105results about How to "Reliable service life" patented technology

The invention belongs to the field of centrifugal pumps and particularly relates to a series-parallel connection centrifugal pump which has the flow channel series-parallel connection switching capacity. The series-parallel connection centrifugal pump comprises a pump body and a pump shaft. The pump shaft is provided with two impeller parts, and a first cavity channel and a second cavity channel are formed in a pump cavity corresponding to the two impeller parts. A first bypass flow channel, a second bypass flow channel, a first liquid outlet flow channel and a second liquid outlet flow channel are formed in the pump body, wherein the first bypass flow channel and the second bypass flow channel are used for communicating an outlet of an external liquid inlet pipeline and an inlet of the first cavity channel as well as the outlet of the external liquid inlet pipeline and an inlet of the second cavity channel respectively, and the first liquid outlet flow channel and the second liquid outlet flow channel are used for communicating an inlet of the external liquid outlet pipeline and an outlet of the first cavity channel as well as the inlet of the external liquid outlet pipeline and an outlet of the second cavity channel. A branch flow channel is further arranged in the pump cavity, one end of the branch flow channel is communicated with a liquid inlet of the second cavity channel, and the other end of the branch flow channel is communicated with the first liquid outlet flow channel to form a three-way joint. The series-parallel connection centrifugal pump further comprises a switching part, a switching assembly is arranged at the second liquid outlet flow channel, and the switching assembly and the switching part are in electric linkage or mechanical linkage. Due to the linkage structure, the series-parallel connection centrifugal pump is reasonable and practical in structure, long in service life and reliable and stable in work.

The invention provides an automatic retracting device for a small drawer slide rail. The problems that an existing automatic retracting device is large in occupied space and cannot meet the installing and using requirements of a small-width slide rail can be solved. A guiding base is fixedly installed at the back end of a fixed outer rail, a guiding portion of the guiding base is provided with a linear guiding groove in the same direction as the guiding base, a sliding block slides on the guiding portion, a pushing block is installed at the back end of a sliding inner rail, and the back end of the sliding block and a fixing base of the guiding base are connected through a spring; the groove surface of the top end of the front portion of the linear guiding groove is provided with an upwards-concaved rotation positioning cavity, the siding block is provided with an arc-shaped groove and a positioning hole, a pushing column of a limiting part is installed in the arc-shaped groove of the sliding block, a positioning pin is arranged in the positioning hole, a strip-shaped convex block and a rotating pin of the limiting part are assembled in the linear guiding groove, the groove surface of the bottom of an opening groove structure arranged at the back end of the pushing block is provided with a pushing tooth, the front side of the pushing tooth is provided with a locking inclined groove, and when the fixed outer rail and the sliding inner rail are closed, the pushing column of the limiting part is embedded into the locking inclined groove.

A sound signal wire that has higher rigidity to prevent roping effect from reducing sound quality during vibration within a speaker frame, and/or also has a higher flexibility and tensile strength to make the vibrated sound signal wire more durable for use with a speaker for transmitting sound signals is disclosed. The sound signal wire is constructed from sets of weaving wire units which weave onto other sets of support wire units along specific paths, with acetal resin or polyurethane coating the surface of the wire. Each wire unit is comprised of an inner fiber and a conductive metal sheet encompassing the inner fiber, in which the inner fiber is a heat-resistant fiber that is made by a poly meta-aramid fiber mixed-woven with a poly para-aramid fiber.

The invention provides a slurry composition for polishing color filters. The slurry composition at least includes an abrasive, a buffer solution and an additive. The abrasive is selected from the group consisting of alumina, ceria, magnesia, silica, titania, zirconia, cupric oxide, ferric oxide, zinc oxide and the mixture thereof. The buffer solution is used for adjusting pH to a desired range. The additive is used for stabilizing the polishing composition and also improving the polishing performance.

