14results about How to "Avoid hard collision" patented technology

This invention relates to the field of wastewater treatment, specifically a wastewater treatment device, including an electrolytic cell with an electrolysis assembly installed on it; it also includes a centrifugal sedimentation mechanism and a reciprocating stirring mechanism, which cooperate with each other; the centrifugal sedimentation mechanism includes a centrifuge cylinder with a turbine installed on it, and a rotation drive assembly installed on the bottom outer wall of the electrolytic cell; the reciprocating stirring mechanism includes a connecting frame with several rotating tubes connected to it, the bottom of which is connected to a stirring rod via a mounting base; a drive gear placed on the rotating tubes; and a rack and pinion reciprocating frame meshing with the drive gear. This invention utilizes the centrifugal sedimentation mechanism and the reciprocating stirring mechanism to achieve rapid sedimentation of impurities in wastewater, and the precipitated wastewater solution is discharged into the electrolytic cell through the top opening of the centrifuge cylinder for electrolytic sedimentation, thus facilitating rapid sedimentation of wastewater.

The utility model relates to the field of integrated stove accessories, and particularly discloses a volute filter screen of an integrated stove, which is fixed at an air inlet of a fan volute of the integrated stove and comprises an oil guide cover protruding from the periphery to the middle, the oil guide cover protrudes towards the outside of the fan volute of the integrated stove, and a plurality of long air guide holes are distributed in the oil guide cover along the circumferential direction. The air guide hole is bent into an arc shape in the rotating direction of the integrated cooker fan, and the air inlet face of the air guide cover is located on the edge of one side of the air guide hole and provided with a guide edge inclining in the air inlet direction. The oil fume can be guided into the fan volute of the integrated cooker in a spiral shape, noise is reduced, wind power is increased, and meanwhile collision, fusion and sedimentation of oil dirt particles are facilitated.

This invention relates to the field of wastewater treatment technology, and in particular to a circulating water treatment system and method for a high-density sedimentation tank. The system includes a tank body with a top plate fixedly installed on its upper surface. A mixing zone and an inclined tube sedimentation zone are respectively arranged at the front and rear of the inner side of the tank body. A guide tube is fixedly installed between the mixing zone and the inclined tube sedimentation zone. A drive shaft is installed on the inner side of the guide tube via a drive mechanism. A guide vane is fixedly installed at the lower end of the drive shaft. A defoaming disc is fixedly sleeved on the outer surface of the drive shaft, near the top of the guide tube. This invention achieves efficient defoaming and flow stabilization through rotating defoaming ribs and a lower arched surface, preventing sludge from floating. Simultaneously, it automatically switches the rotation state of the defoaming ribs based on changes in liquid level, performing synchronous defoaming during normal operation and automatic relative rotation for self-cleaning during maintenance. This significantly improves sedimentation efficiency and reduces maintenance difficulty.

The utility model provides a transmission assembly, relates to the field of couplings, and adopts the technical scheme that the transmission assembly comprises an output shaft and an input shaft, the end part of the output shaft is provided with a half coupling I, the end part of the input shaft is provided with a half coupling II, and the half coupling I can be combined with and separated from the half coupling II; the pull rod mechanism is connected with the half coupling I and can drive the half coupling I to move along the output shaft; the supporting plate is arranged on one side of the first half coupling, and the output shaft rotatably penetrates through the supporting plate; the reset spring is arranged between the supporting plate and the first half coupler, and the output shaft is sleeved with the reset spring. The power transmission device is convenient to operate, and transmission and disconnection of power can be conveniently controlled.

This application discloses a high-precision floating reset measuring device end, relating to the field of measuring device technology. It includes an elastic component, a tool holder, a measuring head, and a measuring rod. The tool holder has an inner cavity for mounting the measuring rod, with a horizontal sliding gap between the measuring rod and the cavity. The measuring head integrates a conical depth measuring component and an inner hole measuring component. A ball-and-socket positioning structure is provided between the bottom of the first elastic structure and the top of the second elastic structure. The ball-and-socket positioning structure includes a ball-and-socket groove and a ball-head pin for coaxial reset of the measuring head. The technical advantage of this application is that by setting the measuring head with the measuring rod to a horizontally floating state relative to the tool holder, even when the cylindrical workpiece and the tool holder are not coaxially aligned, the measuring head can complete data acquisition while avoiding hard collisions through horizontal displacement during the inspection of cylindrical workpieces. The ball-and-socket positioning structure, with the help of the elastic structure, completes the coaxial reset of the measuring head after floating detection when the measurement ends.

