42results about How to "Long working hours" patented technology

The invention discloses a bottom-attached tunnel desilting device and desilting method based on the pulsed jet ground breaking effect, the bottom-attached tunnel desilting device comprises a crawler-type advancing module, a connecting frame, a desilting module and a conveying pipeline, the connecting frame is fixed on the front side of the crawler-type advancing module, and the conveying pipeline comprises a negative pressure water pipe and a high pressure water pipe; the jet module comprises a signal processing system, a high-precision sensor, a high-pressure water pump, a pulse controller and a steering engine; the suction module comprises a sludge inlet box, a connecting rod structure, a brush and a spiral centrifugal pump; through the innovative pulse jet technology, the self-circulation system and the terrain self-adaption design, an efficient, energy-saving and stable operation mode can be provided in the tunnel desilting process, and the tunnel desilting device has high environmental adaptability and is suitable for tunnel desilting operation of various complex terrains.

The invention discloses a land-based data automatic receiving and preprocessing management system and method, and relates to the technical field of ocean observation data processing, and the system comprises a communication service subsystem, a data preprocessing subsystem, an intelligent perception linkage subsystem, and a data management subsystem. And full-process automatic processing of underwater acoustic real-time communication subsurface buoy observation data is realized through modular integration. Automatic receiving, safe storage and efficient preprocessing of deep sea power and biogeochemical element data are achieved, reliable data support is provided for marine scientific research and environment monitoring, and the long-term observation requirement of a 6000-meter water depth subsurface buoy system is met.

The utility model discloses an ultra-high-speed thick material zigzag seam transmission mechanism which comprises an upper shaft and a lower shaft which rotate on a sewing machine shell in a fixed-axis mode, the upper shaft is driven by a power mechanism to rotate in the fixed-axis mode, and synchronous belt wheels are coaxially and fixedly connected to the corresponding positions of one end of the upper shaft and one end of the lower shaft. The outer contours of the two synchronous belt pulleys are in transmission connection with a synchronous belt enabling the upper shaft and the lower shaft to rotate synchronously, and a rotating shuttle shaft which is horizontally arranged and is perpendicular to the lower shaft is rotationally connected to the sewing machine shell at the end, away from the synchronous belt pulleys, of the lower shaft through a fixed shaft. The end, close to the lower shaft, of the rotating shuttle shaft is coaxially and fixedly connected with a rotating shuttle assembly carrying bottom threads to complete stitches, the outer contour of the end, close to the rotating shuttle assembly, of the lower shaft is coaxially and fixedly connected with a rotating shuttle driving gear, and a rotating shaft set parallel to the lower shaft is rotationally connected to the portion, close to one side of the rotating shuttle driving gear, of the sewing machine shell through a fixed shaft. The sewing machine has the advantages that the occupied space below the bottom plate is reduced, and the working efficiency of the sewing machine is improved.

The invention provides an electrified coil switching power reduction type electromagnet. An iron yoke is connected with an iron core, and a butt joint and an armature are fixed together; the spring is assembled between the armature and the iron core; the coil rack is assembled between the iron yoke and the armature; the first coil and the second coil are wound on the coil rack in a layered mode and used for providing power for the electromagnet and keeping an electromagnetic field, the contact A and the contact B are connected to a lead of the second coil respectively, and the contact C and the contact D are connected to a lead of the first coil respectively; after the first coil is electrified and attracted, the armature disconnects the contact A and the contact B through the connecting rod and the connecting plate, the first coil is disconnected, meanwhile, the contact C and the contact D are connected, the second coil is connected, and the second coil provides a holding electromagnetic field. Due to the fact that the coil I and the coil II are different in wire diameter and corresponding power, the electromagnet coil is switched from the high-power coil I to the low-power coil II after being electrified through mechanical conversion of the connecting rod and the connecting plate, product heating is reduced under the condition that the function of the electromagnet is not affected, and the service life of the product is prolonged.

