14results about How to "Solve alignment problems" patented technology

The invention discloses a machining device and method for a guide fillet of a sealing structure. The machining device comprises a grinding head, abrasive paper and a positioning shaft, the grinding head is provided with a positioning cylinder and a rotary grinding face, and the rotary grinding face is formed by taking an inner concave arc R as a contour edge and taking the axis of the grinding head as a rotating shaft. Before a guide fillet is machined, abrasive paper is marked along the contour of a cutting sample plate and cut, then the abrasive paper is pasted to a grinding head through glue, a positioning shaft is inserted into a pipe joint, the grinding head is clamped through a handheld electric drill, a positioning cylinder is inserted into a positioning round hole of the positioning shaft, and the grinding head is pressed to a to-be-machined position for grinding; and finally, metallographic abrasive paper is used for polishing the ground round corner, and alcohol is used for cleaning the ground round corner. By the adoption of the guide fillet machining device and method, the problems that repair is difficult and the repair qualification rate is low after the guide fillet is missed to be machined can be solved.

The invention relates to the technical field of motors, in particular to a magnetic self-centering motor assembling method which is applied to a motor and comprises the following steps: forming a rotor assembly; a rotor assembly is rotatably and preliminarily installed on a base through a rotating shaft assembly, an end cover is preliminarily installed on the base, a bearing chamber of the end cover supports an outer ring of a bearing on the rotating shaft assembly through a radial elastic supporting unit, and the radial elastic supporting unit allows the outer ring of the bearing to slightly and radially float; a driving current is applied to the stator assembly, so that the rotor assembly generates a rotation trend or rotates at a low speed, and the rotor assembly is driven to overcome the micro radial rigidity of the radial elastic supporting unit by utilizing the unbalanced magnetic pulling force of interaction between the rotor assembly and the stator assembly; and the rotation axis of the stator assembly is automatically adjusted to a position which tends to be coaxial with the central axis of the stator assembly. The method can actively compensate radial dimension chain errors and assembly deviations accumulated in the previous process.

The utility model relates to welding equipment technical field, concretely relates to a kind of intelligent gantry submerged arc automatic welding machine, it includes: piece platform, top is equipped with multiple piece grooves along length direction, and both sides are equipped with machine tool track respectively;Welding machine tool, welding machine tool is transversely placed above piece platform, and two ends are respectively equipped with with machine tool track cooperation walking mechanism, welding machine tool top is respectively equipped with welding machine power supply corresponding each piece groove;Movable crossbeam, movable crossbeam is horizontally arranged in welding machine tool middle part, and movable crossbeam is equipped with with each piece groove corresponding cross slide;Telescopic arm, respectively with each cross slide corresponding each cross slide connection, bottom end is respectively equipped with welding torch, welding torch is connected with corresponding welding machine power supply;Controller, controller is set in one side of welding machine tool, and walking mechanism, telescopic arm, welding machine power supply and welding torch are respectively electrically connected with controller.The utility model is integrated, and automation design has significantly improved the efficiency and quality of I-shaped steel structure welding.

An underground classified garbage collection device and a sliding cover opening mechanism thereof are characterized in that: a cover body is configured for one or more rows of inner barrels arranged in an outer barrel; tracks and rollers are arranged between the cover body and the one or more rows of inner barrels, and the arrangement direction of the row of inner barrels is used as the sliding direction, and the track is arranged in the sliding direction; a section of guide rail or at least two guide wheels are arranged for each inner barrel arranged in a row, and the guide rails or guide wheels provided for each inner barrel in a row are spliced ​​and aligned using the track positioning structure between the inner barrel and the outer barrel, so as to ensure the accuracy of the cooperation between the track and the roller in the use state. This scheme is to solve the problems of the existing underground classified garbage collection device cover design occupying a large site area and poor cover opening convenience, and is easy to install and use.

The utility model discloses a hydraulic pump piston assembling mechanism which comprises a base, side plates are fixedly connected to the two sides of the top of the base, a movable plate is connected between the two side plates in a sliding mode, a first fixing base is fixedly installed in the center of the bottom of the movable plate, and a second fixing base is fixedly installed in the center of the bottom of the first fixing base. And first moving grooves are formed in the positions, close to the two sides, of the bottom of the first fixing base correspondingly, moving blocks are slidably connected into the first moving grooves, piston outer clamping plates are fixedly connected to the bottoms of the moving blocks, and the bottoms of the piston outer clamping plates penetrate to the exterior of the first fixing base. According to the hydraulic pump piston assembling mechanism, through cooperation of the first two-way threaded rod and the first threaded sleeve plate and accurate control of the variable frequency motor, accurate alignment and adjustment of the piston outer clamping plate are achieved, the alignment problem caused by the shape and size difference of pistons is effectively solved through the design, and the assembling success rate and efficiency are improved.

The honeycomb lamp comprises a lamp strip, first electric connecting bases and an adapter base, the lamp strip comprises a lamp shell, a lamp panel arranged in the lamp shell and the first electric connecting bases arranged at the two ends of the lamp shell, the two ends of the lamp panel are electrically connected with the first electric connecting bases, and each first electric connecting base comprises a power source positive electrode and a power source negative electrode; the adapter is provided with at least two first electric connection seats, the two first electric connection seats are connected in series, the adapter is provided with at least two second electric connection seats, the second electric connection seats of the same adapter are connected in series, the second electric connection seats are matched with the first electric connection seats, each second electric connection seat comprises a driving positive electrode and a driving negative electrode, and the inner side of the adapter is provided with a preset bending angle; the first electric connection seat and the second electric connection seat are electric connection grooves, a plug-in module is arranged between the first electric connection seat and the second electric connection seat, and two ends of the plug-in module are provided with male terminals matched with the electric connection grooves.

The utility model discloses a new energy high-speed rotor high-efficiency detection device, which belongs to the technical field of motor test equipment, and comprises a test bench end cover, the bottom surface of the test bench end cover is respectively provided with a lifting assembly and a clamping assembly, the execution end of the lifting assembly is provided with a support frame assembly, and the support frame assembly is provided with a clamping assembly. And the clamping assembly and the support frame assembly are respectively used for positioning the rotor. According to the utility model, the copper sleeve is designed on the support frame assembly and is used for protecting the rotor and the clamping assembly to coaxially move to the greatest extent when the concentricity of the rotor and the clamping assembly deviates, so that the personal safety of testers is protected and the damage of test equipment is avoided under the condition that the rotor is prevented from being broken; the high-strength force of the pressurizing laminated spring can fully ensure the clamping degree of the rotor in high-speed movement, so that the rotor cannot be loosened during movement, and the centering problem is solved by designing the lifting assembly capable of lifting and centering the center of the lifting assembly and the center of the clamping assembly.

The utility model relates to the technical field of concrete wallboards, and discloses an autoclaved aerated concrete wallboard which comprises a wallboard body, a vertical clamping plate and a vertical clamping groove, the vertical clamping plate is fixed to one side of the wallboard body, the vertical clamping groove matched with the vertical clamping groove is formed in the other side of the wallboard body, and the vertical clamping groove is fixed to the other side of the wallboard body. According to the utility model, through the matching of the vertical clamping plate, the vertical clamping groove, the transverse clamping plate and the transverse clamping groove, when the wallboard main bodies are assembled and aligned, the wallboard main bodies can be clamped and aligned firstly and then fixed subsequently, so that after the wallboard main bodies are aligned, the wallboard main bodies can be conveniently assembled and aligned, and the wallboard main bodies can be conveniently assembled and aligned. The front face and the rear face can be stably kept on the same vertical plane, the alignment problem of an existing autoclaved aerated concrete wallboard during construction is solved, the wallboard body is more convenient and labor-saving to assemble and align during construction, and the construction difficulty of the wallboard body is greatly reduced.

A railway line center inspection vehicle includes a traveling trolley, a gauge ruler, an ultra-high detector and a prism measuring device. The gauge ruler includes a bottom plate and two racks. An intermediate gear is arranged at the center of the bottom plate. One rack is arranged on one side of the intermediate gear and a scale is arranged on the rack. Another rack is arranged on the other side of the intermediate gear and a pointer is arranged on the rack. The rack meshes with the intermediate gear. A spring is arranged at one end of the rack. An electric insulating bearing is connected to the other end of the rack. The electric insulating bearing contacts the inner side of the rail. A support frame is arranged on the bottom plate and the rack. The support frame is connected to the traveling trolley. The prism measuring device includes a prism, a prism rod and a pressure block. One end of the prism rod is connected to the prism. The other end of the prism rod is connected to the pressure block. The pressure block is fixed on the bottom plate at a position directly above the intermediate gear. This design not only has high measurement accuracy and high work efficiency, but also has low cost.

