2154results about How to "Affect the service life" patented technology

The invention provides a water-saving drum washing machine comprising an outer drum, an inner drum disposed in the outer drum and a water inlet pipeline communicating with the inner drum. The inner drum and the outer drum are installed on a central shaft coaxially. The inner drum is a holeless inner drum. The inner wall of the inner drum is provided with a plurality of lifting devices; the central shaft is internally provided with a hollow structure; the water inlet pipeline and the lifting devices communicate with the hollow structure. The lifting devices are provided with a plurality of water outlets. The technical objective of saving water is mainly achieved by using the holeless inner drum and making the space between the inner drum and the outer drum free of water in a washing process. Since the holeless inner drum is used, the structure of the water-saving washing machine is redesigned for water feeding and water drainage of the washing machine; further a water feeding and drainage system, a washing and spinning system and an airing drying and drying system are improved.

The invention provides an electric pressure cooker capable of facilitating cover opening. The electric pressure cooker comprises a pot body, a pot cover and a clamping buckling component; the pot cover comprises a liner and a lock cover located below the liner; the clamping buckling component comprises a movable clamping component arranged on the liner and a buckling component located on the pot body; the pot cover is buckled to the pot body through the clamping buckling component; the liner is provided with a cover opening assembly; the cover opening assembly drives the lock cover to rotate; the rotation of the lock cover enables the locking and unlocking of the lock cover and the pot body; the lock cover is provided with an unbuckling component; a distance from the unbuckling component to the center of the lock cover is 1 / 5 to 4 / 5 of the radius of the lock cover; a collision avoidance groove is arranged on the liner; the unbuckling component passes through the collision avoidance groove and extends to the upper surface of the liner; and the cover opening assembly drives the lock cover to rotate for unlocking, and the unbuckling component acts, so that the movable clamping component is separated from the buckling component. According to the electric pressure cooker of the invention, the pot cover can be opened just through rotation, and therefore, the electric pressure cooker is convenient for a user to use.

The present invention discloses a communication base station energy-saving air-conditioning unit, which comprises a compressor formed a circulating system, a fresh air system for feeding fresh air, a constant temperature and humidity indoor machine unit for processing the fresh air and the return air, a three-way valve (1), an air exhausting axial fan (2) and a first air return opening (3), wherein the three-way valve (1) is connected with an air inlet (6), the present invention also comprises a temperature sensor for detecting air temperature of the base station and outside air temperature, a temperature sensor for detecting the air humidity of the base station and outside air, and a controller for controlling the air exhausting axial fan (2), the three-way valve (1), a proportion regulating valve (5), the constant temperature and humidity indoor machine unit and the compressor according to the information of the temperature sensor and the humidity sensor. The present invention can effectively reduce the energy-consumption of the air-conditioning unit by reasonably using air flow organization and distribution.

The invention provides a control method and device for the electric quantity of a low-voltage accumulator. After the voltage value of the low-voltage accumulator is obtained, if the voltage value of the low-voltage accumulator is lower than a preset voltage threshold, low-voltage warning information is sent to user terminal equipment; after electrifying allowance information sent by the user terminal equipment according to the low-voltage warning information is obtained, a control command is sent to a high-voltage power battery, and the high-voltage power battery is controlled to charge the low-voltage accumulator. Through the adoption of the control method for the electric quantity of the low-voltage accumulator disclosed by the invention, when the voltage value of the low-voltage accumulator is lower than the preset voltage threshold, the low-voltage accumulator is charged by the high-voltage power battery, so that the voltage of the low-voltage accumulator is kept balanced, and the normal start of low-voltage electric equipment including a vehicle electronic control unit and the like is guaranteed.

