180results about How to "Easy to cooperate" patented technology

The invention discloses a rectangular vacuum insulation structural board and a heat preservation box assembled by the rectangular vacuum insulation structural board. According to the structural board, a vacuum insulation board is arranged between a rigid inner side face board and a rigid outer side face board which are identical in size through polyurethane (PU) expanded plastics or other insulated adhesives in a clamping mode, side edge strips are not arranged on the periphery between the inner side face board and the outer side face board. According to the heat preservation box, a rectangular box frame is formed by four rectangular angle connecting blocks, eight seamed edge section bars and four box opening section bars. The bottom of the box frame and four side faces of the box frame are respectively provided with rectangular vacuum insulation structural boards, and a box body with an opening at the upper end is formed. A rectangular ring-shaped door sealing strip is arranged on the periphery of the opening of the box body in a sleeved mode, and four sides of the rectangular ring-shaped door sealing strip are provided with magnet strips. A rectangular vacuum insulation structural board forms a door board which is buckled on the opening of the box body and seals the opening of the box body, wherein four sides of the rectangular vacuum insulation structural board are provided with edge sealing section bars, a steel board strip is arranged on the surface, facing the box body, of each edge sealing section bar of the door board, and each steel board strip is absorbed with each magnet strip corresponding to the door sealing strip. The rectangular vacuum insulation structural board is good in rigidity, high in appearance size precision, good in decorative performance and convenient to assemble and install.

The present invention discloses a fluent metal electrical flow meter, including a metal pipe two sides of which are provided with a magnetic steel separately and symmetrically, when the fluent metal medium of the metal pipe is flowing, the metal pipe will generate an induced electromotive force, conductors is fetched from and is electrically connected with various electric potential face of the metal pipe lateral wall, and the access electrical signal transforms, amplifies and processes a system. The high-temperature magnetic steel made of special alloy is capable of bearing a higher temperature; a measuring point is welded on a cross section of the fluent metal pipeline external wall; and the actual flux size of the fluent metal is obtained by the magnetic induction electromotive force of the measuring point through a signal processing system. The fluent metal electrical flow meter may be used for fluent metal flow measurement of a industry field high temperature and high voltage circumstance widely.

The invention discloses a simple abutting device comprising an abutting cone, an abutting port base, a guiding cylinder and a self-locking mechanism, wherein the abutting port base is connected with the guiding cylinder; the guiding cylinder is matched and docked with the abutting cone; the abutting cone is fixed, locked and jointed by the self-locking mechanism fixedly arranged on the abutting port base, and the whole abutting cone after being docked is shaped like an evolution body, thus, the strength at high pressure is ensured. The abutting device provided by the invention is rapid and convenient to dock and can be applied to the abutting in various occasions; one or more connecting devices are connected through the matching of abutting ports of the abutting device to achieve the aim of working, the connected abutting device can be separated automatically, and the simple abutting device is convenient and flexible in mounting and wind is application range. The abutting device is simple in manufacturing, lower in cost and safe and reliable in use. When being applied to some special industries, the abutting device can be conveniently used through simple mounting, is not influenced by a working environment and is good in durability.

Aiming at achieving the technical aim of efficient high-quality finishing and flexible control over a complex surface, the invention discloses an automated magnetic field-aided finishing machining device and method. The device comprises an industrial robot, an industrial vibrating motor, a novel finishing machining device, a workpiece clamping device and a triaxial precision displacement worktable; the novel finishing machining device comprises a magnetic field generating device, a fixed plate, a connecting plate, guide screws and a connecting rod; the magnetic field generating device comprises linkages, guide rods, a magnet yoke, lead screws, handles, nuts, bolts, four magnetic poles and magnetic pole sleeves; by the industrial robot, multi-degree of freedom flexible regulation is realized, and automated finishing machining on workpieces different in surface profile can be completed; under the vibrating combined action of the industrial vibrating motor, finishing machining efficiencycan be increased; and feature surfaces of different workpieces can be regulated by angles of the magnetic poles of the novel finishing machining device. The device and method are capable of breaking through the limitation of finishing machining on the complex surface by the traditional method, and therefore, efficient high-quality flexible automated finishing machining is realized.