The invention provides a motion mechanism for wing flap load trial flight verification. The motion mechanism is arranged between wing flaps and a wing structure and used for controlling motion of thewing flap relative to the wing structure. The motion structure comprises a load bearing component and a testing optical fiber, wherein the load baring component comprises a component used for bearingstress when driving the wing flaps to move relative to the wing structure, and further comprises bragg grating strain sensors and a bragg grating temperature sensor are arranged on stress measurementpoints; the testing optical fiber is used for connecting the bragg grating strain sensors and the bragg grating temperature sensor on the load bearing component of the motion mechanism in series; andthe testing optical fiber comprises an input end and an output end. The invention further provides a measurement system for wing flap load trial flight verification, a method for wing flap load trialflight verification and a computer storage medium.

The invention provides a lead acid storage battery open failure test system and prediction method. The lead acid storage battery open failure test system comprises a lead acid storage battery high temperature accelerated corrosion subsystem and a lead acid storage battery normal temperature charge and discharge subsystem. The lead acid storage battery high temperature accelerated corrosion subsystem is used for performing constant floating charging to the lead acid storage battery pack under the high temperature environment and comprises a high temperature test box, a floating charging deviceand a storage battery monitoring device. The a lead acid storage battery normal temperature charge and discharge subsystem is used for performing the discharge or charge test on the lead acid storagebattery pack or the open verification storage battery under the normal temperature environment and comprises a constant current discharge load, a charging device and a high current discharge load. Compared with the systems and the methods in the prior art, the lead acid storage battery open failure test system and prediction method have the beneficial effects that the reliable service life of thelead acid storage battery before open failure caused by internal corrosion under the condition of constant floating charging under the normal temperature environment can be predicted.

The present disclosure discloses an apparatus and method for estimating a remaining service life of a battery that enables providing a relatively exact remaining service life of the battery to a user even when a parameter of the battery does not change sufficiently enough to enable measurement of the remaining service life due to reasons such as the battery not being used or the like.

The invention relates to a fastener clip over a carrier. A fastener clip system includes the carrier and the fastener clip configured to fit over the carrier. The fastener clip includes at least one wing. The wing includes an engagement region that includes a depressed portion configured to be secured against a slot.

The invention discloses a converter lining structure. The converter lining structure comprises a converter body at the outer side and a permanent layer lining connected with the converter body, wherein a working layer lining is arranged at the inner side of the permanent layer lining, the working layer lining comprises a converter bottom and a molten bath, the bottom of the molten bath is connected with the converter bottom, a plurality of layers of annular magnesium carbon brick bodies are superposed in the height direction of the molten bath to form a molten bath integral structure, the horizontal length of the plurality of layers of annular magnesium carbon brick bodies is gradually increased from an upper layer to a bottom layer, the thickness of the molten bath is gradually increased from the upper layer to the bottom layer, and the diameter of an inner cavity of each layer is gradually reduced from the upper layer to the bottom layer. By adopting the converter lining structure, the erosion speed of the molten bath lining bricks can be slowed down, the service life of the converter lining is prolonged, the safety of the lining is guaranteed, and the consumption of a magnesium material and a repairing mass in the production process of a converter is reduced.

A flexible display device including a well structure. An organic light-emitting element including a pixel electrode, an organic light-emitting layer, and a common electrode is disposed on a substrate. A bank layer is disposed on the pixel electrode, and is disposed to open at least a part of the pixel electrode. Further, at least one well structure is disposed on the bank layer. The well structure disposed on the bank layer can reduce or minimize a delamination phenomenon of an encapsulation layer which can occur due to compressive and tensile stress caused by bending of the flexible display device.