The embodiment of the invention discloses a wavelength converter and a light-emitting device. The wavelength converter comprises a wavelength conversion layer for receiving exciting light and producing excited light, a driving device for driving the wavelength conversion layer to make periodical motion, a box for sealing the wavelength conversion layer and the driving device and comprising a first area for transmitting the exciting light to the wavelength conversion layer and a second area for transmitting the excited light, (and) an external fan arranged outside the box and used for cooling the box, and / or an external radiator arranged on the external surface of the box. According to the embodiment of the invention, the dustproof and radiating of a color wheel in the prior art are realized.

The invention relates to a refining agent for aluminum and aluminum alloy. The refining agent is characterized by mainly comprising the following components in percentage by mass: 30 to 85 percent of NaCl, 5 to 40 percent of Na2SiF6, 5 to 40 percent of Na2SO4, 2 to 20 percent of CaF2 and 0.5 to 5 percent of C6C16; and the refining agent also can comprise one or more of CaMg(CO3)2, Na3AlF6, Na2S2O3 and NaF. The potassium-free refining agent provided by the invention has good slag forming performance, strong gas and impurity removing capability and low cost; and the aluminum ash produced by refining the aluminum and the aluminum alloy through the refining agent can realize recycle.

The invention relates to a self-locking material clamping device with a buffer. The self-locking material clamping device comprises an electric clamping jaw, a spring buffer mechanism and a measurement element, the electric clamping jaw comprises a mounting plate, and two opposite grippers and a driving component driving the grippers to move face to face or back to back are arranged on the mounting plate; the spring buffer mechanism comprises a connecting block and a first slider in sliding connection with the connecting block and in connection with the mounting plate, two parallel guide shafts are connected to the connecting block, a perpendicular protrusion is arranged in the middle of the first slider, the protrusion sleeves the middles of the two guide shafts, and the guide shafts are sleeved with springs butting against the side wall of the connecting block and the side wall of the protrusion; the measurement element comprises a photoelectric sensor, a photoelectric switch and a visual sensor, the photoelectric sensor which is located between the two grippers is used for detecting whether materials are clamped by the electric clamping jaw or not, the electric clamping jaw is used for limiting when the grippers are closed and opened, and the visual sensor is used for identifying a positioning piece fixed to a material platform so as to acquire relative position information of the materials relative to the grippers.

The invention provides a battery thermal management system and an energy storage container. The battery thermal management system comprises a control device, a cooling device and a temperature sensor.The temperature sensor is arranged on the battery module and is used for detecting the temperature of the battery module and sending a temperature signal to the control device. The cooling device comprises a refrigerator and an air channel, wherein the air outlet of the refrigerator is communicated with the air inlet of the air channel, and the air outlet of the air channel is arranged on the battery module; the control device is electrically connected with the temperature sensor and the refrigerator respectively; and the control device controls the working state of the refrigerator accordingto the temperature signal. The control device of the invention judges the temperature of the battery module according to the temperature signal, and then controls the refrigerator to work and generate cooling gas, the cooling gas is released to the battery module through an air duct, the battery module is effectively cooled and radiated, the cooling efficiency is high, the cooling requirements ofthe battery module are met, the battery is guaranteed to work effectively, and the service life of the energy storage container is prevented from being influenced by the relatively high temperature of the battery module.

The invention discloses a coal tar hydrogenation processing method. The method of the invention comprises the steps that coal tar distillated oil or a full distillating pump with high content of impurities, colloid, asphaltene and oxygen elements is fed into a pre-hydrogenating reactor, the hydrogenation pre-treatment is performed under a certain reaction condition, the tiny impurities suspending in oil are separated through a separating device such as a filter and the like, then hydrogenating demetalization and deep hydrogenation refined reaction are performed in sequence, after water and light component are separated, and the material flow generated by the reaction enters into the hydrocracking reactor, thus gasoline fraction, diesel oil and hydrocracking tail oil are cut through a distilling device. Compared with the prior art, the method of the invention can ensure the device of long period of stable operation.