The invention discloses a quantitative liquid fetching device. The quantitative liquid fetching device comprises a liquid fetching device suction tube, wherein the upper end of the liquid fetching device suction tube is inserted into an overflow liquid vessel, the volume of a tube cavity of the liquid fetching device suction tube is matched with a target fetched liquid volume value, and the overflow liquid vessel is provided with a negative pressure generating device which can enable the interior of the overflow liquid vessel to be in negative pressure, and a pressure relief opening which can enable the negative pressure inside the overflow liquid vessel to disappear. According to a method disclosed by the invention, accurate liquid fetching can be carried out without setting accurate negative pressure, so that the selection of the negative pressure generating device is diverse, and the cost is relatively low. The quantitative liquid fetching device disclosed by the invention is particularly suitable for being applied to soil composition testing experiments. According to the method disclosed by the invention, the accurate liquid fetching can be carried out without setting the accurate negative pressure, so that the selection of the negative pressure generating device is diverse, and the cost is relatively low. The quantitative liquid fetching device has the advantages that the structure is simple, the cost is low, the high-accuracy quantitative liquid fetching is realized in the case that users have no need of observing scales of the liquid fetching device, and the cooperation with an automatic device is facilitated.

The invention discloses a separated type weight balancing device, relates to a weight balancing device, and aims to solve problems that the balance weight mass is difficult to guarantee by means of a conventional weight balancing device, and a balance weight is difficult to mount and transport when the mass is large. A balance weight lead core is mounted in a balance weight container, a balance weight container cover is mounted at the upper end of the balance weight lead core, and a plurality of balance weights are stacked at the upper end of the balance weight lead core from bottom to top sequentially; four fixed studs are distributed and arranged on the upper end surface of the balance weight container cover along the same circumference, the lower end of each fixed stud is in threaded connection with the balance weight container cover, and the upper end of each fixed stud penetrates through a plurality of balance weights to be in threaded connection with fixing nuts; a threaded hole is formed in the center of the balance weight container cover, and a groove rightly opposite to the threaded hole is formed in the balance weight lead core; two semi-circle weights of each balance weight form a round plate structure, and a central hole is formed in the center of the round plate; and a lifting bolt is arranged in the central hole and in threaded connection with the threaded hole. The separated type weight balancing device is used for increasing the weight of a mechanism so as to keep balance of the mechanism.

The invention discloses a comb-type bridge expansion joint plate structure and a cleaning device thereof. The comb-type bridge expansion joint plate structure comprises a first beam body, a second beam body arranged on one side of the first beam body, a comb plate supporting plate and a first comb-type expansion joint plate, wherein preformed grooves are formed in the first beam body and the second beam body respectively; an expansion joint is arranged between the first beam body and the second beam body; the comb plate supporting plate is arranged in the preformed grooves; the comb plate supporting plate is fixedly connected with the first beam body and the second beam body through fixing rivets; the first comb-type expansion joint plate is arranged in the comb plate supporting plate; anda second comb-type expansion joint plate is arranged on one side of the first comb-type expansion joint plate. The comb-type bridge expansion joint plate structure achieves the anti-seismic bufferingfunction; the strength of the structure at the expansion joint is improved; accumulated water and dust in the expansion joint are convenient to clean away; the internal structures of the expansion joint are prevented from being affected by the accumulated water; and the problem is solved that the first beam body and the second beam body squeeze each other to cause potential safety risks.

The invention discloses a flexible die for a shield segment. The flexible die for the shield segment comprises a bottom die body, a side die body and an end die body, wherein the cavity for the segment is defined by the bottom die body, the side die body and the end die body, the side die body and the end die body are hinged to the bottom die body and are connected with the bottom die through detachable structures, and positioning water stopping rubber is arranged at the positions where the side die body and the end die body are matched with the bottom die body. By the adoption of the flexible die for the shield segment, disassembly is convenient, the structure is simple, and due to the fact that the side die body and the end die body are in face sealing with the bottom die body in a matched mode, the amount of leaked concrete grout is reduced, cleaning is convenient, precision is guaranteed, and the production efficiency of segments is improved.

