65results about How to "Avoid affecting the environment" patented technology

The invention discloses polishing equipment for mechanical gear machining. The polishing equipment comprises a supporting frame; a box body is fixedly installed at the top of the supporting frame, anda box door is fixedly installed on a left side plate of the box body; a first electric push rod is fixedly installed at the top of an inner cavity of the box body, a first motor is fixedly installedat the bottom of the first electric push rod, and the first motor is in transmission connection with a grinding disc through a rotary shaft arranged at one end of the first motor; and a supporting seat is fixedly installed at the bottom of the inner cavity of the box body, an oil collecting groove is formed in the middle of the upper surface of the supporting seat, and the two sides of the oil collecting groove are both provided with positioning plates. According to the polishing equipment, second electric push rods, second motors, connection plates, first connection rods and second connectionrods are arranged and cooperate for usage, in the machining process, the two connection plates are pushed to go close to each other through the second electric push rods, then, the first connection rods and the second connection rods are clamped and connected with one another and all can be contracted, and accordingly parts of different sizes can be fixed.

The invention discloses a fragment removing device for textile processing, and the fragment removing device comprises a fragment removing box. A left side plate of the fragment removing box is fixedly provided with a first coiling device, and the bottom of the inner cavity of the fragment removing box is fixedly provided with a waste water tank. The upper side of the waste water tank is provided with two parallel transmission rollers, and the transmission rollers are hinged to the fragment removing box through bearing seats disposed at two ends. The inner wall of the left side plate of the fragment removing box is fixedly provided with a first motor, and the first motor is fixedly provided with a fixed plate through a rotating shaft disposed at one end. One side of the fixed plate is fixedly provided with a fixed rod, and the external surface of the fixed rod is fixedly provided with rubber rods which are arranging in an annular array. The fragment removing device can enable a textile product to pass through the fragment removing box, and can enable the residual fragments on the surface of the textile product to bounce, and a brush scrapes the fragments pasted on the textile product, thereby enabling the fragments to be cleared thoroughly, and preventing the residual fragments on the surface of the textile product from affecting the quality of the product.

The invention discloses polishing equipment for wheel hub machining. The polishing equipment comprises a supporting frame; a polishing box is fixedly installed at the top of the supporting frame, the left side of the polishing box is provided with a notch, and a box door is hinged into the notch through a rotary shaft; a first slide rail is fixedly installed at the top of an inner cavity of the polishing box, a second slide rail is fixedly installed at the bottom of the inner cavity of the polishing box, and a fixing frame is arranged between the first slide rail and the second slide rail; and connection rods are integrally formed at the top and the bottom of the fixing frame, and the two connection rods are both slidably connected with the first slide rail and the second slide rail through connection seats arranged at one ends of the two connection rods correspondingly. According to the polishing equipment, a wheel hub is fixed by using the fixing frame and then is driven to rotate by a motor to be polished without manual control, a large amount of time can be saved, the working efficiency can be improved, in addition, dangers can be avoided, and using is safer.

The invention provides a wind-wave-resistant marine ranching culture device. The wind-wave-resistant marine ranching culture device comprises a culture net, wherein a No.2 rod is fixedly connected tothe outer surface of one side of the culture net; a height regulating rod is arranged on the outer surface of the other side of the culture net; a fixed protection plate is arranged on the outer surface of the back end of the height regulating rod; a wave-resistant device is arranged on the outer surface of one side of the fixed protection plate; and a No.3 rod is arranged on the outer surface ofthe back end of the wave-resistant device. The wind-wave-resistant marine ranching culture device provided by the invention is provided with the wave-resistant device, the height regulating rod and awater bottom protection device, so that the height of the device can be regulated according to the water depth under water level change conditions such as high tide and low tide; in addition, the influence of the wind and waves on the inside environment of the device at wind and wave climates can be prevented; good permeability is realized under the condition of no wind and no wave; animals at thebottom of the device can be prevented from being flushed away in wind and waves, and the influence on the growth of the animals at the bottom of the device is avoided; and better use prospects are brought.

