93results about How to "Increase rotation speed" patented technology

The invention discloses a wrapping machine for photoelectric hybrid cable production, and relates to the technical field of wrapping devices.The wrapping machine is characterized in that a wire inlet frame is arranged on one side of a base, a wire inlet hole for wire inlet is formed in the wire inlet frame, a wire guiding frame is installed in the middle of the base, a wire guiding pipe is arranged on the wire guiding frame, and a wire winding frame is arranged at the other end, away from the wire guiding frame, of the base; the wire inlet frame is provided with a wrapping disc, a worm is connected to a center shaft of the wrapping disc, a wire leading pipe is arranged at the center shaft of the wrapping disc, a plurality of fixing plates are arranged on the wrapping disc in an annular array mode, worm wheels are rotationally connected into the fixing plates, a connecting plate is arranged on one side of each worm wheel, a wrapping cylinder is connected to the end, away from the corresponding worm wheel, of each connecting plate, and the wrapping cylinders are rotationally connected with the connecting plates; the device solves the problems that in the prior art, threaded holes are inconvenient to fix, the wrapping angle is inconvenient to adjust, a wrapping tape cannot be wound according to a fixed angle, different threaded holes need to be formed for angle adjustment, the time cost is large, and the overall photoelectric hybrid cable wrapping efficiency is affected.

The invention discloses a river channel desilting device for water conservancy projects, and belongs to the technical field of water conservancy projects, the river channel desilting device comprises a collecting box used for storing sludge, a sludge pump is fixedly mounted at the top of the collecting box, and a feeding pipe and a discharging pipe are respectively communicated in a feeding port and a discharging port of the sludge pump; the extraction mechanism is used for extracting sludge, and the extraction mechanism comprises a mounting seat, an extraction pipe and a connecting pipe; the dewatering mechanism is used for dewatering sludge and comprises a collecting hopper and a dewatering cylinder, a conveying shaft is rotatably mounted in the dewatering cylinder, a spiral auger is fixedly mounted on the outer side of the conveying shaft, and the collecting hopper is slidably connected to the upper portion of the dewatering cylinder. Through the cooperation of the extraction mechanism and the dehydration mechanism, automatic extraction and dehydration of river silt can be achieved, the crushing mechanism is matched to achieve cutting and scattering of the silt, the scattering effect can be adjusted according to the flowing degree of the silt, the fluidity of the silt is improved, silt blockage is avoided, and the desilting efficiency is improved.

The invention provides a cylindrical hydrodynamic ventilation structure special for a cooling tower fan, and belongs to the technical field of cooling ventilation. Comprising a tower body, a water basin is installed at the bottom of the tower body, a water inlet pipe is installed at one end of the water basin, a water return pipe is installed at the top of the water inlet pipe, a water pump is arranged at one end of the water inlet pipe, and a water outlet pipe is installed at one end of the water basin. By arranging the worm gear speed increasing assembly and the power driving assembly, kinetic energy of water flow is converted into mechanical energy through circulation of water power, the cooling process is accelerated, complex parts such as a motor and a transmission device in a traditional cooling tower are reduced, the manufacturing cost is reduced, maintenance points and the fault rate are reduced, and the service life of the cooling tower is prolonged. The reliability and stability of the system are improved, the rotation angle adjustment of the fan blades is increased, the air volume is increased, evaporation and heat dissipation of water are accelerated, energy consumption is reduced, the flexibility of the system is enhanced, and the ventilation structure can adapt to different working environments and cooling requirements.

The utility model relates to the technical field of engineering machinery, in particular to a shear forklift hydraulic control system and a shear forklift. Due to the fact that the walking reversing valve is communicated with the oil tank through the balance valve, hydraulic oil flowing out of the first motor and the second motor flows into the balance valve through the walking reversing valve, and due to the arrangement of the balance valve, it can be guaranteed that the pressure of the hydraulic oil flowing out of the walking reversing valve is adjusted when the shear forklift goes down a slope. Compared with the prior art, the balance valve arranged between the walking reversing valve and the oil tank enables the overall space size of the hydraulic system to be reduced, and an oil way is relatively simple.

