189results about How to "Reduce useless work" patented technology

The invention discloses a welding quality analysis device based on infrared vision and an analysis method thereof. The analysis device comprises an infrared vision collecting system that is adjustably and fixedly connected to a welding facility, a vision processing system, in which welding defect intelligent recognition algorithm is embedded, and a feed control system, which can evaluate the welding quality, give an alarm, and adjust the parameters of the welding facility. The analysis method comprises the following steps: (1) collecting the infrared vision information of a molten pool or an area near a molten pool in real time through infrared sensing; (2) processing the infrared vision information by the welding defect intelligent recognition algorithm so as to obtain the weld seam positions and welding defect characteristics; (3) evaluating the welding quality in real time, and controlling the welding facility and giving an alarm aiming at different welding defects. According to the provided intelligent analysis device and intelligent analysis method, the welding process can be monitored in real time, the welding defects can be recognized, the welding seam position can be traced, the welding quality can be evaluated, the welding loss can be reduced, and the finished product yield rate can be increased.

The invention relates to rotating shaft air feed rotary piston machine. It includes rotating shaft and air feed cabin. And the rotating shaft is set axial air induction channel and radial air induction hole. And it is set in stator air chamber by sealed bearing seat. The stator air chamber is set rotator air chamber. It is set intake hole connected to radial air induction hole. The stator air chamber is set air nozzle. The rotator is set exhaust hole. It has the advantages of energy saving, safe, long useful life, economic, and environment protecting.

The invention relates to the technical field of the traffic illegal detection and in particular to a traffic illegal detection method based on vehicle tracking and a system. The method comprises the following steps: pre-building a vehicle 3D model according to monitoring video data of an actual road; and in the process of actual detection, marking and tracking the vehicle by using the vehicle 3D model, judging whether the vehicle has the traffic illegal act according to the video image data generated by the tracked vehicle. The method is capable of marking the vehicle by using the vehicle 3D model, and using the tracking mode to obtain the video monitoring data of the vehicle. Compared with the mass center and real line distance method of abundant foreground change, the method is capable of eliminating the interferences, such as vehicle tracking, blocking, pedestrian and non-motor vehicle, and improving the accuracy rate of traffic illegal act judgment.

The reformable soft gasket consists of chloroprene rubber 2-10 wt%, teflon emulsion 50-84 wt%, silk floss or polymer fiber 3-20 wt%, reinforcing stuffing 0.5-5 wt%, lubricating oil 10-20 wt%, plasticizer 0.5-3 wt% and graphite 0-24 w. The gasket of the present invention has the features of excellent sealing performance, high durability, low friction coefficient, no need of water cooling, good self-lubricating performance, no wear of shaft and muff, power saving, corrosion resistance, capacity of being reused, etc.

The invention discloses an actuating tower type pumping unit of a low-velocity big-torque special-shaped motor, which is characterized by comprising a tower cylinder fixed on a cement basement, a digital intelligent control cabinet, a special-shaped motor on the top platform of the tower cylinder, a load hoisting belt wound round the roller of the special-shaped motor, and a balance box connected with the load hoisting belt. One end of the load hoisting belt is fixedly provided with a hanging rope or a hanging unit, while the other end of the load hoisting belt is connected with the balance box. The load hoisting belt is driven by the special-shaped motor to transmit torque forwardly and reversely. The rotating speed, the steering and the torque of the special-shaped motor are regulated and controlled by the digital intelligent control cabinet. The forward and reverse rotation of the special-shaped motor is converted to the reciprocating linear motion of a sucker rod so as to realize the oil pumping cycle of the pumping unit. The pumping unit is simple in structure and the intelligent controller thereof can be controlled automatically, manually or remotely. Thus, the perfect combination of high intelligence and fool-style operation is realized. The pumping unit is only provided with two lubricating points and can be operated for years without being lubricated. No easily damaged part is adopted by the whole pumping unit, while the pumping unit is time-saving and labor-saving in transportation, installation, use and maintenance.

The invention discloses an intelligent winch type pulling oil production system. The system comprises a drive assembly (1), a rack (2), an oil pumping rope (3) and a control device (9), wherein the drive assembly is provided with a winding drum (11) and a drive device (12) driving the winding drum (11) to rotate; a pulley (21) is installed on the rack; one end of the oil pumping rope is wound on the winding drum (11) and the other end thereof is connected with an oil production device (4) in an underground oil well pipe (5) by bypassing the pulley (21); the control device is used for controlling the drive device (12) to rotate; the oil production device (4) is provided with an underground liquid column height detector (6); and the underground liquid column height detector (6) transfers the detected liquid column height signal to the control device so that the control device controls the drive device (12) to act when receiving the preset liquid column height signal, thus driving the oil production device (4) to pull the liquid in the oil well pipe (5) out of the well mouth. The system has high oil production efficiency, reduces the energy consumption and reduces equipment wear.

