108results about How to "Ease of production implementation" patented technology

The invention discloses a self-exited push-pull converter, comprising an input soft starting circuit, a bipolar push-pull circuit, a coupling transformer and an output filter circuit, wherein the input soft starting circuit, the bipolar push-pull circuit, the coupling transformer and the output filter circuit are connected in order; the bipolar push-pull circuit comprises two triodes and a high frequency self-exited suppression circuit, wherein the two triodes are in push-pull connection; the emitters of the two triodes are grounded; the bases of the two triodes are respectively connected with two ends of a feedback winding of the coupling transformer; the collectors of the two triodes are connected with two ends of a primary winding of the coupling transformer; the high frequency self-exited suppression circuit is used for removing sine vibration generated due to high characteristic frequency when the triodes are electrified; and the high frequency self-exited suppression circuit is connected in the bipolar push-pull circuit. The self-exited push-pull converter can effectively control high frequency vibration.

The invention discloses a pump cap screwing machine, which comprises a rack, a power transmission device, a cap screwing assembly, a bottle body supply device, a first bottle guide device, a second bottle guide device, a bottle feed star wheel device, a bottle stopping device, a bottle discharge star wheel device, a cap supply device, a rotating air path distribution device and a bottle output device, wherein the first bottle guide device is arranged at the tail of a screw rod and is matched with the bottle feed star wheel device, and a bottle feed inlet is formed between the first bottle guide device and the bottle feed star wheel device; the bottle feed star wheel device comprises a bottle feed turntable and a bottle feed rotating shaft which is movably connected with the power transmission device, the bottle feed turntable is provided with bottle feed clamping mounts and the bottle feed turntable is sheathed on the bottle feed rotating shaft; the second bottle guide device is matched with the bottle discharge star wheel device, a bottle discharge outlet is formed between the second bottle guide device and the bottle discharge star wheel device and the bottle stopping device is connected with the bottle discharge outlet. The pump cap screwing machine has the advantages that the structure is simple, the production efficiency is high, the processes of cap conveying, cap grabbing and cap screwing can be finished in one step, the effect of multiple products on one production line can be realized and the cap screwing effect is good.

The invention relates to a simulation system of an integrative production plan of steel making, continuous casting and hot rolling, belonging to the technical fields of manufacture and automatization and comprising an integrative production plan simulation subsystem of a steel making area, an integrative production plan simulation subsystem of a continuous casting area and an integrative production plan simulation subsystem of a hot rolling area, wherein a simulation module of the steel making area reads a production plan scheme of the steel making area and simulates and imitates an actual production procedure of the steel making area in the process of steel making, a simulation module of the continuous casting area reads a production plan scheme of the continuous casting area and is used for simulating and showing an actual production procedure of the continuous casting area in the process of steel making, and a simulation module of the production procedure of the hot rolling area reads a production plan scheme of the hot rolling area, comprises a subjection relationship of a temporary entity equipment plate blank and each equipment and simulates an actual production procedure of the hot rolling area in the process of steel making. The invention simulates the integrative production process of the production plan of steel making, continuous casting and hot rolling, enhances the quality of planning and optimizes the production execution.

The agent mainly consists of electrode graphite and cement, which is an ideal conduction material for earthing and has low resistivity for durative action and stability service. It can satisfy earthing protective requirements for various electric or microelectronic equipment with in quite long period under the various environmental conditions.

The invention discloses steel for a super-high-strength and super-high-toughness petroleum casing. The microstructure of the steel is a tempered sorbite. The chemical elements of the steel comprise, by mass, 0.1-0.22% of C, 0.1-0.4% of Si, 0.5-1.5% of Mn, 1-1.5% of Cr, 1-1.5% of Mo, 0.01-0.04% of Nb, 0.2-0.3% of V, 0.01-0.05% of Al, 0.0005-0.005% of Ca, the balance Fe and inevitable impurities. Correspondingly, the invention further discloses the petroleum casing made from the steel for the super-high-strength and super-high-toughness petroleum casing. Besides, the invention discloses a manufacturing method of the petroleum casing. The strength of the steel for the super-high-strength and super-high-toughness petroleum casing and the strength of the petroleum casing can be more than 155 ksi, the impacting toughness of the steel for the super-high-strength and super-high-toughness petroleum casing and the petroleum casing is 10% larger than the yield strength value of the steel for the super-high-strength and super-high-toughness petroleum casing and the petroleum casing, and super-high strength and super-high toughness match can be achieved.

