62results about How to "Not easy to sag" patented technology

The invention discloses a casting defect eliminating method which belongs to the field of casting treatment. The casting defect eliminating method provided by the invention comprises five steps: defect cleanup, bevel preparation, weld preheating, welding repair and postweld treatment, wherein the defect cleanup refers to eliminating common surface defects by grinding, and common crack defects andgreats defects are subjected to a next step; the bevel preparation refers to forming a U-shaped bevel in the defected position and the bevel surface is a smooth curved surface; the weld preheating refers to carrying out local preheating to the common defects and integral preheating to the great defects; the welding repair refers to carrying out 1-2 layers of resurfacing welding along the side surface of a bevel, further fully welding the concave part in the resurfacing welding position and repeating the step until the whole bevel is welded to be full completely; and the postweld treatment refers to carrying out dehydrogenation treatment to the common defects after being welded and annealing treatment to the great defects after being welded. By improving the welding method and optimizing the process parameters when repairing different defects, the invention greatly reduces the probability of adverse influencing factors occurring in defect repair process, saves the time spent in defect repair and achieves the effect of cost saving while ensuring the qualified rate of casting repair.

An electronic device comprises a storage unit, a touch screen, a processor and a pressure-sensitive button, wherein the storage unit is stored with a preset pressure value; the pressure-sensitive button comprises a pressing surface arranged on the touch screen, a pressure sensor and a flexible circuit board; the pressure sensor is mounted on the back surface of the pressing surface and is used for sensing a pressure transmitted by the pressing surface and converting the pressure into pressure information; the two ends of the flexible circuit board are connected to the pressure sensor and the processor respectively, and the flexible circuit board is used for transmitting the pressure information sensed by the pressure sensor to the processor; the processor is used for judging whether the pressure reaches the preset pressure value according to the pressure information, and if so, controlling the touch screen to display a main interface. The invention further provides the pressure-sensitive button. The pressure-sensitive button provided by the invention is unlikely to sink, deflect and/ or fail, so that the reliability of the electronic device is improved.

This invention relates to a pressure air injection gun, which is characterized by the following: setting air valve and coating valve on same axis; setting one gas path in air channel connected to the pressure tar; the pressure cover and the pressure tar are connected by screw lines means; exerting power on the pressure tar through one gas path and sending coating materials with part of air exhausted from air spray to ensure three times of atomization on the air spray. The spray mouth is set with ring hole to make first atomization and the second atomization hole is the reverse flat hole and protective hole and the third hole is edge hole.

The invention discloses a coating and partial freezing preservation method for hairtail. The method comprises the following steps of (1) carrying out pretreatment; (2) carrying out sterilization; (3)carrying out surface dewatering; (4) carrying out dipping and coating; (5) carrying out vacuum cooling and drying; (6) carrying out low-temperature quick-freezing; and (7) carrying out partial freezing cold storage. The coating and partial freezing preservation method for the hairtail has the advantages that the hairtail is preserved through a combined coating and partial freezing preservation technology, the steps are simple, the operability is high, the juice loss rate in the unfreezing process of the hairtail can be decreased, the physicochemical properties and the sensory quality of the hairtail can be well maintained, and the shelf life of storage and sale of the hairtail in the partial freezing state can be obviously prolonged.

The invention relates to a production technology of an automobile seat decorative cover. The production technology comprises the steps as follows: a seat decorative cover base material is placed in an electrical heating oven to be heated, wherein the temperature of the upper oven of the electrical heating oven is controlled within 310-330 DEG C, the temperature of the lower oven of the electrical heating oven is controlled within 340-360 DEG C, the heating time is controlled within 90-100 seconds; the heated seat decorative cover base material is laid between an upper die and a lower die of a forming machine, wherein the temperatures of the upper die and the lower die of the forming machine are both controlled within 3-7 DEG C; the forming machine is operated to obtain a semi-finished automobile seat decorative cover, wherein the forming pressure is controlled within 18-20 MPa, and the forming time is controlled within 55-65 seconds; burrs on the edge of the semi-finished automobile seat decorative cover are removed to obtain the finished automobile seat decorative cover. The production technology adopts PP/PET composite material heating and mold cold-press molding and is free from addition of any chemical composition; the production technology produces no poisonous substance in the whole production process and belongs to an environment-friendly technology.