The invention relates to the technical field of wastewater treatment, in particular to a reaction device for chemical organic matter degradation, the reaction device for chemical organic matter degradation comprises a shell mechanism, a driving mechanism, two stirring mechanisms, an auxiliary mechanism and a cleaning mechanism, the shell mechanism comprises two supporting columns, a heating shell and a reaction shell, the two supporting columns are installed on the ground at intervals, the heating shell is fixedly installed between the two supporting columns, the reaction shell is installed in the heating shell, the stirring mechanism is driven by the driving mechanism to stir mixed liquid in the reaction cavity, the contact and mixing effects between organic matter liquid and a degradation agent are improved, and therefore the mixing efficiency is improved; the cleaning mechanism can be used for cleaning the gas outlet of the gas guide auxiliary assembly, so that the blockage condition is prevented, the auxiliary gas can be ensured to smoothly enter the reaction cavity, and the normal reaction is ensured.

The utility model relates to the technical field of hydroelectric generation, in particular to a hydroelectric generation device which comprises two reinforced concrete walls and a frame, lifting mechanisms connected with the frame are arranged on the reinforced concrete walls, and a power mechanism, an acceleration mechanism and a generator are arranged on the frame. The power mechanism comprises a water wheel shaft and water wheel blades, the water wheel shaft is rotationally arranged on the frame, the water wheel blades are annularly distributed on the water wheel shaft, and a first triangular belt wheel is arranged at one end of the water wheel shaft. The acceleration mechanism comprises an acceleration wheel shaft and a triangular belt wheel III, the acceleration wheel shaft is rotationally arranged on the frame, the triangular belt wheel III is fixedly arranged on the acceleration wheel shaft in a sleeving manner, and a triangular belt wheel II is arranged at one end of the acceleration wheel shaft; the second triangular belt wheel and the first triangular belt wheel are sleeved with a first triangular belt. The height of the hydroelectric power generation equipment can be adjusted, and it is guaranteed that water flow can drive the blades to rotate so that the power generator can operate to generate power; and the power generation efficiency is effectively improved.

The invention discloses a centrifugal casting device for ultra-high temperature alloy parts, which relates to the technical field of centrifugal casting, and comprises a conveying mechanism, on which a casting port is provided during casting, and the conveying mechanism can gradually push the liquid casting into the interior of the casting mold; a rotary driving device, as a driving component of the entire device, can simultaneously rotate the mold and a conveying pipeline in the conveying mechanism; in the invention, the rotary conveying pipeline is used to make the casting solution consistent with the rotation speed of the mold during the casting process, effectively avoiding the scouring of the molding sand layer inside the mold by the casting solution, and improving the service life of the mold; at the same time, a pushing component is used to ensure that the volume of the casting solution poured from the pouring port is consistent within a unit time, ensuring that the casting solution is evenly distributed in the mold, and improving the quality of the finished product; when the casting work is completed, the mold will increase the rotation speed to further improve the quality of the final product.

The present invention relates to the technical field of solar panels, and specifically to a solar power generation panel protection device, including a panel body, and also including fixing plates symmetrically fixedly installed on both sides of the panel body, a connecting plate is fixedly installed on one side of the two fixing plates, a driving component is arranged on the top of one of the fixing plates, and a pressing component and a water storage component transmission-connected to the pressing component are arranged on the top of the panel body and the fixing plate near the connecting plate. In the present invention, when stains that are significantly higher than the panel body appear on the surface of the panel under the action of the adjusting component, the pressing component and the water storage component, the rate at which the water in the water storage bag flows out through the water outlet pipe and the cleaning force of the cleaning brush on the panel body surface are increased, achieving the effect of changing the cleaning force according to the stubbornness of the stains, thereby achieving the cleaning effect of cleaning the stubborn stains to meet the standard.

