178results about How to "No disengagement" patented technology

The invention provides a traverse control technology, capable of preventing the deviation and broken line of a wire rod in advance with the bigger change of the wire rod reeling spacing. A traverse device (1), reels the wire rod (3) of a reel (4) for a linear saw (2) on a traverse roller (5) and a tension roller (14), when the traverse roller (5) is the reciprocating motion along the axial direction of the reel (4), the target position of the wire rod (3) is in the right-angle direction relative to the axial direction of the reel (4) between the reel (4) and the traverse roller (5), the reference force (F1) of the wire rod (3) is detected at the tensioning roller (14), the variation force (F2) based on the displacement of the wire rod (3) deviated from the target position is detected at the traverse roller (5), based on the variation of the difference (delta F) of the reference force (F1) and the variation force (F2), the reciprocating speed (V) of the traverse roller (5) is controlled.

The invention discloses hydraulic artificial muscle comprising a closed end connector, an elastic rubber tube, a high-strength fiber woven mesh, a water end connector, two end fastener rings, two middle fastener rings and two inverted-taper-tooth-surface fastener rings. When the hydraulic artificial muscle operates, the elastic rubber tube and the high-strength fiber woven mesh deform under the hydraulic action, the diameter of the hydraulic artificial muscle increases with the increased length, and a drive object connected to a threaded blond hole of the closed end connector is pulled. The elastic rubber tube closes water of certain pressure inside. The high-strength fiber woven mesh is in a tubular shape tightly woven with high-strength fibers and covers the outside of the elastic rubber tube, and accordingly the hydraulic artificial muscle can bear sufficient inner hydraulic pressure. Under the fastening action of the fastener rings and the structural action of the inverted-taper-tooth-surface and the shoulders, the hydraulic artificial muscle can bear large pull load, thus the high-strength hydraulic artificial is formed.

The invention relates to a safe scalpel with an assembled steel handle, comprising a guarded scalpel assembly and the steel handle, wherein the guarded scalpel assembly comprises a scalpel blade, a scalpel loading body, a scalpel sleeve and a safety latch, the scalpel blade is fixed in the front of the scalpel loading body, the scalpel sleeve is sleeved on the scalpel loading body in a sliding mode, and the safety latch is connected to the scalpel loading body in a sliding mode. Before the scalpel is used, the guarded scalpel assembly is firstly inserted into the steel handle and is connectedwith a tache by an inserting structure, then, a button arranged on the scalpel sleeve is pressed by a thumb to pull the scalpel sleeve from a first valve to the end backwards and is locked to a secondvalve, the safety latch is driven by the scalpel sleeve and inserted into a groove of the steel handle, so a tache connecting structure is in a protection state and can not be separated, and the scalpel blade can be exposed to use at the moment. In order to prevent the damage of medical personnel by the scalpel blade in an operation process, the scalpel sleeve is pushed to the first valve by pressing the button. After safe scalpel with the assembled steel handle is used, the scalpel sleeve is pushed to a death valve forwards by pressing the button, the safety latch retreats from the groove inorder to relieve protection simultaneously, and the guarded scalpel body assembly can be disassembled by pressing the button on the steel handle. Because the guarded scalpel assembly can not be usedagain after being self-locked, the safe scalpel with the assembled steel handle thoroughly eliminates the potential safety hazards of the prior scalpel with a steel handle.

The invention relates to a chemical deposition preparation method of a piezoelectric composite metal electrode. The chemical deposition preparation method particularly aims at a PZT ceramic and polymer coexisting composite material and comprises the following preparation steps: preparing a piezoelectric composite, cleaning, removing oil, wetting, carrying out primary coarsening, reducing, carrying out secondary coarsening, activating a colloid target, peptizing, carrying out chemical plating and passivating. According to the chemical deposition preparation method, a metal coating chemically deposited on the surface of the piezoelectric composite has a bright surface, is fine in crystallization, can uniformly cover the surfaces of ceramics and polymers and has good binding force with the ceramics and polymers. An adopted medium and low temperature technology is capable of ensuring that the piezoelectric composite metal electrode is free of deformation and material separation. The chemical deposition preparation method does not need expensive equipment and is low in cost and suitable for large scale production.