The invention discloses a headspace type vacuum oil sample taking method. The method is based on a headspace type vacuum oil sample taking apparatus. The method comprises the steps of installing an oil taking nozzle on an oil outlet of a transformer sampling valve; unscrewing a protective cylinder from a first oil taking valve connected through threads; sleeving a protective cylinder installation hole onto a prism of an oil taking rod; rotating an operation rod on a side wall of the protective cylinder along a hinge shaft to be parallel to a support board; pushing the operation rod to drive the protective cylinder to rotate; pushing a sealing ball by the oil taking rod so as to enable an oil guide hole of the oil taking rod to communicate with a first oil taking hole; enabling an oil sample to flow into the oil guide hole through the first oil taking valve; taking off the protective cylinder; rotating a handle on a second oil taking valve to open the second oil taking valve; and enabling the oil sample to flow out of an oil outlet nozzle through the second oil taking valve. In the method, the protective cylinder is rotated so as to drive the oil taking rod to rotate, maintenance workers can take the oil sample without carrying tools, so that the oil sampling method is easier, faster and more effort-saving; the oil sample can be taken at a constant speed in a relatively vacuum state through two-level sealing and ball valve control.

The invention belongs to the field of pipeline cleaning equipment and particularly relates to a portable pipeline inner wall electric cleaning device. The portable pipeline inner wall electric cleaning device comprises a work assembly, a power controller and a flexible shaft. A special-shaped sheave is fixed to a power input shaft in a sleeving mode, the appearance of the special-shaped sheave is cylindrical, the cylinder surface of the special-shaped sheave is surrounded by a wavy groove part, the waving direction of the groove part is parallel to the axis direction of the special-shaped sheave, and the groove part is of an axial symmetry structure with the axis of the special-shaped sheave as the axis of symmetry. The special-shaped sheave is coaxially sleeved with a cleaning shaft sleeve, a ball containing hole or a ball containing groove is formed in the inner cylinder wall of the cleaning shaft sleeve in a recessed mode, and containing space for containing a ball and enabling the ball to roll is defined by the ball containing hole or the ball containing groove and the groove part jointly. The outer wall of the cleaning shaft sleeve is fixedly connected with a cleaning brush. The device is low in use cost and high in portability, and meanwhile conforms to the operating purposes of high efficiency, automation and the high cleaning effect required by existing pipeline cleaning.

The invention discloses size detection equipment with automatic positioning detection for a clutch pressure plate. The equipment comprises a pressure plate detection table, a pressure plate pushing assembly is embedded, clamped and fixedly mounted in a left interlayer of an inner cavity of the pressure plate detection table, and a pressure plate fixing clamping base is arranged on the right side of the inner cavity of the pressure plate detection table. A parallel sliding assembly is fixedly arranged on an end surface of a back of an oil scale through bolts. A supporting frame and a pressure plate fixing clamping base are fixedly arranged on the surface and in the inner cavity of the pressure plate detection table, and meanwhile a supporting rod and a driven gear are arranged at the bottomof the pressure plate fixing clamping base. A first single-column pneumatic cylinder drives a second rack to generate an acting force on the driven gear so that the pressure plate fixing clamping base is conveniently lifted to the bottom of a measuring claw, and meanwhile, the back end surface of the oil scale is connected with the parallel sliding assembly, and the oil scale can horizontally andrelatively operate on a main scale rod; and therefore, measurement and detection of the size of the pressure plate are facilitated.

The invention discloses a suction-cup-type anti-falling water cup, and relates to the field of water cups. The water cup comprises a cup body and a bottom cover; the bottom of the cup body is providedwith a concave cavity, and the concave cavity is internally provided with a rubber pad; the bottom cover comprises a locker, a suction cup and a base from bottom to top; a third through hole is formed in the radial middle portion of the locker, the top of the locker penetrates through a first through hole of the suction cup and is in threaded connection with a second through hole of the base, andthe suction cup is fixed between the locker and the base; a first lower limit hook is arranged on the upper portion of the base, the concave cavity is internally provided with a second lower limit hook corresponding to the first lower limit hook, and the second lower limit hook defines the lower limit position of the first lower limit hook. According to the water cup, when the water cup is placedon a plane, due to the self-weight of the water cup, the suction cup is pressed downwards to discharge air out through the third through hole and gaps, the cup body moves downwards to make the top ofthe locker in contact with the rubber pad, and a closed space is formed by the suction cup. At this moment, the water cup is unlikely to fall due to the function of the suction cup when the water cupis collided left and right.