The utility model relates to insect situation monitoring technical field, concretely relates to an agricultural insect situation monitoring device, through the collection cover on the embedded connection has a plurality of conical tubes, the inboard of collection cover is installed with the moth lamp, the inboard slidingly connected with the bearing frame of frame body, and the both sides of the top of bearing frame are equipped with the bearing rod, and two bearing rods are rotatably connected between the inner wall of frame body, a plurality of broken rods are fixedly connected on two bearing rods, and the both sides of one end of two bearing rods are engagedly connected, and the operator can complete insect body collection and replacement without complicated dismounting operation, the use convenience and maintenance efficiency of equipment are improved significantly, can carry out automatic broken processing to insect body after its collection, effectively reduces insect body accumulation volume, improves the space utilization of bearing frame, prolongs the continuous working time in single monitoring period, avoids the influence of subsequent trapping effect because of too much insect body accumulation.

The invention belongs to the technical field of regenerated plastic particle processing, and particularly relates to regenerated plastic particle preheating equipment which comprises a smashing area, a heating area and a discharging area, the heating area is arranged at the top of the discharging area, and the smashing area is arranged at the top of the heating area. The meshing parts are symmetrically arranged on the two sides of the inner wall of the control box. Each meshing part is provided with a switching motor, a guide plate shell, a traction pull plate, a torque motor and a smashing roller shaft. As the crushing roll shafts on the two sides can be blocked or passivated due to the fact that plastic particles are blocked in gaps during continuous working, after crushing work is carried out for a period of time, the motor is switched to turn the crushing roll shafts on the two sides, and the crushing roll shaft without attached plastic residues on the other side is used for continuously carrying out crushing work; therefore, the continuous working time of the device is prolonged, and meanwhile the problem that the crushing roller shaft is passivated and stuck is avoided.

The utility model relates to the technical field of gas supply equipment, and discloses centralized gas supply equipment which comprises a low-temperature storage tank, an air temperature type vaporizer set, a pressure regulating valve set and an automatic switching device, the air temperature type vaporizer set is connected with a program control box, a nitrogen busbar is arranged between the low-temperature storage tank and the air temperature type vaporizer set, and the automatic switching device is connected with the program control box. The air temperature type vaporizer group is provided with a pressure regulating valve group through a Y-shaped filter, so that the centralized gas supply equipment which continuously operates for a long time can be provided, and the production requirements of customers are met.

The utility model relates to a kind of paddle repair clamps in paddle repair technical field, including heating electric control box and fixed clamp box, the clamp assembly includes jaw, clamping block and mounting seat, upper jaw and lower jaw are connected by ratchet structure, the surface of mounting seat is connected with the heating assembly for heating auxiliary paddle to repair;The overall weight of the utility model equipment is 46KG, convenient to carry and transport, can work more than 5 hours continuously after the equipment rests after each power failure, can maintain long continuous working time, the flexibility of site movement is increased using portable repair equipment, good operability can be provided in narrow space, good flexible mobility can be provided in complex site, and high-precision digital display temperature controller is configured inside as double-chip temperature control, power supply is automatically cut off to stop heating after reaching set temperature, ensure that repair area temperature range is ±5 ℃, fast deployment and operation can be carried out in high-altitude, offshore, remote wind farm and other field environments.

The utility model relates to material conveying technical field, concretely is lithium battery conductive agent conveying pipeline anti -blocking spiral structure, including mixing jar, the bottom fixed of mixing jar has and conveys the pipe, is provided with spiral conveying subassembly in the conveying pipe, and spiral conveying subassembly includes end plate and auger, and one pair of guide rod is set up in the conveying pipe tail end, and the hinge has cleaning mechanism on the mixed jar outer wall, and cleaning mechanism includes cover and rotary brush. This lithium battery conductive agent conveying pipeline anti -blocking spiral structure, through setting up auger, utilize the rotation of auger to carry out dynamic scraping to conveying pipe inner wall, prevent conductive agent adhesion accumulation, simultaneously through setting up detachable end plate and guide rod structure and hinge in the cleaning mechanism of mixed jar outer wall, can further rotation cleaning to its surface after using cleaning mechanism to auger after drawing out along guide rod when stopping, avoid the residual material hardening agglomerate after the auger carries and block the pipeline.

