23results about How to "Simple processing technology" patented technology

A motor rotor, a motor using the rotor and a kind of oil fume suction, a kind of motor rotor, characterized in that, the motor rotor includes: a plurality of sequentially laminated rotor core punching sheet, rotor core punching sheet includes inner rotor punching sheet and outer rotor punching sheet;Outer rotor core is also provided with magnetic steel slot along the circumferential direction at intervals;Magnetic steel assembly and filler;Wherein, the outer rotor punching sheet includes a plurality of outer rotor punching sheet units, adjacent outer rotor punching sheet units are independent and form the magnetic steel slot;The outer contour of each outer rotor punching sheet unit is the continuous arc line formed by the intersection of at least two eccentric circular arcs, and the center of each eccentric circular arc is eccentric with the center of the outer circle of the rotor core punching sheet.The utility model has the advantages that: multiple eccentric circular arc structure is adopted, the leakage magnetic quantity is greatly inhibited under the condition of guaranteeing output characteristic, the motor output torque characteristic is improved, high performance and good NVH characteristic are realized.

The utility model discloses an integrated optical fiber isolator for a laser in the field of optical devices, which comprises an integrated optical fiber, the integrated optical fiber comprises an optical fiber body and a plurality of micro-nano structure pairs positioned in the optical fiber body, and the optical fiber body comprises a core layer and a cladding. The included angle between the micro-nano structure pair and the forward transmission direction of the integrated optical fiber is smaller than 90 degrees, so that the micro-nano structure pair is coupled with light which is reversely transmitted in the core layer. According to the utility model, the micro-nano structure is processed on the optical fiber body, and the micro-nano structure is utilized to realize the isolation of the reverse light, thereby not only reducing the damage of the reverse light to the device, but also being higher in integration level and smaller in size of the whole isolation device, and reducing the risk of damage.

The utility model discloses a kind of electric actuator hand wheel anti-pressing malfunction locking devices, it is related to industrial system electric actuator technical field, to solve the gear damage caused by external force mispressing of electric actuator hand wheel, remote automatic adjustment function failure, even cause parameter deviation or tripping problem.The device includes anti-escape locking pad and anti-escape locking pin, anti-escape locking pad is equipped with anti-escape locking pin positioning hole, anti-escape locking pad can be processed into corresponding size according to the pressing gap of different models electric actuator hand wheel and hand wheel shaft diameter, anti-escape locking pin is fixed in electric actuator hand wheel pressure gap position by passing through positioning hole with anti-escape locking pad, and close hand wheel and actuator.This device can effectively prevent hand wheel from being pressed down by external force, low in cost, high in compatibility, suitable for a variety of imported and domestic electric actuator with hand wheel operating device.

This utility model discloses a connection structure between the bottom tube and the middle tube of an electric vehicle frame, as well as the electric vehicle frame itself. The connection structure includes a middle tube and a bottom tube. The middle tube is a round tube with a first groove on its bottom side. The first groove includes a first upper end face and a first side end face. The bottom tube is a square tube. The height and width of the first groove match the height and width of the bottom tube, respectively. The rear end of the bottom tube has an arc-shaped structure that matches the wall shape of the middle tube. The upper end face of the bottom tube abuts against the first upper end face and is connected by a first weld. The side end face of the bottom tube abuts against the first side end face and is connected by a second weld. The rear end face of the bottom tube abuts against the middle tube and is connected by a third weld. The connection structure between the middle tube and the bottom tube of the frame is optimized, eliminating the original reinforcing plate design. The bottom tube and the middle tube adopt an insert connection, reducing the number of parts, lightening the overall vehicle weight, shortening the weld, optimizing material preparation and welding processes, and maintaining the overall strength of the vehicle.