The invention discloses an ultralow-temperature low-deformation glazed green brick body which consists of a base stock and an additive, wherein the base stock is prepared from the following ingredients: 25-35wt% of Jinqiao limestone, 10-25wt% of Yichun sand, 10-25wt% of Tianhu sand, 3-8wt% of Wanzai sodium sand, 3-5wt% of Jinxi sodium sand, 5-10wt% of lithium chinastone, 2-5wt% of black talc, 0-5wt% of Xingzi sodium sand, 0-5wt% of waste porcelain powder, 5-8wt% of Guangdong black clay, 5-8wt% of Chongqing bauxite chamotte, 3-6wt% of Ji'an white mud, 3-8wt% of Leping bentonite and 2-5wt% of Fuzhou white mud; the additive refers to an organosilicone nano solution with solid content of 40% and accounts for 1-3wt% of the base stock. In addition, the invention also discloses a preparation method of the ultralow-temperature low-deformation glazed green brick body. The preparation method is easily available in raw material and low in price of raw materials, is capable of improving the product performance index, realizing decrease in sintering temperature, enlarging the sintering temperature range, ensuring the product quality and realizing energy consumption and consumption reduction, and is beneficial to promotion in sustainable development of industrial production.

The invention discloses a tube socket fillet weld reheat crack prevention method which comprises the following steps: first step, installing and welding a tube socket fillet weld; second step, grinding and cleaning the tube socket fillet weld and figuring weld toe; third step, welding a pressure weld pass of the weld toe of the tube socket fillet weld, wherein the welding method of the pressure weld pass is manual tungsten electrode argon-arc welding or welding rod electric-arc welding; fourth step, grinding or machining to eliminate the pressure weld pass of the weld toe, and enabling weld metal and a tube body to smoothly transit; fifth step, grinding and cleaning the test surface of the tube socket fillet weld, and carrying out a 100% nondestructive test; sixth step, after the100% nondestructive test is qualified, carrying out a post-weld heat treatment; seventh step, grinding or polishing the tube socket fillet weld and carrying out a 100% nondestructive review. The tube socket fillet weld reheat crack prevention method is simple in whole technical process, convenient to produce and carry out and good in application effect. The socket fillet weld reheat crack prevention method effectively solves the problem of thick-wall 12 Cr1MoV header tube socket fillet weld reheat crack, ensures production cycles and quality of products and reduces economic losses.

A blind hinge for furniture comprises a movable cup holder arranged on a furniture door body and a connecting arm arranged on a furniture main body, wherein the movable cup holder and the connecting arm are connected through a rocker arm; a damper is arranged in the connecting arm; the blind hinge is also provided with an elastic piece which can at least produce an open-close action force to the movable cup holder. The blind hinge is characterized in that one end of the damper is arranged in the connecting arm, and the other end is connected with a swaying block in the hinge closing process at least; a hinge pin or a rotary drum is arranged between the elastic piece and the rocker arm, which are connected in a mutually sliding or rolling manner through the hinge pin or the rotary drum in the hinge closing process at least. Through the above structural improvement that the hinge pin or the rotary drum is arranged between the elastic piece and the rocker arm, which are connected in a mutually sliding or rolling manner through the hinge pin or the rotary drum in the hinge closing process at least, the pressure intensity at the contact part between the elastic piece and the rocker arm is greatly reduced, rigid friction between the elastic piece and the rocker arm is reduced, abrasion is reduced, and the product service life is prolonged; meanwhile, the purpose that the hinge is smooth and reliable in opening and closing is achieved.

The invention provides an edible fungus mycelium fermented drink and a making method thereof. The edible fungus mycelium fermented drink is made by inoculating an edible fungus strain into fermentation liquor and then performing fermentation. The fermentation liquor is mainly prepared form water, plant fruits, potatoes, glucose, rock candy, peptone, the vitamin B1 and edible soil, wherein the plant fruits include any one or more of red dates, blueberries, wolfberry fruits and Paris polyphylla fruits, and the edible fungus includes any one of morchella, collybia albuminosa, bolete, tricholoma matsutake and truffles. The edible fungus mycelium fermented drink is of great benefit to human health as rich nutritional ingredients of the plant fruits and edible fungus mycelia are contained, is high in nutritional value as no substance harmful to the human body is added, and is low in price; as the making method is simple and convenient to implement, and the raw material cost is low, the investment of the whole production line is small.