The present invention relates to the field of chip processing technology, and in particular to a progressive semiconductor chip production device and a working method thereof. It comprises a production platform, on which a limiting feeding mechanism is provided; and on which a laser processing mechanism is provided. The present invention controls a plurality of groups of limiting rods to drive a plurality of groups of limiting rings to fix the silicon crystal rods. The laser ranging module arranged in the annular array at the bottom of the supporting disk detects the horizontal state of the silicon crystal rods in real time and makes real-time adjustments. It controls a plurality of groups of limiting rings to descend synchronously to drive the silicon crystal rods to move vertically downward. At the same time, it cooperates with the laser processing mechanism to perform the ring-type laser cutting on the bottom of the silicon crystal rod. After repeated alternation for several times, the progressive slicing of the silicon crystal rods is completed. This not only improves the efficiency of the existing round wafer slicing work, but also realizes the real-time deviation correction of the silicon crystal rods, avoids the influence of the finished product yield when the offset occurs, and improves the working quality of the production equipment.

The utility model discloses a kind of primary crushing material air separation devices of stable no jamming feeding. The primary crushing material air separation device includes: air separation main body, feeding nozzle and unblock device;Air separation cavity one side surface upper end of air separation main body is equipped with horizontal mixing inlet;The inner end gap of the guide tube of feeding nozzle inserts mixing inlet and both connection gap place installs elastic sealing, the outer end of guide tube is obliquely upwards and is arranged to form oblique guide channel, guide tube upper side surface middle is equipped with the unblock hole of intercommunication guide channel, unblock hole inner side surface lower end is fixedly connected with scraper plate;The unblock roller of unblock device is rotationally arranged in unblock hole;Primary crushing material is obliquely entered from the upper port of guide tube, unblock motor drives unblock roller to rotate, makes unblock roller push material to move, and scraper plate cleans away winding material and adhering material on unblock roller. The utility model has the effect of effectively protecting equipment, feeding stable no jamming, operation safety, high production efficiency.

The catalytic reaction module comprises a supporting frame, a plurality of supporting plates are arranged on the supporting frame, and the supporting plates are arranged on the supporting frame; a reaction box is arranged on each supporting frame in a sliding manner, and a locking assembly matched with the reaction box is further arranged on each supporting plate; the reaction module further comprises an air inlet pipe and an exhaust pipe, one end of the air inlet pipe is communicated with an external air source, and the other end of the air inlet pipe is connected with the inlet end of each reaction box in parallel; one end of the exhaust pipe is connected with the hydrogen storage device, and the other end is connected in parallel with the outlet end of each reactor; a hydrogen sensor and a flow sensor are also arranged at the outlet end of each reaction box and are electrically connected with the controller respectively; independent packaging of the catalyst is achieved through the modularized reaction box, the catalyst can be replaced by replacing the whole reaction box, the reaction box can be filled with the catalyst again, reutilization is achieved, and the replacement efficiency of the catalyst is effectively improved.

The present invention discloses a bottom-attached tunnel dredging equipment and a dredging method based on the pulse jet ground-breaking effect, comprising a tracked traveling module, a connecting frame, a dredging module and a conveying pipeline, wherein the connecting frame is fixed on the front side of the tracked traveling module, and the conveying pipeline comprises a negative pressure water pipe and a high pressure water pipe; the jet module comprises a signal processing system, a high-precision sensor, a high-pressure water pump, a pulse controller and a steering gear; the suction module comprises a sludge inlet box, a connecting rod structure, a brush and a spiral centrifugal pump; the present invention can provide an efficient, energy-saving and stable operation mode in the tunnel dredging process through innovative pulse jet technology, a self-circulating system and a terrain adaptive design, and has high environmental adaptability, and is suitable for tunnel dredging operations in various complex terrains.