The invention belongs to the technical field of vehicle exhaust purification, and specifically relates to a method for applying soldering fluxes to metal corrugated ribbons and a device for implementing the method, wherein the metal corrugated ribbons to which the soldering fluxes are applied are preferably used for manufacturing metal honeycomb carriers for vehicle exhaust purifiers. The device for applying soldering fluxes to metal corrugated ribbons comprises a feeding device of metal corrugated ribbons, a soldering flux application unit for positioning the metal corrugated ribbons so as to carry out soldering flux application, and a gas cooling device or a heated-air drying device for solidifying the soldering fluxes. The method for applying soldering fluxes to metal corrugated ribbons is implemented mainly through the following step: applying soldering flux powder or a mixture consisting of the soldering flux powder and a binding agent to the metal corrugated ribbons by using the soldering flux application unit so as to form soldering fluxes solidified on or adhered to the wave crests or troughs of the metal corrugated ribbons. By using the method and device provided by the invention, the defects in the prior art, that the soldering fluxes are easy to fall off in the process of soldering flux application and the application strength of the prepared product is not enough, are overcome.

Disclosed are tread rubber materials for making meridian aircraft tire belt layer cord threads with aramid fiber threads. The rubber materials are prepared according to a certain ratio with 1# smoke sheet rubber as main rubber materials and butadiene styrene rubber, resorcinol bonding resin, formaldehyde bonding resin, a bonding promoter AIR-201 special for the aramid fiber threads, a bonding promoter AIR-1, highly-abrasion-resistant carbon black, precipitated silica, a novel silane coupling agent, insoluble sulfur and a sulfenamide accelerator as main auxiliary materials. The rubber materials have the performance advantages that the bonding strength of the rubber materials and the aramid fiber threads is high, and the bonding retention rate after thermal ageing is high and have the performance characteristics of being high in tensile strength and tearing strength, low in compression fatigue heat generation and high in definite elongation stress. The rubber materials are used as aircraft meridian tire belt layer tread rubber, thus under the high-load and high-speed severe usage conditions, the quality problems of rubber thread loosening or delaminating of layers do not occur to the belt layer position of the aircraft tire, the rubber threads are bonded firmly, and the tire is safe to use.

The invention relates to a self-adaptive drive device of a trackless sliding door and a door with the device. The self-adaptive drive device comprises a base; a motor; a drive shaft, wherein one end of the drive shaft is synchronously connected with a motor rotating shaft in a chain drive, belt drive or engagement manner, and the other end of the drive shaft is synchronously connected with a driven gear; a movable frame, wherein the movable frame has a degree of freedom of movement relative to the base in a plane perpendicular to the rotating axis of the drive shaft, and a guide part above the driven gear is arranged on the movable frame; a gear rack, wherein the gear rack is arranged between the driven gear and the guide part, teeth on the lower surface of the gear rack are engaged with the driven gear and the upper surface of the gear rack is in sliding, rolling or engagement fit with the guide part; a guide mechanism. The self-adaptive drive device of the trackless sliding door and the door with the device have the advantages that the door body can be enabled to automatically adapt to low or uneven parts of the ground and the phenomenon that the drive device is separated or gets stuck during transverse movement of the door body is avoided.

The invention discloses a magnetoelectricity type micro generator which comprises a micro generator body and a power source. The micro generator body is a disc type permanent magnet micro generator. The power source is a wind turbine. The magnetoelectricity type micro generator obtains energy by the fact that the turbine converts wind energy, rotating mechanical energy is converted to electricity energy through the disc type permanent magnet micro generator, and the magnetoelectricity type micro generator is a high-power-energy-density micro energy device. A magnet in a rotor is an integral type axial multipole annular magnet machined with axial multipole magnetizing technology, the magnet and a magnet yoke are fixedly combined into a whole, and meanwhile a single-phase concentric type winding plane coil is used as a stator, and the coil is arranged in a floating mode. The magnetoelectricity type micro generator has the advantages of being simple in structure, small in size, large in power density, good in output voltage waveform (sine wave) and low in starting wind speed.

