232results about How to "Simple adjustment structure" patented technology

The invention relates to a multifunctional road detection device and a test method for tires. Two suspension systems and two tire steering mechanisms of the multifunctional road detection device are arranged on a frame and are respectively independently connected with the tested tires on two sides of the multifunctional road detection device, so that the tires can be independently steered and can be adjusted in internally gathered or externally scattered states, and lateral inclination angles of the tires can be adjusted. The multifunctional road detection device and the test method have the advantages that data of rotation angles, lateral force, longitudinal acceleration, lateral acceleration and the like of the tires can be acquired by various relevant sensors during driving, so that mechanical properties of the tires under on-site road conditions can be detected; the problem of difficulty in simulating actual service road surfaces by existing indoor detection devices for tires and problems of unbalanced force under lateral deviation and lateral rolling working conditions and single detection working conditions of existing outdoor detection devices for the tires can be solved; the multifunctional road detection device is simple in structure and easy to control and adjust.

The invention discloses a preparation method for a large-diameter and super-long nano carbon tube. According to the preparation method, a carbohydrate is used as a raw material, and is uniformly mixed with an artificial template physically in the presence of a transition metal salt, the mixture is subjected to heat preservation for 0.5-2 hours at the temperature of 400-650 DEG C under an inert atmosphere, and then the temperature is increased to 700-1200 DEG C for calcination for 0.5-2 hours to obtain the large-diameter and super-long nano carbon tube; the artificial template is melamine, dicyandiamide, urea or single cyanide. The method is simple in process, small in equipment investment, small in batch difference, and suitable for large-scale production; the inner diameter of the prepared nano carbon tube is 50-100 nm, the length is micron-sized, the tube wall is formed by stacking graphene sheet layers, and the tube has a higher specific surface area.

The invention discloses a method for preparing a solar cell silver wire grid electrode based on a photolithographic mask method and a liquid phase method. The method disclosed by the invention comprises the following steps: (1) a photoresist template is manufactured: photoresist is uniformly coated on the surface of a silicon substrate by using a spin-coating method, and designed specific graphics on a mask are copied on the silicon substrate through the steps of exposure, development, hardening and the like; (2) Ag particles are deposited by using a chemical method: an electrochemical reaction method is used for depositing the Ag particles on the photoresist template; (3) the photoresist template is removed: the photoresist is removed by using a photoresist remover; and (4) the annealing and sintering are carried out, and after the closely arrayed Ag particles are heated at high temperature, the Ag electrode is formed by mutual communication. The micron-level Ag electrode prepared according to the method has excellent electroconductive performance and a lower reflecting rate, moreover, the preparation process is simple, resource consumption is less, the Ag electrode can well replace a silk screen printed electrode, the efficiency of a solar cell can be improved, and the cost can be lowered.

A preparing method of N,S-codoped graphene/MoSe2/CoFe-LDH aerogel is provided. The method is characterized by including S1) separately preparing a graphene oxide sheet dispersion, a MoSe2 nanosheet dispersion and a layered CoFe-LDH nanosheet dispersion; S2) mixing the graphene oxide sheet dispersion and the MoSe2 nanosheet dispersion, adding a reductant and a crosslinking agent, fully mixing the mixture, reacting the mixture to obtain N,S-codoped graphene/MoSe2 hydrogel, freeze-drying the hydrogel to obtain N,S-codoped graphene/MoSe2 aerogel; and S3) soaking the N,S-codoped graphene/MoSe2 aerogel in the layered CoFe-LDH nanosheet dispersion to obtain N,S-codoped graphene/MoSe2/CoFe-LDH hydrogel, and freeze-drying the hydrogel to obtain the N,S-codoped graphene/MoSe2/CoFe-LDH aerogel. The prepared ternary N,S-codoped graphene/MoSe2/CoFe-LDH aerogel has more excellent hydrogen evolution and oxygen evolution properties under alkaline conditions.