The invention relates to an unmanned aerial vehicle, comprising an unmanned aerial vehicle aircraft, a cradle head and a shooting device, wherein the shooting device is installed at the lower part of the cradle head, the cradle head comprises an upper cradle head plate, a cradle head damping ball and a lower cradle head plate, the cradle head damping ball is connected with the upper cradle head plate and the lower cradle head plate respectively, and the lower cradle head plate is connected with a rotary motor. The used unmanned aerial vehicle can better meet requirements of power line inspection and is compatible with multi-functional devices to meet requirements of long-line power line inspection, self-stabilizing multi-angle zooming shot and self protection.

The invention provides an energy-saving control system. The energy-saving control system comprises an operating device, a pressure sensor, a frequency converter, a controller and a variable displacement pump, wherein the operating device is used for transmitting the flow required by the variable displacement pump to the controller; the pressure sensor senses a load pressure signal of an actuating mechanism and transmits the load pressure signal to the controller; the frequency converter feeds back a current rotating speed signal and a current torque signal of a motor to the controller so as to adjust the rotating speed and the torque of the motor according to a first adjusting command; the controller is connected to the frequency converter, the variable displacement pump and the pressure sensor, calculates an initial rotating speed value and an initial torque value of the motor and a displacement value of the variable displacement pump according to the required flow, the current rotating speed signal, the current torque signal and the load pressure signal, generates the first adjusting command and sends the first adjusting command to the frequency converter, and generates a second adjusting command and sends the second adjusting command to the variable displacement pump; and the variable displacement pump adjusts the displacement according to the second adjusting command. The high-efficiency combined control over the rotating speed and the torque of the motor and the displacement of the variable displacement pump starting from a required variable, namely the single variable of the variable displacement pump is realized.

The invention discloses a preparation method of a continuous extrusion SCR (Selective Catalytic Reduction) denitration honeycomb catalyst, and belongs to the field of the catalyst. The method comprises the following steps that raw materials are mixed and then fully and uniformly stirred to obtain a mixed solution; the mixed liquid is piled up in a stale manner after being mixed; then filtered by a pre-extruder and piled up in the stale manner to obtain muds; a wet blank extruded continuously by a mud vacuum extrusion forming machine is cut to obtain the wet blank with an irregular end shape; the wet blank with the irregular end shape is dried and then cut to respectively obtain end wastes and a fixed length dry blank of a regular end surface; the fixed length dry blank of the regular end surface is calcined after being dried to obtain the catalyst; and the end wastes are mixed and recycled after being crushed, pulped and classified. The method generates almost no waste, lowers resource consumption, and reduces impacts on the environment relative to the existing technological process. Furthermore, the method generates almost no waste, lowers resource consumption, and reduces impacts on the environment relative to the existing technological process.

The invention provides lubricating oil and application thereof. The lubricating oil is prepared from the following components by weight percent: 70-90% of base oil, 6-15% of a diesel engine oil compound agent, 3-15% of a viscosity index improver, 0.1-0.5% of a pour point depressant and 0.1-1% of friction improver, wherein the base oil is prepared by mixing hydrogenated base oil II and brighteningbase oil. The lubricating oil is prepared from the base oil and the additives; a good synergistic effect is achieved due to the combination of the compound type base oil and the improvers, so that theanti-friction, anti-wear and energy-saving effects are enabled to be more obvious. Under the actual working conditions, molybdenum dialkyl dithiophosphate or molybdenum dialkyl dithiocarbamate release active element sulfur or phosphorus in a friction process under high temperature and high pressure and chemically react with the metals on the friction surface, so that complex compounds such as phosphides and sulfides are generated and deposited on the friction surface; therefore, the lubricating oil has the effects of wear resistance, noise reduction and energy conservation on engines, and theengines, cylinders and other equipment are better protected by means of the lubricating oil.