The invention discloses a method for realizing secure communication between a set-top box and an intelligent card. The method comprises the following steps that: both the set-top box and the intelligent card have a pair of asymmetric keys; and the set-top box and the intelligent card are matched with each other in pair. The set-top box and the intelligent card are mutually authenticated before exchanging a control word; after the authentication, the exchanged information is encrypted by using the public keys of the opposite parties and then transmitted; and the receiving parties can decipher the information by using the own private keys. Through the mutual authentication mechanism between the set-top box and the intelligent card, the communication between an illegal set-top box (or an illegal intelligent card) and a legal intelligent card (or a legal set-top box) can be prevented so as not to exchange the keys. By encrypting the information exchanged through the communication between the set-top box and the intelligent card, the connection between the set-top box and the intelligent card can be effectively prevented from being attacked, so that the security of the exchange processis guaranteed.

The invention describes an integrated pressure induction display panel and electronic equipment. The integrated pressure induction display panel comprises a display module, a touch module, a first electrode, a second electrode and a bonding layer, wherein the first electrode or the second electrode is connected with constant potential; and when pressure is applied to the integrated pressure induction display panel, the integrated pressure induction display panel can detect the change of capacitance between the first electrode and the second electrode according to the change of relative distance between the first electrode and the second electrode so as to detect pressure according to the change of the capacitance and realize different operation functions according to the detected pressure. The integrated pressure induction display panel provided by the invention can realize operation convenience and brand-new user experience through the acquisition of different pieces of pressure information, and the integrated pressure induction display panel has a broad market.

The invention discloses a hinge for furniture. The hinge comprises a connecting arm and a movable cup seat, which are connected through a swing arm. A torsion spring at least generating opening and closing action force on the movable cup seat is arranged in the hinge. The hinge is characterized in that an anti-friction block is arranged between the torsion spring and an inner swing arm, and is in sliding connection with the inner swing arm in the opening and closing processes of the hinge; a fixing part is arranged on the anti-friction block; and a pin shaft is inserted into the fixing part, and is fixedly arranged on an outer swing arm or the inner swing arm. The anti-friction block is arranged between the torsion spring and the inner swing arm, and is limited and fixedly arranged on the outer swing arm and / or the inner swing arm through the fixing part; the anti-friction block contacts with a part in the hinge through a plane, so that the contact between the anti-friction block and the part of the hinge is linear contact or surface contact, the pressure of a contact part is greatly reduced, rigid friction between the torsion spring and the part of the hinge is reduced, abrasion is reduced, the service life of the product is prolonged, and the aim of smoothly and reliably opening and closing the hinge is also fulfilled.

The invention discloses a low yield ratio and high toughness thick steel plate which comprises the following chemical components, by mass percent, 0.060-0.080% of C, 5.5-6.0% of Mn, 0.10-0.30% of Si, 0.015-0.040% of Al, 0.15-0.30% of Mo, 0.20-0.40% of Cr, 0.15-0.40% of Ni, 0.01-0.03% of Ti, less than or equal to 0.006% of S, less than or equal to 0.010% of P, and the balance Fe and unavoidable impurity elements. The steel plate has high yield strength, low yield ratio, and good low temperature impact toughness. The invention further discloses a manufacturing method of the steel plate. The manufacturing method comprises the steps of heating, rolling and carrying out heat treatment. The manufacturing method simply requires once heat treatment, is simple in process and facilitates production and implementation.