The invention provides a compound fertilizer anti-caking agent. The anti-caking agent is prepared from the following raw materials: fatty acid, fatty alcohol, span-60, dodecyl sulfonate, triethanolamine, phosphate, polyamino acid, nitrification prevention agent and vegetable oil, wherein the length of a carbon chain of the fatty acid and fatty alcohol is respectively 8 to 14. The preparation method of the anti-caking agent comprises the following steps: (1) measuring the raw materials for standby use according to a proportion; (2) mixing the fatty acid and the fatty alcohol, heating the mixture, reacting to obtain a reactant A for standby use; (3) preparing the phosphate; (4) uniformly mixing the reactant A, the phosphate, span-60, dodecyl sulfonate, triethanolamine, polyamino acid, the nitrification prevention agent and the vegetable oil, heating, reacting to obtain the anti-caking agent. The invention also provides compound fertilizer prepared from the anti-caking agent. The compoundfertilizer is obtained in the following steps of uniformly coating the compound fertilizer with the anti-caking agent in a smearing and coating way, wherein the addition amount of the anti-caking agent is 1 to 4 kg / t, and the particle size of the compound fertilizer is 1 to 4.75 mm. The anti-caking agent of the invention is lasting in effect, excellent in performance, environment-friendly, and high in efficiency.

The invention discloses a digging device for agricultural seedling planting, which comprises a digging shaft and a digging sheet, wherein the digging sheet is located at the periphery of the digging shaft, a ruler rod is arranged on one side of the digging shaft, a fixed frame is welded to the top outer surface of the ruler rod, a handrail frame is welded to the outer surface of the rear end of the fixed frame, a protective casing is movably mounted inside the handrail frame, a sound absorbing cotton layer is arranged inside the protective casing, a variable speed motor is fixedly connected tothe bottom inner surface of the protective casing by screws, two fixing rods are respectively arranged on the bottom outer surface of the fixed frame near the edge, and the bottoms of the four fixingrods are rotatably connected with vertical rods. The digging device can be stably supported around the protective digging sheet to prevent inclination, is convenient to move by turning over universalwheels after digging to accurately grasp the digging depth, absorbs noise generated during operation to prevent affecting the environment, blocks the mud splashed when digging, and pushes the soil tofill pits for seedlings.

The invention discloses an automobile part cutting device convenient to operate and relates to the technical field of cutting equipment. The automobile part cutting device convenient to operate comprises a box body. Fixing grooves are formed inside the left side wall and the right side wall of the box body correspondingly. The top and bottom of the inner wall of each fixing groove are fixedly connected through a fixing rod. The top of the side surface of each fixing rod is connected with a lantern ring in a sleeved manner. The bottom of each lantern ring is fixedly connected with the bottom ofthe inner wall of the corresponding fixing groove through a spring, and the opposite sides of the two lantern rings are each fixedly connected with a connecting rod. The automobile part cutting device convenient to operate is provided with the fixing grooves, the fixing rods, the lantern rings and the springs; force is applied to the lantern rings; the lantern rings can move up and down along thefixing rods; when no external force is applied, the springs in the compressed state drive the lantern rings to return to the original positions, and workers can control the cutting position of an automobile part conveniently; and work efficiency of the workers is improved. The automobile part cutting device is provided with a cutting outer shell.

The invention belongs to the technical field of air conditioners and aims to solve the problems that the temperature of air discharged from an existing indoor unit of an air conditioner is not distributed uniformly and a user is easily blown straightly. For the purpose, the invention provides an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises a housing and a rotary air guide mechanism which is arranged on the housing; the housing is provided with an air outlet; the rotary air guide mechanism is arranged at the air outlet; the rotary air guide mechanism is configured to rotate to a first position when the air conditioner executes a refrigeration mode so that the air discharged from the indoor unit can be guided out upwards, rotate to a second position when the air conditioner executes a heating mode so that the air discharged from the indoor unit is guided out downwards and rotate to a third position when the air conditioner executes a straight-blow-preventing mode so that the air discharged from the indoor unit is guided out after being divided up and down. According to the indoor unit provided by the invention, when the air conditioner is in a refrigeration mode or in a heating mode, the temperature of discharged air is distributed uniformly; moreover the user can make the air conditioner execute a straight-blow-preventing mode when the useris close to the indoor unit, so the user is prevented from straight blowing and is prevented from feeling uncomfortable.