The invention discloses a segmented curve type lifting rib lining plate. The segmented curve type lifting rib lining plate comprises a grid plate lining plate outer ring, a grid plate lining plate inner ring, a dustpan plate lining plate outer ring and a dustpan plate lining plate inner ring, wherein the dustpan plate lining plate outer ring and the dustpan plate lining plate inner ring are fixed on a semiautomatic mill and the inner side of a discharge end cover of a grid type ball mill, and are fixed with the grid plate lining plate outer ring and the grid plate lining plate inner ring; and a lifting rib of the grid plate lining plate outer ring, a lifting rib of the grid plate lining plate inner ring, a lifting rib of the dustpan plate lining plate outer ring and a lifting rib of the dustpan plate lining plate inner ring are segmented curves and multi-section folding lines. Because of the existence of the segmented curve type and multi-section folding line type lifting ribs, materials are easier to slip along the surfaces of the lifting ribs in the lifted process; the lifted height of the materials is obviously decreased; the mill yield is increased; the idle work of the mill to the materials is reduced in discharge through the decrement of the lifted height of the materials; the energy consumption is reduced; and the segmented curve type lifting rib lining plate is applied to the technical field of semiautomatic mills and grid type ball mills.

The invention provides a suspended energy collection and load reduction backpack based on friction electricity generation, and belongs to the technical field of luggage application. The suspended energy collection and load reduction backpack comprises a backpack body, backpack straps, a backpack upper plate and a backpack bottom plate; a weight reducing buffer unit, a layer type linkage friction electricity generation unit and a pair of sliding rod fixing units are arranged between the backpack upper plate and backpack bottom plate; through the pair of sliding rod fixing units, the relative sliding occurs between the backpack upper plate and the bottom plate in the sliding rod direction; and the weight reducing buffer unit transmits the acting force to the layer type linkage friction electricity generation unit through the backpack upper plate to drive the mutual linkage of all actuators in the layer type linkage friction electricity generation unit, the bio mechanical energy is converted into electric energy for storage, and the weight reducing buffer unit is used for significantly reducing the absolute amplitude of the load when people move so that the effect of load reduction, shock absorption and physical strength saving is achieved. The suspended energy collection and load reduction backpack is compact in structure, various in functions, convenient to adjust, safe and reliable, and can collect energy while effectively reduce the load and shock absorption.

The invention provides a pressure control device of an oil pump, which has a plurality of discharge sources, maintains the same characteristics as the pressure characteristics of a general flow pump by improving the oil circuit switching method, and reduces friction at the same time. Consists of: 1st discharge passage for supplying oil to the engine from the 1st set of rotors; 1st return passage returning to the suction side of the rotor; 2nd discharge passage for supplying oil to the engine from the 2nd set of rotors; returning to the 2nd set of rotors The second return passage on the suction side; the pressure control valve of the valve body is installed between the discharge port of the second group rotor and the first discharge passage. The first discharge passage and the second discharge passage are connected. In the low speed range, the flow path is controlled with only the first discharge passage and the second discharge passage open. In the middle speed range, the first discharge passage and the second discharge passage are opened. And the flow path is controlled in the state where the first discharge passage is closed and the second return passage is open. In the high-speed region, the flow is controlled by the state in which the second discharge passage is closed, the first discharge passage is open, and the first return passage and the second return passage are open. road.

This invention discloses a cursor location controller which consists of input device which was used to identify the input action and generate input signal; location checking device which was used to measure signal location change and generate impulse signal; signal analyzing device which was used to receive the impulse signal and analyze and switch it to a displace signal; signal disposal device which connects with the above two devices; a triggering device which connects to the disposal device, was used to control the working status. The advantages are as follows: the movement of operator's ankle was reduced; operating of control device on a narrow desk becomes more convenient.

The invention discloses a worm and gear type nut knapper. A fixing pressing head is arranged at the front end of a bottom plate, a support is arranged in the middle of the bottom plate, a rack with a moving pressing head is arranged on the bottom plate, a gear with a reinforcement rib is meshed onto the rack and connected onto the support through a rotary shaft, and a pressing handle is arranged on the gear. According to the worm and gear type nut knapper, nuts are squeezed in a worm and gear type transmission mode, labor is saved, squeezing strength can be controlled, nutshells can be effectively crushed without crushing nutlets, and the worm and gear type nut knapper is convenient to operate and clean.