The invention provides a grafting technology of liquidambar styraciflua. The grafting technology comprises the following steps: selecting biennial acer serrulatum and cutting into stocks on parts which are 1.2-1.5 m away from the ground; shearing fully mature and robust twigs with full bud eyes on the upper part outside the crown of a seed tree as scions, wherein the scions have two to four full bud eyes; flatly shearing on the parts with ground diameter of 5 cm of the stocks; longitudinally cleaving once from the center of the section, wherein the length of the cleave is 2.5-3 cm; cutting on the two sides of the lower ends of scions to form wedged bevels with wide outer parts and narrow inner parts by using a sharp knife, wherein the length of the wedged bevels is 2.5-3 cm; inserting the scions into the cleaves of the stocks to form layer alignment of the two side faces of the stock and the scions; tightening the stocks and the scions, tensioning and knotting to prevent air drying and rainwater infiltration; healing the joints in 25-30 days after grafting. The method has the advantages of simplicity, better scion fixation and high survival rate, contributes to improvement of the seedling production value of the liquidambar styraciflua, is suitable for large-scale popularization and meets the requirements of market.

The invention discloses a magnetically induced crystallization method and apparatus for removal and recovery of phosphorus in wastewater. A magnetically induced crystallization reaction apparatus comprises a reactor, a drug restore tank, a water tank and a blower. The reactor comprises a mixing zone, a reaction zone and a settling zone. A flap mixing apparatus is arranged in the mixing zone to lay a good foundation for the induction crystallization reaction; porous alkaline slag rich in Ca<2+> and electrolytic manganese slag are used as a composite induction seed to create a favorable conditions for the induction crystallization reaction; a magnetic field is added, and the magnetic force is favor of OH. generation, thereby promoting crystal growth; and magnetic force and iron in composite seed form a magnetic flocculation effect, thereby improving the separation effect of crystals and water, and improving the efficiency of phosphorus removal. The invention does not change the process of the wastewater treatment plant in the prior art, removes and recycles phosphorus in sludge dewatering filtrate and sludge nitrification liquid, has the advantages of simple equipment, simple operation, and simple control, and is conducive to production implementation.

The invention discloses a sewage treatment system capable of intensifying biological denitrification and chemical dephosphorization and a technical method. The system mainly comprises a biological treatment system, a residual sludge oxidative decomposition system, and an induced crystallization dephosphorization and recovery system; an induced crystallization dephosphorization reactor is respectively connected to the water inlets of an anaerobic tank and an anoxic tank in the biological treatment system through a crystalline liquid reflux unit; a secondary setting tank in the biological treatment system is connected to the water inlet of the anoxic tank through a nitrification liquid reflux unit; and the secondary setting tank in the biological treatment system is connected to the water inlet of the anaerobic tank through a sludge reflux unit. In the technical method disclosed by the invention, crystalline reflux liquid which contains high-concentration SCOD (soluble chemical oxygen demand) can reflux to the anoxic tank to undergo intensified denitrification treatment or reflux to the anaerobic tank to undergo intensified dephosphorization treatment. The invention can reduce the contradiction between biological denitrification and biological dephosphorization, both the efficiency of denitrification and the efficiency of dephosphorization are high, moreover, the amount of sludge produced by the system is less, the system is easy to control, production can be easily implemented, and the invention has a potential broad application prospect.

The invention discloses a wide angle camera shooting system. The wide angle camera shooting system comprises an imaging assembly, a picture processing unit, and a video signal outputting assembly, wherein the imaging assembly comprises two cameras which share one certain included angle, the picture processing unit comprises a picture processing chip which is in signal connection to the cameras and is provided with a picture jointing module. The video signal outputting assembly comprises a display which is used for outputting and displaying a picture signal which is jointed and analyzed by the picture processing unit. The included angle is set to be 15-85 degrees. The wide angle camera shooting system is simple in structure, dual cameras are adopted for view taking and imaging, a picture synthesis technology of a software algorithm is adopted to conduct seamless jointing to obtain a full-view wide-width picture, and the problems that a traditional single 360-degree full view camera can easily result in picture delaying and cannot collect and monitor dynamic scenes in real time, and dead angle and dead zones exist when the single 360-degree full view camera is utilized in a vehicle are solved.