The utility model provides a kind of automobile safety air bag quick inflation device, belong to safety air bag technical field. Including jar body, the outside of jar body is fixedly connected with mounting seat, the inside center of jar body is fixedly connected with fixed cylinder, fixed cylinder inside is equipped with igniter, and powder barrel is inserted in the outside of fixed cylinder in jar body inside. The utility model discloses that the release hole is set in the top of sealing cover, so that the gas generated by gas generating agent can flow upwards from the bottom of the jar, and is discharged to the top of the sealing cover. In this gas discharge process, it will be filtered by filter cartridge, effectively prolonging the filtering time of the gas, and thus more fully filtering out harmful substances in the gas. In addition, by optimizing the design of the structure of the powder barrel, the booster tank and the sealing cover, they can be sequentially inserted and installed on the jar before the welding process. Only the connection between the jar and the sealing cover needs to be welded to complete the overall fixation.

The utility model provides a sign lamp circuit board mounting structure, including circuit board and backplate, and circuit board is connected with backplate through the buckle structure and the anti -backoff structure of setting on backplate, the utility model has the advantages of: the fixation of both is realized through the buckle structure and the anti -backoff structure of design on backplate of circuit board, and process technology is simple, and efficiency is high, and it is unnecessary to wait for sealant solidification time, and there is no special requirement to operating personnel, thereby greatly improve production efficiency and good product rate, and bring better economic benefits for enterprise production.

This invention provides a method for preparing and applying perovskite thin films with controlled crystallization. An improved perovskite precursor solution is prepared by mixing an aminopiperidine derivative solution with a perovskite precursor solution. This solution is then coated onto a hole transport layer in air and annealed to obtain a perovskite thin film, which serves as the photoactive layer. This invention incorporates a molecular additive containing a specific piperidine group into the perovskite precursor solution, which controls the crystallization of the perovskite, passivates defects in the perovskite thin film, and optimizes charge transport performance. The perovskite thin film device controlled by the aminopiperidine derivative in this invention exhibits significantly improved reproducibility, with the photoelectric conversion efficiency increasing from 21.68% to 23.17%.

The utility model relates to a kind of medium voltage ring main unit static contact shielding cover, including two symmetrically arranged in the static contact two sides cover body and a for connecting static contact and two cover body's fixed plate, cover body includes trapezoidal flat plate part, annular side plate part, annular transition part, waist-shaped protrusion and reinforcing rib, annular transition part surrounds in trapezoidal flat plate part four around, annular side plate part is located annular transition part inboard, the two sides of annular transition part respectively through rounded corner connection trapezoidal flat plate part and annular side plate part, waist-shaped protrusion and reinforcing rib are arranged in annular side plate part inboard, fixed plate is U-shaped structure, fixed plate is set between two cover body, the two sides of fixed plate respectively through screw and the waist-shaped protrusion of two cover body's detachable connection, the middle part of fixed plate is opened for connecting static contact's mounting hole;The utility model is simple in structure, easy to install, can effectively improve the electric field in disconnecting switch, improve the overall performance and reliability of medium voltage ring main unit disconnecting switch.

The application belongs to the field of rail technology and provides a special-shaped door stand column and a rail car door structure. The special-shaped door stand column comprises a column body, which is a hollow structure. The column body is sequentially connected in a head-to-tail mode by an upper edge, a first side edge, a lower edge and a second side edge. The lower edge is connected by a first horizontal edge, a first vertical edge, a second horizontal edge, a second vertical edge and a third horizontal edge to form a bending structure along the length direction. The first horizontal edge and the third horizontal edge are arranged in a staggered mode along the width direction. The special-shaped door stand column can improve the strength of the stand column.

The invention provides a quick butt joint mechanism. The quick butt joint mechanism comprises an inserting table, a base and a ring buckle, wherein the inserting table comprises a fixed part and an inserting part which are oppositely arranged, and the inserting part is provided with a first groove; the base is provided with a first end face and a second end face which are oppositely arranged; thering buckle is provided with an opening and can elastically contract, and the ring buckle is arranged on the inserting table in a sleeve mode and is accommodated in the first groove; the ring buckle can be inserted into the base in the inserting direction together with the inserting part of the inserting table, and the ring buckle can abut against the second end face of the base through elastic expansion, and limits the reverse movement of the inserting table in the inserting direction; the base is provided with a second boss, and the second boss is used for positioning the relative positionalrelationship between the base and a second embedded assembly in the quick butt joint mechanism. According to a quick butt joint assembly provided by the invention, the relative position relationshipbetween the base and the second embedded assembly is rapidly determined through the second boss, and the phenomena of dislocation and the like generated after the joint between the second embedded assembly and the base is stressed can be avoided.