The invention discloses a biological filter device of a circulation shallow water aquaculture system. The biological filter device of the circulation shallow water aquaculture system comprises a scourtrough, a filter mechanism and an aquaculture pond, wherein the scour trough and the aquaculture pond are arranged adjacently; the filter mechanism comprises a support frame, a rolling shaft and fourwing-shaped net cages; two ends of the rolling shaft is straddle mounted on the scour trough and the aquaculture pond through the support frame; the wing-shaped net cages are crosswise connected ontothe rolling shaft and can slide in an axial direction; water in the aquaculture pond has a certain flow speed and passes through the wing-shaped net cages with aquatic plants capable of absorbing ammonia nitrogen. A control method of the biological filter device is carried out in the biological filter device. According to the biological filter device of the circulation shallow water aquaculture system, and the control method thereof provided by the invention, through the wing-shaped net cages with the built-in aquatic plants, ammonia nitrogen can be absorbed continuously, and impurities are filtered, so that the oxygen content is improved; through an ammonia nitrogen detection sensor, the ammonia nitrogen content in water can be continuously obtained to control the rolling shaft to rotate, the ammonia nitrogen content is controlled accurately, and the device is suitable for cleaning different ammonia nitrogen pollution degrees of various shallow water aquaculture.

The invention discloses a safe and efficient excavator bucket. The safe and efficient excavator bucket comprises a hinging seat, a bucket body, drill bit connecting boxes, drill bits, LED lamps, bucket teeth, sharp iron plates, reinforcing bars, a water delivery pipe, a spray head and an adjusting valve, wherein the hinging seat is arranged at the top of the rear end of the bucket body, the LED lamps are arranged on two sides of the hinging seat, the bucket teeth are uniformly arranged on the front end of the bucket body, the drill bit connecting boxes are arranged between the bucket teeth, the drill bits are arranged on the drill bit connecting boxes, the reinforcing ribs are arranged at the bottom of the bucket body, the sharp iron plates are arranged on two side walls of the bucket body, the water delivery pipe is arranged on the side wall of the bucket body, an outlet end of the water delivery pipe is close to the bucket teeth, the spray head is mounted at the outlet end of the water delivery pipe, each bucket tooth comprises a bucket tooth tip end and a bucket tooth handle, threads are formed in the bucket tooth handles, and ventilating holes are formed in the bucket tooth tipends. Harder soil layers are convenient to dig, acting by mechanical energy is reduced, heat dissipation is facilitated, element ageing caused by high-temperature friction is reduced, the service life is prolonged, and the excavator bucket is simple in structure, convenient to use and convenient to popularize.

The invention discloses a material blocking plate and a lifting machine with the material blocking plate. The material blocking plate comprises a baffle, wherein two guide plates are arranged on the baffle in parallel; the guide plates adopt ladder-shaped bodies; and wear-resistant layers are formed on the upper surface of the baffle and the outer surfaces of the guide plates. The lifting machine comprises a housing, a discharge port of the lifting machine, a hopper and the material blocking plate, wherein the material blocking plate comprises the baffle; the lower part of the guide edge of one of the guide plates mounted on the baffle is flush with one side surface of the baffle; the side surface is the outer side surface of the baffle; the surface opposite to the outer surface of the baffle is the inner side surface of the baffle; the inner side surface of the baffle is obliquely welded onto the discharge port of the lifting machine through a first welding seam; and the two end surfaces of the baffle are fixedly welded with the two side surfaces of the housing through a second welding seam and a third welding seam respectively. Compared with the prior art, the material blocking effect is good, the service life is more than 2 years and the working power consumption is low.

The invention provides a high-quality air compression treatment system. The high-quality air compression treatment system comprises a box body, wherein an air filter element, a double-stage variable frequency air compressor, a coarse filter, a rear cooling system, a precise filter, a cold dryer, an ultra-precision filter and an air treatment host are sequentially connected into the box body. Air filters large-particle impurities by the air filter element, and enters the double-stage variable frequency air compressor to obtain compressed air; the compressed air passes through the coarse filter,and solid or liquid particles with the concentration of more than 3 microns in the compressed air are filtered out; after the compressed air passes through a cooling system and the precision filter,solid or liquid particles larger than 0.01 microns and 99.99% of oil mist are filtered; after the compressed air passes through the cold dryer and the ultra-precision filter, solid or liquid particleslarger than 0.01 microns and 99.99% of oil mist are filtered out; and finally, after the compressed air is treated by a molecular sieve adsorber in the air treatment host, the first-stage standard compressed air is reached.

This invention provides an information processing method and electronic equipment. The technical problem that the air supplying range of a fan during operating is not so reasonable is solved. The method comprises the steps that 1, the location information of N users in the environment where the electronic equipment is located is obtained, wherein an air supplying device of the electronic equipment is at a first operating mode, and N is a positive integer; 2, a control parameter corresponding to the electronic equipment is determined according to the location information of the N users; and 3, the air supplying range of the air supplying device is controlled within location areas corresponding to the N users at the first operating mode and according to the control parameter.