The invention discloses a light absorption heating blended yarn which is prepared from, in weight percent, 20-30% of cotton fibers, 30-40% of nano-heating acrylic fiber blended short fibers, 15-25% ofhollow polyester fibers and 5-35% of spandex fibers. The preparation process of the nano-heating acrylic fiber blended short fibers includes the steps: blending nano-ceramic particles, nano-volcanicrock powder and acrylic fiber spinning liquid to prepare the short fibers, and then blending the short fibers with the cotton fibers and polypropylene fibers to obtain nano-ceramic acrylic fiber blended short fibers; interweaving and blending the nano-ceramic acrylic fiber blended short fibers, the cotton fibers, the hollow polyester fibers and the spandex fibers according to the weight ratio (g / g) to obtain the light absorption heating blended yarn. The prepared light absorption heating blended yarn is gradually heated under illumination, the temperature of the yarn is 4-5 DEG C higher than that of a general fabric after illumination for 30 minutes, the yarn fabric has good light absorption heating performances, warmth retention ratio reaches 19%-21%, heat transfer coefficient is within 40.35-54.23, and the warmth retention property of the yarn fabric is superior to that of the general fabric.

The invention discloses a balancing transformer based on reverse-A wiring and a power supply method thereof. The balancing transformer comprises an iron core, a primary-side winding and a secondary-side winding; the primary-side winding is composed of three-phase windings AN, BN and CN, and adopts star-shape wiring, and N is a neutral point; a three-phase system is formed by a primary-side A, a primary-side B and a primary-side C; in the secondary-side winding, an A phase is a winding dc, the midpoint of the A phase is e, and a B phase is composed of a winding fd and a winding db; a C phase iscomposed of a winding ac and a winding cf; a closed triangle is formed by the winding dc, the winding cf and the winding fd, and an access of third harmonic current is formed; a two-phase system is formed by secondary sides a and e and secondary sides e and b, and the e point is a common point of the two-phase system; meanwhile, a three-phase system is formed by d, c and f, a three-phase supply can be provided externally, and the two-phase system and the three-phase system can simultaneously or separated supply power externally. The balancing transformer based on reverse-A wiring is compact in structure and flexible in using, and unbalance of power supplying can be effectively avoided.

The invention discloses a preparing method of weaving molding home textile products. The method comprises the steps that a woven fabric organizational structure design innovation is combined with a figured weaving technology, a large jacquard loom is used for preparing a stereo structure, home textile set products such as bedding bags and pillowcases are directly woven out, most steps such as cutting, splicing and sewing in home textile production processing are saved, and the preparing method has overturning value significance for the home textile manufacturing industry.

The invention discloses halogen-free flame retardant high impact polystyrene and a preparation method thereof. The halogen-free flame retardant high impact polystyrene is prepared from the following components in weight part: 100 parts of high impact polystyrene resin, 1-15 parts of vinyl benzene-butadiene-vinyl benzene blocked copolymer, 10-30 parts of halogen-free composite flame retardant, 0.2-2.5 parts of lubricating agent, and 0.3-1.6 parts of stabilizing agent; the halogen-free composite flame retardant is prepared from phosphate ester, zinc borate and phenolic resin in weight ratio of (10-20) to 1 to (5-10); the phosphate ester is triphenyl phosphate or dibenzyl phosphate. The halogen-free flame retardant high impact polystyrene has the advantages of excellent flame retardant property, high comprehensive mechanical strength, good melt flowability, low production cost, excellent environment protection and no toxicity.

The invention relates to a flame-retardant epoxy resin suitable for vacuum infusion and a preparation method of the flame-retardant epoxy resin. The flame-retardant epoxy resin suitable for vacuum infusion is prepared from an agent A and an agent B in a mass ratio of 100: 20, wherein the agent A is composed of the following components in parts by mass: 100 parts of bisphenol A resin, 25-40 parts of bromine-containing epoxy flame retardant, 6-12 parts of organic phosphorus flame retardant, 6-12 parts of non-reaction diluent, 0.3-0.6 part of defoaming agent and 1-3 parts of coupling agent; the agent B is composed of the following components in parts by mass: 95-105 parts of alicyclic amine hardener and 20-30 parts of accelerant. The flame-retardant epoxy resin provided by the invention overcomes the defect of the existing flame-retardant epoxy resin, has the advantages of being low in viscosity, good in flame retardance, and excellent in mechanical property, and is suitable for vacuum infusion process, and can be applied to manufacturing flame-retardant composite materials for the top technical field of aviation, aerospace, military industry and the like.