The invention relates to a lens cleaning solution which is mainly formed by mixing a water-solubility solvent with the boiling point smaller than 100 DEG C, a surface active agent, an ant-fogging agent and water. The invention also provides a wet tissue using the lens cleaning solution. Compared with the prior art, the water-solubility solvent with the boiling point smaller than 100 DEG C, the surface active agent, the anti-fogging agent and other functional medicament are selectively compounded, and the advantages of the components in the lens cleaning aspect are fully exerted, so that the lens cleaning solution and the wet tissue containing the lens cleaning solution not only can well clean dust, fingerprints, oil stains and other spots on the lens, but also has good anti-fogging performance, and can avoid the problems of rusting, mildew and the like caused by water being attached to the parts such as a lens frame and a lens bracket so as to avoid affecting the service life of eyeglasses.

The invention relates to a countercurrent-resisting control method applied to a grid-connected photovoltaic power generation system, a device and a countercurrent-resisting system using the method and the device. When power P1 of an access point of a grid is less than preset countercurrent specified power P0, countercurrent occurs, and a countercurrent-resisting controller turns down output power of a distributed power source, until the power source is shut down. When the power P1 of the access point of the grid is larger than the preset countercurrent specified power P0, output power of the distributed power source is too low and can not meet the demand on local load, electricity need taking from the grid, the countercurrent-resisting controller turns up the output power of the distributed power source, and power generation capacity of the distributed power source is increased. The countercurrent-resisting control method, the device and the countercurrent-resisting system thereof prevent from generating countercurrent, simultaneously improve power generation capacity of the distributed power source, reduce impact on the grid, and prolong service life of the distributed power source.

The invention discloses a pneumatic flat pressing machine for sticking a carton box and belongs to the field of carton box formation machines. The pneumatic flat pressing machine comprises a pneumatic pressing bed, a first support, a second support, a cross beam and a flat pressing mechanism, wherein the first support and the second support are arranged vertical to the working plane of the pneumatic pressing bed, the cross beam is fixedly connected between the first support and the second support, and the flat pressing mechanism is arranged on the cross beam; the flat pressing mechanism comprises an air cylinder, a mounting plate, a self-adaption inclining device, a press plate and a pneumatic system; the air cylinder is fixedly arranged on the mounting plate and is connected with the cross beam through the self-adaption inclining device; a piston rod of the air cylinder is connected with the press plate through the cross beam; the air cylinder is connected with the pneumatic system and controls the lifting of the air cylinder through a control valve arranged on the outer wall of the pneumatic pressing bed. According to the pneumatic flat pressing machine disclosed by the invention, the problem that the pressure of a sticking part of the carton box is uneven is modified; the flatly pressed carton box is firm in sticking and is flat; the position of the flat pressing mechanism is adjustable, and the press plate is rotatable, so that the use of the flat pressing machine is convenient, the applicability of the flat pressing machine is improved, the structure is simple, the operation is convenient, the cost is low, and the use effect is remarkable.

The invention relates to a fin type evaporator which comprises a fixed plate, single column or multiple columns of refrigerant coil pipes mounted on the fixed plate and a plurality of fins sheathed on the refrigerant coil pipes, wherein a groove is formed on each fin, a heater pipe clamp for defrosting is mounted in each groove, and each fin is provided with a hem for stably clamping a heater pipe along the edge of the groove. The invention further relates to a refrigerator using the evaporator. The fins of the evaporator are provided with the hems for clamping the heater pipes along the edges of the grooves, and the arrangement of the hems change the traditional line contact to the surface contact, thereby reducing the heat transfer resistance between the heater pipes and the fins, shortening the defrosting time, saving the defrosting energy consumption of the evaporator and mounting the heater pipes on the evaporator more firmly.