The invention discloses a molecular sieve catalyst and a preparation method thereof. The preparation method comprises the following steps: S1, preparing a molecular sieve precursor solution by using an aluminum source, a silicon source, a phosphor source and template agent as materials through a hydrothermal method; S2, directly mixing molecular sieve filter cakes obtained by filtering and washing the molecular sieve precursor solution with water, grinding the mixed solution to obtain molecular sieve sizing agent, adding ingredients to the molecular sieve sizing agent for continuously grinding for 2-4 hours to obtain a molecular sieve catalyst semi-finished product; and S3, drying, pelleting and roasting the molecular sieve catalyst semi-finished product to obtain the molecular sieve catalyst. According to the preparation method disclosed by the invention, the steps of drying and high-temperature roasting and activating after the washing and filtering of the molecular sieve sizing agent are reduced; the problems that the product yield is reduced and the environment is affected when the landing powder is much at the charging and discharging steps of the high-temperature roasting process are avoided; and the problem that the sizing agent is difficult to grind as the molecular sieve catalyst semi-finished product is easy to agglomerate after the roasting is also solved. Moreover, the quality and the performance of the finished product molecular sieve catalyst are ensured while the production process is optimized.

The invention discloses a cutting device for machining, which is convenient for positioning and cutting. It comprises a support frame, a protective shell is fixedly installed on the top of the support frame, a first chute is opened on the upper surface of the support frame, and a cutting device is arranged on the upper side of the support frame. plate, the first chute is slidably connected to the cutting board through the first sliding block provided in it, the inner wall of the top plate of the protective shell is fixedly installed with a first electric push rod, and the bottom of the first electric push rod is fixedly installed with a connecting seat, connecting Both ends of the seat are fixedly installed with connecting plates. In the present invention, the distance between two adjacent fixed plates can be adjusted during processing by arranging a second electric push rod, two motors installed in opposite directions, and fixed plates distributed at equal distances, and simultaneously through a plurality of fixed plates By fixing the material, it is convenient to control two motors to work at the same time, and it is convenient for people to cut to a fixed length, which can avoid the shaking of the material, and the use is more flexible and convenient.

The invention discloses a grinding device for valve machining. The grinding device comprises an operation table, a gear, a second threaded hole, a pressing device, a dust suction cover and a spray head, wherein first motors are arranged on the left side and the right side of the operation table; a threaded rod penetrates through the lower ends of supporting tables; connecting pieces are arranged in the middles of the inner side surfaces of the supporting tables; the gear is arranged on a fixing sleeve on the right side; the gear is connected with a second motor through a gear set; the second threaded hole is formed in the inner side surface of the supporting table; the dust suction cover is mounted at the upper end of the supporting table on the left side; the spray head is mounted at theupper end of the supporting table on the right side; a supporting frame is arranged in the middle of the upper surface of the operation table; and a mounting plate is arranged below a third motor. According to the grinding device for valve machining, the supporting tables can move left and right under the action of the first motors and the threaded rod, so that the distance between the supportingtables on the two sides can be conveniently adjusted, and after the fixing sleeve or the pressing device is selected to be mounted, valve rods or valve bodies with different sizes can be convenientlyfixed.

The invention belongs to the technical field of wet tissue equipment, and particularly relates to a wet tissue disinfectant spraying and recycling treatment device. The wet tissue disinfectant spraying and recycling treatment device comprises supporting legs, wherein a disinfectant barrel, a transporting box and a squeezing box are fixedly connected to the upper surfaces of the supporting legs respectively; a liquid outlet pipe fixedly communicates with the bottom of the disinfectant barrel; a first valve is fixedly connected to the surface of the liquid outlet pipe; an inlet liquid sealing door is hinged to the top of the disinfectant barrel; a liquid inlet pipe fixedly communicates with the surface of one side of the disinfectant barrel; a second valve is fixedly connected to the surfaceof the liquid inlet pipe; a transporting device is arranged on one side of the transporting box; the transporting device comprises a power box; a spraying device is arranged at the top of the power box; the spraying device comprises a fixing plate. Through arrangement of a recycling device, comprising a recycling box, at the bottom of the transporting box, the wet tissue disinfectant spraying andrecycling treatment device achieves the effect of avoiding cost waste due to recyclability of an excess remaining effect solution for processing.

