510results about How to "Reduce failure" patented technology

The invention relates to the technical field of continuous casting, in particular to a continuous casting fan-shaped section roller gap adjusting system and a control method.The continuous casting fan-shaped section roller gap adjusting system comprises a three-section type densely-arranged roller structure, and each section of roller is connected with a main body frame through a roller gap adjusting unit; a pipe conveying structure is further arranged and used for conveying lubricating oil gas, cooling gas, cooling liquid and cooling aerial fog, and various detection devices and processors are arranged. The roller gap control method comprises the steps of collecting the roller temperature, the pulling speed and the abrasion loss in real time, establishing a roller gap compensation amount calculation formula, conducting closed-loop adjustment, detecting surface defects after casting blanks are offline, and updating the calculation formula. The technical effects that the continuous casting fan-shaped section roll gap is accurately adjusted, system operation parameters are monitored in real time, the compensation formula is dynamically updated according to the casting blank condition, and the casting blank quality is improved are achieved.

The invention discloses an automatic product grabbing system and method, and relates to the technical field of industrial robots, in the system, an equipment body is provided with a grabbing station and a placing station, an inbound positioning assembly outputs an AGV tool vehicle in-place signal, and a jacking positioning assembly establishes a preset grabbing height; the visual positioning assembly collects an image output pose compensation amount, the bar code recognition assembly obtains a bar code and interacts with the manufacturing execution system to obtain a verification result, the controller issues the compensation amount to the industrial robot control end when verification is allowed, and an end effector is driven to complete positioning, locking and unlocking of grabbing locked by a tool vehicle clamp; the tray transferring and positioning mechanism completes transferring and positioning of the shipping tray, and the unlocking and locking mechanism unlocks / locks the locking block handle and conducts visual review in the placing process. By means of the technical scheme, the grabbing and placing alignment precision and the mistake proofing capacity are improved, the risks of collision, falling and locking omission are reduced, and the takt time stability and traceability are improved.

The invention provides a hydraulic servo oil cylinder trunnion positioning and repairing method and a positioning device, which are used for carrying out in-situ welding and repairing on a fractured oil cylinder trunnion, and the method comprises the following control conditions: (1) heating an oil cylinder barrel before welding and carrying out heat preservation on the oil cylinder barrel after welding; (2) the tensile strength of the selected welding rod is higher than that of an oil cylinder barrel matrix; and (3) the welding rod is baked and heated before welding.

The application discloses a vertical shaft rapid excavation equipment, which comprises a base body, a deep pit groove is formed in the top of the base body, a base and a second ring beam are arranged in the deep pit groove, a fixing assembly for positioning the second ring beam is arranged on the top of the base, a positioning frame is fixedly connected to the circumferential inner wall of the second ring beam, a moving groove is formed in one side of the positioning frame, a sliding column is fixedly connected to the bottom inner wall of the moving groove, and a moving block is sleeved with the circumferential outer wall of the sliding column. In the application, the drill bit can be driven to rotate together with the horizontal plate during the circumferential movement of the horizontal plate, the drilling depth and position of the drill bit can be adjusted by starting the hydraulic rod during the drilling of the drill bit, the drilling area of the drill bit is enlarged, the drilling demand of people on the vertical shaft is met, the whole drilling process does not need manual work to go deep into the bottom of the vertical shaft, the safety of the whole equipment is further improved, and the drilling efficiency on the vertical shaft is improved.

The utility model relates to dust cloth bag technical field, concretely, it relates to spring dust cloth bag structure, including cloth bag and cloth bag top installation's fixing device, is equipped with connecting block in the fixed device top, connecting block is opened with recess, is equipped with helical flow guide vane in connecting block middle department, is equipped with fixed column in helical flow guide vane middle, and the cross fixed link is equipped with in fixed column top and recess corresponding position, is equipped with spring between cloth bag inner wall and outer wall, through the cooperation of shell, helical flow guide vane, cross fixed link, spring and cloth bag, the push board is driven to move inwards or outwards by the rotating lever, and the cloth bag is quickly installed and disassembled with the cloth bag bag mouth and shell top under the cooperation of shell, the push board is inwards extruded and carries out position spacing to the fixed cloth bag, the helical flow guide vane guides the airflow rotation, and the airflow is evenly distributed in the cloth bag inside, reduces the local wear and tear problem caused by airflow impact cloth bag's part.

