24results about How to "No misalignment" patented technology

The substrate for diamond growth comprises a splicing unit group, the splicing unit group comprises a first single crystal diamond and a second single crystal diamond, and in the splicing state, a first front face and a second front face are spliced to form a growth surface with a small splicing seam. The diamond splicing growth method comprises the following steps: S1, selecting the first single crystal diamond as a substrate to grow an epitaxial layer; s2, separating the epitaxial layer in the step S1 from the first substrate to obtain a second single crystal diamond; the method is characterized by further comprising the steps that S3, the first single crystal diamond and the second single crystal diamond are cut; s4, splicing the first front surface of the first single crystal diamond and the second front surface of the second single crystal diamond obtained in the step S3, and inversely arranging to obtain a spliced unit group; and S5, cutting and separating after growth to obtain the large-size monocrystal diamond. The method has the advantages that the quality of splicing seams of the obtained large-size diamonds is good, and the splicing method of the splicing unit group is simple.

The utility model discloses a mechanical arm which comprises a mounting seat, a first arm, a second arm, a first drive and a second drive, a first rotating shaft and a second rotating shaft which are coaxial are arranged on the mounting seat, the end portion of the first rotating shaft is connected with the first arm, the first rotating shaft is connected with the first drive, the end portion of the second rotating shaft is connected with the second arm, and the second rotating shaft is connected with the second drive. The first driver and the second driver are both arranged between the end faces of the first rotating shaft or / and the second rotating shaft, the second arm is movably connected with the first arm, and a connecting base is arranged at the end of the second arm; according to the mechanical arm, the layout is reasonable, the occupied space is small, the movement of the mechanical arm cannot be interfered, and meanwhile, the first rotating shaft and the second rotating shaft are coaxially arranged, so that the first arm and the second arm cannot be staggered in the movement process; the first arm and the second arm complete material taking and transferring actions of the mechanical arm, and meanwhile the precision and the service life are guaranteed.

The utility model relates to the technical field of wind power generation, and discloses a wind power generation installation auxiliary alignment device which comprises a first section column, a second section column installed above the first section column, a fixing ring installed above the second section column, a generator cabin installed at the center above the fixing ring, a support arranged at the left end of the generator cabin, and fan blades installed on the support. The lower end of the clamping piece protrudes out of the surface of the fixing block, the upper end of the clamping piece is fixedly connected with the fixing block, and the fixing block is installed on the lower surface of the second section column; the structure is used for fixing the position of the second section column and at least comprises a set of clamping structures, a clamping piece is arranged below the second section column, an inserting block is arranged above the first section column, a semicircular groove is formed in the upper portion of the inserting block, and when the second section column falls, the clamping piece moves towards the center in the semicircular groove along the track in the circular groove; and the fixing columns are arranged on the periphery of the clamping structure, so that the stand columns can be secondarily fixed.

The disclosure discloses a preparation method of a light emitting diode chip, and belongs to the technical field of semiconductors. The preparation method comprises the following steps: growing an epitaxial layer; sequentially depositing a transparent conductive layer and an etching stop layer on one side of the epitaxial layer; patterning the transparent conductive layer and the etching stop layer to expose part of the epitaxial layer; preparing a photoresist layer on the side of the etching stop layer away from the transparent conductive layer, so that the photoresist layer covers part of the etching stop layer; and etching the exposed transparent conductive layer, etching stop layer and epitaxial layer to form a mesa and an isolation trench. The embodiment of the disclosure can simplify the etching process and reduce the process cost.

The invention relates to a vertically stacked red, green and blue full-color carrier chip for a microLED display panel. The vertically stacked red, green and blue full-color carrier chip comprises a temporary wafer; and a plurality of LED stacks arranged on the temporary wafer, each of the plurality of LED stacks including a light emitting portion stacked in a vertical direction by a bonding layer, the plurality of LED stacks forming a short channel in a partial region, and emitting only a specific color by current to the light emitting portion where the short channel is not formed, the short channels include a first short channel formed so as to correspond to the width of the light-emitting part, and a second short channel formed so as to penetrate through the light-emitting part.