The invention relates to a horizontal movement type continuous electrolytic method of lead in a regenerative lead-containing material and the method uses the lead-containing paste in waste lead acid storage batteries and the lead-containing paste generated in the production process of the lead acid storage batteries as raw material to perform electrolytic regeneration. In the electrolytic process, alkaline electrolyte is used, a cathode and an anode are arranged in a horizontal manner, the lead-containing paste to be treated is filled in a cathode disk to perform continuous horizontal movements; and the lead-containing paste is reduced to obtain lead and realize the continuous electrolytic regeneration of lead. The invention also provides a horizontal movement type continuous electrolytic device of lead in the regenerative lead-containing material. By adopting the method and device of the invention, the continuous production can be realized, the gas lock effect can be avoided or greatly reduced, the current distribution of the cathode and the anode can be improved, the cell voltage can be improved and the production efficiency can be effectively increased.

The invention discloses an implantable bionic flexible pulsatile pump driven by an ultrasonic motor. The pump comprises the ultrasonic motor, a groove cam, a roller follower, a slide block, an arc push plate, an elastic blood bag, a pump housing, a round separating plate and a linear guideway. According to The implantable bionic flexible pulsatile pump driven by the ultrasonic motor, the damage of blood pump to blood can be reduced effectively, the mounting location of the implantable bionic flexible pulsatile pump is not limited; the whole structure is compact, so that the volume of the pulsatile pump can be reduced effectively; and the implantability is added, so that the range of application suitable for the crowd is expanded.

The invention discloses a voice coil diaphragm integrated structure and a manufacturing method thereof. The voice coil diaphragm integrated structure comprises a main body and a spherical top, wherein the main body comprises an annular diaphragm part and a tubular voice coil part; and the spherical top is fixed on the outer surface of the annular diaphragm part and covers the outer end opening of the tubular voice coil part. The inner annular edge of the inner surface of the annular diaphragm part integratedly extends inwardly to form the tubular voice coil, a first leading line formed and etched on the outer surface of the annular diaphragm part is matched, a second leading line is formed and etched on the inner surface of the annular diaphragm part, a first voice coil line is etched and formed on the inner surface of the tubular voice coil part, and a second voice coil line is etched and formed on the outer surface of the tubular voice coil part. A traditional split assembly mode is replaced, the voice coil and the diaphragm are firmly combined together, a break-off phenomenon does not happen, the quality of the product can be effectively ensured, the assembly difficulty of the product is greatly reduced, and the production efficiency of the product is improved.

The invention relates to zirconia coating on the aluminum alloy surface and a preparation method thereof, which belongs to the technical field of coating materials. The invention adopts a plasma electrolytic oxidation method to control the components of electrolytic solution comprising 1-100g/L of zirconia or zirconium hydroxide and 1-5g/L of soluble hydroxides. The prepared zirconia coating consists of tetragonal zirconia, monocline zirconia and gamma type alumina. The host crystalline phase is the tetragonal zirconia; and the thickness of the coating is 20 to 300 micrometers. The coating is suitable for processing the surface of a part with a more complex construction, and has high strength of bonding with a substrate and high hardness reaching 1,700 to 1,800HV.

The invention discloses a temperature-resistant laminated steel pre-coating film adhesive and a preparation method thereof. The adhesive is formed by mixing a main agent and a curing agent in a mass ratio of (40-60) to1, wherein the main agent is an ethyl acetate solution containing polyester resin, epoxy resin, amino resin and a silane coupling agent; the rotary viscosity of the main agent at the temperature of 25 DEG C is 200-400mPa s, and the solid content is 25-35%; the hydroxyl value of the polyester resin contained in the main agent is 6-11mg KOH/g, and the softening point is 90-110 DEG C; the curing agent is an ethyl acetate solution containing an isocyanate prepolymer, the rotary viscosity of the curing agent at the temperature of 25 DEG C is 1000-3000mPa s, and the solid content is 73-77%. The wound pre-coating film avoids after-tack, a laminated steel product adopting the pre-coating film achieves the effect of no edge warping in case of cup drawing for 9mm, does not delaminate after 10J impact, resists salt fog so as not to bubble after 240h, particularly does not delaminate even if being boiled in water for 1h after the impact, and resists the temperature of 120 DEG C for 10min after the impact so as not to delaminate. The application requirements of laminated steel are met.