The invention provides lower limb rehabilitation equipment loaded on a wheelchair. The lower limb rehabilitation equipment loaded on the wheelchair comprises a chair back mechanism, a chair seat mechanism, a lower limb mechanism, an armrest mechanism and a lifting movement mechanism. According to the chair seat mechanism, a motor pushes an S-shaped support frame, and inclined states of a chair back are optimally switched in an angle range of 90 degrees from a vertical state to a horizontal state by a crank block; the chair seat mechanism is a bearing component of the whole rehabilitation equipment, and is also a mounting base frame of a power device of the equipment; a hip joint, knee joints and ankle joints of the lower limb mechanism cooperatively implement motions of tracks such as a straight line, an arc and a gait under the driving effect of multiple motors; according to the armrest mechanism, a clamping and locking mechanism controls a rectangular folding guard bar consisting ofan armrest supporting rod and an armrest surface rod piece; and by the lifting movement mechanism, the rehabilitation wheelchair has a lifting function and a movement function. The lower limb rehabilitation equipment loaded on the wheelchair is designed according to rehabilitation demands of a rehabilitation patient in different periods, unglamorous rehabilitation training of the patient is fusedinto daily life, the autonomous living capacity of the patient is improved, and scientific and effective rehabilitation training is implemented.

The invention discloses a preparation method of a phosphorus-doped cobalt telluride nano material, which comprises the following steps: preparing cobalt hydroxide by using cobalt nitrate and urea as raw materials through a hydrothermal method, calcining to obtain Co3O4 nanosheets, grinding and mixing the Co3O4 nanosheets and tellurium powder, and calcining in an Ar atmosphere to obtain CoTe2 nanosheets; and finally, grinding and mixing the CoTe2 nanosheets and sodium hypophosphite, and calcining in Ar gas to obtain the phosphorus-doped CoTe2 nanoparticle material. According to the invention, phosphorus is doped, so electron cloud density of surrounding CoTe2 is changed, and favorable synergistic effect is generated to improve HER activity; the prepared P-CoTe2 nano-particle is of a porousstructure, is high in specific surface area and high in electrical conductivity, has stable and efficient catalytic hydrogen evolution performance in acidic and alkaline environments, and can be usedas an electrocatalyst for hydrogen evolution reaction by hydrolysis.

The invention discloses a preparation method for a high-haze composite transparent conductive electrode. The method comprises the following steps that (1) a cracking liquid is prepared; (2) a cracking template is prepared; (3) a metal film is deposited; (4) a cracking template is removed; (5) a metal oxide is deposited; (6) an etching liquid is prepared; and (7) a composite film is etched to obtain the high-haze composite transparent conductive electrode. The electrode prepared by the method is higher in the haze, can effectively scatter incident light, greatly enhances light absorption of a film cell semiconductor layer, increases the short-circuit light current density, and finally improves the photoelectric conversion efficiency of a solar cell; and in addition, the composite electrode also has the advantages including low surface resistance, higher light transmittance and high environmental stability.

The invention discloses a preparation method of a porous carbon material based on an ionic heat process. The preparation method comprises the following steps: (1) adding a biological material into ionic liquid to form a mixed solution, wherein the ionic liquid consists of anions and cations, and the cations are one of formulas (I) to (IV); and (2) heating the solution to 140 to 260 DEG C, preserving heat for 10 to 48 hours, cooling and performing aftertreatment to obtain the porous carbon material. According to the preparation method of the porous carbon material based on the ionic heat process, the preparation process is simple, energy consumption is low, any severe conditions are not needed, products are easy to purify, the product structure is easy to adjust, and a great potential application value is achieved.

The invention relates to a machine vision based fabric pattern adjustment device. A pair of adjustment bowed rolls and more than two adjustment diagonal rolls are arranged between a front cloth guide roller and a rear cloth guide roller on a rack; one end of each adjustment bowed roll is installed on the rack and the other end is connected with a bowed roll motor of a bowed adjustment mechanism; the adjustment diagonal rolls are installed on a bracket on a diagonal roll adjustment mechanism; one end of the bracket is articulated to the rack and the other end is connected with the diagonal roll motor by screw nuts and screw rods; an industrial camera and a light source bracket are installed on the front cloth guide roller or/and the rear cloth guide roller; a light base is installed on the light source bracket; a linear light source is installed on the light base; the output end of an encoder installed on a transmission rod which is synchronous with fabric is connected with the input end of the industrial camera; the input end of a central processing unit is connected with the output end of the industrial camera; and the output end of the central processing unit is connected with the bowed roll motor and a diagonal roll motor. The invention can automatically adjust the inclining and bending of a pattern and achieves the effect of automatic pattern adjustment.