The invention provides a stainless steel pipe circular automatic welding member of a heating radiator. In a steel-channel-combined frame structure, a balancing cork base makes contact with a bottom port of a horizontal communicating pipe on the lower side of the heating radiator, an upper port of a horizontal communicating pipe on the upper side of the heating radiator makes contact with a welding gun fixed to a rotating shaft, an air cylinder guiding rod descends, the rotating shaft is inserted into a vertical stand pipe, and the rotating shaft is further provided with the welding gun; the welding gun rotates by a circle with the rotating shaft which is inserted into a polyurethane circular disc of the vertical stand pipe as the circle center, the rotating shaft and a pipe core bearing rotate, and the polyurethane circular disc does not rotate; a coupling is inserted into the upper part of the rotating shaft, and the coupling is connected with a lower main shaft of a reducer; the reducer is connected with a motor, and an upper main shaft of the reducer is connected with a circular disc spring; the main shafts of the reducer and the rotating shaft positively rotate by one circle, simultaneously, the welding gun and a steam line on the welding gun positively rotate by one circle, the circular disc spring is stretched, the main shafts of the reducer are stopped, a control button which electrically arranged is automatically twisted to a neutral position, the circular disc spring retracts, the main shafts of the reducer drive the rotating shaft and the welding gun to oppositely rotate by one circle, and the steam line of the welding gun is restored.

The solid type thermocouple special for aluminum anode roasting furnace includes refractory protecting alloy tube, refractory electrically isolating and heat transferring material, thermocouple filament and refractory protecting coating. The making process of the solid type thermocouple includes making cylindrical refractory protecting alloy tube of 4-6mm thick wall, setting the thermocouple filament with ceramic beads and protecting corundum tube inside the refractory protecting alloy tube, filling refractory electrically isolating and heat transferring material inside the refractory protecting alloy tube in the compaction degree over 95 % in integral sealing and filling process, and final spraying refractory anticorrosive layer onto the refractory protecting alloy tube. The present invention has greatly prolonged service life and high production efficiency.

The invention provides a spring support, which comprises U-aluminum profiles, I-shaped aluminum profiles, a connecting member, a connecting base, an M-shaped support, a spring upper sleeve, a spring lower sleeve, a spring, a hexagon bolt, edge sealing plates, middle sealing plates and the like. Two U-aluminum profiles and a plurality of I-shaped aluminum profiles surround a bus main body to form a basic supporting framework, the I-shaped aluminum profiles and the U-aluminum profiles are fixedly connected, the supporting framework is fixed above a floor, the base is fixed on the upper portion of the supporting framework, the connecting member is fixed on a bus cover plate, the hexagon bolt sequentially penetrates through the connecting member, the spring upper sleeve, and the spring, the spring lower sleeve and the base to be fastened by using a hexagon nut. A groove-shaped structure is arranged on the upper portion of the base, a groove-shaped foot is arranged on the lower portion of the base, and the M-shaped support is arranged in the groove-shaped foot on the lower portion of the base to be capable of preventing the hexagon bolt from being loosened caused by rotation of the hexagon nut. Gaps among the U-aluminum profiles, the I-shaped aluminum profiles, the base and a bus are plugged by using the edge sealing plates, and the middle sealing plates are used for plugging middle gaps of buses with large specifications so as to prevent chimney effect.

The invention relates to a filter equipment, in particular to a full automatic sewage-brushing and backwashing water filter. According to the technical proposal provided by the invention, a filter screen is arranged in a shell body. The invention is characterized in that a reducer is arranged on the shell body; a plurality of cylinder-shaped filer screens is uniformly arranged on a stent; the stent is connected with a main shaft; the main shaft is connected with the output end of the reducer; every filter screen is internally provided with a rotating shaft which is provided with a brush; the end of the brush is touched with the inner wall of the filer screen; the end of the rotating shaft extends out of the filter screen. The end of the rotating shaft is also provided with a planetary gear while every planetary gear is respectively meshed with a gearwheel fixed in the shell body. A water inlet, a water outlet and a backwashing pipe are arranged at the lower part of the shell body 2. The water filter backwashes the filter screen automatically after being used for a period of time, which ensures the normal operation of the water filter and alleviates the labor intensity of workers.