The invention relates to an integrated cooker and discloses a novel integrated cooker. The novel integrated cooker is used for solving the problems that cooking benches are easily inclined and collapsed due to oil stains on the ground and cookware is not clamped stably for owners of small houses or apartments narrow and small in space. The novel integrated cooker comprises a cooking bench, a table board, a gas stove assembly located on the table board, a range hood, a smoke baffle used for being connected to the range hood and the table board and a bracket assembly used for supporting the cooking bench. The bracket assembly comprises vertical supporting rods located on the four corners of the cooking bench and bracket supporting legs located on the bottoms of the vertical supporting rods, and the bracket supporting legs comprise trapezoid contact parts and cylindrical connection parts located on the trapezoid contact parts. According to the invention, the unique trapezoid contact parts are adopted for the bracket supporting legs, and the rigid demands of the owners of the small houses or the apartments can be met better.

The invention relates to a steel-concrete combined beam plate structure for a small bridge culvert, and belongs to the technical field of bridge engineering. The structure solves the problems that the connection of the existing bridge beam is complex and the sliding is easy to generate between concrete and a steel bridge faceplate. The structure adopts the technical schemes: the structure comprises a connecting seat, and a steel-concrete combined bridge culvert faceplate of which both ends are arranged above the connecting seat, wherein the structure of the steel-concrete combined bridge culvert faceplate comprises a steel bridge faceplate, more than two sets of U-shaped ribs which are arranged below the steel bridge faceplate in parallel along the axial direction; grooves matched with the U-shaped ribs are formed in the connecting seat. The structure has the beneficial effects that the steel-concrete combined bridge culvert faceplate is adopted, the grooves matched with the U-shaped ribs are formed in the connecting seat, so that the structure is simple, the weight is light, the mounting is convenient, and the mechanical property is good; the phenomenon of sliding or disengagement between the concrete and the steel bridge faceplate of a grid structure formed by steel nets and the steel bridge faceplate cannot be generated, so that the structure is particularly suitable for small bridge beams; anchoring holes which are connected with a bridge abutment or a cover beam are formed in the connecting seat, so that the positioning and the connection are convenient and fast, and the bridge culvert faceplate can be prevented from sliding to the ground.

The invention relates to low-emissivity glass which belongs to the field of energy-saving technology and has a single silver coating structure. The low-emissivity glass only uses one dielectric layer. In the basic structure, the low-emissivity glass orderly comprises a glass substrate 10, a silver coating 11 and a dielectric layer 12, wherein the dielectric layer comprises 1-10 sublayers, and the sublayers comprise a silicon film, a silicon alloy film, a silicon-oxygen film, a silicon-nitrogen film, a silicon-oxygen-nitrogen film, a silicon alloy-oxygen film, a silicon alloy-nitrogen film, a silicon alloy-oxygen-nitrogen film, a transition metal-nitrogen film and the like. The low-emissivity glass of the invention has the advantages of stable performance, high reliability and high production efficiency, can greatly reduce the cost, and is beneficial to large-scale popularization and application.

The invention provides a guiding and guarding clamping device and a rolling machine. The guiding and guarding clamping device comprises a framework, an adjusting mechanism comprising two screws and a guiding and guarding mechanism comprising an upper guiding and guarding box and a lower guiding and guarding box, wherein the framework comprises an upper cross beam and a lower cross beam which are opposite, a first side wall and a second side wall which are opposite, a first front pressing plate and a first rear pressing plate which are vertically connected to the first side wall, and a second front pressing plate and a second rear pressing plate which are vertically connected to the second side wall; a first sliding groove is defined by the first side wall, the first front pressing plate and the first rear pressing plate, and a second sliding groove is defined by the second side wall, the second front pressing plate and the second rear pressing plate; first and second external threads are separately arranged at the upper and lower parts of each screw; the two ends of the upper guiding and guarding box are separately arranged in a manner capable of sliding in the first sliding groove and the second sliding groove and are in surface contact with the first sliding groove and the second sliding groove; the two ends of the lower guiding and guarding box are separately arranged in a manner capable of sliding in the first sliding groove and the second sliding groove and are in surface contact with the first sliding groove and the second sliding groove; and the screws rotate and drive the upper and lower guiding and guarding boxes to slide in a face-to-face manner or back-to-back manner. The guiding and guarding clamping device has large bearing capability.