The invention discloses a vertical type coal dust corner tube boiler which comprises a burner, a boiler furnace, a high temperature air preheater, a coal economizer, a low temperature air preheater convection tube bundle, an upper collecting box, a top collecting box, a boiler barrel and a lower collecting box. The lower collecting box is arranged at the bottom of a boiler body, and the upper collecting box and the top collecting box are arranged at the top of the boiler body and are communicated through a vapor communicating pipe. The vertical type coal dust corner tube boiler is characterized in that the burner is arranged in the front of the boiler body, the boiler body is of a vertical type tubular membrane type water-cooled wall structure, four down pipes are arranged at four corners, and the down pipes and two ends of the membrane type water-cooled wall are communicated with the upper collecting box and the lower collecting box respectively. The convection tube bundle is arranged on the outer side of the membrane type water-cooled wall, the top of the convection tube bundle is communicated with a hearth smoke outlet, and the bottom of the convection tube bundle is communicated with the high temperature air preheater. The vertical type coal dust corner tube boiler has the advantages that an integral structure is compact, the appearance is arranged simply, an occupied area is small, steel consumption is small, water circulating differential pressure of the boiler is large, and water circulation is safe and reliable, and the like.

The invention discloses a violin learning action corrector, which comprises a landing bracket, telescopic rod assemblies and rotary joints, and is characterized by further comprising a violin learning action corrector. The violin learning action corrector is provided with a left hand action correction device and / or a right hand correction device and / or a fingering training device and / or a tone training device, wherein the left hand action correction device and / or the right hand correction device and / or the fingering training device and / or the tone training device are / is connected with the telescopic rod assemblies; two or more than two telescopic rod assemblies are arranged; and the landing bracket is connected with the telescopic rod assemblies through the rotary joints or the landing bracket is directly connected with the telescopic rod assemblies. The left hand violin holding gesture, the right hand string hand gesture and the posture of a violin learner can be corrected, elbow and wrist angles are regularized, finger holding and string kneading are achieved, the finger force is trained, coordination and regularization between the left hand and the right hand are promoted, a bad violin practicing gesture is overcome, and the student can proficiently master skills such as violin holding, finger holding, string kneading and arm swinging as long as short-term practice.

The invention relates to the technical field of plunger paste production, and provides a plunger paste production line and a production process. The plunger paste production line comprises a rotary conveying device, the rotary conveying device is connected with a gum dipping and drying device, the gum dipping and drying device is connected with a material transferring device, and the material transferring device is connected with a plunger paste assembling device; the rotary conveying device comprises a rotary conveying frame, a rotary chain and a positioning jig; the gum dipping and drying device comprises a gum dipping mechanism, a gum homogenizing mechanism and a drying box body; the material transferring device comprises a material transfer table, a material transfer mechanism and a material taking and placing mechanism; and the plunger paste assembling device comprises an assembling frame, and an axial adjusting type material shaft, a slotting assembly, a satellite type rotating assembly, a finished product taking mechanism and a multi-action material moving mechanism are arranged on the assembling frame. The production process of automatic feeding of plunger paste semi-finished products, gum dipping, drying, transferring, plunger paste assembling and attaching, and automatic discharging and collection of finished plunger paste in the plunger paste production process is achieved, and the plunger paste production efficiency is greatly improved.

The invention relates to a rapid-mounting working head of a multipurpose tool. The rapid-mounting working head of the multipurpose tool is good in rigidity. A fixing unit for to be fixed by the multipurpose tool and a function end which is integrated with the fixing unit or is connected with the fixing unit to form a whole are arranged on the rapid-mounting working head. A fixing hole is formed in the fixing unit of the rapid-mounting working head. A plug hole is formed in the fixing unit of the working head. The inscribed circle diameter of the plug hole is larger than that of the fixing hole. An outer flange of the first multipurpose tool can be axially inserted into and pulled out of the plug hole. The plug hole is communicated with the fixing hole. A fixing piece of the outer flange of the multipurpose tool can pass through a channel from the plug hole to the fixing hole in the radial direction. Besides, the fixing hole of the rapid-mounting working head is closed, and the rapid-mounting working head can be rapidly mounted on the first multipurpose tool.