The invention discloses a cleaning device for grain processing, comprising a support frame, a cleaning box is fixedly installed on the top of the support frame, a feeding hopper is fixedly installed on the top of the cleaning box, and a cleaning box is installed on the left side of the cleaning box. A material storage box, the top of the material storage box is fixedly equipped with a material delivery device, the bottom of the material delivery device extends to the inside of the material storage box and is fixedly installed with an induced draft fan, the top of the material delivery device is connected to the feeder The bucket is fixedly connected, and a first motor is fixedly installed on one side of the cleaning box. The invention can pour the crops into the storage box when the crops are cleaned, and then directly transport the crops into the cleaning box through the feeding device, which saves time without manual handling. There is a bellows, which can screen the crops before pouring them into the cleaning tank, and remove the doped shells in the crops. The functions are more diverse, and the use is more flexible and convenient.

The invention provides an agricultural fruit, vegetable and crop cleaning machine which comprises five groups of discharging chutes, a primary screening plate, a secondary screening plate and a tertiary screening plate. A cleaning motor is fixedly mounted in the middle of a top cover, the lower end of the cleaning motor is connected with a rotating shaft through a coupler, a feeding hopper is penetratingly arranged on one end side of the top cover, the five groups of discharging chutes are annularly arranged on the inner side of a cleaning cavity, and a storage drawer is arranged at the lowestend of the outer side of each discharging chute. The top end face of each of the primary screening plate, the secondary screening plate and the tertiary screening plate is provided with five groups of semicircular slide grooves, one side of each retaining block is provided with two groups of oblique slide groove obliquely and downwardly facing the semicircular slide grooves, discharging pipes identical in diameter are connected to bottom ends of primary screening holes, and discharging pipes identical in diameter are connected to bottom ends of secondary screening holes. By arrangement of fruit screening devices, fruits in different sizes roll into the storage drawers through the different discharging chutes; since cleaning and screening are both performed in a drum, water for cleaning can be prevented from splashing outwards.

The invention provides a temperature fast sensing probe. The temperature fast sensing probe comprises a high temperature-resistant package head assembly, a temperature measuring assembly, an aluminumnitride ceramic chip, a spring and a fixing block. The fixing block sleeves the temperature measuring assembly. The spring along the length direction of the temperature measuring assembly is installedbetween the temperature measuring assembly and the fixing block. The aluminum nitride ceramic chip is pasted to the top wall of the inner hole of the head of the temperature measuring assembly. The head of the high temperature-resistant package head assembly is located in the inner cavity of the temperature measuring assembly and is pasted to the aluminum nitride ceramic chip in the inner hole ofthe temperature measuring assembly. The tail of the high temperature-resistant package head assembly is connected to a connection assembly. The head of the high temperature-resistant package head assembly is fixed to the inner cavity of the temperature measuring assembly through high temperature-resistant sealing glue. The invention also provides an electromagnetic oven. The electromagnetic ovencomprises an oven body, a microcrystalline panel and the temperature fast sensing probe. The temperature fast sensing probe has the advantages of fast and real sensing, simple assembling, convenient assembling and disassembling, high temperature resistance and low production cost.

The invention discloses polishing equipment for wheel hub machining. The polishing equipment comprises a supporting frame; a polishing box is fixedly installed at the top of the supporting frame, the left side of the polishing box is provided with a notch, and a box door is hinged into the notch through a rotary shaft; a first slide rail is fixedly installed at the top of an inner cavity of the polishing box, a second slide rail is fixedly installed at the bottom of the inner cavity of the polishing box, and a fixing frame is arranged between the first slide rail and the second slide rail; and connection rods are integrally formed at the top and the bottom of the fixing frame, and the two connection rods are both slidably connected with the first slide rail and the second slide rail through connection seats arranged at one ends of the two connection rods correspondingly. According to the polishing equipment, a wheel hub is fixed by using the fixing frame and then is driven to rotate by a motor to be polished without manual control, a large amount of time can be saved, the working efficiency can be improved, in addition, dangers can be avoided, and using is safer.