Disclosed is a brick automatically packing production line. The brick automatically packing production line comprises a circulatory feeding system, a brick pushing mechanism, a piled brick longitudinally packing system, a pile pushing mechanism, a piled brick transversely packing system and an automatic detection controlling system. The circulatory feeding system crosses over a plurality of brick carts and is arranged at the feeding end of the piled brick longitudinally packing system to feed brick materials to the longitudinally packing system; the brick pushing mechanism is used for pushing piled bricks on the circulatory feeding system onto the piled brick longitudinally packing system, is close to the feeding end of the piled brick longitudinally packing system and is arranged on the ring-shaped inner side of the circulatory feeding system; the piled brick longitudinally packing system is composed of a rolling carrier roller brick conveying mechanism and a packing head assembly, wherein the rolling carrier roller brick conveying mechanism is used for conveying the piled bricks through carrier rollers, and the packing head assembly comprises a guide unit, a lateral brick pressing unit and a packing head; the piled brick longitudinally packing system is used for longitudinally packing single-layer piled bricks to achieve grouping of the piled bricks; the pile pushing mechanism is used for pushing the longitudinally-packed piled bricks towards the piled brick transversely packing system and arranged on the side surface of the tail end of the piled brick longitudinally packing system; the piled brick transversely packing system is similar to the piled brick longitudinally packing system and is used for transversely packing the grouped piled bricks and arranged on the side surface of the tail end of the piled brick longitudinally packing system; the automatic detection controlling system is used for coordinating actions of all the parts.

The invention discloses a scanning signal control method for pulse-pumping Q-switched laser cleaning. The method includes the following steps that parameters of a laser are set, and a pulse-pumping Q-switched laser is started, and emits discontinuous pulse laser; parameters of a signal control panel are adjusted, sawtooth signal time is equal to pulse width pumping time, the duty ratio of sawtoothsignals is equal to the pulse-pumping duty ratio, triggering delay time of the sawtooth signals is adjusted, and the pumping time of the sawtooth signals and the pumping time of the pulse-pumping Q-switched laser are synchronous; through non-uniform periodical swinging of a galvanometer motor, and continuous and even linear laser spots are output. By means of the scanning signal control method, the problem that due to a continuous-emitting discontinuous pulse emission mode of the pulse-pumping Q-switched laser, distribution of scanned spots is interrupted and discontinuous is solved, and application of laser cleaning of the light source is achieved.

The invention provides a dual-interface card production device and method. The dual-interface card production device comprises a chip turning device, wherein the chip turning device comprises a turning arm and 2N suction cups which are symmetrically arranged on the two sides of the turning arm, and the suction cups on one side of the turning arm are right opposite to chips to be sucked. Compared with the prior art, the chip welding efficiency is greatly improved by arranging a chip steering set and the chip turning device. The chip turning device is arranged into the structure that the chips are turned and sucked at the two ends, and compared with a traditional structure that the chips are sucked at one end, residual turning is reduced, the flow is simplified, a large amount of time is saved, and idle work applied by the chip turning device is reduced as well. The chip steering set is designed into two adsorption pieces, and through the cooperation with an X-axis servo motor, when one adsorption piece prepares for welding, the other adsorption piece can prepare for chip receiving, certain time is saved, and the production efficiency of the dual-interface card production device is greatly improved.

The invention discloses ferrite cleaning and baking equipment. The ferrite cleaning and baking equipment comprises an equipment bracket, a first water tank, a first motor, first transitional wheels, a first mesh belt and a second water tank, wherein the first water tank and the second water tank are independent from each other, first vibrators are arranged in the first water tank, a plurality of second vibrators are arranged in the second water tank, vibration exciters are connected with the first and second vibrators, a transitional device is arranged at an outlet end of the first mesh belt, a baking device is arranged at an outlet end of the transitional device and comprises a second motor, the second motor is arranged on the equipment bracket and drives a second mesh belt to move through a plurality of second transitional wheels, the second mesh belt is provided with a plurality of air knives, and the air knives are connected with a hot-air blower through hot-air pipelines. The invention further discloses a realization method of the ferrite cleaning and baking equipment. The ferrite cleaning and baking equipment and the realization method thereof have the characteristics of simple structure, low manufacturing cost, cleanness in cleaning, sufficiency in baking, high production efficiency, high product qualified rate, high economic benefit and the like.