The utility model discloses a kind of planetary reducer self-lubricating devices, belong to planetary reducer lubrication field, including base, the top of base is fixedly connected with motor main body, the output shaft of motor main body is fixedly connected with sun gear, the outside of sun gear is engaged with three planetary gears, the outside of planetary gear is equipped with the shell engaged with it, the top of shell is equipped with oil supply piece, the top of oil supply piece is threadedly connected with top cover, the top of top cover is equipped with air valve;The planetary reducer self-lubricating device, the cooperation of the walking track of planetary gear and the matching of oil supply piece upper end of resistance is used to control the discharge of lubricating oil, greatly simplify the device structure, reduce the overall cost of planetary reducer, device overall structure is relatively simple, without complex electronic components and sensing device, reduce the probability of failure occurrence, improve the reliability and stability of device, reduce maintenance cost.

The utility model relates to the technical field of motorcycle accessories, and discloses a locking driving mechanism and an ignition switch assembly. The locking driving mechanism comprises a bottom plate with a shaft hole, a cover body covering the bottom plate to form a mounting cavity, a motor mounted in the cavity and provided with an output shaft with an output gear, and a telescopic rod penetrating through the shaft hole and an end driving tooth surface to be in meshing transmission with the output gear. The design abandons complex electromagnetic drive, the structure is simple, and the cost is reduced. Through combination of the motor and the telescopic rod, parts are reduced, and the manufacturing process is simplified; the modular design facilitates maintenance, improves reliability, can adapt to different ignition switch assemblies, and is flexible in application.

The utility model discloses an RTO safe air supply system which comprises an air inlet pipe, an emergency cut-off valve is arranged on the air inlet pipe, a main pipe branch is arranged on the air inlet pipe, a fresh air valve is arranged on the main pipe branch, the tail end of the air inlet pipe is connected with an RTO main fan, a pressure transmitter is arranged on a pipeline at the front end of the RTO main fan, the RTO main fan is connected with an RTO furnace, and pressure difference transmitters are arranged on an inlet and an outlet of the RTO furnace. And an outlet of the RTO furnace is connected with an air outlet pipe. The RTO furnace air supply system solves the problems that in the prior art, RTO furnace air supply system equipment is high in operation failure rate, and potential safety hazards exist.

This utility model discloses a foldable electric stubble trimmer, belonging to the field of agricultural and livestock machinery. It includes a main frame with two symmetrical longitudinal beams and a main ground wheel below. A short beam is connected to the upper rear of the longitudinal beams via a rear pin and a front pin. A sub-frame is hinged to the outer side of the short beam. The sub-frame has casters below and a liftable motor frame above, with several motors arranged horizontally on the motor frame. A wire rope trimming head is installed at the lower end of the motor shaft. A generator provides power to the main frame. The sub-frame can be folded 90° and secured with a locking pin. This device has a compact structure, is portable, has high efficiency for wide-area operation, can follow contours and adjust the stubble height, reducing damage to pastures caused by trampling.

The utility model relates to valve machining technical field, especially a new type valve cover. Including base, annular pipe, reinforcing surface, fixed ring and annular groove, the annular groove sets up in the base body center position, two fixed ring respectively set up on the base body, and two fixed ring respectively are close to base body both ends setting, the annular pipe sets up in the base upward operation surface. Including raw material detection, heating and material preparation, making embryo and forging, intermediate detection, trimming and shaping, cooling and cutting, welding and processing, final detection, cleaning and polishing, equipment maintenance, the utility model has the beneficial effect that: through the close connection of annular pipe and annular groove, the sealing performance of valve cover is promoted, effectively prevents medium leakage, through strict raw material detection and each link quality detection, can effectively improve the quality of valve cover, enhances its sealing property and pressure resistance, reduces the occurrence of product failure and leakage problem.

This utility model relates to an installation structure for proximity switches on a steel charging machine in a heating furnace, belonging to the technical field of steel smelting equipment. It includes a baffle assembly and an adjustable bracket assembly. The baffle assembly is located on the side of the steel charging arm of the heating furnace. