34results about How to "Not easy to expand and deform" patented technology

The present invention relates to a method for preparing area light source and the structure thereof. The area light source comprises a high-transparency ultra-white glass light conducting plate with penetration degree higher than 90% and at least one side radiation light source, wherein, the glass light conducting plate is provided with a first surface, a second surface opposite to the first surface, and a light entering surface which is at least perpendicular with the first surface and the second surface. The side radiation light source is configured on the light entering surface of glass light conducting plate and radiates light into the glass light conducting plate. The glass light conducting plate is also provided with a conducting pattern configured on the second surface for radiating the light uniformly through the pattern.

The invention discloses a lead-acid storage battery with a square winding structure and a manufacturing method of the lead-acid storage battery. Flexible plate grids obtained by expanding, punching, continuous casting or other forms are respectively coated with positive electrode and negative electrode active substances to form a positive electrode plate and a negative electrode plate; the positive electrode plate, a separation board and the negative electrode plate are wound on the same core plate to form a battery cell; the battery cell is arranged in a battery jar with circular arc transition at two ends and a straight line in the middle; after the battery cell is dried by a special technology, a series of physical and electrochemical processes of cast welding, sealing, acid filling, forming and the like are finished, and finally, the lead-acid storage battery which can be repeatedly charged and discharged for use is obtained. The lead-acid storage battery disclosed by the invention combines the advantages of a cylindrical winding battery and a traditional square flat plate battery, has the characteristics of low internal resistance, high specific power and long service life of the winding battery as well as high volume utilization rate and wide application range of the traditional battery, and has broad application prospect; the limit that the cylindrical winding battery is only suitable for being produced into medium-small capacity batteries is broken through.

The invention discloses a slow cooling sand box for lost foam casting, and the slow cooling sand box comprises a rectangular box body, wherein the upper part of the box body is opened and is covered by a box cover, four partition plates which are matched with the shape of a cavity in the box body are arranged in the box body, the head and the tail of each partition plate are spliced with one another, the bottom of the box body is provided with an installation clamping groove for the partition plates to be inserted in the direction of the inner wall of the box body, each partition plate is inserted into the corresponding installation clamping groove, a gap is formed between each partition plate and the inner wall of the box body, so that the partition plates and the inner wall of the box body form an air pumping chamber together, and the plate surface of each partition plate is provided with a plurality of through holes; one side surface of the outer wall surface of the box body is provided with an exhaust pipe, one end of the exhaust pipe communicates with an exhaust chamber in the box body, and the other end of the exhaust pipe is connected with a negative pressure system; and aninterlayer is arranged in the partition plate, a gauze layer and a heat-preservation cotton layer are inserted into the interlayer, the gauze layer is close to the center of the box body relative to the heat-preservation cotton layer, and the heat-preservation cotton layer comprises a plurality of layers of heat-preservation cotton. The slow cooling sand box for lost foam casting solves the problem that the cooling time of the sand box is too short, thereby ensuring the quality of castings.

The present invention relates to the field of fluidized bed reactors, and discloses a fluidized bed reactor. The fluidized bed reactor comprises: a reactor main body (1) and a fluid distributor (2), wherein the reactor main body (1) comprises a reaction zone (4), wherein a plurality of fluid distribute holes (3) are formed in the bottom of the reaction zone (4), and the fluid distributor (2) comprises conveyor pipes that are connected with the fluid distribute holes (3), so that fluid materials can be conveyed to the reaction zone (4) by the conveyor pipes. The fluidized bed reactor disclosed by the present invention has the advantage that the fluid distributor is difficult to be corroded.

The present invention belongs to an animal food, in particular, it relates to a method for producing pressure-moulded dog chewing gum (a dog food) by utilizing edible hide material. It adopts the wetted fresh second layer of hide material as raw material, and includes three stages of preparing core body, making preform and producing finished product, and every stage respectively has the processes of drying and moulding.

The invention discloses a cable with a circulating heat dissipation function, which belongs to the field of cables. The cable with the circulating heat dissipation function comprises a wire core, a heat conduction filling layer, an inner sheath and an outer sheath are sequentially arranged on the outer side of the wire core, a plurality of heat conduction rings are glued to the outer wall of the inner sheath at equal intervals, the heat conduction rings are arranged between the inner sheath and the outer sheath, a sliding ring is arranged on the outer side of the circumference of the heat conduction ring, a sliding groove matched with the sliding ring is formed in the heat conduction ring, two heat dissipation blocks are fixed to the outer side of the circumference of the sliding ring and are rotationally and symmetrically arranged, a closed bin is arranged in each heat dissipation block, an arc-shaped concave face is arranged on the inner wall of the side, close to the wire core, of each closed bin, and an eccentric arc face is arranged on the inner wall of the side, away from the wire core, of each closed bin. Circulating heat dissipation in the circumferential direction of the cable can be achieved, heat in the wire core can be effectively and rapidly conducted out, the phenomenon of high temperature in the cable is avoided, the heat dissipation rate and use safety are effectively improved, and the cable has market prospects and is suitable for popularization.

