40results about How to "Achieve service life" patented technology

The invention relates to a self-cleaning dust collection device, which comprises an air inlet box (1), a coaming (2), a filter bag (3), a scraper blade (4), an ash bucket (5), a dust compactor (6) and a compression reducing motor (7), wherein the inner wall of the filter bag (3) is provided with a flipping and vibrating device (14); the scraper blade (4) is installed on a scraper blade shaft (8); the lower end of the scraper blade shaft (8) is provided with a fluted disc (10); and the bottom of the fluted disc (10) is provided with a stirring shaft (11). The self-cleaning dust collection device disclosed by the invention is greatly improved on the basis of the traditional scraper blade type dust collection device; the inner wall of the filter bag is provided with the flipping and vibrating device, and the dust cleaning principle is characterized by dust falling by flipping and vibrating; contact abrasion generated by the condition that the scraper blade and the filter bag directly contact is avoided, and the service life of the filter bag is prolonged; in addition, the bottom of the fluted disc is provided with the stirring shaft which can rotate along with the fluted disc so as to realize a self-cleaning function; the dust is prevented from bridging and clogging in the ash bucket; and dust filtering equipment is guaranteed to normally operate.

The invention relates to a leveraged input device micro switch key which can be used in computer peripherals, electronic instruments and man-machine control systems. The leveraged input device micro switch key comprises a switch control body and a PCB (printed circuit board) which are split, and the switch control body can be replaced and chosen as needed. The switch control body comprises a leveraged touch structure, a switch function structure, and a pressing section falling structure. The leveraged touch structure is employed to achieve an amplified trigger stroke through a micro stroke so as to control the switch function structure, and the pressing section falling structure produces clear falling sound of the pressing section of the key. The leveraged touch structure is a sliding lever structure with adjustable pressing force or a fixed lever structure with single fixed pressing force. The switch function structure is a light path type photoelectric switch function structure or a metal contact point/elastic sheet contact type switch function structure.

The invention relates to a suspension device, a mobile chassis and a robot, and the suspension device comprises a driver which is used for being installed on a chassis body; a height adjustment executing part which is in driving connection with the driver, and the driver can drive the height adjustment executing part to move up and down; and a walking wheel system which is movably installed on thechassis body and movably connected with the height adjustment executing piece, and the height adjustment executing piece can drive the walking wheel system to be away from or close to the chassis body. According to the scheme, the suspension device is applied to a robot, is specifically used for being installed on a movable chassis, and can achieve the effect that the height of the chassis body is adjustable. According to the suspension device, lifting adjustment of the movable chassis can be achieved, the passing capacity and safety of the robot for different uneven road surfaces are improved, the service life is prolonged, and the working reliability is guaranteed.

The invention discloses a power carrier illumination system. The power carrier illumination system comprises an intelligent illumination unit and a monitoring unit, wherein the intelligent illumination unit and the monitoring unit are connected through a power carrier network, the intelligent illumination unit is a long illumination terminal, the long illumination terminal comprises two or more illumination lamps, more than one sensing device, an automatic switchover device and an auxiliary power source module, the illumination lamps are connected in parallel and then sequentially connected with the automatic switchover device and an upper carrier control unit in series, a sensor is connected with the upper carrier control unit in parallel, and the auxiliary power source module provides power for the long illumination terminal. The power carrier illumination system has the advantages of providing continuous illumination, having certain fault tolerance at the same time, and achieving the '1+1> 2' effect of the service life of a bulb.

The invention discloses a flame detection device. The flame detection device comprises a shell and a flame detection assembly. The shell comprises a side wall, a bottom plate, a cover plate and two flexible connecting rings, wherein the two flexible connecting rings are used for connecting the side wall and the bottom plate and connecting the side wall and the cover plate, the flexible connecting rings are annular, and the cross section of any point on each flexible connecting ring in the height direction of the flexible connecting ring is in the shape of an arc-shaped plate. The side wall or the cover plate is further provided with glass. The flame detection assembly comprises any one of an infrared detector and an ultraviolet detector. The side wall or the cover plate is further provided with a conduit, and the conduit comprises a threaded base, an abutting threaded rod and a sealing ring. The flame detection device is simple in structure, favorable for preventing connection and sealing of the shell from failing under large thermal stress, favorable for the service life and the precision of the flame detection assembly and favorable for guaranteeing the sealing performance of the shell, and the reliability of the flame detection device is improved.

The invention relates to a modified CHA molecular sieve, and a preparation method and application thereof, in particular to the application to the exhaust gas treatment of diesel vehicles, and belongsto the field of catalytic materials. The molar ratio of silica to alumina in the modified CHA molecular sieve is 24.5 to 36; the pore volume of the modified CHA molecular sieve is not less than 0.32cm<3>/g; the crystallinity of the modified CHA molecular sieve is not more than 5% lower than that of a pre-modified H-CHA molecular sieve, the initial CHA molecular sieve is subjected to ammonium ionexchange and first calcinations to prepare the pre-modified H-CHA molecular sieve, and then is subjected to acid treatment and alkali treatment to prepare the modified CHA molecular sieve. The crystallinity of the modified Cu containing CHA molecular sieve prepared by copper exchange of the modified CHA molecular sieve is high, thus the service life of the modified Cu containing CHA molecular sieve as a catalyst in the selective reduction of ammonia is prolonged; and the pore volume of the modified Cu containing CHA molecular sieve is large, more materials which can cause the blockage of catalyst pore channel and reduction of pore volume can be accommodated, and thus the service life of the catalyst is prolonged.