The invention belongs to the technical field of coating stirring, and particularly relates to coating stirring equipment for casting spraying and a using method thereof.The coating stirring equipment comprises a discharging base, a supporting frame, a stirring barrel, a speed-returning type mixing mechanism and a grinding ball type discharging mechanism, the supporting frame is arranged on the upper wall of the discharging base, and the stirring barrel is arranged on the upper wall of the supporting frame; the speed-returning type mixing mechanism is arranged at the end, away from the supporting frame, of the stirring barrel, the grinding ball type discharging mechanism is arranged at the end, close to the discharging base, of the stirring barrel, and the speed-returning type mixing mechanism comprises a driving mechanism, a uniform stirring mechanism and a speed measuring mechanism. According to the coating stirring equipment for casting spraying and the using method thereof, the fineness and the viscosity of the coating in the stirring barrel can be reflected in real time by monitoring the rotating speed of the stirring shaft, and aggregates in the coating can be eliminated under the condition that the stirring time is not increased.

The utility model discloses an intelligent management device for cultural product design based on big data, which belongs to the technical field of intelligent management of cultural product design and comprises a management device body, and a cleaning structure is arranged on the management device body. The cleaning structure comprises a fixing block installed at the top of the management device body, the bottom wall of the fixing block communicates with a first connecting block, a first motor is installed on the inner top wall of the fixing block, and a threaded rod is installed at the output end of the first motor. By arranging a soaking structure and a cleaning structure, liquid medicine in a round pipe slowly permeates into a roller through a water absorption cotton thread, a first motor is started to drive a threaded rod to rotate, the threaded rod drives the roller to wipe the outer wall of the management device body, and the touch screen on the management device body is effectively prevented from being contaminated by fingerprints, dust and the like; the visual experience and the touch sensitivity are influenced, and the problem that the screen is damaged due to manual wiping is effectively avoided.

This invention relates to the field of river hydrological monitoring technology and discloses a river water quality monitoring device, including a float. A power auxiliary unit is located at the top of the float. A water quality monitor, a main controller, and indicator lights are located on one side of the top of the float. A second fixing plate is located at the center of one side of the float. A column is located at the outer bottom end of the second fixing plate. A cylinder is located at the lower part of one side of the column. A direction adjustment unit is located inside the cylinder. One end of the direction adjustment unit is connected to a paddle. An output shaft is located on the side of the cylinder away from the paddle, penetrating the cylinder. A second motor is located on the side of the second output shaft away from the cylinder. A torque limiting unit is located on the side of the second motor away from the second output shaft. The torque limiting unit is mechanically linked to the power auxiliary unit. A sampling unit is located at the center of the bottom of the float. The sampling unit includes a first motor, which is fixed to the bottom of the float. An output shaft is located at the bottom of the first motor. Beneficial effect: Facilitates sampling and testing of water at different depths within the same water area.

The utility model belongs to conveying device technical field discloses a box -shaped piece turnover device. The device includes first conveying mechanism, second conveying mechanism, spacing support and rotary support plate, is formed with arc channel in spacing support, and cigarette case can enter arc channel from first conveying mechanism with horizontal attitude, carries along arc channel and exports arc channel with vertical attitude and enters second conveying mechanism. Rotary support plate can rotate around the circle center axis, realizes the conveying of cigarette case and realizes the stable turnover of cigarette case with spacing support cooperation, also can swing itself, thereby avoids the collision between rotary support plate and peripheral object, makes the rotation speed around the circle center axis improve obviously, thereby improves turnover efficiency greatly, guarantees the production efficiency of cigarette packaging.

The application belongs to the technical field of micro-bubble generating equipment, and discloses a cyclone-reversal type micro-bubble generator. The micro-bubble generator comprises a liquid inlet pipe, a cyclone isolation cylinder, a first-stage cyclone cavity, a second-stage cyclone cavity, a cyclone reversal cavity, a Venturi nozzle and an air injection pipe. Liquid phase enters the first-stage cyclone cavity along the tangential direction of the periphery of the first-stage cyclone cavity through the liquid inlet pipe. The cyclone isolation cylinder is coaxial and isohypse with the first-stage cyclone cavity, and the inside of the cyclone isolation cylinder is the second-stage cyclone cavity. One end of the first-stage cyclone cavity and one end of the second-stage cyclone cavity are connected with the cyclone reversal cavity. The air injection pipe is inserted into the second-stage cyclone cavity through the cyclone reversal cavity along the central axis of the micro-bubble generator. The other end of the second-stage cyclone cavity is connected with the Venturi nozzle. The contraction pipe section is directly connected with the other end of the second-stage cyclone cavity or extends into the second-stage cyclone cavity. The micro-bubble generator has the advantages of ensuring the stability of cyclone, being more compact in structure, having stronger cyclone shear action on airflow, and generating smaller micro-bubbles.

The invention discloses a manufacturing device of a double-sided PCB, and belongs to the technical field of circuit board manufacturing. A driving motor drives a rotating shaft to rotate, so that a transmission wheel is matched with a conveying belt for transmission, and when a roller is extruded by an inclined surface of a driving plate, a piston presses gas into a hollow frame; therefore, the air bag is expanded so that the PCB can be automatically positioned, the PCB is located in etching equipment for etching operation, when the second gear and the second toothed bar are in transmission, the connecting cylinder drives the hollow frame and the PCB to turn over, the requirement for double-face automatic machining can be met, and when the second gear and the second toothed bar are separated, the PCB can be automatically positioned. By means of the structure, the weight bearing device can drive the hollow frame to turn over and reset, the PCB faces upwards, the PCB turns over to keep solution uniform filling and avoid condensation into beads, due to the fact that the diameter of the first gear is small, the first gear and the first toothed bar are in transmission, the rotating speed of the feeding frame can be increased, redundant solution can be rapidly separated, and the manufacturing quality of the PCB is improved.

This invention discloses a dual-buoy wave-current energy combined power generation device, comprising a connecting rod and two identical float power generation components. Each float power generation component includes a float upper shell, a support rod, a push rod, a ratchet transmission assembly, a speed-increasing assembly, and a generator. The two float components are hinged together by the connecting rod and oscillate relative to each other with the waves, using a lever principle to drive the push rod in a reciprocating motion. The ratchet transmission assembly converts the reciprocating motion into unidirectional rotational output, which is then accelerated by two stages of speed-increasing components to drive the generator, achieving dual-buoy coupled power generation. The lower shell of the float is conical to reduce seawater resistance and contains springs and vibration energy storage blocks to recover vibrational energy and improve wave energy utilization. This device uses a helical impeller to absorb ocean current energy; the blades are subjected to force perpendicular to the helical shaft, achieving unidirectional self-starting rotation. This invention features a simple structure, high transmission efficiency, and stable output. Through wave-current energy combined power generation and the dual-buoy coupling design, it significantly improves power generation efficiency and device stability.

The utility model discloses a calcining furnace gas cooling device which comprises an exhaust furnace body, a spraying device is arranged in the middle of the inner wall of the exhaust furnace body, the lower end of the spraying device is fixedly connected with a water supply valve, a rotating ring is arranged at the upper end of the inner wall of the exhaust furnace body, and an adjusting mechanism is rotationally connected to the rotating ring. The adjusting mechanism is connected with a water supply valve, and the lower surface of the water supply valve is fixedly connected with a water supply pipe. The adjusting mechanism can synchronously adjust the spraying amount of the spraying device according to the amount of exhausted smoke. When the flue gas amount is increased, the spraying amount of the spraying device can be increased, and when the flue gas amount is reduced, the spraying amount of the spraying device can be reduced. And when the flue gas amount is increased, the flue gas pushes the deflection fan blades, so that the rotating speed of the mounting ring is increased. And after the rotating speed of the mounting ring is increased, the T-shaped frame is driven to rotate. When the T-shaped frame rotates, the balance weight ball is driven to rotate, so that the balance weight ball swing rod deflects upwards.

The utility model relates to the technical field of dry battery indicating devices, in particular to an energy-saving dry battery type indicating device which comprises a base, the bottom of the base is fixedly connected with the top of a blowing piece, the inner wall of the base is fixedly connected with the outer wall of a supporting piece, and the outer wall of the blowing piece is fixedly connected with the inner wall of a rotating piece. The bottom of the rotating part is fixedly connected with the top of the swing parts, the four swing parts are distributed in a circumferential array shape along the center axis of the rotating part, and when wind blows the rotating plate, the rotating plate drives the rotating column to rotate, the rotating column drives the rotating rod to rotate, and the rotating rod drives the fan blades to rotate. The fan blades rotate to generate wind power, and the wind power is blown to the battery box through the supporting ring and the supporting sleeve, so that the battery box is cooled, rapid power consumption of the dry battery at high temperature is effectively avoided, the service life of the dry battery is prolonged, the dry battery is more energy-saving, and convenience is brought to use of people.