This invention relates to the field of planetary gear technology, specifically to a structure and method for preventing planetary gear shaft detachment. By creating coaxial first and second holes on the planet carrier and planetary gear shaft respectively, an elastic cylindrical pin is inserted into both holes, utilizing its elasticity to provide radial force for radial fastening. A limiting ring prevents the elastic cylindrical pin from detaching, and a clearance fit between a limiting groove and a limiting protrusion further restricts its movement and rotation. The staggered arrangement of the grooves creates a reverse clamping force when the elastic cylindrical pin spirals up, forming a multi-limiting mechanism. This invention absorbs impact through an elastic structure, avoiding the rapid failure problem of traditional fixing methods and improving limiting reliability; it also requires fewer parts and has a simpler manufacturing process.

This invention relates to an integrated mandrel and a rotary transmission device with an integrated mandrel, belonging to the field of conductive slip ring technology. It solves the technical problem that the quality of electric slip rings is heavily dependent on the precision of machining and assembly processes, and that the transmission lines on the conductive ring are easily damaged, leading to reduced transmission quality. The integrated mandrel of this invention includes a mandrel base, pads, conductive pins, and transmission lines. Multiple sets of axial outlet holes, pin holes, and pads are evenly distributed circumferentially on one end face of the mandrel base. Multiple V-grooves are evenly distributed axially on the mandrel base, and each V-groove has a radial outlet hole at its bottom. The transmission line is disposed within the mandrel base, with both ends connected to the axial and radial outlet holes. The rotary transmission device with an integrated mandrel of this invention includes an integrated mandrel, a quick-connect body, a brush unit, a fixing frame unit, a mandrel connecting ring, and an external wire-connected connector. The integrated mandrel of this invention has a simple structure and can be flexibly customized; the rotary transmission device has good transmission performance.

This invention discloses a display panel and a display device. The display panel includes a first substrate and a second substrate disposed opposite to each other, a first color resist layer, a second color resist layer, a first spacer, and a second spacer between the two substrates. The material of the first color resist portion of the first unit located on the side of the first substrate closer to the second substrate in the first spacer is the same as the material of one of the first color resist and the second color resist in the first color resist layer. The material of the second color resist portion of the second unit in the second spacer is the same as the material of one of the first color resist, the second color resist, and the third color resist. This invention uses the same material for the first color resist portion and the second color resist portion as for two of the first color resist, the second color resist, and the third color resist. The first spacer and the second spacer are formed at least partially simultaneously with the first color resist layer and / or the second color resist layer, which is beneficial for simplifying the manufacturing process, reducing the manufacturing cost, and facilitating the increase of the spacing between the first substrate and the second substrate.

This invention relates to ceiling fans, and more particularly to an industrial ceiling fan. The industrial ceiling fan blade assembly has a tail fin at its tail end, and one side of the blade body has a streamlined cavity with reinforcing ribs. The blade head is held by upper and lower stress plates, and a blade safety component is located within the cavity. The upper and lower stress plates and the blade safety component are fixed together by a set of through bolts. A spacer is also provided between the upper and lower stress plates, and this spacer is fixed by countersunk screws inserted through the upper stress plate. This invention is an externally clamped insert type, resulting in low equivalent stress levels at various points on the blade; the blade is thin and lightweight, with a small load; the insert structure is composed of sheet metal parts, resulting in lower cost.