The invention discloses multi-functional automatic grinding equipment. The multi-functional automatic grinding equipment comprises a pedestal, a transmission device, transmission shafts, friction belts, struts, rotating devices, a motor, a telescopic rod, a lifting rod and a machining part; the transmission device is arranged on the pedestal; the upper and lower sides of the front surface of the transmission device are each provided with a corresponding first transmission shaft; the two first transmission shafts are each provided with the corresponding first friction belt; the right side surface of the transmission device is provided with the two struts; second transmission shafts are correspondingly arranged at the left sides of the two struts; the two second transmission shafts are eachprovided with a second friction belt; the top end center of the transmission device is provided with a first rotating device; the motor is arranged at the upper end of the first rotating device; the front end of the motor is provided with the telescopic rod; the lifting rod is arranged at the front end of the telescopic rod; a second rotating device is arranged at the bottom end of the lifting rod; an electric permanent magnetic sucking disc is arranged at the bottom end of the second rotating device; and the machining part is arranged at the bottom end of the electric permanent magnetic sucking disc. The multi-functional automatic grinding equipment is reasonable in design and high in automation degree.

The invention discloses an automatic machining position for auto part machining. The automatic machining position comprises a bottom plate. The two sides of the upper surface of the bottom plate are both fixedly provided with supporting rods. A supporting plate is fixedly mounted on the tops of the supporting rods. The upper surface of the bottom plate is provided with first sliding grooves. The upper side of the bottom plate is provided with bearing plates. The first sliding grooves are slidably connected with the bearing plates through first sliding blocks arranged in the first sliding grooves. The left side of the upper surface of the supporting plate is fixedly provided with a first fixed plate. The left side face of the first fixed plate is fixedly provided with two first hydraulic cylinders. A first hydraulic rod of one side of each first hydraulic cylinder penetrates through the first fixed plate and extends to the right side of the first fixed plate. The automatic machining position integrates molding and machining of parts, directly conveys molded parts onto a supporting frame for machining and automatically grabs the parts through a mechanical hand without manual handling, and the consumed part transfer time can be saved. Accordingly, the working efficiency can be improved, and more profits can be generated.

The invention discloses a method for preparing a multiphase composite catalyst based on sludge treatment. The method comprises the following steps: adding a metal salt into wet sludge, stirring, standing, adding persulfate, and carrying out a hydrothermal reaction at the temperature of 120-250 DEG C; cooling after the hydrothermal reaction is completely finished, separating the solids, washing, and drying, thereby obtaining the multiphase composite catalyst. The invention also discloses a catalyst product prepared by the method as well as an application method of the product in treatment of dye wastewater. When the multiphase composite catalyst disclosed by the invention is used for treating the dye wastewater, the operation is simple, only the product is needed to be directly added into a solution containing the dye wastewater, an Oxone catalyst is added, a stirred reaction is carried out under room temperature conditions, so that the catalytic degradation process can be finished. The catalyst is environmental friendly and low in cost and has industrialized application prospects.

The invention discloses an anti-leakage electric garbage removing vehicle, which comprises a garbage removing container (1) and a garbage removing container base plate (2), and is characterized in that: a Z-shaped groove (3) is formed on the garbage removing container base plate (2); a small hole (4) is also reserved on the garbage removing container base plate (2), and is communicated with the groove (3); and the lower part of the garbage removing container base plate (2) where the small hole (4) is positioned is provided with a water tank (5). In the device, water which is mixed in the garbage falls down into the Z-shaped groove of the container base plate, flows to the small hole along the groove, and then falls down into the water tank, so that the problem that the water flows to a road surface through a crack of the garbage removing container to pollute the environment is solved; and after the garbage is dumped, the water in the water tank (5) is poured. The anti-leakage electric garbage removing vehicle has the advantages of simple operation and good anti-leakage effect.

The invention relates to a solid waste landfilling method. Through paving the driving rod surface of a to-be-landfilled area, the waste safety during the transporting process is ensured; in addition,after transporting the waste, an unloading site and a motor vehicle are timely cleaned to ensure the transporting safety; and moreover, layered landfilling operation is adopted to ensure landfilling safety of the interior waste, so that the surrounding vegetation and ecological environment are ensured, and the human water and human health and safety are also ensured.

The invention relates to the field of electromechanical engineering, in particular to an environment-friendly transportation device applied to electromechanical engineering. The technical problem of the invention include that residual methyl silicone oil in a condenser pipe in a liquid cooling plate flows out and will stick to the surface of a conveyor due to vibration, inclination and other actions in the process of transporting the liquid cooling plate. According to the technical scheme of the invention, the environment-friendly transportation device applied to electromechanical engineering comprises a chassis and a carrying system; and the rear portion of the upper side of the bottom plate is connected with the carrying system for carrying the blocked liquid cooling plate to the conveyor belt. A positioning system is designed, positioning and clamping of the liquid cooling plate are realized, and the environment-friendly transportation device is convenient for the blocking system to accurately block a condenser pipe orifice in the liquid cooling plate.