The invention discloses a safety seat with an adjustable headrest. The safety seat with the adjustable headrest comprises a chair back, the headrest and a headrest adjusting structure, wherein the headrest can be arranged on the chair back in a sliding manner, and the headrest adjusting structure is used for locking or unlocking the movement of the headrest; the headrest adjusting structure comprises a gear rail, a gear unit, an elastic element and an unlocking piece, wherein the gear rail is arranged on the chair back; a plurality of gear grooves are formed in the vertical direction of the gear rail; the gear unit is arranged on the headrest in a movable manner so that the gear unit is opposite to each gear groove in sequence when the headrest moves up and down along the chair back; whenthe gear unit is opposite to one gear groove, the gear unit is suitable for moving into or far away from the gear groove so as to lock or unlock the headrest; the elastic element is arranged between the gear unit and the headrest and is suitable for continuously applying an acting force to the gear unit to make the gear unit move into the gear groove; and the unlocking piece is suitable for generating elastic deformation under an effect of outside force and applying the outside force to the gear unit during deformation to overcome the acting force of the elastic element so as to unlock the headrest. The headrest adjusting structure provided by the invention can be operated by a single hand so that the headrest is conveniently and rapidly adjusted.

The invention provides a filter and its flying rod fastening structure. The filter includes a cavity and a cover plate. The cover plate covers the cavity to form a resonant cavity. The cavity is provided with ribs. The filter also includes a flying rod. A rod fastening structure, the flying rods of the flying rod fastening structure are installed on the ribs of the cavity. The fly rod fastening structure includes a fly rod seat and a fly rod. The lower end of the fly rod seat has an open slot extending along the length direction of the fly rod seat. The diameter of the positioning hole is larger than the width of the opening slit. At least one coupling hole is opened on the upper end of the fly rod seat, and the diameter of the coupling hole is larger than that of the coupling adjusting screw rod. The present invention performs rough adjustment of the coupling strength of the flying rod through the above-mentioned positioning hole, and then provides space for the fine adjustment of the coupling strength of the flying rod through the above-mentioned coupling hole, which is beneficial to the coupling of the flying rod after the installation of the flying rod or even after the cavity is installed. The strength is adjusted to a certain extent to compensate for the dimensional deviation of the fly rod due to assembly and manufacturing errors. The adjustment structure is simple, low in cost, convenient for assembly and debugging, can greatly reduce the probability of repair due to improper coupling of the fly rod, and improve the production pass rate.

The invention relates to an effective veering cleaning machine, which comprises a body, a feeding device and an ultrasonic generating device. The feeding device comprises a rail. The ultrasonic generating device comprises a vibration plate. The upper surface of the rail and the upper plane of the ultrasonic vibration plate are coplanar and connected in sequence. The rail and one end of the vibration plate are provided with a regulating pressure plate and a regulating rail. The feed end of the rail is provided with a material-pushing device. The material-pushing device comprises a cylinder, a fixed material-pushing plate and an adjustable material-pushing plate. The fixed material-pushing plate has flexible connection with the adjustable material-pushing plate. The invention can clean various bearings or the parts of bearing and has high efficiency and good cleaning effect.

The invention discloses a fret saw cutting device which comprises a fret saw frame and a locating clamp. Fret saws are arranged on the fret saw frame side by side, the fret saw frame can be driven by a fret saw frame driving mechanism to drive the fret saws to reciprocate linearly, and the locating clamp is driven by a clamp driving mechanism to move on the horizontal plane. The fret saw cutting device can be used for cutting multi-dimensional products in large scale, and the producing efficiency is greatly improved. When being arranged in the oxygen controlling equipment, the fret saw cutting device can be applied to near-net processing of green compact of special materials especially rare-earth permanent magnetic materials and can prevent the materials from being oxidized in processing.