The invention discloses a self-cleaning reaction kettle for processing chocolate sugar. The self-cleaning reaction kettle comprises a base and a kettle body; universal wheels are arranged under the base; fixing plates are respectively arranged on the left side and the right side of the base; each fixing plate is penetrated by a fixing column; the tower end of each fixing column is provided with asucker; a groove is formed in the upper side of the base; a damping pad is arranged in the groove; the upper side of the damping pad is also provided with a groove; a supporting plate is arranged in the groove of the damping pad; the upper side of the supporting plate is provided with supporting columns; the lower end of the kettle body is arranged on the supporting columns; a liquid collecting tank is arranged at the lower end of the outer side of the kettle body; the liquid collecting tank is provided with a liquid outlet; a fixing frame is arranged on one supporting column; a collecting bottle is arranged on the fixing frame; a positioning device is arranged at the lower end of the kettle body; a motor is arranged at the lower end of the positioning device; a rotating shaft extending into the kettle body is arranged at the output end of the motor; the rotating shaft is further symmetrically provided with two groups of connecting rods; and a cleaning brush is connected to the tail end of each connecting rod. The self-cleaning reaction kettle is simple in structure, is convenient to use, is convenient to move, can be cleaned automatically, has good temperature performance and hasa long service life.

The invention provides a processing method of stable colored glazed glass. The processing method includes: board preparation; formation of an anti-acid film, namely forming the anti-acid protective film with pattern structure on the front and back of a board; etching, namely placing in an acid etching solution for etching, and the acid etching solution eroding the surface of exposed glass board toform pattern grooves; preparation of washing liquid; washing, namely placing the glass board in the washing liquid for washing and then drying; semi-toughening; spraying of colored glaze, namely allowing the colored glaze to form a glaze layer on the pattern grooves; stripping; film coating, namely plating Nb2O5 on the front and back by magnetron sputter to form a dimming coating; final tempering. Two semi-toughening treatment is carried out to the glass board before and after spraying colored glaze coating, the influence on the performance of the colored glaze coating can be avoided, the front and back of the glass board are sputtered on the whole surface after spraying the colored glaze, the colored glaze coating can be protected, and the dimming effect of the glass board can be improved.

The needles (18, 19) of a needle set (17), which substantially agree in their geometry, have butts (28, 29) of different lengths, which have a predetermined breaking point (57, 58). The predetermined breaking points are differently embodied, so that the breaking torques of the butts (28, 29) of the needles (18, 19), which are a part of the set (17), are different. By means of this it is possible, on the one hand, to assuredly prevent damage to the knitting machine, but on the other hand to assure the dependable operation of the needles.

The invention discloses a method for calculating the service life of limestone slope based on the corrosion rate. The method comprises the steps of drafting basic parameters for the calculating the service life of the limestone slope; carrying out stress analysis on a limestone slope sliding body; calculating the effective lengths of the through section and the non-through section of the limestoneslope structural plane after n years of service according to the corrosion rate; calculating shear resistance parameters of the through section of the structural plane after n years of service according to the corrosion attenuation rate of the shear resistance parameters of the through section of the structural plane; establishing a long-term occurrence stability nonlinear mathematical programming model of the limestone slope; and solving the service life of the limestone slope. According to the method, the effective length of the through structural surface in the service period is calculatedaccording to the rock mass corrosion rate of the limestone slope, the shear resistance parameter in the service period is calculated according to the shear resistance parameter corrosion attenuationrate, a long-term occurrence stability nonlinear mathematical programming model of the limestone slope is established on the basis of an objective function, a balance equation and yield conditions, and the problem of mathematical modeling for predicting the service life of the limestone slope is solved.

The invention discloses a U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve comprises an air cylinder sleeve body. The air cylinder sleeve body is sequentially divided into a region A, a region B and a region C from top to bottom according to the friction and abrasion degrees, wherein the friction and abrasion degrees of the region A are maximal, the friction and abrasion degrees of the region C come second, and the friction and abrasion degrees of the region B are minimal. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve is characterized in that a plurality of layers of first overlapping curve rings are evenly arranged on the inner wall of the region A in the axial direction of the air cylinder sleeve body, each layer of first overlapping curve rings comprises a plurality of first U-shaped overlapping curve grooves which are evenly arranged in the circumferential direction of the air cylinder sleeve body, a plurality of layers of second overlapping curve rings are evenly arranged on the inner wall of the region B and the inner wall of the region C in the axial direction of the air cylinder sleeve body, and each layer of second overlapping curve rings comprises a plurality of second U-shaped overlapping curve grooves which are evenly arranged in the circumferential direction of the air cylinder sleeve. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve solves the problem that according to a mechanical honing technology, all random overlapping curves cannot reach consistence and also solves the problem that according to a narrow V-shaped laser honing technology, the air cylinder sleeve performance and the service life stability cannot be reached.

The invention discloses a water purification system using an RO membrane and a wastewater solenoid valve for descaling and a water purifier. The system includes a municipal pipe network connection pipe, and the municipal pipe network connection pipe is connected to an ultrafiltration membrane filter element and a descaling container through a pressure reducing valve, an activated carbon filter element is connected to one side of the ultrafiltration membrane filter element, and one side, far away from the ultrafiltration membrane filter element, of the activated carbon filter element is connected to a pressure-stabilizing pump and a purified water outlet pipe; the purified water outlet pipe is provided with a flowmeter, one side of the pressure-stabilizing pump is connected to a reverse osmosis filter element and the output end of a self-priming pump, and the input end of the self-priming pump is connected to the descaling container; and the output end of a reverse osmosis filter element is connected to a post-treatment filter element and a wastewater discharge outlet, the output end of the post-treatment filter element is provided with a pure water outlet pipe, and the purified water outlet pipe and the pure water outlet pipe are both connected to a faucet. The system realizes the descaling of the surface of the RO membrane and the wastewater solenoid valve without disassembling a filter element to the maximum extent, and the service life of the water purifier is prolonged.