The invention provides a fully automatic fried bread stick machine, which comprises a prepared material shaping device and a cooking and frying device in matched connection, wherein the prepared material shaping device comprises a coarse cutting device, a fine cutting device and a stretching device in matched connection; the fine cutting device comprises a material rolling device, a fine materialconveying device and a fine cutting cutter in matched connection; the material rolling device comprises a material rolling platform and a material rolling roller acting on a dough rolling platform; the prepared material shaping device uses the coarse and fine twice processing mode, the made dough can be directly cut; through the cutting and pressing integration in the fine cutting process, the shaped dough blank is thin and has high elasticity; the combination of two pieces of dough with the same thickness in the pressing process can be ensured; after the dough is put into the cooking and frying device, the shaped twisted cruller is very uniform and can be very easily and thoroughly fried. The fully automatic twisted cruller machine is more progressive than the device in the prior art; theproblems of nonuniformity of the dough blank formed through extrusion shaping is perfectly solved; the twisted cruller rejection probability during the cooling is reduced; the time of people for waiting for the twisted cruller can be reduced.

The invention discloses an automatic glove strapping machine, relates to the technical field of glove machines, and solves the problem about automatic rubber band strapping of stacked glove stacks. The machine comprises a rubber band receiving and strapping device, a rubber band placing device and a glove pushing device, the rubber band receiving and strapping device mainly comprises a sliding seat and a plurality of line hooking assemblies, the sliding seat is vertically arranged and is provided with a through hole, the line hooking assemblies are provided with hook heads, sliding grooves distributed in a divergent mode with the through hole as the center are formed in the sliding seat, the line hooking assemblies are driven to be installed in the sliding grooves in a reciprocating sliding mode, and the hook heads are located at the ends, facing the through hole, of the line hooking assemblies. Rubber band grooves and radial through grooves are formed in the circumference and the radial direction of a rubber band roller correspondingly, so that the rubber band placing device and the line hooking assemblies can be matched to hook rubber bands conveniently, rubber band releasing strips are arranged in the line hooking assemblies, the rubber bands can be released conveniently after the glove stacks enter the rubber bands pulled into square shapes, the labor force can be reduced, and the automation degree of strapping the glove stacks can be improved.

The invention provides an intelligent bagged food packing device. The intelligent bagged food packing device comprises a mounting housing, a feeding hopper, a material injecting pipe, arc-shaped plates, transporting wheels, conveyor belts, decelerators, conveyor motors, first cylinders, a clamping plate, a first heating pipe, a mounting frame, second cylinders, sealing plates, second heating pipes, a PLC, a display screen, a driving switch, an adjustable auxiliary lifting frame structure, an adjustable supporting frame structure, a detachable mounting rod frame structure and a measurable classification plate frame structure, wherein the feeding hopper is mounted at the middle on the upper side of the front part of the mounting housing through bolts; and a material injecting pipe is connected to the lower part of the feeding hopper through a flange. The intelligent bagged food packing device disclosed by the invention has the beneficial effects that the adjustable auxiliary lifting frame structure is arranged, so that after the lifting cylinder is started, different spacings between a bracket and the mounting housing can be achieved, packing bags of different lengths are convenientto locate between the bracket and the mounting housing, and the work of packing foods is performed.

The invention discloses an automatic true circle detection and classified storage device for an optical lens. The automatic true circle detection and classified storage device comprises a machine base, wherein a true circle detection device capable of detecting a spherical surface of the optical lens is arranged on the machine base; a detection-waiting part for the placement of the optical lens tobe detected is arranged on one side of the true circle detection device, a classified storage part capable of accommodating the detected optical lens is arranged on the other side; a lens detection and conveying device is arranged on the machine base; the lens detection and conveying device can take out the optical lens to be detected and convey to the true circle detection device at the same time and can take out the detected optical lens and convey to the classified storage part. A key point of a technical scheme of the invention is to solve technical problems that existing optical lens detection equipment cannot judge and distinguish the lens automatically and needs to judge and distinguish manually after detection so as to be high in labor cost, relatively low in accuracy, low in automation degree and low in detection and storage efficiency.