The invention discloses an intelligent all-terrain hybrid drive fire-fighting smoke ventilator, and relates to the technical field of fire-fighting emergency rescue equipment. The device comprises a plate body and a fire-fighting smoke ventilator above the plate body, a central control assembly is connected below the plate body, and four obstacle crossing assemblies are hinged to the four corners of the plate body. The obstacle crossing assembly is composed of a large arm, an air cylinder, a circular plate and obstacle crossing wheels, and a four-foot crawler belt combined type chassis is formed, so that the four-foot crawler belt combined type chassis can adapt to complex terrains such as stairs and ruins. And IP68-grade waterproof sealing is adopted at the joint of key components. The smoke extractor motor and the obstacle crossing wheel driving motor form a gas-electric hybrid dual-mode driving system to provide power redundancy. Through the integration of the obstacle avoidance sensor, the camera and the processor, the functions of remote control, autonomous navigation and obstacle avoidance are realized. The box body and the motor are connected through a supporting rod to form a heat dissipation space. The problems that a traditional smoke ventilator is poor in terrain adaptability, weak in waterproofness, insufficient in reliability, low in intelligent level and the like are solved, and the smoke exhaust efficiency and the fire-fighting operation safety are remarkably improved.

The invention relates to the technical field of bridge health monitoring, and discloses a steel pipe-ECC concrete bridge pier health state monitoring system, which comprises a multi-source sensing module, an ECC concrete bridge pier health state monitoring module, an ECC concrete bridge pier health state monitoring module and an ECC concrete bridge pier health state monitoring module, the data acquisition and transmission module is responsible for acquiring sensor data and uploading the sensor data to the cloud; and the health assessment model runs in the cloud, analyzes damage and outputs the health state of the pier by fusing the physical theory and the actually measured data. According to the method and system for monitoring the health state of the steel pipe-ECC concrete pier, the strain sensors, the distributed crack monitoring network and the specially-made miniature slippage displacement meter are arranged in a key area of a steel pipe-ECC interface in a targeted mode, a multi-physical-quantity coupled sensing array is constructed, interface micron-level slippage and concrete internal microcrack initiation can be synchronously captured in real time, and the monitoring accuracy of the health state of the steel pipe-ECC concrete pier is improved. The early monitoring sensitivity and spatial resolution of the specific interface damage evolution process of the composite material are improved, and the technical blind spot that an interface damage origin area is difficult to touch in a traditional monitoring technology is solved.

The invention discloses a heat dissipation type integrated circuit chip packaging structure, and relates to the field of chip packaging, the heat dissipation type integrated circuit chip packaging structure comprises an upper packaging plate, a chip packaging plate and a heat dissipation packaging plate which are sequentially assembled together from top to bottom, the top of the chip packaging plate is provided with a chip groove, the chip groove is used for embedding a chip, the top of the heat dissipation packaging plate is provided with a heat dissipation groove, and the heat dissipation groove is used for embedding the chip into the chip groove. The heat dissipation grooves are filled with paraffin, the pin positions of the chip are connected with one ends of the pins through wires, installation grooves are formed in the positions, corresponding to the pins, of the chip packaging plate in a penetrating mode, leading-out grooves are formed in the inner side walls of the heat dissipation grooves and penetrate through the outer side wall of the heat dissipation packaging plate, and each installation groove is correspondingly provided with one leading-out groove. The other end of each pin penetrates through the corresponding mounting groove and the corresponding lead-out groove to be arranged outside the heat dissipation packaging plate, the paraffin phase-change material absorbs heat generated by the chip through heat absorption and melting, and therefore the chip packaging structure can dissipate heat automatically, and the continuous working time of the chip is prolonged.

A button-type wireless microphone assembly, relating to the field of microphone technology, includes a transmitter, a receiver wirelessly connected to the transmitter, and a charging case. The charging case includes a housing and a power supply module disposed within the housing, with a charging compartment formed on the housing. The transmitter is disposed within the charging compartment and electrically connected to the power supply module, enabling the power supply module to charge the transmitter. The wireless microphone assembly also includes a main control module, disposed within the charging case or the transmitter, for controlling the transmitter to start operation. This technical solution enables simultaneous transmitter charging and audio reception, reducing interruptions caused by transmitter charging, extending the transmitter's continuous operating time, and allowing the transmitter to be used as a handheld microphone when placed in the charging case. This meets various user needs, has a wide range of applications, strong practicality, and improves the user experience.

The utility model discloses a kind of anti-scalding protective devices for electric furnace, it is related to electric furnace protection device technical field, the anti-scalding protective device for electric furnace, applied to electric furnace, electric furnace includes shell, shell is embedded with reflector cover inside, electric heating tube is installed in reflector cover, and include: protective net, it is installed in the outer end of shell, including two mounting brackets, two ends between two mounting brackets are fixed with liquid passage frame, and protective tube is communicated between two liquid passage frames;Heat dissipation component, it is installed in shell inside, and liquid inlet end is communicated with protective net by liquid passage pipe one;Water tank, it is set below protective net and is connected with the liquid outlet end of heat dissipation component by liquid passage pipe two;Liquid pump, it is set in water tank side, liquid inlet end is connected with water tank, and liquid outlet end is connected with upper liquid passage frame.The utility model can form closed liquid cooling circulation, realizes active cooling function, and can be long in continuous working time, and scalding effect is strong.

According to the driving system and the control method of the mowing and flattening machine and the mowing and flattening machine, a novel diesel-electric hybrid power technology is adopted for the whole machine, reasonable distribution of diesel-electric hybrid power energy is achieved, and waste gas emission in the operation process is reduced. The whole machine adopts a distributed hybrid power driving system; the power distribution system adopts a dual-power flow power distribution mode (the walking of the whole machine adopts pure electric drive control, the mowing and flattening assembly adopts an electro-hydraulic drive mode, and the synchronous operation of the walking system and the mowing and flattening assembly can be realized under the condition that an engine is not driven), and the driving walking system can work in a pure electric drive mode and a hybrid drive dual mode; meanwhile, an electronic power-assisted steering system is adopted in the whole machine, various steering modes can be achieved according to the operation intention of a driver, even zero steering radius is achieved, and steering is flexible and convenient; and the dual modes of hydraulic braking and electronic braking are adopted, so that the running operation of the vehicle is safer.

The utility model relates to the technical field of rice processing, and provides an efficient grinding device for rice processing. The two supporting legs are fixedly mounted on the outer surfaces of the opposite positions of the processing box; and the funnel ring is fixedly installed on the inner wall of the processing box, and a discharging opening is fixedly formed in the surface of the side, away from the supporting feet, of the funnel ring. According to the rice hulling device, the processing box on the surface is supported through the supporting legs, meanwhile, the hopper ring in the processing box is fixed through the processing box, hulled rice is put into the discharging opening, the mounting plate is supported through the discharging opening, and when the driving motor on the surface of the mounting plate works, the rice hulling device is used for driving the rice hulling device to work. The grinding roller I on the surface of the output end is driven to rotate, and the included angle between the grinding roller I and the funnel ring is gradually reduced, so that when the grinding roller I is in contact with rice and the rice is more downward, the rice is ground more finely, the labor is saved, and the continuous working time is long.

The utility model discloses a turbine train supercharger with good stability, which belongs to the technical field of superchargers and comprises a cooling liquid tank, a wind scooper is mounted at the top of the cooling liquid tank, a turbocharger is mounted at the top of one side of the wind scooper, one side of the turbocharger is communicated with an air inlet pipe, and the other side of the turbocharger is communicated with an air outlet pipe. The bottom of the air inlet pipe communicates with a first waste gas pipe, and a heat exchange pipe is installed in the cooling liquid box. When the turbocharger works, sucked air and waste gas generated by combustion of an engine pass through the interior of the turbocharger, before the waste gas enters the turbocharger, the waste gas passes through the interior of the heat exchange pipe, cooling liquid is arranged in the cooling liquid box, and when the waste gas passes through the interior of the heat exchange pipe, heat exchange is conducted on the waste gas and the cooling liquid through the heat exchange pipe, so that the waste gas is cooled. The temperature of waste gas can be effectively reduced, so that the working temperature of the turbocharger is prevented from being too high, the continuous working time of the turbocharger can be effectively prolonged, and the stability of the turbocharger is improved.