The utility model discloses a building construction reinforcing steel bar welding clamping device, which relates to the technical field of building construction, and comprises two lifting tables, the surfaces of the two lifting tables are both connected with a lower clamping plate and an upper clamping plate in a sliding manner, and the outer side walls of the lower clamping plate on one side and the upper clamping plate on the other side of the lifting tables are both fixedly connected with telescopic cylinders; one steel bar positioning roller is connected with the upper clamping plate on one side, a steel bar is tightly attached to the bottom face of the upper clamping plate through an annular groove in the steel bar positioning roller and extends to the butt joint position, the other steel bar positioning roller is connected with the lower clamping plate on the other side, and the steel bar is tightly attached to the top face of the lower clamping plate through an annular groove in the steel bar positioning roller and extends to the butt joint position. The knob is held by hand to control the fixing plate to rotate, the sliding seat and the connecting column retreat and get away from the lifting table until the two steel bars are clamped mutually, the circular groove in the steel bar positioning roller ensures that the steel bars do not deviate during butt joint, and the effect of accurate positioning and butt joint of the steel bars is achieved.

The invention relates to the technical field of building auxiliary equipment, in particular to a mounting device of a house PC prefabricated part and a using method, a guide rod is fixedly connected to a movable bottom frame, side edge limiting pieces are slidably connected to the two sides of the guide rod, and a two-way screw rod used for adjusting the distance between the two side edge limiting pieces is rotatably connected to a fixed frame; the upper end of the movable bottom frame is fixedly connected with an end limiting piece, and the end limiting piece is located below the limiting roller. The two side edge limiting pieces make contact with the hoisted pre-assembled PC prefabricated part and limit the hoisted pre-assembled PC prefabricated part, so that the hoisted pre-assembled PC prefabricated part cannot rotate in the horizontal direction, the end of the hoisted pre-assembled PC prefabricated part makes contact with the rotating roller, the rotating roller limits the end of the pre-assembled PC prefabricated part, and therefore the pre-assembled PC prefabricated part can be fixed. And the hoisted pre-assembled PC prefabricated part is aligned with the foundation PC prefabricated part on the ground, dislocation is avoided during installation, and the PC prefabricated part can be conveniently and rapidly installed and fixed.

The invention discloses a servo tracking edge cutting mechanism of an edge sealing machine and an edge cutting method of the servo tracking edge cutting mechanism. The edge sealing machine comprises a conveying line used for transversely conveying plates. The servo tracking edge cutting mechanism comprises an X-axis moving mechanism, a Z-axis moving mechanism, an X transverse profiling moving mechanism, an edge cutting mechanism, a Y-axis moving mechanism, a backup plate and a buffering mechanism. The X-axis moving mechanism, the Z-axis moving mechanism, the X transverse profiling moving mechanism, the edge cutting mechanism, the Y-axis moving mechanism and the buffering mechanism are connected with the control system. According to the servo tracking edge cutting mechanism of the edge sealing machine, the servo tracking edge cutting mechanism is accurately controlled to track walking of a plate through the servo motor, then edge sealing belts protruding out of the two sides of the plate are cut through cooperation of the Z-axis moving mechanism, the X-axis profiling moving mechanism and the edge cutting mechanism, cutting is carried out while walking is carried out, and the edge sealing efficiency is improved. The plate is always conveyed forwards in the whole edge cutting process without stopping, the edge cutting efficiency is greatly improved, the edge cutting quality is very high, and the phenomenon that edge sealing belts are not aligned after edge cutting is avoided.

The present invention relates to a vertically stacked micro display panel, comprising: a back wafer having a plurality of CMOS electrode pads arranged on the upper surface thereof; a plurality of LED stacks each including a light emitting portion stacked in a vertical direction by a bonding layer, the plurality of LED stacks being arranged on the plurality of CMOS electrode pads; and a common electrode formed on the plurality of LED stacks, each of the plurality of LED stacks forming a short channel in a partial region, the short channel including a first short channel formed so as to correspond to the width of the light-emitting section, the first short channel including a second short channel formed so as to correspond to the width of the light-emitting section, the second short channel including a second short channel formed so as to correspond to the width of the light-emitting section, and the first short channel including a second short channel formed so as to correspond to the width of the light-emitting section, and the second short channel including a third short channel formed so as to correspond to the width of the light-emitting section. And a second short channel formed so as to pass through the light-emitting unit. According to the present invention, there is an effect of facilitating the formation of a short channel in a vertically stacked serial connection (tandem) structure.