The invention discloses a method for preparing a titanium alloy bionic coating through compounding of laser and anodic oxidation. The method comprises the following steps: placing titanium alloy subjected to laser pretreatment in absolute ethyl alcohol or acetone for ultrasonic cleaning for 5-10 min; taking out and thoroughly rinsing the titanium alloy with distilled water; placing the rinsed titanium alloy in an alkaline degreasing solution for soaking, and then taking out the soaked titanium alloy; sequentially washing the soaked titanium alloy with running hot water and running cold water; placing the washed titanium alloy in an anodic oxidation solution; and by taking stainless steel as the cathode, performing anodic oxidation treatment for 60-90 min to obtain the titanium alloy with a bionic coating. Compared with a traditional anodic oxidation method, the method provided by the invention has the advantages that before anodic oxidation, pollution-free laser is adopted to pre-process the surface of the titanium alloy, so that the surface microstructure of the titanium alloy can be adjusted more easily; besides, the anodic oxidation adopts the main ingredient of malic acid while such strong-acidity substances as hydrofluoric acid, sulfuric acid and nitric acid are not used in the whole process, high safety and no toxicity are achieved, and pollution to the environment and harms to a human body are reduced to the minimum; the bioactivity, the wear resistance and the corrosion resistance of the material are greatly improved, and the service life of an implant is prolonged.

The invention relates to a bearing clearance detector comprising a substrate, an axial clearance detection meter, a mandrel and a bearing fixing tool, wherein a meter head of the axial clearance detection meter is in an abutting fit relation with an axial end of the mandrel, the bearing fixing tool comprises a support seat fixed on the substrate, a clamping mechanism used for firmly fixing an outer ring of a bearing to be detected is arranged on the support seat, a top part of the support seat is provided with a V-shaped groove, the clamping mechanism comprises a first clamping block and a second clamping block that are arranged along a length direction of the V-shaped groove at an interval, a clamping cavity used for axially clamping the outer ring of the bearing to be detected is formed in the interval between the first clamping block and the second clamping block, the V-shaped groove is at least partially positioned in the clamping cavity and forms a V-shaped positioning groove body, and each of top parts of the first clamping block and the second clamping block is provided with a V-shaped opening; an angle clearance detection meter is correspondingly matched on the other end of the mandrel of which one end is matched with the axial clearance detection meter, and a meter head of the angle clearance detection meter is in the abutting fit relation with a circumferential surface of the mandrel. The bearing clearance detector is reasonable in structure design, and the bearing to be detected is convenient to install, clamp and dismount.

The invention discloses a medium concentration hydraulic double disc stuff grinder, comprising a hydraulic adjusting unit and a medium concentration double disc stuff grinder body. The hydraulic adjusting unit consists of a hydraulic cylinder, an electromagnetic direction valve, a pressure retaining valve, a hydraulic pump, an oil pump motor and an oil tank connected orderly by pipelines. The oil tank is further connected with a cooler, a pressure adjusting valve and a pipeline of a pressure gauge; the medium concentration double disc stuff grinder body consists of a double shell and a shell cover, a coupler, a motor, a bearing body suspension and a bearing body, a shaft, a left fixed disc base and left and right fixed discs, left and right rotary discs and a rotary disc base. The hydraulic cylinder is fixed on the shell cover. One end of the piston rod is fixed on the left fixed disc base while the other end is provided with a mechanism limiting fine-adjusting nut. The left fixed disc is fixed on the left fixed disc base and the right fixed disc is fixed on the shell. The left and right rotary discs are fixed respectively at both sides of the rotary disc base. Tangential stock inlets are arranged on the left fixed disc base and the shell. The shell is provided with a stock outlet. The invention adjusts the definitely proportional pressure of the millstone which feeds and discharges through the pressure retaining valve to pulp in medium concentration, thereby improving the pulping quality and efficiency thereof.

The invention discloses a crutch for medical use, which comprises a crutch body, a bracket and a telescopic rod. The crutch body is provided with a bracket. A telescopic rod is welded at the bottom of the bottom, and the side part of the second fixed sliding sleeve is rotationally connected with the supporting leg through a rotating shaft. In the present invention, the second fixed sliding sleeve is slidably sleeved on the thin rod of the telescopic rod, and the sides of the second fixed sliding sleeve are respectively connected with three supporting legs through rotating shafts. By unfolding and placing the three supporting legs, it can effectively improve the The support and stability of crutches, in the early stage of recovery, the support legs can be extended to improve the stability of the crutches and prevent the patient from causing secondary injuries. After a period of recovery, in order to increase the difficulty of training, the support legs can be retracted. In order to improve the stress of the injured leg, so as to achieve an efficient physical therapy effect.