The invention belongs to the technical field of air conditioning, and aims to solve the problems that an existing refrigerant leakage detection scheme has certain hysteresis quality, and real-time detection of a whole pipeline system cannot be achieved. The control method comprises the steps that the actual pressure drop of a main pipeline, the actual pressure drop of an outdoor unit and the actual pressure drop of each indoor unit are obtained, and the actual pressure drops are compared with respective theoretical pressure drops; and if the actual pressure drop of the main pipeline is larger than the theoretical pressure drop of the main pipeline and the situation lasts for set time, or the actual pressure drop of the outdoor unit is larger than the theoretical pressure drop of the outdoor unit and the situation lasts for set time, or the actual pressure drop of any indoor unit is larger than the theoretical pressure drop of the indoor unit and the situation lasts for set time, it can be determined that refrigerant leakage happens to the multi-split air conditioning system. According to the control method, the pipeline of the multi-split air conditioning system can be detected in all directions in real time, detection lag is avoided, and the operation safety of the multi-split air conditioning system is improved.

The invention discloses an automatic cleaning device of a breeding shed for fragrant pigs. The automatic cleaning device comprises a bottom plate and a garbage storage box; supporting plates are arranged at a front end and a rear end of a lower surface of the bottom plate, bearing wheels are rotatably connected to outer side faces of the two supporting plates in a linear array mode, the bearing wheels on a same side are in a transmission connection through a crawler belt, chain wheels are arranged at end parts of main shafts of the bearing wheels on a right side, motors are arranged at a frontend and a rear end on a right side of an upper surface of the bottom plate respectively, shaft chain wheels of the motors are in a transmission connection with the end chain wheels of the corresponding bearing wheels through chains, and through grooves corresponding to the chains are formed in the front end and the rear end of the right side of the upper surface of the bottom plate; and a compression pump is used for pumping excrement and garbage entering a material hopper, compared with an existing sweeping type collection, water consumption can be reduced when the excrement and the garbageare collected, a waste of water resources is avoided, a solid-liquid separation can be conducted on the garbage through the device, and a situation that the garbage is discharged in a mixed mode and pollutes the environment is avoided.

The invention discloses a cleaning device for processing Chinese herbal medicines. The cleaning device comprises a cleaning box. A drying box is arranged on the right side of the cleaning box, and a connecting cylinder is fixedly installed between the cleaning box and the drying box. A support frame is arranged on the left side of the cleaning box, and the right end of the support frame sequentially passes through the cleaning box, the connecting cylinder and the drying box and extends to the right side of the drying box. Rollers are hinged to both ends of the support frame, and the outer surfaces of the rollers are sleeved with a conveyor belt. A motor is arranged on the left side of the support frame, and a rotating shaft of the motor is connected with one of the rollers in a transmission mode through a belt. Through the match usage of the conveyor belt, the cleaning box and the drying box, the medicines are placed on the conveyor belt during processing and then cleaned by a first water pump; and the medicines are prevented from falling by arranging a protective cover, after cleaning, the medicines are dried through the drying box, the cleaning is more clean and thorough, a largeamount of time can be saved, and improvement of work efficiency is facilitated.

The invention relates to the technical field of tightening devices, in particular to a compact multi-channel bottle cap tightening device. The compact multi-channel bottle cap tightening device comprises a sealing shell, a fixed-torsion tightening transmission mechanism, a guide supporting column and a built-in motor driving mechanism, wherein the fixed-torsion tightening transmission mechanism isarranged in the sealing shell, a plurality of sets of driving shafts are arranged in the fixed-torsion tightening transmission mechanism, clutch devices are fixedly arranged in the middles of the inner parts of the driving shafts, compression springs are fixedly arranged at the portions, close to the upper ends of the clutch devices, of the driving shafts, synchronous wheels are fixedly installedat the middles of the outer parts of the driving shafts, quick-change tightening heads are fixedly arranged at the lower ends of the driving shafts, and the low parts, close to the driving shafts, ofthe quick-change tightening heads are fixedly provided with axial motion seals of the quick-change tightening heads. The independent seal design in the tightening device realizes the motion seal of each tightening shaft; and a fine-tooth thread limiting seat realizes quick replacement of the tightening heads so as to be suitable for operation of consumable switch covers of different specifications and types, and the flexibility requirement of automatic cultivation equipment can be effectively met.