The invention discloses a damping device. The damping device comprises a stressing frame, a bearing rod, a first damper, a second damper, a folding rod, a bearing part and a bearing arm, wherein one end of the bearing rod is hinged to the stressing frame; the other end of the bearing rod is hinged to the first end of the first damper; the second end of the first damper is hinged to the stressing frame; an obtuse angle is formed between the bearing rod and the first damper; one end of the folding rod is hinged to the bearing rod or the first damper; the other end of the folding rod is connected with the second damper; one end of the second damper is connected with the stressing frame, and the other end of the second damper is connected with the folding rod; the middle part of the folding rod is connected with the bearing part; the bearing arm is arranged at one side, away from the stressing frame, of the first damper; one end of the receiving arm is fixed on the stressing frame, and the other end of the receiving arm is fixed in the middle of the folding rod. According to the damping device disclosed by the invention, the stress from one part of the stressing frame in the longitudinal direction is transferred to the transverse direction of the stressing frame, so that a maximum bearing force of the damping device is improved, and the device is favorably arranged to control a transverse stress; meanwhile, the longitudinal damping amplitude of the damping device is reduced.

The invention discloses a device for arranging a light-emitting diodes (LED) light product in an array and a production line of the LED light product, so as to solve the technical problem that LED lights of the LED light product, which are counted manually and arranged into a mobile array module, are low in efficiency and unstable. The device includes an LED light product arranging and conveying device, a jig conveying device and an LED light inserting device, the LED light product arranging and conveying device is used for arranging LED lights of the LED light product into an LED light array,and conveying the LED light array to the bottom of the LED light inserting device, the jig conveying device is used for conveying a jig to the bottom of the LED light array, so that an to-be-insertedhole of the jig corresponds to the bottom of the to-be-inserted LED lights of the LED light array, and the LED light inserting device is used for inserting the to-be-inserted LED lights into the to-be-inserted hole. The device is high in production efficiency and stable, and is able to arrange the LED light array of the LED light product on the adhesive dispensing jig to connect a glue dispenserconveniently.

The invention discloses an intelligent flower bed fence including a pillar and two cross bars connected with the pillar, each cross bar is connected with a plurality of vertical bars, the pillar internally is provided for a water tank for containing water, the top of the pillars is provided with a circular solar cell plate, the bottom end of the circular solar cell plate is connected with a storage battery, the storage battery is electrically connected with a water pump located on the side wall of the pillar, and the water pump is connected with a switch by a wire. The advantages are that the intelligent flower bed fence is compact in connection and easy to use, and has intelligent functions, the pillar can play a stabilizing supporting role, a clamping groove and a clamping buckle facilitate cooperation of the cross bars and the vertical bars, and facilitate removing and installing of the cross bars and the vertical bars, a water conveying pipe and a water suction pipe facilitate transport of the water, an inner pipe facilitates transport of a water flow to a nozzle, a gasket can prevent water leakage, the solar cell panel can receive sunlight, and electrical energy can be stored by the storage battery.

The invention discloses a novel ventilator for a curtain wall. The novel ventilator structurally comprises a ventilator body, a fixed plate, a controller, a movable plate, an upper sound insulation strip, a side sound insulation strip, a buckle device and a filter plate. According to the novel ventilator for the curtain wall, the movable plate with the upper sound insulation strip and the side sound insulation strip is arranged and can be conveniently coordinated with the controller with a motor so as to reduce the whistle generation probability, a filter plate composed of an activated carbonlayer, a dust capturing net and an efficient filter screen is arranged in an inner bin, so that dust and impurities in a curtain wall circulating air source can be filtered, the safety and the self-cleaning effect can be improved, the buckle device with an upper plate and a lower plate is arranged in the inner bin and can be coordinated with an upper plate rubber column and a lower plate rubber column so as to flexibly buckle the filter plate, so that under the condition that the integrity of the filter plate is guaranteed, the replacement speed can be increased, buckles are arranged on the inner side of a back plate of the ventilator body and can be coordinated with ventilator grooves in the surface of the ventilator body for quick buckling connection, so that the later overhaul and maintenance can be facilitated, the working efficiency can be improved, the structure is simple, and the implementation is easy.