The invention discloses a drying method for rosewood. The drying method comprises the following steps that 1, the rosewood is sawed into a finished material which is dried through a steam drying box; 2, the finished rosewood material is put into a pot to be boiled with boiling water and is subjected to degreasing for 110-130 min; 3, then the boiled finished rosewood material is subjected to drying and dewatering treatment; 4, the dewatered finished rosewood material is put into an oil tank to be soaked for six to eight days with vegetable oil and alums and is heated to 72 DEG C-78 DEG C; and 5, the soaked finished rosewood material is placed in a ventilated place so that the oil can be dried through blowing. The rosewood material obtained through the method is environmentally friendly, colorless and tasteless, and a human body is not injured through close contact. A rosewood plate processed through the method is not prone to absorbing water and being swelled and deformed as well as shrunk and torn through high-temperature baking and is especially suitable for production of seamless furniture.

The invention relates to a resin adhesive wet-pasting construction method of a toilet. The method specifically comprises the steps of (1) engineering technical disclosure and deepened paying-off disclosure, (2) base construction disclosure, (3) material processing, (4) allocation of materials and tools for site installation and (5) wet-pasting construction. The resin adhesive wet-pasting construction method of the toiler has the advantages that (1) time and labor are saved; (2) the mortar consumption is reduced, and stacking is simple; (3) pollution resistance, acid-base resistance and corrosion resistance are achieved, efflorescence and color change are avoided, and the connection strength is high; (4) floor loads are reduced, and the ground curing strength is increased; (5) seams are sealed tightly; and (6) the service life is long.

The invention discloses a distribution isolation switch on-line monitoring system for a kiln. The system comprises a current transformer, a combustion working condition sensor, infrared temperature sensors, a current signal conditioning module, a combustion state conditioning module, a data acquisition module, a frequency tracking module, a microprocessor module, a data storage module, a communication module, and a display module. The current transformer is connected to the current signal conditioning module. The combustion working condition sensor is connected to the combustion state conditioning module. The current signal conditioning module and the infrared temperature sensors are connected to the input port of the data acquisition module. The input end of the frequency tracking module is connected to any output port of the current signal conditioning module. The frequency tracking module is connected to the microprocessor module. The combustion state conditioning module, the data acquisition module, the data storage module, the communication module and the display module are connected to the AD port, data line, address line and control line, GPIO port and asynchronous serial interface of the microprocessor module. The online monitoring problem of isolation switch contact temperature, passing current and combustion state is solved.

The invention discloses a burner block used for an industrial furnace. The burner block comprises a mental base, a fire-resistant internal bladder and a protective sleeve; the mental base is connected with the fire-resistant internal bladder, and a burner gun inlet opening of a burner gun and a spark plug spigotjoint for containing a spark plug are positioned on the mental base; the protective sleeve is covered on the outer side of the fire-resistant internal bladder, and the mental base comprises the following components of parts by weights: chrome occupies 15 to 30 portions, molybdenum occupies 15 to 30 portions, nickel occupies 15 to 30 portions, tungsten occupies 3 to 7 portions, and manganese occupies 30 to 45 portions; the fire-resistant internal bladder is composed of the followingcomponents of parts by weights: mullite occupies 25 to 35 portions, silicon occupies 3 to 8 portions, alumina occupies 20 to 40 portions, alundum powder occupies 20 to 30 portions, and a high temperature resistance cement occupies 5 to 10 portions; the protective sleeve adopts the material of mullite; a refractory fiber paper is arranged between the fire resistant internal bladder and the protective sleeve. The burner block used for the industrial furnace has the advantages of high temperature resistance, wear resistance and durable service.

The invention relates to a mounting structure of a plastic decorating part of an automobile seat. The mounting structure comprises a plastic clip integrally molded with a plastic decorating part of anautomobile seat and a steel wire buckle fixedly connected to the sheet metal framework of the seat; the plastic clip and the steel wire buckle are in cooperation correspondingly; the mounting structure is characterized in that the steel wire buckle consists of a main steel wire and an auxiliary steel wire lapped onto the main steel wire; the auxiliary steel wire is U-shaped; and two ends of the auxiliary steel wire are fixedly connected with one straight segment of the main steel wire, so that a gap exists between the auxiliary steel wire and the main wire, and the steel wire buckle is formed. According to the mounting structure disclosed by the invention, the steel wire buckle and the plastic clip adopt the cooperation structure; special mounting conditions are not needed; the mounting structure is convenient to mount and is not easy to come off; and the mounting structure can be used for positioning and mounting various plastic parts such as a front seat side guard plate, a seat back plate, a back seat armrest cavity decoration plate and the like.

The invention provides a modified polycarbamate water-resistant adhesive film and a preparation method thereof. The preparation method comprises the following steps: stirring polyethyleneglycol, diphenylmethane diisocyanate, ethyl acetate and N,N-dimethylformamide to react, adding 2,2-dimethylolpropionic acid and 2-methylpyridine, continuing stirring, adding ethyl orthosilicate, hydroxy silicon oil and polydimethylsiloxane, stirring, adding N,N-dimethyl cyclohexylamine, continuing stirring at uniform speed, adding acetone, stirring, adding butanediol to react, cooling to 30-35 DEG C, adding triethanolamine, stirring with a stirrer, slowly adding deionized water while continuing stirring, and finally, carrying out reduced pressure distillation to obtain the modified polycarbamate water-resistant adhesive film. The modified polycarbamate water-resistant adhesive film has the advantages of favorable mechanical properties, favorable toughness, low swelling strain tendency and excellent water resistance.