The invention discloses a formaldehyde-free aqueous jointing agent and a preparation method therefor. The formaldehyde-free aqueous jointing agent is prepared through mixing a main agent and a curing agent according to the mass ratio of (0.6 to 1.8): (0.8 to 1.6). According to the formaldehyde-free aqueous jointing agent, an aqueous bi-component macromolecular gluing technology is adopted, the product forms high-density reticular glue films at joints, and the glue films can be telescoped synchronous to sheet materials in case of climatic changes, so that the product has the characteristics that the sizing speed is high, the construction is easy, the sagging is difficult, the adhesive power is high, the cracking resistance is excellent, and the like. The formaldehyde-free aqueous jointing agent is applicable to the treatment on joints and easily-cracking parts of indoor and outdoor decorative materials and can play excellent roles in carrying out bonding and preventing cracking through injecting the product into gaps of the same or different materials such as wood, bricks and stones, gypsum boards, calcium silicate and cement wall faces.

The invention discloses a chest enlarging postoperative shape fixing device which comprises a chest strap, a left fixing strap, a right fixing strap, a left chest sticker and a right chest sticker. The left fixing strap is connected with the left edge of the chest strap, the right fixing strap is connected with the right edge of the chest strap, a first circular opening and a second circular opening are symmetrically formed in the front end face of the chest strap from left to right, the peripheral edge of the left chest sticker is fixed to the first circular opening, the peripheral edge of the left chest sticker is fixed to the first circular opening, the peripheral edge of the right chest sticker is fixed to the second circular opening, and the sizes of the left chest sticker and the right chest sticker can be adjusted. The chest enlarging postoperative shape fixing device has the advantages that the left chest of a female patient can be effectively covered and fixed by the left chest sticker, the right chest of the female patient can be effectively covered and fixed by the right chest sticker, so that prostheses implanted into corresponding chests are not easily shifted, the chest enlarging postoperative shape fixing device is suitable for chest enlarging postoperative female patients with different sizes of chests as the sizes of the left chest sticker and the right chest sticker can be adjusted, and the chest enlarging postoperative shape fixing device is high in practicability and adaptability and good in use effect.

The invention discloses a color coating decorative gypsum board and a production method thereof. The gypsum board serves as a board core; an aluminum foil layer is attached to the back side; the front side is provided with a coating film layer and a color coating ink layer. According to the color coating decorative gypsum board and the production method thereof, the aluminum foil layer is conductive and is matched with a keel and accordingly the electrostatic leakage performance is good and the strength and the waterproof performance of the gypsum board are increased and the heat radiation prevention performance of the aluminum foil layer is achieved and accordingly the heat radiation heat transfer is reduced after ceiling and the temperature regulation function is good; the coating film layer and front side protective paper of the gypsum board are fully combined and accordingly the waterproof, anti-static and decay prevention effects are achieved; various exquisite patterns can be printed on the color coating ink layer and accordingly the color coating decorative gypsum board is obvious in decorative effect, easy to clean, suitable for various places such as offices, shopping malls, families, schools and entertainment places, simple in process, rapid in construction, solid in integral structure, not easy to sag, long in service life and good in decorative effect.

Aiming at the problems of low spraying efficiency, high labor intensity, high coating loss, non-uniform coating film thickness and the like due to the fact that a thermal transfer coating is formed onthe surface of a metal aluminum base material and a polyurethane powder spraying process is mostly used for construction in the prior art, performance indexes cannot meet thermal transfer requirements in practical application, and a transfer image effect is not ideal. The invention provides a heat transfer printing coating which is prepared by mixing the following components in parts by weight: 30-60 parts of polyester resin, 10-35 parts of amino resin, a proper amount of catalyst and a proper amount of solvent. The heat transfer printing coating is used in cooperation with polyester resin primer of a metal aluminum base material, the surface of the primer is coated with the heat transfer printing coating through a roller coating process, the thermal transfer coating can be formed throughcontinuous high-speed production, and the heat transfer printing coating has the advantages of being high in roller coating production efficiency, high in yield, small in environmental harm and the like and has a good thermal transfer effect.