The invention relates to the technical field of vehicle testing, in particular to a brake wear particulate matter testing device and method with high coaxiality and sealing performance. The device comprises a hub for testing and an absorption assembly, the hub for testing comprises a rotating assembly, a rolling bearing and a stator spoke sheet. The rotating assembly comprises a spoke and a rim which are fixedly connected through a bolt; the stator spoke sheet comprises a first center hole, and the rim comprises a second center hole; the two ends of the rolling bearing are installed in the first center hole and the second center hole respectively. The absorption assembly comprises a collection cover, and the stator spoke pieces are fixedly connected with the collection cover in a sealed mode. The hub for testing replaces an original hub of a vehicle to carry out braking wear particulate matter testing, and in the rotating process of the hub for testing, the stator spoke piece and the collecting cover are static; and under the connection action of the rolling bearing, the collecting cover is coaxial with the hub for testing.

The invention relates to the technical field of metal machining equipment, and provides a trundle metal support welding system which comprises a workbench and a welding machine installed at one end of the top of the workbench. A rotating disc is installed at the bottom end of the workbench, a clamping mechanism is arranged at the top of the rotating disc, a base is arranged at the bottom of the clamping mechanism, a discharging structure is installed at one end of the base, and a collecting groove is formed in one side of the top of the workbench. The full-automatic welding machine has the functions of automatic feeding, rotating disc multi-station circulation, high-precision clamping and positioning and automatic discharging, the system achieves complete automatic circulation from part feeding to finished product discharging, the rotating disc type three-station design enables feeding, welding and discharging procedures to be operated in parallel, the waiting time between the procedures is greatly shortened, and the working efficiency is improved. The whole production efficiency and the equipment utilization rate are improved, meanwhile, the labor intensity of workers is reduced, continuous and efficient automatic production is achieved, and the problem that traditional manual or semi-automatic welding efficiency is low is effectively solved.

A railway rail center detection vehicle comprises a traveling trolley and a prism measuring device; the traveling trolley comprises a frame and a push rod, a nylon wheel is arranged at the bottom of one end of the frame, the nylon wheel is arranged on the left rail, a steel groove wheel is arranged at the bottom of the other end of the frame, and the steel groove wheel is clamped on the right rail; the prism measuring device comprises a prism, a prism rod and a joint bearing seat, a mounting hole is provided in the middle of the joint bearing seat, a joint bearing is arranged in the mounting hole, both sides of the joint bearing seat are provided with limited holes, bolts are arranged in the limited holes, the bolts support the joint bearing, the joint bearing seat is connected to the frame, one end of the prism rod is connected to the prism, the center of the prism coincides with the center of the right rail, the other end of the prism rod is threadedly connected to one end of the prism rod joint, the other end of the prism rod joint is inserted in the joint bearing, and a universal bracket is connected between the prism rod and the frame. This design not only has high measurement accuracy and high work efficiency, but also has low cost.

The invention discloses a device and a method for measuring the tensile strength of a small-size test piece. The device comprises an upper clamp, a limiting guide rail, a lower clamp, a connecting sleeve, a connecting rod, an auxiliary tool and a baffle, the upper clamp and the lower clamp are connected through the limiting guide rail, and the combination face is provided with an arc-shaped groove in mirror symmetry. And the lower clamp, the connecting rod and the connecting sleeve form a ball sleeve structure for ensuring load centering. The method comprises the following steps: spraying black and white speckles on a test piece; standing the prepared test piece in the arc-shaped groove of the lower clamp by utilizing auxiliary work, and adjusting the upper clamp until the groove is in contact with the test piece; removing the auxiliary tool, debugging the DIC, and loosening the connecting sleeve; applying a pressing load until the test piece is damaged; analyzing and processing data, and calculating the tensile strength of the test piece. The centering device solves the problem of centering of small-size test pieces when loads are applied, is simple in structure, facilitates collection of damaged test pieces and facilitates follow-up fracture analysis.

The invention discloses a microporous sheet and a manufacturing method of the microporous sheet. The manufacturing method of the microporous sheet comprises the following steps: providing a substrate; forming a pattern layer on the substrate; a metal layer is deposited on the pattern layer through an electroforming procedure, the metal layer comprises a dummy metal sheet and a plurality of micropore sheets, the micropore sheets are arranged in the dummy metal sheet at intervals, and each micropore sheet is connected to the dummy metal sheet through at least one connecting structure; and stripping the metal layer from the substrate, and taking out the plurality of microporous sheets from the metal layer. The connection structure between the outer diameter area of the microporous sheet and the dummy metal sheet is provided with a concave joint surface, and the concave joint surface has a relatively thin thickness, so that the fracture surface can be limited at the designed joint surface when the microporous sheet is taken down.