The invention discloses an anti-clogging sewage treatment equipment, comprising a box body, an electric control box is installed on the edge of one side of the top of the box body, a single-chip microcomputer is installed inside the electric control box, and a part of the electric control box is installed. A suction pump is installed on the side, a water outlet pipe is installed at the bottom of the suction pump, a first solenoid valve is installed on the water outlet pipe, a suction pipe is installed on one side of the suction pump, and a suction pipe is installed on one end of the suction pipe. The suction nozzle is installed at the bottom of the sedimentation tank. The inside of the box is provided with a filter room and a stirring room. The filter room and the stirring room are connected by a connecting pipe, and a chemical agent is installed on one side of the box. The chemical agent tank is connected to the stirring chamber through a second connection pipe, a second solenoid valve is installed on the second connection pipe, an activated carbon filter screen is installed inside the filter chamber, and one side of the filter chamber is installed. Installed with a bracket, the sewage treatment equipment has a compact structure and is easy to clean the filter screen.

The invention discloses a permanent magnet synchronous motor turn-to-turn short circuit fault diagnosis method based on flux linkage observation, and the method comprises the following steps: S1, estimating three-phase voltages (shown in the description) of a permanent magnet synchronous motor through employing a flux linkage observer of a current model; S2, comparing the three-phase voltages (shown in the description) obtained at step S1 and reference values (shown in the description) of the three-phase voltage, and obtaining the deviations delta ua, delta ub and delta uc of the three-phase voltages; S3, judging whether there is a turn-to-turn short circuit fault or not, and defining FI=<|delta ua|+|delta ub|+|delta uc|>: judging that there is a stator winding turn-to-turn short circuit fault if the FI is greater than thr, or else, judging that there is no stator winding turn-to-turn short circuit fault, wherein FI is a fault characteristic value, <> represents a mean value, and thr is a threshold value.

The invention discloses a detection circuit and a detection method of total dissolved solids (TDS). The detection circuit comprises a water quality probe, a TDS detection unit with three branches and a processing unit, wherein a first end of a first branch is connected with a first end of the water quality probe; a first end of the second branch is connected with a second end of the water quality probe; a first end of the third branch is connected with the first end and / or second end of the water quality probe; a first output end of the processing unit is connected with a second end of the first branch; a second output end of the processing unit is connected with a second end of the second branch; a first input end of the processing unit is connected with a second end of the third branch; the two output ends of the processing unit are used for alternately outputting pulse signals; the input end of the processing unit are used for acquiring the TDS signal detected by the TDS detection unit. According to the detection circuit, voltage is alternately applied to two ends of the water quality probe to drive the water quality probe to work, electrolytic reaction caused by the operation of continuously applying direct current voltage to the water quality probe is avoided, the detection precision of the TDS in the water is improved, the influence on the water quality during detection is avoided, and the service life of the water quality probe is prolonged.

The invention provides a compound porous electrode and the preparation method thereof as well as a flow battery comprising the compound porous electrode. The preparation method of the compound porous electrode comprises the following steps of: step S1, dispersing the solution with a graphene oxygen-containing derivative to a porous electrode body, thus obtaining a prefabricated body of the compound porous electrode; step S2, removing the solvent of the solution in the prefabricated body of the compound porous electrode, thereby obtaining the compound porous electrode. According to the preparation method provided by the invention, oxygen-containing groups on the surface of the graphene oxygen-containing derivative of the acquired compound porous electrode can catalyze the electrochemical reactions between vanadium ion electrons, the conduction performance of electrons is optimized, the electrochemical activity of the electrode is improved, furthermore, during the compounding process of the graphene oxygen-containing derivative and the porous electrode body, the graphene oxygen-containing derivative cannot cause an overoxidation effect on the porous electrode body, and furthermore no negative effect is caused to the stability and service life of electrode materials; meanwhile, the preparation method is simple in technical process, mild in treatment conditions and suitable for industrial application.