The utility model belongs to the butt joint technical field of pipe pile, concretely is a kind of pre-stressed pipe pile accurate butt joint and weld joint control frock, including the upper guide hoop and lower guide hoop of up-down concentric distribution, the upper guide hoop and lower guide hoop all include two arc hoops, and one side end between one of two arc hoops is rotatably connected, and the other one side end between two arc hoops is connected by fastener, and in the up-down direction between two arc hoops on the same side is connected by connecting piece connection.The utility model can guarantee that pipe pile joint is straight, and deformation is avoided, the quality of jointing is improved, the deformation of weld joint is avoided by constraint force, the effect of stable and control weld joint is reached, at the same time, the heat dissipation area is increased, so that weld joint can be more quickly and naturally heat dissipated, and weld crack caused by cooling shrinkage stress is prevented.

The invention discloses a multifunctional wire pressing device for electric wire production, relates to the technical field of electric wire pressing devices, and solves the problem that when an outer wrapping layer of an electric wire is cut, part of waste falls off and is accumulated in the device, and continuous electric wire production and processing are affected. The multifunctional wire pressing device for wire production comprises an equipment base, a waste recovery box, a processing seat, a guide conveying assembly, a roller wire pressing assembly, an integrated wire stripping and cleaning mechanism and a wire body, one side of the top of the equipment base is slidably connected with the waste recovery box, and the processing seat is arranged at the top of the waste recovery box and the top of the equipment base; a guide conveying assembly is mounted on one side of the top of the machining base. According to the invention, the rotating force for cutting and stripping the electric wire can synchronously drive the sliding material pushing plate to reciprocate, automatically drive the waste material falling to the side surface of the sliding material pushing plate to reciprocate, push and store the waste material into the waste material recovery box, and realize continuous production and processing of the electric wire.

The utility model discloses a front sub -frame of convenient assembly swing arm relates to the field of automotive parts. The front sub -frame of convenient assembly swing arm, including frame main part and swing arm main part, frame U type open file and frame closed cavity are provided with in frame main part side, one end of swing arm main part is provided with swing arm closed cavity, just swing arm U type open file is provided with in the other end of swing arm main part. The front sub -frame of convenient assembly swing arm, has broken the design concept of traditional front sub -frame and swing arm same direction assembly, has designed the assembly structure of positive and negative collocation innovatively, in the assembly process, when swing arm closed cavity of swing arm main part front point is embedded into frame U type open file of frame main part, utilizes swing arm U type open file of swing arm main part back point and the virtual positioning that forms with frame closed cavity of frame main part, and the design of virtual positioning makes swing arm main part front and back point not to occur misplacement in the assembly process, has reduced the assembly difficulty.

The application relates to a method for generating a multi-stage slope of earthwork of a building model, which comprises the following steps: acquiring a bottom contour line of an earthwork entity and multi-stage slope data corresponding to each side, determining the outward expansion distance of each side at different heights based on the multi-stage slope data, for any target side, if there is a slope at a certain height on the other side except the target side, the outward expansion distance of the target side at the height is calculated through linear interpolation, the bottom contour line is outwardly expanded layer by layer according to the outward expansion distance corresponding to each height, a plurality of planar contours at different heights are obtained, a slope surface corresponding to each side is generated based on the planar contours of adjacent heights, and the intersecting surfaces in the slope surface are cut to obtain a complete earthwork slope model. Through the application, the problem of topological error under different numbers of steps is solved, the outward expansion values of different slope sides at the same height are supplemented through linear interpolation, self-intersection is eliminated, and surface cutting is performed, so that the slope surfaces are continuously connected, without gaps and misplacement.

