31results about How to "Good alignment" patented technology

The invention relates to the technical field of first-aid devices for the ultrasonic department, and provides an examination first-aid device for the ultrasonic department. The examination first-aid device comprises a cardio-pulmonary resuscitation machine, an examination couch and a plurality of supporting legs fixedly connected with the bottom face of the examination couch; cross bars are fixedly connected between sleeves of the supporting legs, and a pair of front and back symmetric adjusting mechanisms are rotationally connected between the cross bars and the bottom face of the examinationcouch; an electric push rod is fixed on any adjusting mechanism through a mounting base, and the electric push rod is fixedly connected to the other adjusting mechanism through the free end of the electric push rod; symmetric grooves are formed in the left side and the right side of a shell of the cardio-pulmonary resuscitation machine in a hollowed-out mode, and a transverse shaft in the front-back direction is fixedly connected in the grooves; convex sliding grooves are symmetrically formed in the left side and the right side of the top face of the examination couch, and the convex slidinggrooves sleeve a cross shaft of the cardio-pulmonary resuscitation machine through two groups of L-shaped connecting rods which are designed in a left-right symmetry mode; the cardio-pulmonary resuscitation machine is located over the examination couch. According to the device, a patient can be timely rescued in time, and the height of the examination couch can be conveniently adjusted.

The invention provides a GaN-based LED epitaxial structure preparation method for improving the crystal quality. A TMGa source is introduced for a period of time during epitaxial growth of a GaN-based LED epitaxial film and pre-baking of a growth substrate at high temperature, and then the growth substrate continues to be pre-baked at high temperature. The substrate and the environment for epitaxial growth are improved without increasing the process complexity, the whole LED epitaxial layer has higher crystal quality, higher brightness and higher electrical yield, the atomization phenomenon is effectively reduced, and the production cost is lowered.

The invention discloses a water dispenser. The water dispenser comprises a shell body, a water receiving platform and water outlet nozzles. The water dispenser further comprises a water outlet nozzle lifting device arranged in the shell body, wherein the water outlet nozzles are fixedly arranged at the lower end of the water outlet nozzle lifting device. According to the water dispenser, the water outlet nozzles can go up and down, and the water dispenser can be suitable for water receiving by using a disposable paper cup or a glass cup without a handle.

A steel pipe combined guide bar is disclosed, wherein the steel pipe combined guide bar comprises steel wire parts and steel pipe parts. The guide bar is constituted by sleeving a plurality of steel pipe parts on the steel wire parts. The steel pipe is provided with 1-2 clamping slots. The steel pipe combined guide bar has the advantages that only a standard jacquard needle and a 364.3 measure are required for determining the zero point of the guide bar, due to the fact that the slots are separated from the steel wires; and a glue is used (before gluing, the pipe can rotate and move on the steel wire for aligning the position). The glue is conveniently dried after 3 minutes; and then a guide bar is formed by sleeving 13 pipes head-to-tail. The length of the guide bar can be determined as need. Odd number needle pitch and even number needle pitch can be arranged, accordingly meeting the requirements of different needle pitches.

The invention discloses a processing method of a multi-pole magnetic ring applicable onto a motor. The processing method comprises the following steps of: 1, pouring magnetic powder into a concave die (1.1) on a fixed template (1); 2, pressing the magnetic powder; and 3, carrying out orientation on the magnetic powder in respective corresponding regions, wherein the processing method is characterized in that the step 3 also comprises the following step of: 3.1, in which a plurality of partition plates (5) are arranged in the concave die (1.1), the number of the partition plates (5) is the same as the number of orientational electromagnet assemblies (4), a magnetic boundary line (6.1) formed after arbitrary adjacent orientational electromagnet assemblies (4) are energized is overlapped with the corresponding partition plate (5), and all partition plates (5) are synchronously drawn away by an external driving mechanism (7) after the orientational electromagnet assemblies (4) are energized. The invention provides the processing method of the multi-pole magnetic ring applicable onto the motor. By the processing method, the magnetic boundary lines of the multi-pole magnetic ring can be high consistency in positions and shapes.

The invention provides a preparation method and application of a copper selenide nanosheet array for a sodium ion battery with adjustable interlayer spacing. The copper selenide nanosheet array is made of high-purity copper foil, a selenium source, sodium hydroxide, A strong reducing agent and an intercalation agent are used as raw materials, water is used as a solvent, and a reaction is performed at 20-80° C. for 0.5-4 h to obtain a copper selenide nanosheet array for sodium-ion batteries with adjustable layer spacing. The prominent feature of the present invention is that the distance between copper selenide layers can be regulated at a lower temperature, and the preparation method of the material is simple, the energy consumption is low, and it is easy to industrialized large-scale production; Controllable appearance and high specific surface area. When the material is used as an anode material for a sodium ion battery, it exhibits the advantages of high specific capacity, good rate performance and superior cycle performance. Therefore, the material is expected to be widely used in sodium ion batteries and other alkali metal ion batteries, thermoelectric materials and other fields.

The invention discloses a crossing operation abrasive disk structure and an operation method thereof and relates to the technical field of advanced manufacturing and automation. The crossing operationabrasive disk structure comprises a set of rectangular arrayed rotating parts and a set of abrasive disks mounted on the rotating parts. Each abrasive disk comprises a set of annular arrayed claw parts. The claw parts of the adjacent abrasive disks are arranged in a staggered mode. The end of each claw part is provided with an abrasive plate mounting disk. The periphery of each abrasive plate mounting disk is provided with a convex wall. The end, far away from a rotary center shaft of the corresponding abrasive disk, of each wall is provided with a notch. The end, far away from the rotary center shaft of the corresponding abrasive disk, of the bottom of each abrasive plate mounting disk is provided with a bulge, an abrasive plate mounted in each abrasive plate mounting disk is provided with an avoiding part corresponding to the bulge, the top end of each bulge is provided with a pressure sensor device, and the center of the bottom of each abrasive plate mounting disk is provided witha magnet. Through the crossing operation abrasive disk structure, the grinding efficiency is greatly improved; through attraction of the magnets and locating of the bulges, the abrasive plates are mounted firmly and are convenient to replace. The pressure sensors are used for detecting whether installation is qualified or not and the abrasive plates shift or not in the operating process, and automatic detection during the installation and operation process is realized.