The tool car with the anti-collision function comprises a car body, universal wheels, a storage cavity and a handle frame, the universal wheels are fixedly installed at the four corners of the bottom of the car body respectively, the handle frame is fixedly installed on one side of the upper portion of the car body, the storage cavity is formed in the upper surface of the car body, installation cavities are formed in the periphery of the car body, and the handle frame is fixedly installed in the installation cavities. A plurality of supporting shafts are uniformly and fixedly mounted in the mounting cavity, an anti-collision barrel is detachably and rotationally mounted on each supporting shaft, one half of each anti-collision barrel is located in the mounting cavity, and the other half of each anti-collision barrel is located outside the vehicle body; by means of the overall arrangement, hard collision and hard friction between the periphery of a vehicle body and external objects can be prevented in the using process, so that the vehicle body and the external objects are effectively protected, and unnecessary damage is prevented; and meanwhile, the anti-collision barrel can be independently replaced in the later period, and more convenience and flexibility are achieved.

The invention relates to a high-thermal-conductivity metal-based diamond composite grinding disc, and belongs to the technical field of diamond grinding discs, the high-thermal-conductivity metal-based diamond composite grinding disc comprises a grinding disc assembly and a diamond grinding block arranged on the bottom side of the grinding disc assembly, and the diamond grinding block comprises a grinding block body and a cavity formed in the grinding block body; a blowing structure which extends to the outside of the grinding block main body and is used for rapidly guiding out heat is arranged in the grinding block main body, and an abrasion monitoring structure and a lubricating structure which are in linkage operation with the blowing structure are arranged on one side of the outside of the grinding block main body. The high-thermal-conductivity metal-based diamond composite grinding disc has the advantages that heat conduction and cleaning are efficiently linked, abrasion is accurately monitored and alarmed, the abrasion state is accurately fed back, lubrication monitoring is synchronously linked, and self-adaptive buffering and noise reduction are achieved; the effects of improving the grinding precision, relieving thermal deformation of parts, prolonging the service life of core parts, reducing the maintenance cost and enhancing the running reliability and stability of equipment are achieved.

The application discloses a ladle splash-proof slag device, which is arranged on a ladle car used for placing a ladle, the bottom of the ladle is provided with a sliding plate mechanism, and an oil cylinder bracket is arranged on the sliding plate mechanism; the device comprises a first protection mechanism and a second protection mechanism; the first protection mechanism comprises a fixed protection plate which is fixed to the upper surface of the ladle car; the second protection mechanism comprises a side protection plate and a fixed seat; the fixed seat is fixedly arranged on the oil cylinder bracket, the side protection plate is arranged on the fixed seat through a rotating shaft and can rotate relative to the fixed seat, and the axis direction of the rotating shaft is perpendicular to the loading direction of the oil cylinder; the side protection plate is located at the front of the oil cylinder bracket and is used for blocking molten steel rebounding from the ground of the ladle car. The device can save manpower while blocking the steel slag and the molten steel, and can also meet the use requirements of a robot system.

The present application relates to a kind of preparation method of metallocene polyethylene of wide molecular weight distribution, belong to olefin polymerization catalysis technical field.The preparation method of metallocene polyethylene of wide molecular weight distribution provided by the present application includes the following steps: (1) mixed metallocene catalyst, organic aluminum compound and mixed solvent, heating, and into ethylene is carried out polymerization reaction;The mixed solvent includes organic solvent A and organic solvent B, the organic solvent A is inert alkane or aromatic hydrocarbon, and the organic solvent B is the organic solvent containing polar functional group;(2) after reaction, quenching agent is added to terminate the reaction, washing, filtration, drying, it is finished.The present application uses mixed solvent system, and the use amount and the ratio of two components of mixed solvent are adjusted to realize the adjustment of metallocene polyethylene molecular weight distribution, greatly reduce the requirement of complex bifunctional catalyst, catalyst cost is low, polymerization process is simple, product performance is flexible, and application prospect is wide.