The invention relates to a method for preparing silicon dioxide and hydrogen chloride by means of hydrolysis of polysilicon by-product silicon tetrachloride. The method comprises the following steps of: adding additives and surfactants into an airtight reaction kettle with 5 to 30 mass percent of hydrochloric acid aqueous solution, adding the silicon tetrachloride into the airtight reaction kettle, wherein the input amount of the silicon tetrachloride is controlled to be between 0.4 and 0.9 m<3> / h; performing a hydrolysis reaction by controlling the temperature to be between 20 and 50 DEG C, and generating silica sol and hydrogen chloride gas; drying and recycling the hydrogen chloride gas; standing and aging the silica sol to form silicon dioxide precipitates; filtering and washing the silicon dioxide precipitates to remove the residual additives; and drying the washed silicon dioxide colloid, and thus obtaining precipitated white carbon black (silicon dioxide). The process has the characteristics of simple process flow, readily available raw materials, low production cost and the like.

A large-cover-position furniture hinge comprises a movable cup seat and a connecting arm, and a rocker arm assembly is arranged between the movable cup seat and the connecting arm. The movable cup seat and the connecting arm are hinged to each other through the rocker arm assembly, and a damper and an elastic part at least generating opening and closing acting force on the movable cup seat are arranged on the connecting arm. The large-cover-position furniture hinge is characterized in that an independent connecting shaft is arranged on the connecting arm, the elastic part is a torsional spring, and the middle of the elastic part is arranged on the connecting shaft; and one end of the torsional spring elastically acts on the connecting arm, and the other end of the torsional spring elastically acts on the rocker arm assembly. According to the large-cover-position furniture hinge, the structure is improved, the torsional spring is independently arranged, the requirement for the positionand space is relatively not high during assembling, and therefore the large-cover-position effect can be achieved under the same manufacturing process requirement. Meanwhile, the connecting compactness between all the components is improved, and the factory production and user use needs are greatly met. The beneficial effects of being simple and reasonable in structure, reliable in performance, low in manufacturing cost, simple in production implementation, smooth in opening and closing, long in service life and the like are achieved, and high practicality is achieved.

The invention discloses a pump cap screwing machine, which comprises a rack, a power transmission device, a cap screwing assembly, a bottle body supply device, a first bottle guide device, a second bottle guide device, a bottle feed star wheel device, a bottle stopping device, a bottle discharge star wheel device, a cap supply device, a rotating air path distribution device and a bottle output device, wherein the first bottle guide device is arranged at the tail of a screw rod and is matched with the bottle feed star wheel device, and a bottle feed inlet is formed between the first bottle guide device and the bottle feed star wheel device; the bottle feed star wheel device comprises a bottle feed turntable and a bottle feed rotating shaft which is movably connected with the power transmission device, the bottle feed turntable is provided with bottle feed clamping mounts and the bottle feed turntable is sheathed on the bottle feed rotating shaft; the second bottle guide device is matched with the bottle discharge star wheel device, a bottle discharge outlet is formed between the second bottle guide device and the bottle discharge star wheel device and the bottle stopping device is connected with the bottle discharge outlet. The pump cap screwing machine has the advantages that the structure is simple, the production efficiency is high, the processes of cap conveying, cap grabbing and cap screwing can be finished in one step, the effect of multiple products on one production line can be realized and the cap screwing effect is good.

The invention discloses a sunshade, which comprises an umbrella bar (1), an umbrella stand (2) and an opening device arranged in the umbrella bar (1). The umbrella bar (1) comprises at least an upper umbrella bar (12) and a medial superior umbrella bar (11) inserted on the umbrella bar (12), an umbrella groove (21) of the umbrella stand (2) is fixed in the top of the medial superior umbrella bar (11), an active umbrella groove (22) of the umbrella stand (2) is suited outside the umbrella bar (12), a fixed pulley (6) is fixed in the medial superior umbrella bar (11), and a flexible restoration component (3) is arranged in the medial superior umbrella bar (11) and the upper umbrella bar (12). Two ends of the flexible restoration component (3) are fixed in the medial superior umbrella bar (11) and the upper umbrella bar (12) is separately lead to the medial superior umbrella bar (11) that can be compared to the upper umbrella bar (12) and be restored up toward. Compared with the prior art, the invention has the advantages that the medial superior umbrella bar can move relatively to the upper umbrella bar up toward for the tendency of restoration, the whole height of the umbrella bar is increased when the umbrella bar is closed, when the beach umbrella is applied, for the end of the umbrella bone of the umbrella stand is not touched on the goods of the table, the application comfort degree of the beach umbrella is improved.