The invention discloses an LED street lamp control device and a control method thereof. The method comprises determining whether the solar panel discharging circuit works or not for charging a lithiumbattery according to the effective voltage value of the solar panel and the current electric quantity value of the lithium battery; controlling the brightness of an LED street lamp according to the current electric quantity value of the lithium battery, starting the timing function, and when the turn-off time is reached, stopping the timing and turning off the LED street lamp. The device comprises an MCU processing circuit, a solar panel voltage detection circuit and a lithium battery charging and discharging electric quantity detection circuit, the MCU processing circuit is connected with apower supply circuit, an LED constant-current driving circuit, a solar panel discharging circuit and a lithium battery charging and discharging circuit, the solar panel voltage detection circuit is connected between the MCU processing circuit and the solar panel discharging circuit, the lithium battery charging and discharging electric quantity detection circuit is connected between the MCU processing circuit and the lithium battery charging and discharging circuit. According to the invention, useless power consumption can be reduced, the energy-saving effect is enhanced, and the method can bewidely applied to the field of LED control.

The invention relates to the field of building equipment, in particular to a building waste crushing device. The building waste crushing device mainly comprises a vertical material distributing channel; the middle portion of the material distributing channel is provided with a material distributing screen roller; and thick and large waste is guided into a thick material crushing device to be crushed by the material distributing screen roller, and thin waste is guided into an intermediate material crushing device to be crushed. The building waste crushing device aims to solve the problems thatin the prior art, the device is used for crushing large waste and small waste in different crushing ways and means, and therefore the crushing efficiency is greatly improved, and the crushing effect is optimized. Products after crushing by the building waste crushing device can be applied to various recycling in building engineering.

The invention relates to steel plate bending equipment which comprises a male die, a first downward pressing mechanism, a second downward pressing mechanism and a base. The first downward pressing mechanism comprises a first moving frame, a first air cylinder and a first manipulator; the first moving frame is slidably mounted on a first track; the first air cylinder is mounted on the first movingframe; the first manipulator is connected with the first air cylinder; and the first air cylinder is used for driving the first manipulator to move up and down. The second downward pressing mechanismcomprises a second moving frame, a second air cylinder and a second manipulator. According to the steel plate bending equipment, the two opposite sides of a to-be-bent steel plate are clamped throughthe first manipulator and the second manipulator, then the first air cylinder and the second air cylinder drive the first manipulator and the second manipulator to pull the two opposite sides of the to-be-bent steel plate to be downwards bent, in this way, only the first air cylinder and the second air cylinder need to provide traction force for downward bending of the two ends of the to-be-bent steel plate, stress in the steel plate bending process is simplified, idle work is advantageously reduced, and the kinetic energy utilization efficiency is improved.

The invention discloses a method for establishing a heat source model for laser-arc hybrid welding, By establishing the geometric model of the workpiece and meshing the geometric model, the welding heat source model is established by adopting the method of fine meshing near the welding seam and coarse meshing far away from the welding seam, considering the material properties, loading the laser volume and Goldak combination of heat source, setting the boundary conditions of the model, and calculating and solving. Comparing the simulated welding seam cross-sectional morphology with the actual welding seam cross-sectional morphology, the similarity between the simulated welding seam cross-sectional morphology and the actual laser-composite welding seam cross-sectional morphology reaches morethan 91%, and the laser-composite welding seam cross-sectional morphology can be solved. In the simulation of arc hybrid welding, it is difficult to redevelop the heat source and to apply it in engineering practice.

The invention discloses a four-classification buried multifunctional garbage can which comprises a foundation pit formed in the ground, throwing boxes, a lifting platform, a frame, a bottom frame, hydraulic cylinders and garbage can bodies. The lifting platform and the frame are connected together in a welded mode, and the lifting platform and the bottoms of the throwing boxes are welded together;and the garbage can bodies are evenly placed under a square hole of the lifting platform, and the garbage can bodies are placed on the frame. A square hole is formed in the bottom of each throwing box; and the left sides and the right sides of the frame and the bottom frame are connected through the two hydraulic cylinders. The garbage can is automatically lifted to the ground by controlling thehydraulic cylinders, sanitation workers do not need to manually take out the garbage can, the garbage can is convenient to replace, the problem that the garbage can is difficult to clean is solved, arrangement of special transportation equipment of the garbage can is not needed, and meanwhile the automation degree is improved; and the four classification garbage can bodies are arranged in the four-classification buried multifunctional garbage can, classification variety diversification is improved, the technical problem that the garbage utilization rate is low is solved, and recyclable garbageis generated.