The utility model relates to the technical field of new energy automobile detection, in particular to a new energy automobile rear axle detection device which comprises a detection frame body and a rotating plate, a first motor, a rotating rod and a driving gear are arranged on the detection frame body, a driven gear, a connecting column and a bearing are arranged on the bottom side of the rotating plate, and a ball containing groove and a ball are arranged between the detection frame body and the rotating plate. The first motor drives the driving gear to rotate, the driven gear rotates along with the rotating transmission rotating plate, the marking position of an automobile rear axle system can be changed after the rotating plate rotates, a worker only needs to sit in one direction to mark an automobile rear axle, and on one hand, the rotating plate can be supported by the balls; and meanwhile, the sliding friction force of the rotating plate can be reduced, the rotating speed of the rotating plate is increased, the detection speed of a rear axle system is further greatly increased, and the detection efficiency of the new energy automobile rear axle is greatly improved.

The present invention belongs to the technical field of waste gas water washing treatment, and specifically relates to a waste gas treatment area water washing device and process based on automatic detection, which includes a waste gas processor, and the waste gas processor includes a water washing chamber, an air intake pipe, an air pump, a water pump, an exhaust pipe, and a circulating water pipe; the exhaust pipe is connected to the top of the water washing chamber, the air pump is connected to the air intake pipe pipeline, and is connected to the bottom pipe of the water washing chamber, the left end of the air intake pipe is connected to the air intake bin, and the interior of the air intake bin is provided with a concentration detector, and the circulating water pipe is connected to the lower left side of the water washing chamber; the interior of the concentration detector is provided with a concentration detection module, and the concentration detection module is used to detect the concentration of particulate matter in the waste gas according to the concentration detector. The device solves the problem that the current waste gas treatment water washing device cannot achieve high-efficiency purification of the waste gas by automatically detecting the waste gas concentration, and ensures the cleanliness of the inside of the water washing device.

The present invention relates to the technical field of seed drying, and in particular to a seed drying machine for agricultural production, comprising a bracket, a shell arranged in an inclined manner is fixedly installed on the upper end of the bracket, a mounting shell is arranged inside the shell, a third motor is fixedly installed on the inner side wall of the left end of the shell, and a hollow rotating rod is fixedly connected to the output end of the third motor; a spiral blade is fixedly installed on the outer surface of the hollow rotating rod, and a plurality of stirring shafts rotatably installed on the outer surface of the hollow rotating rod are arranged in the gap between the spiral blades; a fixed shell is fixedly installed on the right end of the shell, and a hot air blowing mechanism is arranged inside the fixed shell. The present application can fully dry the seeds entering the device on the one hand, and can also recover the grease on the surface of the seeds on the other hand, which not only helps to keep the equipment clean, but also improves the utilization rate of the grease, and can also effectively scrape the seeds on the outer wall of the mounting shell and the inner wall of the shell.

The utility model relates to the technical field of mechanical clamping jaws, in particular to a large-opening-degree rotary clamping jaw which comprises an end plate, a clamping jaw body is slidably arranged on the end plate, a lead screw is rotatably arranged on the end plate, the lead screw and the clamping jaw body are connected in a threaded fit mode, a driving part is arranged on the end plate and used for driving the lead screw to rotate, and the driving part is used for driving the lead screw to rotate. The clamping jaw comprises a clamping jaw body, a rotating wheel is arranged on the clamping jaw body, a connector used for being connected with a mechanical arm is rotationally matched with the rotating wheel, an adjusting rod is rotationally arranged on the clamping face of the clamping jaw body, a control assembly is arranged on the end plate, and the control assembly is connected with the adjusting rod and used for driving the adjusting rod to rotate. The clamping jaw has the effect of improving the application performance and the application range of the clamping jaw.