The application relates to a kind of surface nano fluorinated scandium lithium layer modification and near surface anion and cation co-doped nickel cobalt manganese ternary positive electrode material and its preparation method, belong to chemical energy storage battery technical field.According to the molar ratio of Li, Sc and F element 3:1:6, lithium salt, scandium salt and fluorine salt are weighed respectively, then ultrasonic is added in ethanol aqueous solution and is fully stirred to obtain mixed salt solution;Nickel cobalt manganese ternary positive electrode material is added to the mixed salt solution, heated and stirred until the suspension is dry, and then dried to obtain a powder;The powder is calcined in oxygen atmosphere to obtain a kind of surface nano fluorinated scandium lithium layer modification and near surface anion and cation co-doped modified nickel cobalt manganese ternary positive electrode material.The synergistic effect of Li3ScF6 surface coating and near surface lattice Sc, F co-doping improves the electrochemical performance and thermal stability of nickel cobalt manganese ternary positive electrode material.

The utility model relates to valve technical field discloses a kind of magnetic locking ball valves, including valve body, valve stem and valve core, valve core is located in valve body, valve body includes the branch pipe in upper end, one end of valve stem is inserted into branch pipe and is connected with valve core, the other end of valve stem is flat shaft and is placed in the outside of branch pipe, further include the magnetic key that can cooperate with flat shaft, magnetic locking assembly is equipped between branch pipe and valve stem, magnetic locking assembly can be switched from locking state to unlocking state under the magnetic repulsion of magnetic key;The upper end of branch pipe is provided with the limiting ring that is fixed with the circumference of branch pipe, the inner circumferential surface of limiting ring is equipped with limiting block, limiting block includes two angle limiting surfaces, flat shaft passes through limiting ring, and the positive and negative rotation of flat shaft can be respectively with two angle limiting surfaces abut. The magnetic locking ball valve, limiting ring is rotated to the valve stem and is positioned, limiting ring as independent component is convenient for processing, and it is easy to install, and limiting ring is not easy to fall off, and it is safe and reliable to use.

This invention belongs to the field of cryogenic refrigeration technology and discloses a sealing structure and sealing method for a cryogenic refrigeration device. A first opening is formed at the bottom of the housing. A heat transfer bus is installed inside the housing, with one end extending out of the first opening and circumferentially sealed to it. A boss is provided inside the housing, with a threaded hole penetrating the housing. A set screw is threaded into the threaded hole, and the gap between the set screw and the threaded hole is filled with sealant. A heat transfer rod is circumferentially sealed to the first opening, and an end cap is circumferentially sealed to a second opening. A saturated solution of magnetic material is injected into the housing through the threaded hole, and crystals grow on the heat transfer wire. After crystal growth is complete, the residual solution inside the housing is emptied through the threaded hole and dried. Sealant is applied to the set screw, and the set screw is screwed into the threaded hole and tightened. This device can effectively withstand huge internal and external pressure differences, is reliable for a long time in cryogenic environments, and is in force balance under the magnetic field of a superconducting magnet. Furthermore, the manufacturing process is simple, the operation is convenient, and it is easy to produce.

A wafer cleaning equipment protection cover bottom disc convenient for drainage comprises a wafer protection cover bottom disc, six bottom disc bolt mounting holes are arranged on the wafer protection cover bottom disc, a positioning pin is arranged on the side of the bottom disc bolt mounting hole at the upper right of the wafer protection cover bottom disc, a welding positioning line is arranged in the middle of the wafer protection cover bottom disc, a waist groove drainage port is arranged in the middle of the two bottom disc bolt mounting holes at the upper left of the wafer protection cover bottom disc, and a flange interface is arranged on the periphery of the waist groove drainage port. The welding positioning line arranged on the protection cover bottom disc replaces the deepened welding notch, the processing process is more convenient, the processing time and cost are saved, and the auxiliary welding function can be achieved. The processing technology is improved, the inclined waist groove drainage port replaces the traditional straight drainage port, the hole of the drainage port does not need to pass through the top of the protection cover, the efficiency of drainage is improved, and the protection cover is more beautiful and integral.

The application discloses a process for improving the performance of a excavator and relates to the technical field of excavators. The process comprises the following steps: step S01, starting the engine and making it run at full throttle after preheating and performing digging, soil throwing, walking and lifting operations, detecting and recording the bucket digging force, bucket rod digging force, lifting force and traction force; and step S02, installing a hydraulic system tester on the high-pressure pipeline of the hydraulic pump of a new excavator by using a bypass method, making the pump run at a rated speed, and observing and recording the flow readings of the front and rear pumps of the tester when the hydraulic oil temperature is 50+ / -5 DEG C. The application is a process technology for adjusting the pressure of each working oil cylinder of the main control valve in the hydraulic system of a new or old excavator and the excellent matching of the pump and the engine, fully improves the fuel utilization rate of the engine and the working efficiency and benefit of the whole machine, saves energy and is economical, and can improve and repair the performance and quality of the new or old excavator, such as the digging, crushing, lifting moment and speed.

This invention provides a radiation shielding mechanism for radiology, belonging to the field of radiology technology. It includes mounting plates installed on both sides of an operating table. A top plate is fixedly connected to the top of each mounting plate, a positioning plate is fixedly connected at the connection point between the mounting plate and the top plate, and a bottom plate is fixedly connected to the bottom of each mounting plate. A fixing plate is fixedly connected at the connection point between the bottom plate and the mounting plate. This invention, by setting up an isolation mechanism, eliminates the need for patients to wear shielding devices before radiotherapy. The isolation mechanism is directly installed on the operating table. After the patient lies on the operating table, the doctor can adjust the isolation mechanism according to the patient's body shape to achieve effective shielding of the patient's testicles. There is minimal risk of gaps between the isolation plate and the patient's skin surface. Even during lateral imaging and 3D scanning, the radiation will not penetrate the shielding mechanism and damage the patient's testicles.

This utility model relates to the field of electronic tag technology and discloses a flexible electronic tag, including a flexible substrate, a conductive circuit layer, a chip mounting area, a protective layer, and an identification information carrying structure. The conductive circuit layer is disposed on top of the flexible substrate and is used to form an electrical connection with the chip. The protective layer covers the outside of the conductive circuit layer. The identification information carrying structure is disposed at one end of the flexible substrate. The flexible substrate is made of PET, PI, or polyolefin materials and has bendability. The conductive circuit layer is disposed on top of the flexible substrate by hot pressing and is made of silver paste or copper paste. In this utility model, by setting the conductive circuit layer and the chip mounting area on the flexible substrate, the chip and circuit are integrated and packaged, resulting in a compact structure and strong adaptability. The flexible substrate is made of materials such as PET and PI, which have good flexibility; the conductive circuit is hot-pressed to improve durability; and the protective layer enhances environmental adaptability and extends service life.

The utility model provides a kind of for cam grinding's liquid expansion tool, it is related to tool fixture technical field, including tool main part;Tool main part end is equipped with liquid expansion mandrel, liquid expansion mandrel is fixed with liquid expansion core column in, liquid expansion mandrel outer wall and liquid expansion core column inner wall form liquid expansion cavity between;Liquid expansion mandrel axial is further equipped with liquid guide channel, and liquid guide channel is communicated with liquid expansion cavity;Tool main part is equipped with the oil injection hole channel being communicated with liquid guide channel in, oil injection hole channel end portion has extrusion screw hole, and extrusion screw hole is equipped with tight extrusion screw.The utility model has the beneficial effect that: the inner hole of cam to be processed can be sleeved on liquid expansion mandrel, liquid expansion mandrel can be expanded radially by the way of tightening tight extrusion screw under the pressure of oil in liquid expansion cavity, to fix clamping cam to be processed, this clamping mode can be self-adapting actual size of cam inner hole to be processed, ensure the symmetry of cam profile in grinding process, significantly improve cam processing precision.

The hydraulic plugboard machine guide column laying-down auxiliary device comprises an inclined bearing section and a horizontal fixed section, the inclined bearing section is arranged in an inclined manner at the top, the horizontal fixed section is arranged horizontally at the bottom, the inclined bearing section and the horizontal fixed section are connected through a reinforcing inclined support section and form a tripod body, and the width of the tripod body matches the width of the track of the hydraulic plugboard machine. The hydraulic plugboard machine guide column laying-down auxiliary device can ensure that the laying-down process of the guide column is stable and safe.