The application relates to the explosive pressing technical field and discloses a uniform-pressure skin bag hydraulic machine. The uniform-pressure skin bag hydraulic machine comprises a rack, a hydraulic system and a skin bag liquid-filling pressure increasing system, the lower surface of the rack is fixedly connected with a workbench base plate, the upper surface of the workbench base plate is fixedly connected with a mold, the skin bag liquid-filling pressure increasing system comprises a displacement sensor, a skin bag body, a rubber pad, an upper push rod and a punch, the inside of the rack is slidably connected with a sliding block, the sliding block is located below a main oil cylinder, the inside of the sliding block is provided with the displacement sensor, the side surface of the sliding block is provided with the rubber pad, the upper surface of the rubber pad is provided with the skin bag body, the upper surface of the skin bag body is provided with a skin bag oil inlet, the lower surface of the rubber pad is provided with the upper push rod, the end, away from the rubber, of the upper push rod is movably connected with the punch, the sliding block-embedded skin bag and the outer-wrapped rubber pad structure can reduce the stress of the skin bag and prolong the service life of the skin bag.

The application provides a focusing system and a focusing method. The focusing system comprises a multi-channel illumination unit, a projection grating mask, a light splitting prism, an imaging lens, a light splitting plate, a microscope objective, a detection grating mask, a converging lens, a detector and an object table for carrying a sample to be measured, and further comprises a displacement driving device. The focusing system comprises first, second and third optical axes. The first and third optical axes are parallel, and the first and second optical axes are perpendicular. The first optical axis is a common central axis of the sequentially arranged multi-channel illumination unit, the projection grating mask and the light splitting prism. The second optical axis is a common central axis of the sequentially arranged light splitting plate, the imaging lens, the light splitting prism, the detection grating mask, the converging lens and the detector. The third optical axis is a common central axis of the sequentially arranged light splitting plate and the microscope objective. The displacement driving device is used for adjusting the axial relative position of the imaging lens on the second optical axis. The application reduces the defocus signal detection error and improves the imaging clarity.

The utility model discloses a casting wood mould with high moisture resistance, which comprises a base, baffles fixedly mounted at two ends of the base, a first mould cavity fixedly mounted at the top of the base, a sliding groove formed in the top of the base, a second mould cavity slidably connected in the sliding groove, and mould plates arranged in the first mould cavity and the second mould cavity. According to the utility model, the first mold cavity, the second mold cavity and the mold plate are separately arranged to replace the traditional integrated mold plate, so that the mold plate is separated from the mold cavities; and when the die plate which is deformed due to long-time work or water soaking is damaged, only a new die plate needs to be replaced instead of being integrally replaced, so that the use cost is reduced.

The present invention discloses a stent bundling structure, a stent bundling method and an inserter including the structure, comprising a Y-shaped stent and two release lines connected to two branches of the Y-shaped stent in one-to-one correspondence, the two branches are tightened by a plurality of snap-fit ​​structures respectively, each snap-fit ​​structure has a release end and a tightening end, the release ends of the snap-fit ​​structures on the same branch are connected to the same release line, so that the snap-fit ​​structures on the same branch are released respectively. The present invention tightens the two branches of the Y-shaped stent by a plurality of snap-fit ​​structures, each snap-fit ​​structure is released by its own release end, and when the release line is pulled, each snap-fit ​​structure is loosened respectively, and it is not necessary to pull a long distance, and the release speed is fast.

The utility model discloses a switching type water spraying assembly, which is arranged on the side wall of a ceramic basin, is used for switching a water outlet function, and is characterized by comprising a water outlet body and a switching mechanism, the water outlet body covers the side wall of the ceramic basin; the water outlet body is provided with at least two water spraying cavities, and the two water spraying cavities extend in the length direction of the water outlet body and are distributed up and down in parallel; the switching mechanism is arranged between the water outlet body and the side wall of the ceramic pot, the switching mechanism comprises a water guide piece arranged on the water outlet body and a water inlet piece arranged on the mounting hole in the side wall of the ceramic pot, the water guide piece is provided with two water guide ports corresponding to the two water spraying cavities, and the water guide piece is in sliding connection with the water inlet piece; according to the technical scheme, the water spraying device is simple in structure and convenient to manufacture, the mode that an existing water spraying device adopts a plurality of control switches to switch the water outlet function is abandoned, and the problems that the existing water spraying device is unstable in function and poor in use experience feeling are solved.