The invention discloses an intelligent identification device for electronic commerce, and relates to the field of electronic commerce. The intelligent identification device comprises a shell and an X-ray detector. The X-ray detector is fixedly installed on the inner side wall of the shell, a goods inlet and a goods outlet are formed in the two opposite side walls of the shell in a penetrating mode respectively, and a conveying roller is rotatably connected to the side wall of the goods outlet; a conveyor belt is arranged on the side wall of the conveying roller in sleeving mode; through cooperative use of the conveying belt, a first rotating gear, a second rotating gear, a third rotating gear, a rotating rod and a brush, when the conveying belt conveys goods into the shell to be detected and recognized, clamping teeth on the conveying belt can drive the first rotating gear to rotate; and a third rotating gear is indirectly driven to rotate so that the brush on the rotating rod continuously brushes the surface of the conveying belt, chippings, dust and other impurities adhering to the surface of the conveying belt can be cleaned and brushed down from the conveying belt, a function of automatically cleaning the conveying belt is achieved, manual cleaning is not needed, and convenience and rapidness are achieved.

The invention relates to the technical field of ward medical containers, in particular to a sputum container for preventing pathogen transmission in a ward, which comprises a hollow shell, a sputum collecting mechanism for absorbing sputum by using paper is arranged in the shell, a guide mechanism is arranged below the sputum collecting mechanism in a connecting way, and the guide mechanism is positioned below an opening correspondingly; a transmission mechanism is arranged below the guide mechanism, and a storage mechanism is arranged below the transmission mechanism; the sputum collecting mechanism comprises roll paper arranged on the two scrolls respectively, and the roll paper converges oppositely from the two sides to the middle, then is guided to the conveying mechanism through the guiding mechanism and enters the storage mechanism through the conveying mechanism; and a disinfection mechanism is arranged above the guide mechanism. The sputum container can store sputum in a sealedmode, and diffusion of germs in the sputum is avoided.

The invention relates to a suspended feeding aquaculture device. The suspended feeding aquaculture device includes a suction machine, a transmission pipe, a fixed cover and a feeding ball; device, the water outlet end of the suction machine is arranged in the pool body; the fixed cover is symmetrically distributed on the outer circumference of the feeding ball, a filter screen is installed on the front end of the fixed cover, and a permanent magnet is embedded in the filter screen; The feeding ball includes a hollow reticulated shell, and feed particles are filled in the reticulated shell; permanent magnet blocks repelling the same polarity as the permanent magnet sheet are embedded on the reticulated shell; the aquaculture device The structure is novel and the principle is unique. It can keep the feed floating in the water body for a long time, which is convenient for fish fry to prey, effectively avoids seedling impact and injury, effectively improves the survival rate of seedlings, and at the same time reduces feed siltation at the bottom of the pond, effectively improving the water environment and aquatic product quality.

The invention discloses a flat polishing machine for wafer processing. The flat polishing machine structurally comprises a workbench, a polishing seat, a top plate and a button, the bottom of the polishing seat is embedded and fixed on the upper surface of the workbench, the top plate is arranged right above the workbench, and the button is embedded and fixed on the upper surface of the top plate.The flat polishing machine has the beneficial effects that a cut wafer is placed on the polishing seat, a rotating block is rotated to drive a screw rod to rotate, so that a polishing knife polishesthe flat of a wafer, an air exhauster is started to upwards suck burrs removed and discharged in the polishing process into a storage barrel, when the air exhauster stops working, a baffle is closed to prevent the burrs from falling out to influence the environment near the polishing machine, the air exhauster is started to drive a rotating rod to rotate, the rotating rod drives a polishing blockto rotate, so that a brush rubs with the surface of the wafer to remove the burrs on the plat of the wafer, polish and grind the burrs, meanwhile, the cut burrs are shoveled up by an inclined scraper,so that the burrs are sucked into an isolation cavity conveniently, and are prevented from splashing everywhere due to the fact that the polishing block throws out the burrs.