The invention discloses an intelligent warehouse robot with a function of self adaption of a coordinate position. The intelligent warehouse robot comprises a stacking trolley and a guide traveling way, wherein the guide traveling way comprises a linear traveling way and a semicircular transitional connection traveling way; the stacking trolley comprises a base frame, a control box arranged on the base frame, a lifting rail fixed beside the control box side, a lifting table inserted into the lifting rail, and a stacking mechanism arranged on the lifting table; different structures work mutually; and the precision and the corresponding speed are improved by integration control of an integration controller. During warehouse stacking, the intelligent warehouse robot actively adjusts a motor during traveling, steering, lifting and stretching, so that the mutual complementation is realized; and therefore, the sensitivity, the portability and the control stability are perfectly combined; and the intelligent warehouse robot is suitable for popularization and use.

The invention discloses a chemical raw material stirring and drying device. The chemical raw material stirring and drying device comprises a bottom plate, a stirring box, a first motor, a stirring shaft, a stirring rod, a hollow rotary shaft, a movable block, a thread rod, a second motor, a belt wheel, a belt, a gear, a rack, a T-shaped rod, a piston, a cylinder body, a first pipeline, a gas inletpipe, a second pipeline and a spraying nozzle. According to the chemical raw material stirring and drying device disclosed by the invention, the first motor, the second motor, the stirring shaft, thestirring rod, the belt wheel, the belt, the movable block, the thread rod, the hollow rotary shaft, the gear, the rack and the stirring rod are arranged in a staggered manner, so that a stirring region is enlarged; when the stirring box moves up and down, the stirring box rotates frontward and backward, so that chemical raw materials in the stirring box are continuously overturned; furthermore, the stirring and mixing efficiency is improved; the T-shaped rod, the piston, the cylinder body, the water tank and the spraying nozzle are arranged so that continuous gas-spraying drying is realized and the drying efficiency is improved; the inner part of the stirring box also can be washed so that a phenomenon that the chemical raw materials are used for a long period so that the stirring box iscorroded and the service life of the stirring box is influenced is avoided.

The invention relates to a standby power supply charge-discharge control circuit for a far-end communication base station, which comprises a mains supply access module, an electrical storage device, a mains-supply power supply and electrical storage device power supply conversion module, an electrical storage device charging control module, an electrical storage device discharging control module and a far-end monitoring module. When a mains supply supplies power to base station equipment, a standby power supply charging control module controls the electrical storage device to be in a charging state; and when the mains supply has a fault, the mains-supply power supply and electrical storage device power supply conversion module controls the electrical storage device to supply power to the base station equipment so as to enable the base station equipment to normally work and enable software and hardware of the base station equipment not to be damaged, and simultaneously, the operating state of the standby power supply charge-discharge control circuit of the far-end communication base station can be monitored at a control center by the far-end monitoring module. The invention provides the standby power supply charge-discharge control circuit which is directly supplied with power by adopting the electrical storage device, has under-voltage protection and electrical storage device protection, has a simple circuit structure, is low in cost, is developed by a modern electrical and electronic device and has relatively high stability and reliability.

The invention discloses a garbage treatment apparatus for environmental protection engineering. The garbage treatment apparatus comprises a machine body, wherein the upper side of the machine body isprovided with a material inlet, the water inlet is connected with a material inlet pipe, the left side of the material inlet pipe is connected with a belt loading apparatus, and the belt loading apparatus comprises frame bodies as well as a driving roller, a driving shaft, three supporting rollers and a tension roller which are arranged between the frame bodies by virtue of a bearing seat frame from left to right. By adopting the belt loading apparatus to automatically load materials, the working efficiency is increased; moreover, the automatic discharging can be realized; by arranging an upper crushing mechanism and a lower crushing mechanism, and the crushing effect is ensured, the crushing efficiency is increased; water circularly flowing inside a rotating shaft can bring away the heatgenerated by the friction, the cooling can be performed without stopping, the crushing machine can work continuously, the excessive feeding can be prevented from damaging the rolling rollers, and theservice life is prolonged; the vibration of the machine body can be greatly reduced, and the stability is improved.