The invention discloses a power distribution cabinet framework which comprises lateral plates and a connecting beam between the lateral plates. Each lateral plate is formed by connecting a busbar clamp mounting beam, a stand column and a cross beam, wherein the cross beam and the stand column are connected in an inserted mode and then connected through self-tapping screws to form the lateral plate; the two ends of the connecting beam are provided with mountings holes respectively, and the end portions of the self-tapping screws extend out of the lateral plate and then extend into the mountings holes; the connecting beam is connected with the lateral plate through bolts; a structural strengthening support is arranged between the cross beam and the connecting beam; the two ends of the busbar clamp mounting beam are connected with the stand column respectively through the self-tapping screws. According to the power distribution cabinet framework, the cross beams and the stand columns are connected in the inserted mode and then tightly pressed and connected through the self-tapping screws, and therefore accurate positioning of the lateral plates is realized; after the end portions of the self-tapping screws are inserted in the mounting holes of the connecting beam, the lateral plates and the connecting beam are connected in a fastening mode through the high-strength bolts, and therefore the connection strength and stability of the lateral plates and the connecting beam are good; due to the connection structure between the stand columns, the cross beams and the connecting beam, the power distribution cabinet framework is high in installation accuracy, easy to install and operate, and capable of guaranteeing the quality of a power distribution cabinet product.

The invention relates to a machining process for improving the coaxiality of crankshaft journals, and belongs to the technical field of crankshaft machining. The process comprises the machining steps that a crankshaft is placed above a machine body of a grinding machine; a plurality of central frames are installed on the machine body of the grinding machine, and each central frame supports one journal at the corresponding position of the crankshaft on the grinding machine; the position of the axis of each journal of the crankshaft relative to the machine body of the grinding machine is measured, and the positions of the axes of all the journals of the crankshaft are consistent by adjusting telescopic feet of the central frames; a universal joint is installed at the shaft end of the crankshaft, and the universal joint and a chuck of the grinding machine are connected together; and the grinding machine is started to operate to grind each journal of the crankshaft to be of designed size. In the process of grinding the crankshaft journals, the crankshaft is supported on the grinding machine only under the action of the central frames, so that the middle portion of the crankshaft is not prone to drooping as a result of gravity, the axis position error of the crankshaft journals and the grinding machine chuck is counteracted under the action of the axis change of the universal joint, and the coaxiality of the crankshaft journals after grinding is improved.

The invention relates to a luminous intensity detection standard lamp. The luminous intensity detection standard lamp comprises a lamp holder and a glass bulb, wherein a core column and filaments are arranged in the glass bulb, the upper end face of the glass bulb is a circular-arc-shaped surface, the glass bulb is of an inverted-cone shape, the inner wall of the glass bulb is blackened, only one rectangular or square light-pervious window is formed in the portion, arranged in front of the plane where the filaments are located, of the glass bulb, a fixing base is connected between two guide wires, a plurality of molybdenum wire hook sets are arranged on the fixing base, each molybdenum wire hook set comprises a high molybdenum wire hook and a low molybdenum wire hook, the hook portion of the high molybdenum wire hook and the hook portion of the low molybdenum wire hook of each molybdenum wire hook set are arranged on the same vertical line, the filaments penetrate through the hook portions arranged on the tops of the molybdenum wire hooks in sequence from left to right in a square wave shape mode, the filaments are arranged on the same plane, and the filaments are arranged in the center of the light-pervious window. According to the luminous intensity detection standard lamp, adjustment of the filaments is simplified, and only the situation that the filaments are located in the center of the light-pervious window needs to be ensured; due to the facts that the filaments are of a square-wave shape, and the length of the portion, in the perpendicular direction, of each filament is larger than that of the portion, in the horizontal direction, of the filament, the filaments cannot easily fall off, working stability is good, and the service life is long.