The present invention is a lead-acid storage battery with a square winding structure and its manufacturing method. The positive and negative active materials are respectively coated on the flexible grid obtained by expansion, punching, continuous casting or other forms to make positive and negative plates. Plate, separator, and negative plate are wound on the same core plate to form a battery core, and the battery core is placed in a battery tank with a circular arc transition at both ends and a straight line in the middle. After drying by a special process, casting welding, sealing, and filling are completed. A series of physical and electrochemical processes such as acid and chemical formation, and finally, it becomes a lead-acid battery that can be used repeatedly for charging and discharging. The invention combines the advantages of cylindrical winding batteries and traditional square flat batteries. It not only has the characteristics of low internal resistance, high specific power and long life of winding batteries, but also has the characteristics of high volume utilization rate and wide application range of traditional batteries. It breaks through It overcomes the limitation that the cylindrical winding battery is only suitable for small and medium capacity batteries, and has broad application prospects.

The invention discloses an organic / inorganic mixed proton exchange membrane which comprises the following components by weight percentage: 0.5 to 30 percent of inorganic material and 99.5 to 70 percent of organic material. The surface area of the inorganic material is 50 to 3000 square meters per gram. The organic material comprises a copolymerized high polymer containing a sulfoacid base or a polymer doped with phosphoric acid. The organic / inorganic mixed proton exchange membrane has excellent water-retaining property, excellent mechanical strength and excellent conductivity, and does not expand or deform easily in high-temperature water.

Positive active material and negative active material separated by lead wires are coated on two sides of composite slab lattice so as to constitute bipolar plate. The said lead wires can be cut into certainshape to become positive pole plate or negative pole plate with single pole. Single adjacent batteries separated by lead wires can be connected in series. Positive pole plate, diaphragm, and negative pole plate of single battery are winded on same core axle. Winded pole plates and diaphragm fixed by plastic fixture becomes battery core. Dried battery core is installed inside cylindrical battery box so as to complete electrochemical procedure. Then, firming agent is filled into the box. The invention combines advantages of both of quasi-bipolar battery and cylindrical winded battery, possessing features of low internal resistance, high specific energy, high specific power, and long service life.

The present invention provides a bonding agent used by a membrane electrode group. The bonding agent comprises a solvent system, a hyperbranched polymer and an organic polymer capable of conducting ions, wherein the branching degree of the hyperbranched polymer is bigger than 0.5, and the hyperbranched polymer and the organic polymer capable of conducting ions are dispersed in the solvent system.

The invention relates to the technical field of ball head assembly machining, in particular to a machining process of a ball head assembly. The machining process comprises the steps of machining a ball head rod, machining a ball seat and assembling, and the step of machining the ball head rod further comprises a first turning step and a high-frequency quenching step; the first turning step: cutting the blank to enable the blank to form a rod body and a ball head; and the high-frequency quenching step: carrying out high-frequency quenching on the rod body and the ball head, wherein the surface hardness of the quenched rod body and ball head is not smaller than HRC58, and the surface decarburization phenomenon of the rod body and ball head is not allowed. The surface hardness of the ball head rod can be improved, the probability of deformation of the ball head is reduced, and the probability that the ball head falls off from the ball groove to cause failure of the ball head assembly is reduced; and moreover, the ball head is not easy to rub and deform in the ball groove, so that the friction force of the ball head in the ball groove is reduced, the universal rotation of the ball head in the ball groove is facilitated, and the service life of the ball head assembly is prolonged.

The invention discloses a ring-shaped thin-walled part shape correction tool and a shape correction and glue filling method, which belong to the technical field of parts glue filling. The cover plates are respectively detachably arranged at both ends of the positioning seat, the base and the positioning seat are in the shape of a rotating body, the positioning cover is in the shape of an annular plate, the base, the positioning seat and the positioning cover are arranged concentrically, the base and the positioning seat The bottom end is provided with an outwardly protruding outer edge, the positioning cover plate and the side surface of the positioning seat and the outer edge of the positioning seat form the inner ring shape correction groove of the part, and the outer edge of the base and the side surface of the base form the outer ring of the part Positioning groove, the shape correction and glue filling method of the annular thin-walled parts includes pre-shape correction, glue vacuum defoaming, glue filling and curing, and shaping steps. The shape correction tooling and processing method can fully guarantee the size of the glue filling parts , shape and internal quality of the colloid, so as to obtain high-quality glue filling products.

The present invention belongs to an animal food, in particular, it relates to a method for producing pressure-moulded dog chewing gum (a dog food) by utilizing edible hide material. It adopts the wetted fresh second layer of hide material as raw material, and includes three stages of preparing core body, making preform and producing finished product, and every stage respectively has the processes of drying and moulding.