The invention provides a method for preparing a GaN-based LED epitaxial structure with improved crystal quality. During the epitaxial growth of a GaN-based LED epitaxial wafer, a TMGa source is introduced for a period of time when the growth substrate is baked at a high temperature, and then the growth substrate is continued to be baked at a high temperature. The substrate and environment for epitaxial growth are improved without increasing the complexity of the process, so that the crystal quality of the entire LED epitaxial layer is higher, the brightness is higher, the electrical yield is better, and the fogging phenomenon is effectively reduced. reduce manufacturing cost.

A steel pipe combined guide bar is disclosed, wherein the steel pipe combined guide bar comprises steel wire parts and steel pipe parts. The guide bar is constituted by sleeving a plurality of steel pipe parts on the steel wire parts. The steel pipe is provided with 1-2 clamping slots. The steel pipe combined guide bar has the advantages that only a standard jacquard needle and a 364.3 measure are required for determining the zero point of the guide bar, due to the fact that the slots are separated from the steel wires; and a glue is used (before gluing, the pipe can rotate and move on the steel wire for aligning the position). The glue is conveniently dried after 3 minutes; and then a guide bar is formed by sleeving 13 pipes head-to-tail. The length of the guide bar can be determined as need. Odd number needle pitch and even number needle pitch can be arranged, accordingly meeting the requirements of different needle pitches.

The invention belongs to the field of sporting goods, and relates to repairing equipment for defective shuttlecocks used in badminton halls, comprising a casing, wherein a working cavity is arranged in the casing, and the lower side wall of the working cavity is fixed on the lower side wall. A rotating ball motor is provided, and a shuttlecock rotating device is arranged on the rotating ball motor. The shuttlecock rotating device is used to clamp and rotate the shuttlecock, and a detection block is fixed on the right side wall of the working chamber. The present invention is used in badminton training bases or badminton halls. Players collect good feathers from broken shuttlecocks and store them in the equipment. When one or two feathers of the shuttlecock are broken, the shuttlecock can be put into the equipment body, and the shuttlecock can be put into the equipment. Diagnose the broken hair and use the stored feathers to re-repair. The repaired shuttlecock can achieve a good flight trajectory, which is not much different from the new one.

The invention relates to the technical field of the antenna, especially a RF antenna with a protection structure. The RF antenna comprises a reflective plate, multiple vibrators and wiring terminals are arranged on the reflective plate; the wiring terminals are connected with the vibrators through feeder lines; the RF antenna further comprises a box body protective shell with an opening at the top; the reflective plate is detachably fixed in the protective shell; an outer cover matched with the shape of the protective shell is covered at an upper part of the protective shell; the bottom edge of the outer cover is connected with the sidewall of the protective shell through multiple first connecting bolts; multiple sight openings are arranged on the top of the outer cover; sealing plates inparallel are arranged on the outer covers at two sides of the sight openings. The protective cover part is split into the protective shell and the outer cover; the protective shell and the outer coverare in a butt-joint way; the sight opening for overhauling is arranged on the outer cover; and the cover plate is arranged on the sight opening, thereby facilitating the mounting and the maintaining.

The invention provides a preparation method for preparing a carbon fiber compound electrolysis electrode. The preparation method comprises the following steps that S1, two carbon fiber strips are superposed up and down and are mutually perpendicular; the carbon fiber strip located above serves as a first carbon fiber strip, and the carbon fiber strip located below serves as a second carbon fiber strip; and the first carbon fiber strip and the second carbon fiber strip are in straightly stretched states and are tightly contacted; S2, the second carbon fiber strip is folded towards the directionwhere the first carbon fiber strip is located; and after the second carbon fiber strip is folded, the second carbon fiber strip clamps the first carbon fiber strip; S3, the first carbon fiber strip is folded towards the direction where the second carbon fiber strip is located; and after the first carbon fiber strip is folded, the first carbon fiber strip clamps the second carbon fiber strip; S4,the S2 and the S3 are sequentially repeated until the carbon fiber strips can not be folded, and a semi-finished product of the electrolysis electrode is obtained; and S5, the semi-finished product issubjected to heat treatment and pressure treatment, and the electrolysis electrode is obtained. The invention further provides the carbon fiber compound electrolysis electrode prepared by the preparation method.

The invention provides a plugging device, which mainly includes a frame, on which a first holding mechanism, a plugging drive mechanism and a carrying unit are arranged, the carrying unit has a floating mechanism and a limit mechanism, and the limit drive mechanism drives a limit When the position part is connected with the plug part, and the floating of the plug part is restricted, the plug part can be driven by the plug drive mechanism to form a pre-mating with the plug mating part; and the limit drive mechanism drives the limit When the position part is away from the socket part and the floating restriction on the socket part is canceled, the socket part can be driven by the socket drive mechanism to form a socket with the socket mating part. The plug-in device of the present invention can limit the floating of the plug-in part and perform pre-plugging before the plug-in part and the plug-in mating part are plugged in, which is beneficial to the alignment of the plug-in part and the plug-in mating part, and then The floating restriction on the plug-in part can be cancelled, and since the floating mechanism exists during plug-in, it can effectively prevent damage to the plug-in part and the plug-in mating part.