The invention discloses a hinge for furniture. The hinge comprises a connecting arm and a movable cup seat, which are connected through a swing arm. A torsion spring at least generating opening and closing action force on the movable cup seat is arranged in the hinge. The hinge is characterized in that an anti-friction block is arranged between the torsion spring and an inner swing arm, and is in sliding connection with the inner swing arm in the opening and closing processes of the hinge; a fixing part is arranged on the anti-friction block; and a pin shaft is inserted into the fixing part, and is fixedly arranged on an outer swing arm or the inner swing arm. The anti-friction block is arranged between the torsion spring and the inner swing arm, and is limited and fixedly arranged on the outer swing arm and / or the inner swing arm through the fixing part; the anti-friction block contacts with a part in the hinge through a plane, so that the contact between the anti-friction block and the part of the hinge is linear contact or surface contact, the pressure of a contact part is greatly reduced, rigid friction between the torsion spring and the part of the hinge is reduced, abrasion is reduced, the service life of the product is prolonged, and the aim of smoothly and reliably opening and closing the hinge is also fulfilled.

The invention relates to the technical field of heat treatment of metal materials, and discloses a high-performance 17-4PH stainless steel material and a high-pressure heat treatment method, a manufacturing method and application thereof. The high-pressure heat treatment method of the 17-4PH stainless steel material comprises the steps that the 17-4PH stainless steel material obtained through additive manufacturing is subjected to heat preservation and pressure maintaining for at least 100 min under the conditions of 1000-1100 DEG C and at least 140 MPa, then cooled to 450-550 DEG C, subjectedto heat preservation for 1-8 h and then cooled to room temperature, and air pressure in the cooling process is controlled to be 100 MPa or above. The high-performance 17-4PH stainless steel materialis obtained by adopting the heat treatment method. The material is good in comprehensive mechanical property and suitable for being applied to aerospace, petrochemical industry and nuclear industry. The preparation method of the high-performance 17-4PH stainless steel material comprises the steps that the 17-4PH stainless steel material is obtained through additive manufacturing; and then heat treatment is carried out by adopting the heat treatment method.

A novel structure of a flashing cosmetic sounder mirror is integrally composed of a double-side mirror, a round mirror frame, a rotary shaft, a mirror holder, a mirror post and a base. A circuit board cavity casing is arranged at the bottom of the mirror base. A pulse oscillation '555IC timer chip' flashing integrated plate, a battery, an MP3 (moving picture experts group audio layer 3) layer, a human sensing switch, a speaker and one or more than two luminous lines are respectively arranged in the circuit board cavity casing of the base. A light emitter is arranged on the mirror holder. The mirror holder is connected with the round mirror frame through a rotary shaft. A circular light emitter is arranged on the round mirror frame, and the components are covered with an inserting cover after combination. Therefore, when a person sits in front of the cosmetic mirror, the human sensing switch automatically starts to trigger a power source for powering, the MP3 player plays beautiful songs through a speaker, and the flashing integrated plate drives the light emitters to flash.

The invention discloses a novel convex-concave mountaineering running machine. Front wheels on the running machine are appropriately lifted, so that the height difference of the front belt wheels and rear belt wheels is enlarged and the inclined angle between the straight line of the high point at the front end of a belt tread face and the low point at the rear end of the belt tread face and the flat face of the bottom of a machine frame is set to be larger than 30 degrees. A certain number of mountain-shaped protrusions and a certain number of mountain-shaped pits are arranged on the belt tread face, wherein the number of the mountain-shaped protrusions and the number of the mountain-shaped pits are the same, so that when people run and take exercise on the belt tread face with the large gradient and with the protrusions and the pits, the feeling, the strength and the effect of mountaineering can be achieved, and therefore the use effect is good. In addition, according to the structure, handles are arranged, so that the safe reliability is good. The novel convex-concave mountaineering running machine has the advantages that when the novel convex-concave mountaineering running machine is used for taking exercise, redundant calories of people can be consumed, the purposes of slimming and body building are achieved, the speed of body building is increased, the use effect is good, the structure is easy to produce and implement, and the novel convex-concave mountaineering running machine is convenient to use.