The utility model discloses a kind of welding support devices for pipe fitting integrated connection, including bottom frame, bottom bar one and bottom bar two are slidably and interval arranged in one side of the bottom frame, end bar is symmetrically arranged in the other end of bottom bar two and bottom frame, support bar two and support bar one are symmetrically arranged in the other side of bottom bar one and bottom frame, cone wheel is rotatably arranged on support bar two, roller is rotatably arranged on support bar one, the opposite side of end bar top is symmetrically connected with cross bar, outer support plate is sleeved on the cross bar, and a plurality of supporting members are evenly connected in the inner end of cross bar;With simple structure, reasonable in design, novel and unique in thought, support a pipe fitting by fixed cross bar's outer support plate and supporting member, and cooperate with movable cross bar's outer support plate and supporting member to support another pipe fitting, another pipe fitting is displaced under the support of supporting member and outer support plate by the displacement of bottom bar one and bottom bar two, and is butt-jointed with a pipe fitting, and is butt-jointed with two pipe fittings for facilitating welding.

The utility model relates to the technical field of flange joints, in particular to a flange joint which comprises a first flange plate and a second flange plate, and pipeline joints are connected to the opposite faces of the first flange plate and the second flange plate in a penetrating mode. A plurality of sets of evenly-distributed bolt holes are formed in the first flange plate and the second flange plate and surround the periphery of the pipeline connector, sealing rubber rings are attached to the positions, located on the pipeline connector, of the inner sides of the first flange plate and the second flange plate, and an elastic pressing ring is connected between the first flange plate and the second flange plate. According to the utility model, a group of elastic pressing rings are additionally arranged between the sealing rubber rings of the first flange plate and the second flange plate, so that after the first flange plate and the second flange plate are fastened through the assembly bolt, an abutting force opposite to the bolt can be formed on the first flange plate and the second flange plate under the elastic tension of the elastic pressing rings; therefore, the pre-tightening force of the assembly bolt is enhanced, looseness of the assembly bolt is avoided, and connectivity is improved.

The utility model discloses a natural gas pipeline's anti -explosion anti -leakage safety device belongs to pipeline safety technical field, and it includes seal cover no.

This invention relates to the field of cake base conveying technology and discloses a cake base conveying line, including a base frame with a U-shaped structure. Multiple parallel and spaced horizontal plates are arranged on the upper surface of the base frame for placing the cake base. The line also includes a material conveying mechanism and a coating mechanism. The material conveying mechanism includes a lifting block disposed between two adjacent horizontal plates and a lifting assembly disposed on the side of the base frame closest to the ground. The coating mechanism includes a top frame disposed above the base frame, with a brush head in the center of the top frame. The bristles of the brush head face the base frame. When the cake base moves upward with the lifting block to a higher position, the cake base contacts the brush head. This invention, by having the brush head only contact the coating roller to pick up egg wash when the cake base rises to a higher position, fundamentally cuts off the continuous supply of egg wash, completely solving the problem of excess egg wash accumulating on the brush head and dripping and contaminating the conveying line and the products below in traditional devices.

The invention relates to the technical field of angle steel end support riveting devices, and discloses an angle steel end support riveting device for tower mounting, which comprises a worktable, a plurality of moving grooves are formed in the top of the right side of the worktable, and a hydraulic cylinder is fixedly connected to the top of the right side of the worktable. When the angle steel end support riveting device is used, firstly, a to-be-installed angle steel lining is placed over a fixing plate at one end of a finger air cylinder, then an angle steel body is placed in an angle steel groove above a workbench, at the moment, a hydraulic cylinder is started, and one end of the hydraulic cylinder pushes a moving table to slide forwards along a moving groove; the movable table drives an extrusion rod to move forwards, the extrusion rod adjusts a piston piece to extrude gas in an extrusion air cylinder along an inner cavity of the extrusion air cylinder, the gas in the extrusion air cylinder enters the finger air cylinder through a ventilation pipe, and a sliding plug in the inner cavity of the finger air cylinder is extruded by the gas. The sliding plug drives the driving rod to move along the inner cavity of the finger cylinder.