The utility model discloses a kind of fixed evaporation boat, comprising: terminal stud, top is provided with the keyway structure of protruding;Evaporation boat body, two ends symmetrically are provided with fixed hole, to cooperate with the keyway structure of terminal stud top and install;Terminal stud pressing block, for locking the cooperation part of evaporation boat body and terminal stud.The core of the fixed evaporation boat is keyway-pressing block fixing system, terminal stud pressing block adopts split type structure, by high-strength bolt controllable locking force is applied, and keyway structure is cooperated to form rigid restraint system, realizes the double combination of rigid positioning and elastic compensation, effectively resists thermal stress and equipment vibration.The fixing mode of evaporation boat used in the utility model effectively solves the technical problems that traditional evaporation boat is easy to displace and fall off, improves anti-vibration performance while ensuring positioning accuracy, improves coating quality and product pass rate, and provides stable and reliable hardware support for high-precision vacuum coating.

This invention discloses a membrane-borne self-driven storage and retrieval device for online monitoring of αβ radioactive aerosols, relating to the technical field of aerosol storage equipment. It includes a storage chamber and a combination tray mechanism. The storage chamber has retrieval and placement ports on its side wall. The combination tray mechanisms are stacked within the storage chamber, with adjacent combination tray mechanisms connected and fixed by support pillars. A rotating sleeve is installed on the bottom combination tray mechanism, driven by an externally mounted motor. This invention designs each layer of the combination tray mechanism as an integrated top and bottom tray structure, with storage ports one and two respectively. This allows a single layer to simultaneously and independently store new membrane boxes and recycled old membrane boxes, achieving "dual-purpose storage" and effectively doubling the effective storage capacity. Combined with the rotatable sleeve design, the multi-layer combination tray mechanism can be cyclically positioned, allowing the retrieval and placement ports to sequentially connect to the storage positions on each layer, further maximizing the utilization of vertical space.

The embodiment of the invention provides a double-battery charging and discharging management method and system and a storage medium, and belongs to the technical field of battery management. The dual-battery charging and discharging management system comprises: a portable electronic device comprising a controller, a first charging and discharging circuit and a first battery; the controller is electrically connected with the first charging and discharging circuit and the first battery; the electronic adapter comprises a control and detection circuit, a second charging and discharging circuit and a second battery; the control and detection circuit is electrically connected with the second charging and discharging circuit and the second battery; the controller is detachably and electrically connected with the control and detection circuit, and the first charging and discharging circuit is detachably and electrically connected with the second charging and discharging circuit; the control and detection circuit is used for determining the battery state of the second battery according to the battery state of the first battery; and the second battery is used for supplying power to the controller through the second charging and discharging circuit and the first charging and discharging circuit when the battery state of the second battery is a discharging state. According to the embodiment of the invention, the working time of the portable electronic equipment can be prolonged.

The invention discloses an assembly type tunnel construction filtering type dust removal device and relates to the technical field of filtering type dust removal. Moving blocks are slidably arranged at the top of the inner side of a limiting groove, an arc-shaped rack is connected between every two adjacent moving blocks through screws, a filtering box is connected to the bottom of a lifting frame, and a hole is formed in one end of the filtering box and connected to one end of an axial flow fan; most of water mist adsorbing dust is adsorbed on the inner wall of the spiral pipe under the guidance of the spiral pipe, the water mist is quickly condensed into water drops under the action of temperature difference, most of the water mist flows through the interior of the spiral pipe and is condensed into water drops to be discharged under the action of gravity, preliminary filtration is achieved, and the dust removal efficiency is improved. The filtering pressure of the filter element is reduced, the continuous working time of the equipment is longer, the movable motor drives the movable block to move back and forth in the limiting groove, the dust collection range is expanded, and the dust removal speed is increased.

The invention relates to the photovoltaic field, in particular to a photovoltaic glass wiping device which comprises a shell, an adjusting mechanism is arranged on the shell, and the adjusting mechanism is used for adjusting the position on a solar cell panel; a wiping mechanism is arranged on the shell, and the wiping mechanism is used for wiping the surface of the solar cell panel; an air blowing mechanism is arranged on the shell, and the air blowing mechanism is used for blowing dust wiped off from the solar cell panel out of the solar cell panel; a dismounting mechanism is arranged on the shell, and the dismounting mechanism is used for adjusting the position of the wiping mechanism; a transmission mechanism is arranged in the shell, a first air inlet is formed in the shell, and the first air inlet is used for heat dissipation of the transmission mechanism; the transmission mechanism is used for driving the shell to walk, and the transmission mechanism is used for pushing the wiping mechanism to wipe the surface of the solar cell panel.