The invention relates to a mechanical-electrical-hydraulic compound soft-starting/stepless speed regulating drive mechanism on high-power heavy-duty equipment. The mechanism comprises a power input shaft sleeved on a planet carrier output shaft in a sliding manner. One end of the power input shaft is connected with a main electric motor, and the other end thereof is fixed in an inner hole of the planet carrier output shaft and is connected with a sun wheel shaft positioned in the inner hole of the planet carrier output shaft so as to form gear clearance float; at least two groups of planet wheels are fixed around the planet carrier output shaft through planet wheel shafts at one circle in a winding manner; each planet wheel is meshed with the sun wheel shaft peripherally, and is meshed with an inner ring gear positioned outside the planet carrier output shaft at the same time; a gear coupling which is connected with the inner ring gear along the gear direction to form radial gear clearance float is also included; a bevel gear fixed on the gear coupling is meshed with a conical tooth shaft connected with a low-power helper motor; and a bevel gear shaft for connecting the bevel gear and a hydraulic rotation function element are also arranged on the gear coupling at the same time. The mechanical-electrical-hydraulic compound soft-starting/stepless speed regulating drive mechanism integrates the functions such as soft-starting/stepless speed regulating, etc., and has the advantages of high transmission efficiency, small noise, compact structure, reliable performance and low cost.

The invention discloses a rotating drum fine grid type solid-liquid separation device, which comprises an integrated body, a rotating drum, a water equalizer, a spray mechanism and a driving mechanism; the rotating drum is installed in the body, and the water equalizer , spraying mechanism and driving mechanism are all installed on the machine body, and the driving mechanism is connected with the drum drive; the drum includes a water inlet drum head, a filter screen and a slag discharge drum head; The other end of the filter screen is connected to the slag discharge drum head, and a mud guide plate connected to the filter screen is arranged inside the slag discharge drum head, and a mud bucket is arranged at the end of the mud guide plate, and a slag discharge drum connected with the mud bucket is provided on the slag discharge drum head. The sewage with slag is pumped in by the water pump, and under the action of the water homogenizer, it is decompressed and buffered to form waterfall water, which is injected into the filter screen with a tangent line; the filtrate passes through the filter screen, is collected in the water collecting bucket and is discharged from the filtrate outlet , the slag stays at the bottom of the filter screen, after rotation, and under the action of the mud guide plate, it flows from the end of the water inlet drum head to the slag hopper end of the slag discharge drum head, and finally is discharged from the slag discharge port.

The invention discloses a preparation method of a polyborosiloxane modified polyurethane waterborne coating, and belongs to the technical field of coatings. Waterborne polyurethane is modified by polyborosiloxane, the characteristics of low VOC and environmental protection can be maintained, furthermore, water resistance, heat resistance, mechanical property and the like can be improved; and by the hydrophobic property, the anti-adhesion property of the surface of the coating to stains and bacteria is significantly improved. Moreover, the bactericidal property is further enhanced due to the existence of fluorine and boron in the molecule; and the surface has good hydrophobicity, and pollution loss caused by adhesion of the stains can be prevented. In addition, the coating disclosed by theinvention has the outstanding advantages of good toughness and flame-retardant characteristics, good hydrolysis resistance and heat aging resistance, wear resistance, corrosion resistance and brightness, softness and elasticity, good water resistance and mechanical property, and good weather resistance.

The valve design technology of the invention specifically discloses a Venturi type steam trap. Includes body, flange, plug and lock washer. The flange and the valve body are connected together by welding, the valve core is connected to the valve body by threads, and the locking washer between the valve body and the valve core can ensure the reliability of the connection. The Venturi steam trap has a compact structure and is only composed of four parts: flange, valve body, valve core and lock washer. Compared with dozens of parts in traditional steam traps, it greatly reduces the number of parts and improves the efficiency of steam traps. The stability of the machine reduces the probability of failure and achieves a longer life. In the same valve body, multiple sets of spools can be designed and installed to increase the condensate discharge.

The invention provides an automobile blind zone sensing system. The automobile blind zone sensing system acquires running relevant element information of motion status information, first running environment information, second running environment information, visibility value and the like of an automobile respectively through an automobile motion status detection module, a first running environment detection module, a second running environment detection module and a weather environment detection module, confirms running blind zone distribution status of the automobile under current running status according to the running relevant element information, and can further perform real-time dynamic prompting for a driver according to the running blind zone distribution status, thereby guaranteeing that the driver can comprehensively master running view in the running process and improving running safety of the automobile.