The invention discloses a steel pipe cutting machine with an edge grinding function and facilitating heat dissipation. The steel pipe cutting machine comprises a base, a saw blade, a polisher, a workbench and a water tank, wherein universal wheels are all installed at four corners of the bottom end of the base, a control panel is arranged at the middle position of one end of the base, a hinging base is installed at the middle position of one side of the top of the base, and a supporting arm is hinged to the hinging base; and a reset spring is arranged at the hinged joint between the hinging base and the supporting arm, and a middle position of one end, close to the control panel, of the supporting arm is fixedly provided with a saw blade fixing cover. The steel pipe cutting machine with the edge grinding function and facilitating the heat dissipation is provided with the circular workbench and an arc-shaped adjusting groove, the workbench is embedded into the base, a fixing bolt in theadjusting groove is loosened during use, a handheld ball is held by hands to rotate the workbench, after the workbench is adjusted to a suitable angle, the fixing bolt is used for fixing the workbench, then a steel pipe can be fixed at multiple angles, so that multi-angle cutting of the steel pipe is realized, and the applicability is higher.

The invention provides an electric drill with a cooling system, which comprises a handle, an engine body and a drill chuck, wherein the handle is provided with a battery and a switch; the engine body comprises a shell, a motor arranged in the shell, and an impeller arranged on a rotating shaft of the motor; the shell is provided with a plurality of air outlet holes corresponding to the impeller; the impeller can rotate along the rotating shaft of the motor to generate airflow used for cooling the motor; the shell of the battery is provided with a plurality of through holes; an airflow passage is formed in the handle and the engine body, and is communicated with the external through the through holes of the battery; a radiator is positioned in the airflow passage and closely attached to the switch; and a part of the cooling airflow passes through the airflow passage before reaching the motor, so that the airflow can cool the battery and the switch. In the electric drill, the part of the cooling airflow can firstly cool the battery and the switch before cooling the motor, so the service life of the battery and the switch can be prevented from being influenced due to overheating.

The invention relates to a capping method for reducing the finishing quantity of slab continuous casting tailing billet and increasing the temperature of the billet tail. The method comprises the following steps that (1) according to the normal final pouring deceleration curve, the final pouring steel flow closing and tailing billet turning mode are conducted, meanwhile, the drawing speed of a continuous casting machine is set at the crawling drawing speed, the crawling speed distance is tracked, and the running interval length of the crawling speed is 2 / 3 of the length of a crystallizer; (2)after the running length of the crawling speed of the tailing billet exceeds 2 / 3 of the length of the crystallizer, the drawing speed of the casting machine is controlled at 0.3-0.5 m / min for low drawing speed running, the running length is tracked, after the running length of the billet tail is greater than the length of the crystallizer, the foot roller water volume of the crystallizer is openedaccording to 80% of the maximum water volume, the purpose is for force cooling of the head of the billet tail, and the fact that the a rising accident does not occur during capping is ensured; (3) the tailing billet at the arc and fan section of the casting machine is cooled; and (4) the tailing billet enters the horizontal section and then is subjected to cooling control. By means of the technical scheme, the hole shrinkage and the slag amount of the tailing billet can be minimized in the case that the tailing billet capping does not rise is ensured, and the finishing quantity of the continuous casting tailing billet is reduced accordingly.