The invention relates to a luminous intensity detection standard lamp comprising a lamp head and a glass housing. The glass housing is internally provided with a core column and lamp filaments. The glass housing is in a ball shape. The inner wall of the glass housing is painted black; and only the glass housing, right ahead of the plane where the lamp filaments locate, is provided with a rectangular or square light-transmitting window, wherein the length of the light-transmitting window is 18-20 mm, and the width is 18 mm. A fixation base is connected between two guide wires. The fixation base is provided with a plurality of molybdenum wire hook groups. Each molybdenum wire hook group comprises upper and lower two molybdenum wire hooks. The hook portions of the upper and lower two molybdenum wire hooks are in the same vertical line. The lamp filaments sequentially pass through the hook portion on the top of each molybdenum wire hook from left to right in a square-wave shape, and the lamp filaments are in the same plane. The lamp filaments are located right in the center of the light-transmitting window. The influence of reflection light from every direction on the glass housing is reduced; and the adjustment of the lamp filament is simpler, with just guaranteeing the filaments to be in the center of the light-transmitting window, thereby reducing the processing difficulty that the filaments must be in the center of the glass housing in the past.

The invention provides a glass emergency lamp. The glass emergency lamp comprises a glass modulator tube, a battery, an emergency lamp set and a detachable lamp holder. The glass modulator tube is provided with a first end and a second end which are opposite. The battery is arranged in the glass modulator tube and is adjacent to the first end. The emergency lamp set is electrically connected to the battery. The detachable lamp holder is assembled to the first end of the glass modulator tube so as to cover the battery, the detachable lamp holder is selectively dismounted from the first end, andaccordingly, the battery can move relative to the glass modulator tube so as to disengage from the glass modulator tube. Accordingly, the glass modulator tube is used in the glass emergency lamp, light transmittance is high, a good light emitting effect is achieved, and the modulator tube is high in strength, low in flexibility and not prone to drooping. In addition, the battery is arranged in the glass modulator tube, the detachable lamp holder is selectively dismounted from the glass modulator tube, the integral size of the glass emergency lamp can be reduced, the battery can be easily replaced, and accordingly, using and installing convenience is improved.

The invention relates to a poncho rainhat, which realizes the rainhat with a style of an upper half and a lower half combination. the upper half being made sunbonnet-shaped, and the lower half being made of waterproof cloth. Owning to the sunbonnet shape of the upper half, the rainhat can be safely worn on head, realizes non-slouch in spite of the rainhat brim length, has no influence on visual line, and does well in protecting people from the head-on rain.

A double-working hinge specifically comprises a tight hinge body, a loose hinge body, a movable shaft, an upper plug and a lower plug, wherein the movable shaft is sleeved with the tight hinge body and the loose hinge body, the upper plug is sleeved with the tight hinge body, and the lower plug is sleeved with the loose hinge body, so that the whole double-faced hinge is formed. According to the double-working hinge, the tight hinge body and the loose hinge body are each provided with six screw holes. When a door and a door frame are combined through the double-working hinge, the double-working hinge is not prone to being prized up by people. When the double-working hinge is applied, the door frame and a door sheet can be split, and mounting is convenient. Meanwhile, when the double-working hinge is applied, the door is not prone to drooping or rebounding.

The invention relates to fresh cut flower storage and preservation equipment. The fresh cut flower storage and preservation equipment comprises an equipment body, wherein a supporting frame is mountedin the equipment body, a container with an opening in the upper end is mounted on the supporting frame, a first water tank is arranged above the container, a plurality of holes are formed in the bottom surface of the first water tank, a partition plate is horizontally arranged in the first water tank, the partition plate is in sliding connection and sealing connection with the side wall of the first water tank, the first water tank is divided into an upper water tank and a lower water tank, a lifting device for driving the partition plate to move up and down is mounted in the equipment body,a second channel for communicating the upper water tank with the lower water tank is formed in the partition plate, a first elastic shielding sheet is arranged at an outlet of the second channel, andthe first elastic shielding sheet covers the outlet of the second channel; and a ventilating pipe is fixed on the partition plate, one end of the ventilating pipe extends out of the first water tank and is connected with an air pump, the other end of the ventilating pipe is fixedly connected with the first elastic shielding sheet and is exposed out of the first elastic shielding sheet, and a one-way exhaust structure is further arranged at the other end of the ventilating pipe. The fresh cut flower storage and preservation equipment prolongs the storage time of fresh cut flowers.