The utility model relates to the technical field of sunflower seed kernel processing, and discloses a multi-stage fine separation sunflower seed kernel processing device which solves the problems in the background technology and comprises a bottom plate, a support is arranged on the top of the bottom plate, a driving motor is installed on the top of the support, and the output end of the driving motor is connected with a fine separation mechanism. The fine separation mechanism comprises a fine separation disc, a plurality of partition plates are arranged in the fine separation disc, the partition plates are concentric rings, screen holes are formed in the surfaces of the partition plates, the diameters of the screen holes in the partition plates are sequentially reduced from inside to outside, a first discharging opening is formed in the position, between every two adjacent partition plates, of the bottom of the fine separation disc, and a second discharging opening is formed in the position, between every two adjacent partition plates, of the bottom of the fine separation disc. A bearing plate is rotatably connected to the bottom of the fine separation disc in a sleeved mode, a plurality of second discharging ports are formed in the bearing plate, and the number of the second discharging ports is the same as that of the first discharging ports. According to the sunflower seed fine separation device, fine separation, husking and receiving can be conducted on sunflower seeds of different sizes, and the fine separation effect and efficiency are improved.

The invention relates to a mechanical arm and a medical trolley. Comprising a first arc-shaped joint which is provided with a first arc-shaped track and a first central axis perpendicular to the plane where the first arc-shaped track is located; the first arc-shaped joint comprises a first arc-shaped arm and a second arc-shaped arm, and the second arc-shaped arm and the first arc-shaped arm are movably connected along a first arc-shaped track; and the second arc-shaped joint is provided with a second arc-shaped track and a second central axis perpendicular to the plane where the second arc-shaped track is located, the second central axis and the first central axis intersect at the virtual motion center, and the second arc-shaped joint is movably connected with the second arc-shaped arm along the second arc-shaped track. The motion center can be kept unchanged, the control stability of the motion center can be improved, and the control error of the motion center is reduced.

This utility model provides a dust filter device, belonging to the field of charging pile technology, including: a cyclone dust collector, which includes a dust collector shell, a negative pressure suction pipe, and at least one centrifugal separation unit; the dust collector shell includes an independent negative pressure chamber, an air inlet chamber, and a dust collection chamber, and the negative pressure suction pipe is connected to the interior of the negative pressure chamber; the centrifugal separation unit includes an air inlet pipe and an air outlet pipe, the inlet of the air inlet pipe is connected to the interior of the air inlet chamber, the outlet of the air inlet pipe is connected to the interior of the dust collection chamber, the inlet portion of the exhaust pipe extends into the inlet of the air inlet pipe, and the outlet of the exhaust pipe is connected to the interior of the negative pressure chamber, and a spiral guide vane is provided in the annular gap between the inner wall of the air inlet pipe and the outer wall of the exhaust pipe; the beneficial effects of this utility model are: the cyclone dust collector is not easily blocked by dust when maintaining a large air intake, and can effectively block conductive metal dust, eliminating the risk of short circuit caused by the accumulation of metal dust.

The utility model discloses a stator iron core structure for a motor, relates to the technical field of stator iron core structures, and aims to solve the problem that when a conventional stator iron core is installed on a motor to work, the stator iron core needs to be driven to rotate only by consuming large kinetic energy when the motor drives the stator iron core to rotate because the structure is relatively simple. Comprising a stator iron core main body, a through hole is arranged on the stator iron core main body, the through hole and the stator iron core main body are integrally arranged, the stator iron core also comprises a matching connection jack, the matching connection jack is arranged on the stator iron core main body, and the matching connection jack and the stator iron core main body are integrally arranged. A matched connection inserting hole is formed in the inner wall of the through hole, a limiting groove is formed in the inner wall of the matched connection inserting hole, the limiting groove and the matched connection inserting hole are integrally formed, an inertia sliding structure is arranged on the inner wall of the through hole, the inertia sliding structure is connected with the inner wall of the through hole in a welded mode, and a sliding groove is formed in the inertia sliding structure.

