with a clamping plate. A series of structures are arranged, the bottom ends of the structures are supported by the bearing base, the square steel pipes are clamped and located on the same horizontal line, the four edges of the welding position can be welded at a time in the welding process, the welding device is suitable for welding the square steel pipes of different sizes, the welding ends of the two square steel pipes can be accurately in butt joint, and welding efficiency is improved. And the butt joint precision at the welding position is guaranteed.

The invention relates to the technical field of mobile power sources, in particular to a butt joint type mobile power source and a processing and assembling method.The butt joint type mobile power source comprises a main power source module and at least one auxiliary power source module, the main power source module comprises a main battery cell, a main fixing support, a main control panel and a main power source shell, and the main battery cell is arranged on the main fixing support; the main control panel is arranged at one end of the main power supply shell, the main power supply shell is provided with a main placement cavity, the main fixing support is arranged in the main placement cavity, and the main battery cell is electrically connected with the main control panel; one end of the main power supply shell is provided with a main butt-joint boss, the other end of the main power supply shell is provided with a main butt-joint groove, the main control panel is arranged at one end of the main butt-joint boss, and the main control panel is provided with a main butt-joint jack; a main butt joint plug is arranged on the groove bottom face of the main butt joint groove. According to the invention, the auxiliary power supply modules can be selected to be added or reduced according to actual requirements, so that the overall power supply capacity is adjusted, and the electric quantity requirements in different scenes are met.

The invention discloses a welding butt joint device for steel member machining, and relates to the technical field of steel member machining, the welding butt joint device comprises a rack, a conveying mechanism, a butt joint mechanism and a correction mechanism; the butt joint mechanism comprises a top crimping assembly, a side crimping assembly and a bottom supporting assembly. The bottom supporting assembly can adapt to workpieces with different thicknesses by adjusting the supporting height. The top crimping assembly realizes the opposite / back-to-back movement of compression rollers on the two sides, and workpieces with different thicknesses and widths are taken into consideration; the opposite movement of inverted-U-shaped moving plates on the two sides and a side pressing block is realized by the side crimping assembly; the single-rotation-direction screw is driven to rotate, so that longitudinal movement of the moving block and the side pressing block is achieved, and the device is suitable for workpieces of different widths and heights. The top crimping assembly, the side crimping assembly and the bottom supporting assembly are matched to eliminate deviation of a workpiece during welding, and butt joint precision and welding stability are guaranteed.

The utility model relates to PCBA pastes and installs material technology field especially is PCBA pastes and installs mistake proof material automatic material receiving device, including placing rack and material receiving subassembly, is set up two material discharge groove on the placing rack, the material discharge groove inside places a plurality of material tray, the fixedly connected with the welding seat on the placing rack, is equipped with the welding assembly on the welding seat, and the welding assembly includes the support, the fixedly connected with the inclined block on the support, installs a plurality of first laser range finder on the inclined block, is installed on the support the rodless cylinder, the sliding block has on the rodless cylinder, one end of sliding block is equipped with hot melting block, and the material receiving subassembly includes second T block, and the sliding connection has the moving block on second T block, and the fixedly connected with the limit block on the moving block upper end. Directly detect the material band tail end through the first laser range finder, reduced the signal delay of indirect monitoring mode, improved the accuracy of material band state detection, realized real -time trigger material receiving, ensured that the material band butt joint precision, improved the material receiving efficiency, improved the reliability of PCBA pastes.

This invention belongs to the technical field of welding equipment, specifically providing a welding device and method for a communication base station support component. The device includes a slide rail; a lifting mechanism; two welding positioning mechanisms located at opposite axial ends of a steel pipe; each welding positioning mechanism includes a base slidably connected to the slide rail, with a first power unit located below the base; a centering clamping assembly fixed to the top of the base for clamping a flange; a support assembly coaxially and rotatably mounted on one side of the centering clamping assembly, one end of which passes through the inside of the steel pipe and supports the inner wall of the pipe; a first drive assembly located on one side of the centering clamping assembly; and a welding assembly consisting of a first welding torch and a second welding torch, with their output ends facing the outer circumferential fillet weld and the inner circumferential fillet weld of the flange, respectively. This invention ensures the coaxial alignment accuracy between the steel pipe and the flange through the centering clamping assembly and the support assembly, avoiding misalignment.

The utility model relates to a kind of steel structure net rack's supporting device, belong to steel structure net rack construction technical field. Including bottom layer connecting plate A, the upper surface of bottom layer connecting plate A is equipped with first bolt ball by reinforcing rib plate A, the upper surface of bottom layer connecting plate B is equipped with second bolt ball by reinforcing rib plate B, the bottom of bottom layer connecting plate A is equipped with rotatable base A, the bottom of bottom layer connecting plate B is equipped with rotatable base B, rotatable base A and rotatable base B between installation are used for supporting the net rack cross bar net rack cross bar supporting assembly. The utility model has the following beneficial effects: by adding rotatable base A and rotatable base B, for adjusting the relative position of second bolt ball and net rack cross bar, ensure the butt joint accuracy when net rack cross bar is connected with first bolt ball, second bolt ball. Net rack cross bar supporting assembly makes the connection strength between adjacent two groups of bolt ball stronger, its structure is simple, and stability is good.

The application discloses a high-precision plug core product forming die and a forming method, and relates to the field of injection molding dies. In view of the MT plug core forming problem of an ultra-fine inner hole, a multi-section split die core structure is adopted, the cavity is divided into an upper forming block, a lower forming block and a sealing block, an ultra-fine hole forming needle and a hole forming rod of tungsten steel material are used to form the cable fine hole; the inner forming block and the sealing block are integrally formed by oil cutting, the tail end of the hole forming needle is axially and angularly fixed through a connecting device; a matching anti-shaking multi-slider mechanism is used to stably translate the sealing block through cooperation of an inclined rod and an inclined channel, and a spring is used to eliminate transmission clearance; integrated mold temperature automatic measurement, cavity pressure real-time sensing and exhaust sealing structure are used to realize closed-loop monitoring in the forming process. The application effectively avoids the breakage of the slender insert during processing and the injection deformation, improves the forming precision of the ultra-fine inner hole, and improves the product consistency and yield.