The invention relates to a full-automatic winding facility. The following technical scheme is provided. The full-automatic winding facility comprises a machine frame, a feeding device, a cutting device, a winding device, a paper tube core conveying device, a labelling device and a finished product output device. The feeding device, the cutting device, the winding device, the paper tube core conveying device, the labelling device and the finished product output device are arranged on the machine frame. The winding device comprises a rotating disc. The rotating disc can rotate in the circumferential direction. Multiple winding air expansion shafts which can run along with the rotating disc are arranged on the rotating disc. The cutting device comprises an upper cutter mechanism, a lower cutter mechanism and a paper press mechanism. The lower cutter mechanism and the upper cutter mechanism are correspondingly arranged, and the paper press mechanism is located on the upper cutter mechanism. A winding auxiliary clamping device is arranged between the winding device and the cutting device. Adjusting wallboards which are symmetrically arranged in pairs, are erected on the machine frame and enable the upper cutter mechanism to be integrated are arranged on the upper cutter mechanism. By the adoption of the technical scheme, the full-automatic winding facility which can adjust the cutting distance according to winding drums with different thicknesses, prevents the winding air expansion shafts against bending deformation in the machining process, is stable in clamping and supportingmovement and improves the winding efficiency is provided.

A manual wind sweeping adjusting device comprises a bottom shell (10); a clamping plate (20) connected with the bottom shell (10); a plurality of wind sweeping blades (30) arranged on the clamping plate (20); a connecting rod (40) connected with a plurality of wind sweeping blades (30); a clamping head (41) arranged at one end of the connecting rod (40); a guide groove (50) arranged on the bottom shell (10), with the clamping head (41) sliding in the guide groove. An air conditioner comprising the described manual wind sweeping adjusting device is also provided.

The invention discloses a heterogeneous catalyst for a selective hydrogenation reaction of an alkyne compound and an application thereof. The heterogeneous catalyst comprises, by weight, 1 to 10% of noble metal particles, 9 to 90% of a titanic oxide and 9 to 90% of porous carbon. Compared with the common commercial activated carbon supported Pd catalyst or titanium dioxide supported Pd catalyst, the heterogeneous catalyst has obvious synergistic effects in catalysis of a selective hydrogenation reaction for preparing an alkyne compound. The porous carbon can promote the diffusion of the substrate, further adjust and control the interaction between the noble metal particles and titanium oxide, realize charging of noble metal particles and improve the alkyne compound hydrogenation catalyticactivity and selectivity. The heterogeneous catalyst has styrene selectivity of greater than 95% and a phenylacetylene conversion rate of 100% in catalysis of a selective hydrogenation reaction for preparing an alkyne compound.

The invention discloses a W/O/W multiphase emulsion and a method for preparing hierarchical pore SiO2 microspheres using the W/O/W multiphase emulsion as a formwork. The multiphase emulsion uses micromolecular compounds as a stabilizing agent, uses a silylating reagent as an oil phase, and uses a hydrochloric acid aqueous solution of which the pH is 2-5 as an aqueous phase; the W/O/W multiphase emulsion is prepared by a one-step method, and the prepared emulsion is uniform in the distribution of liquid drops. According to the preparation method disclosed by the invention, the W/O/W multiphase emulsion is used as a formwork, the hierarchical pore SiO2 microspheres are prepared by a reaction under ammonia atmosphere, the operation is simple and easy, the cost is low, and the method is environmental-friendly; the prepared SiO2 microspheres have rich multistage pore canal structures, and the pore canal structures are regular, and good in permeability; besides, the SiO2 microspheres have large specific surface areas and high heat stability, the hydrophilic-hydrophobic property is adjustable, the carried functional groups are adjustable, and the SiO2 microspheres can be applied in the varied fields of adsorption, separation, catalysis, medicines and the like.