The invention discloses a covering compound operating machine after sowing of a straw pick-up smashing machine. The covering compound operating machine comprises an anti-rotation straw pick-up smashing device, a conveying and throwing device and a rotary tillage, sowing and fertilizing device which are sequentially connected, and is characterized in that the conveying and throwing device comprises a grass overturning wheel capable of discharge grass, the anti-rotation straw pick-up smashing device, the conveying and throwing device and the rotary tillage, sowing and fertilizing device are a three-axis all-in-one machine, the top of the anti-rotation straw pick-up smashing device is provided with a transmission box which is connected with a pick-up smashing cutter shaft through a first transmission device, is connected with a rotary tillage cutter shaft through a second transmission device and is connected with a grass overturning wheel shaft through a third transmission device, the pick-up smashing cutter shaft is uniformly provided with a plurality of Y-shaped pick-up smashing cutters, the rotation direction of the pick-up smashing cutter shaft is opposite to the rotation direction of tractor wheels, and straws are downwards thrown onto sown soil from gaps between a plurality of groups fertilizing pipes and a seed discharging pipe through the grass overturning wheel after being smashed by the Y-shaped pick-up smashing cutters.

The invention discloses a construction method of a through floor pipe. The construction method of the through floor pipe mainly includes the following steps: template face lofting, floor face steel bar binding, floor face concrete pouring, floor face lofting, mechanical pore opening, hole checking, pipe installation, pipe template installation, waterstop installation, pouring concrete in a seam between the pipe and a floor board, maintenance and the like. The construction method of the through floor pipe is simple in technology, an operation method is easy to implement, construction speed is fast, anti-leakage quality is good, repair rate is low and economic benefits are obvious. The construction method of the through floor pipe is suitable for anti-leakage construction of a rigid polyvinyl chloride (UPVC) pipe with the diameter more than 50 mm in an indoor through floor board part.

The invention discloses a refrigerating system and a refrigerator provided with the refrigerating system. The refrigerating system comprises a control valve, a refrigerating chamber throttling element, a refrigerating chamber evaporator, a first temperature variable chamber throttling element, a temperature variable chamber freezing evaporator, a temperature variable chamber refrigerating evaporator, a second temperature variable chamber throttling element and a freezing chamber throttling element, wherein the control valve is provided with a valve inlet, a first valve outlet, a second valve outlet, a third valve outlet and a fourth valve outlet, the refrigerating chamber throttling element is communicated with the first valve outlet, the refrigerating chamber evaporator is communicated with the refrigerating chamber throttling element, the first temperature variable chamber throttling element is communicated with the second valve outlet, the temperature variable chamber freezing evaporator is communicated with the first temperature variable chamber throttling element, the temperature variable chamber refrigerating evaporator is communicated with the temperature variable chamber freezing evaporator, the second temperature variable chamber throttling element is communicated with the third valve outlet and the temperature variable chamber refrigerating evaporator, and the freezing chamber throttling element is communicated with the fourth valve outlet. The refrigerating system disclosed by the embodiment of the invention has the advantages that wide variable temperature of a temperature variable chamber is realized, the temperature control is accurate, the service life is long, and the like.

The invention provides a second row ball filling mechanism of a two-row ball bearing. The mechanism comprises a lower ball assembly and an assembling base which are arranged up and down, wherein the assembling base comprises a base and a crescent plate; a base is in a circular disc shape with an upward opening; baffling blocks are respectively convexly arranged at the two sides of the circular disc; a pressing block which can be arranged towards a first baffling block and can move parallel to the disc face of the base is arranged at the outer part of a second baffling block; the opening is internally provided with one crescent plate; a bottom plate of the crescent plate is in a circular sheet shape; a crescent-shaped lug boss which protrudes along the outer edge is arranged at one side, which is close to the second baffling block, of the bottom plate; the lower ball assembly comprises a supporting frame which can move along a pressing direction of the pressing block, and a lower ball nozzle and a positioning core which are mounted on the supporting frame; the opening of the lower ball nozzle is arranged downwards; the positioning core is in a column shape which downwards stretches out. When the device can be horizontally placed on inner and outer rings, the second row of the balls are subjected to automatic ball filling work, so that the working efficiency is high; therefore, the contact angle between the two rows of the assembled balls can sufficiently meet standard requirements; an erroneous utilization phenomenon of steel balls is avoided and the fitting success rate of finished products is guaranteed.