The invention discloses a crawler-type bucket-wheel car loader, which belongs to the technical field of car loaders, and comprises a walking mechanism, the upper end face of the walking mechanism is rotatably connected with a revolving platform, the revolving platform comprises a horizontal plate and a bracket, the bracket is fixedly arranged on the upper end face of the horizontal plate, the upper end face of the horizontal plate is hinged with an unloading arm, and a material taking arm is hinged in the bracket. The right end of the material taking arm is located above the left end of the discharging arm. A first material conveying mechanism is arranged in the material taking arm, and a second material conveying mechanism is arranged in the material unloading arm. When the bucket wheel is used, after taking materials, the bucket wheel rotates to the upper portion for blanking, the limiting device drives the scraping plate to move inwards on the inner top wall of the bucket wheel, the materials in the bucket wheel are assisted to fall, due to the fact that the scraping plate assists blanking, the blanking speed is high and blanking is thorough during blanking of the bucket wheel, and the material taking efficiency of the bucket wheel is improved; meanwhile, due to the fact that the scraping plate assists in discharging, the rotating speed of the rotating ring can be increased on the original basis, and the material taking efficiency of the bucket wheel is further improved.

This invention discloses a cement production and processing apparatus, belonging to the field of cement production and processing. The apparatus includes a mounting frame, a calcining furnace, and a grinding jar. The calcining furnace is rotatably connected to the top of the mounting frame via a rotating base. The calcining furnace and the grinding jar are connected via a feed pipe, which is rotatably connected to the calcining furnace and fixedly connected to the grinding jar. The apparatus also includes a grinding component and a cooling component. The grinding component is used to grind cement clinker, and the cooling component is used to cool the cement clinker after high-temperature calcination. This invention uses a condensing ring to perform water bath cooling on the cement clinker, effectively improving cooling efficiency. The evaporation of water within the condensing ring generates power to drive a turbine, rotating the grinding rollers and grinding the cement clinker in the grinding jar. The steam is then condensed and returned, reducing energy consumption and improving energy efficiency.

The utility model relates to the technical field of bridge snow removal, in particular to a snow removal device for bridge maintenance, which is characterized in that a bolt is unscrewed, a fixing pin is pulled out, the device is connected to the tail of a vehicle, the fixing pin is inserted back, and the bolt is tightened, when the vehicle moves forwards, a roller rotates, a first gear at the side end of the roller rotates simultaneously, and the snow removal device is driven by meshing with a second gear. A second gear is driven to rotate, a rotating rod is driven to rotate while the second gear rotates, the rotating rod rotates to enable a sliding rod to slide up and down in a guide barrel through a transmission rod, the sliding rod sliding up and down enables an ice breaking cone to continuously hit ice blocks or accumulated snow on the road surface, and after the ice surface or caked accumulated snow is smashed, the ice blocks or the accumulated snow are crushed into ice blocks or accumulated snow blocks. The two slopes of the spreading shovel push ice blocks to the two sides of a bridge to complete snow removal, the roller drives the ice breaking cone to hit up and down to complete ice breaking treatment on a road surface, the effect of breaking ice and removing snow is achieved, and the ice breaking efficiency of the ice breaking cone can be greatly improved in combination with the rotating rod rotating at a high speed.

The invention discloses a paper cup barrel returning device for a paper cup forming machine, relates to the technical field of paper cup processing equipment, and aims to provide the paper cup barrel returning device for the paper cup forming machine, which can return and convey a cup barrel remotely and can freely and quickly adjust the conveying distance. According to the technical scheme, the paper cup feeding device is characterized by comprising a mounting plate, a supporting frame is arranged on the mounting plate, a paper cup mold is arranged on the side face of the supporting frame, a material returning barrel is arranged at the position, corresponding to the paper cup mold, of the mounting plate, and rotary driving components are arranged at the positions, located on the two sides of the paper cup mold, of the mounting plate. During working, the rotation driving part drives the rubber flywheel to rotate at a high speed, the opening and closing part pushes the rotation driving part to rotate towards the paper cup mold, the rotation driving part drives the rubber flywheel to be attached to the paper cup mold, and a cup cylinder on the paper cup mold is thrown out through the rubber flywheel rotating at the high speed.

This invention discloses a photodynamic micro / nano motor based on metal particles. It involves superimposing two laser beams onto a metal particle on a support platform without a built-in track, driving the particle to rotate around the center of the laser beam. This invention utilizes localized surface plasmon resonance of the metal under light irradiation to achieve off-axis balance and orbital rotation of the particle across the beam cross-section. This results in an ultra-small subwavelength orbital rotation radius and significantly increases the rotational speed of the particle, thus realizing an ultra-small, high-speed photodynamic micro / nano motor.