The invention relates to the technical field of injection mold manufacturing, in particular to an optimization process applied to mold manufacturing, which comprises the following steps: S1, blank pretreatment: firstly polishing a rusted area on the surface of a blank, then detecting internal defects by using an ultrasonic flaw detector, and putting the blank which is qualified in flaw detection into a hot air drying box to remove surface moisture; s2, precise milling is conducted, specifically, the blank is milled, after machining is completed, the position and flatness of a datum hole are rechecked through a coordinate measuring instrument, and it is guaranteed that the datum of each batch of semi-finished mold products is unified; and S3, cleaning and conveying are conducted, specifically, scrap iron left after milling is blown away through a high-pressure air gun, then the die is conveyed to an inlet positioning table through a visual guiding conveying line, and the positioning table fixes the die through electromagnetic attraction to prevent deviation. Mould pollution is prevented through automatic cleaning, a clean foundation is provided for follow-up machining, abrasion is reduced through non-contact locking, quenching is guaranteed through precise coating of the mould, double butt joint mechanisms alternately improve efficiency, a clamping plate assists in positioning, and the requirement for batch production is met.

This invention belongs to the technical field of blower air duct technology, and specifically relates to a wastewater purification device. The technical solution is as follows: A wastewater purification device includes a wastewater treatment tank, a wastewater collection pool at the bottom of the wastewater treatment tank, and a wastewater treatment vessel mounted on the upper side of the wastewater collection pool. The wastewater treatment vessel includes, from top to bottom, an ultrasonic flocculation unit, a multi-layer centrifugal separation unit, an electric field-assisted separation unit, a nanomaterial filtration unit, and an effluent collection unit. A pumping pipe connects the bottom of the wastewater collection pool to the ultrasonic flocculation unit. This invention provides a wastewater purification device that can fully purify the wastewater generated during the cleaning of the air purification unit in the air duct of an air blower, avoiding direct discharge that could impact water bodies, soil, and the surrounding ecological environment.

This invention discloses an oil vapor recovery device. The outlet of the heater is connected to the inlet of a vacuum separator via a pipe. The lower outlet of the vacuum separator is connected to a fine filter via a pipe and an oil pump. A cyclone generator is installed at the top of the vacuum separator via a flange. An oil capture structure for oil-water separation is installed inside the cyclone generator. A scraping structure for cleaning the surface of the oil capture structure is installed on the oil capture structure. An adaptive sensing structure for driving its operation is installed inside the scraping structure. After the mixed airflow forms a high-speed rotating and rising cyclone through the action of the guide vanes, strong turbulent shearing is generated due to the reverse rotation of the guide vanes. The fine oil droplets that were not captured in the initial separation cannot follow the rapid change of airflow direction due to inertia and are thrown back to the oil capture structure, realizing secondary capture of oil mist. This greatly improves the capture effect of fine oil droplets and effectively improves the overall oil-water separation efficiency.

The utility model discloses an anti-splashing cooking machine which comprises a first machine body, a second machine body and a machine frame table, the second machine body is arranged on one side of the first machine body, and the machine frame table is arranged on the first machine body and connected with the second machine body. A seasoning machine body is arranged on the first machine body, a feeding machine body is arranged on the second machine body, the seasoning machine body and the feeding machine body are arranged above the rack table at intervals, and the seasoning machine body, the feeding machine body and the rack table form an anti-splashing area; a protection plate used for preventing oil dirt and cleaning water from splashing to the wall is arranged on the anti-splashing area, the left side and the right side of the protection plate are correspondingly connected with the seasoning machine body and the feeding machine body, and the lower end of the protection plate is connected with the rack table. Therefore, the structural strength of the upper part of the cooker is improved, the cooker is assembled more stably, and the service life of the cooker is prolonged; oil stains and cleaning water are prevented from splashing to the wall surface and the surrounding environment, and the cleaning difficulty and the cleaning work intensity of a cooking site are reduced.

This application provides a gear-driven rotating eddy current damper with adjustable damping for building applications. Its outer casing has a limiting guide groove and a guide rack groove on its top and bottom surfaces. The guide rack groove has a rack machined on only one side of its groove wall. The non-rotating component has a support plate in the middle and guide wheels at the top and bottom. The support plate has mounting positions for multiple permanent magnets, and the guide wheels roll into the limiting guide groove. The rotating component includes a transmission rod, a conductor disk in the middle of the transmission rod, and gears at both ends of the transmission rod. The transmission rod is rotatably connected to the non-rotating component, and the gears mesh with the rack. Under external excitation, the non-rotating component can move linearly along the limiting guide groove via the guide wheels, driving the transmission rod to move. When the transmission rod moves, it can drive the conductor disk to rotate and cut the magnetic field lines generated by the permanent magnets through the meshing of the gears and rack, thereby generating an eddy current damping torque. This damper can prevent external contaminants from entering the interior, allows for simple and reliable damping adjustment, and allows for flexible adjustment of its external dimensions.