The invention discloses a polishing and deburring device. The polishing and deburring device comprises a working chamber, a conveying assembly, an oil tank mechanism, a first movement assembly, a second movement assembly and a limiting assembly. The working chamber is driven by an eccentric wheel to swing, so that a workpiece is ground and polished by an abrasive material; through buffering andresetting of a first elastic piece, the abrasive material can make full contact with the workpiece conveniently, and the surface wall of the workpiece is effectively polished; the limiting assembly can guarantee that a frame reciprocates in the horizontal direction; through arrangement of a second elastic piece, the frame is buffered and reset; the first elastic piece is arranged between the frame and the working chamber, the second elastic piece is arranged between a positioning plate and the frame, and thus interference between the first elastic piece and the second elastic piece can be effectively avoided; through the oil tank mechanism, lubrication between the abrasive material and the workpiece is facilitated, and excessive friction and scratching of the workpiece are prevented; and the abrasive material at a discharging outlet can be conveyed to a feeding inlet through the conveying assembly by a conveying mechanism, the abrasive material circulates in the working chamber, and the practicability is good.

The invention belongs to the technical field of medical treatment, in particular to a postoperative monitoring cover for the for ophthalmology department. The postoperative monitoring cover comprisesa first upper clamping plate and a second upper clamping plate. Lower clamping plates are connected to the lower surfaces of the first upper clamping plate and the second upper clamping plate in a clamped mode. Cotton cloth protection pockets are connected to the lower surfaces of the first upper clamping plate and lower clamping plates in a clamped mode; a sponge pad is sewed in each cotton clothprotection pocket; a hook-and-loop fastener rough surface is sewed on the lower surface of each cotton cloth protection pocket; the sponge cushions can perform buffer protection between the lower clamping plates and the eyes of a patient; meanwhile, a hook-and-loop fastener rough surface and a hook-and-loop fastener hook surface are arranged between each cotton cloth protection pocket and gauze absorbent cotton; therefore, the gauze absorbent cotton can be conveniently adhered to the lower surface of each cotton cloth protection pocket for use; gauze absorbent cotton can be conveniently driven by the first upper clamping plate and lower clamping plate to be attached to the eyes of the patient for medicine application nursing, the gauze absorbent cotton is arranged to be bonded to the lower surface of each cotton cloth protection pocket, and therefore medicine replacement can be conveniently conducted after the gauze absorbent cotton is used.

The invention discloses a low-temperature plasma waste gas purification device and purification method. The purification device comprises a barrel body with a purification cavity body, a filter layer, a first photocatalytic oxidation mechanism, a low-temperature plasma reactor and a second photocatalytic oxidation mechanism, wherein the filter layer, the first photocatalytic oxidation mechanism, the low-temperature plasma reactor and the second photocatalytic oxidation mechanism are sequentially arranged in the purification cavity body in the paint spraying waste gas flowing direction. The first photocatalytic oxidation mechanism comprises a first ultraviolet lamp layer and a first photocatalyst layer which are sequentially arranged; the second photocatalytic oxidation mechanism comprises a second ultraviolet lamp layer, a second photocatalyst layer and a third ultraviolet lamp layer which are sequentially arranged. The low-temperature plasma waste gas purification device can sequentially perform filtration treatment, photocatalytic pretreatment, oxidative degradation treatment and photocatalytic deep treatment on paint spraying water gas. According to the low-temperature plasma waste gas purification device, on one hand, photocatalysis and a low-temperature plasma technology are combined to improve efficiency of purifying paint spraying waste gas; on the other hand, ultraviolet lamp and photocatalyst sequences are set in the photocatalytic pretreatment and deep treatment to be matched with the low-temperature plasma reactor; thus, paint spraying waste gas treatment efficiency is further improved.

The invention discloses an intelligent pre-warning system for goods stock management. The intelligent pre-warning system comprises a power module, a central controller, a procurement process query module, a database server, a safe stock intelligent pre-warning system, an unmarketable goods intelligent pre-warning system, an overstock goods intelligent pre-warning system, a network communication module and a remote monitoring terminal, wherein the power module comprises an electric supply network, a transformer and a voltage stabilizer; and a power output end of the electric supply network is connected with an input end of the voltage stabilizer through the transformer. According to the intelligent pre-warning system for goods stock management, scene alarming and remote alarming work of related information can be automatically completed when the goods inventory is greater than the maximum value of a finished goods preset range, the unmarketable goods exceed preset unsalable time and the overstock goods exceed preset overstock time; and managers at the scene and not at the scene can conveniently know the related information, and therefore, the managers can conveniently take relevant remedial measures.