The invention discloses an anti-skid injection molding nut which comprises a nut body and an anti-skid net. The anti-skid net is arranged on the outer side of the nut body and is coaxial with the nut body, and the anti-skid net is connected with the nut body through a connection column. The anti-skid net is arranged on the periphery of the nut body, the anti-skid net and the nut body are fixed together through the connection column, through the structural characteristics of the anti-skid net, friction force and meshed force of plastics and the nut are greatly improved, connection firmness of the plastics and the nut is improved, and the nut disengaging phenomenon can not occur when other components are fixed.

The invention discloses an anti-slip injection molding nut. The anti-slip injection molding nut comprises a nut body which is provided with an equatorial groove, and a plurality of anti-slip protrusions are symmetrically arranged on two sides of the equatorial groove. The equatorial groove is formed in the middle of the nut body, the anti-slip protrusions are arranged on the two sides of the equatorial groove, and therefore friction force and meshing force of plastic and the nut are enhanced, connection firmness of the plastic and the nut is improved, and the nut will not break away when fixing other components.

The invention relates to a roller assembly and a rolling rotor compressor. The roller assembly comprises a roller and a slider, the roller can eccentrically move in a cylinder body, the front end of the slider is adsorbed to the periphery of the roller by magnetic force, the rear end of the slider can be inserted in the sidewall of the cylinder body, and a suction cavity and an exhaust cavity areformed in the cylinder body. Thus, as the roller eccentrically moves in the cylinder body, the front end of the slider always abuts against the periphery of the roller, the situation of the slider separating from the roller cannot occur, so that the situation of capacity fluctuation is effectively prevented, and thereby the overall operating performance is increased.

The invention discloses a needle bar frame body of a high-speed embroidery machine. The needle bar frame body comprises a needle bar frame, a needle bar installed on the needle bar frame and a presserfoot matched with the needle bar, wherein the presser foot comprises a presser foot rod and a presser foot structure connected to the bottom end of the presser foot rod, the presser foot structure isprovided with a first thread clamping structure and a second thread clamping structure, a hook knife penetrates through the space between the first thread clamping structure and the second thread clamping structure, the first thread clamping structure can move relative to the second thread clamping structure and can reset, the first thread clamping structure makes contact with the second thread clamping structure when being located at a reset position, the presser foot rod is provided with a matching structure, the needle rod frame is provided with a locking structure used for preventing thematching structure from moving forwards, the needle rod frame is provided with an unlocking mechanism capable of enabling the locking structure and the matching structure to generate relative displacement so as to relieve the blocking effect of the locking structure on the matching structure. The needle bar frame body has the beneficial effects that the higher function integration degree is achieved, and the technical purpose of stably keeping upper thread clamping is achieved.

The invention belongs to the technical field of coatings, and particularly relates to an anti-cracking ultraviolet (UV) spraying white primer, and a preparation method and application thereof. The invention provides the anti-cracking UV spraying white primer. According to the invention, acrylic resin and phosphoric acid modified acrylate have synergistic interaction, so that adhesive force of a paint film is improved; molecular cross-linking and three-dimensional structure of the white primer are improved through 1,6-hexanediol diacrylate; and three photoinitiators are combined for use, so that the molecular cross-linking degree of the UV spraying white primer and molecular stability after cross-linking curing are enhanced. Experimental data shows that after the anti-cracking UV spraying white primer is cured to form a film, the yellowing resistance (168h) delta E* of the paint film is less than or equal to 4, and the yellowing resistance is good; the paint film is not cracked or stripped in an impact resistance test and has excellent cracking resistance; the adhesive force (the scribing distance is 2 mm) is grade 1; and pencil hardness (scratch) is more than or equal to 2 H, so that excellent usability is achieved.