This utility model discloses an improved iron separator device in the field of chemical equipment technology, including a housing; a housing cover that fits over the top opening of the housing; multiple magnetic rods arranged in a staggered pattern along the material flow direction inside the housing, with the upper end of each magnetic rod rotatably mounted on the housing cover and the lower end suspended inside the housing; an adjusting frame spanning the upper end of the housing cover and connected to the upper end of each magnetic rod for synchronously driving the multiple magnetic rods to rotate around its axis, thereby switching the material-facing side and the material-repelling side of the magnetic rods; and multiple guide plates, each fixedly positioned downstream of each magnetic rod, with the guide plates having a V-shaped structure. This device achieves periodic switching between the material-facing and material-repelling sides of the magnetic rods by rotating the magnetic rods with the adjusting frame, ensuring that all surfaces of the magnetic rods participate uniformly in the adsorption process. The use of a multi-row staggered magnetic rod array, with a corresponding V-shaped guide plate behind each magnetic rod, synergistically enhances the adsorption effect.

The invention relates to the technical field of chip processing, in particular to progressive semiconductor chip production equipment and a working method thereof. Comprising a production platform, and a limiting feeding mechanism is arranged on the production platform; and a laser processing mechanism is arranged on the production platform. A plurality of groups of limiting rods are controlled to drive a plurality of groups of limiting rings to fix a silicon crystal bar, laser ranging modules arranged at the bottom of a supporting disc in an annular array mode detect the horizontal state of the silicon crystal bar in real time and adjust the horizontal state in real time, and the plurality of groups of limiting rings are controlled to synchronously descend to drive the silicon crystal bar to vertically move downwards; and meanwhile, the laser processing mechanism is matched to carry out ring type laser cutting on the bottom of the silicon crystal bar, progressive slicing work of the silicon crystal bar is completed after alternation and repetition are carried out for multiple times, the efficiency of existing wafer slicing work is improved, real-time deviation correction of the silicon crystal bar is achieved, the situation that the yield of finished products is affected when deviation occurs is avoided, and the working quality of production equipment is improved.

The utility model belongs to the field of fan, concretely is a kind of direct drive type fan for livestock farming, including installation frame, four mounting plates are fixedly connected outside the installation frame, four The air outlet is fixedly connected between the mounting plate, the installation frame outside is provided with heat dissipation component, the heat dissipation component includes the heat dissipation cylinder slidingly connected in the inside of installation frame.The utility model is rotated by transmission cross, to drive connecting rod to move in this way, and then drive connecting plate to rotate along transmission cross, and then drive heat dissipation cylinder to rotate between installation frame and air outlet, and then make heat dissipation cylinder can replace the air of outside with the air in heat dissipation cylinder, and then the air of outside is drawn into the inside of heat dissipation cylinder, so that the motor can be heat dissipated, so that the motor does not enter overheating protection, so that the continuous working time of motor is extended, and the possible of needing repair can be reduced, so as to improve the convenience of device use.

The present invention relates to the technical field of wear-resistant ceramics, and in particular to a high-strength, wear-resistant silicon nitride-bonded silicon carbide ceramic and a preparation method thereof. The high-strength, wear-resistant silicon nitride-bonded silicon carbide ceramic is prepared from elemental silicon powder, silicon carbide powder, silicon nitride powder, a tempering agent, and a binder: the tempering agent includes Y2O3 micro-nano particles, zirconium carbide powder, zirconium powder, and tungsten carbide. A reaction-sintered silicon nitride-bonded silicon carbide process is employed, and the microstructure and phase composition are optimized and controllably prepared under the coupling effect of a composite tempering agent and in-situ generated controllable fibrous and columnar Si3N4. ZrSi2N4 can form a good chemical bond with silicon nitride. The wear-resistant ceramic prepared by this method has the characteristics of high strength, high hardness, and high toughness, with significantly improved wear resistance, corrosion resistance, and impact resistance, extended service life, and greatly improved production efficiency in related industries. At the same time, pollution to materials is reduced, ensuring the high performance and stability of the product, and having significant economic benefits.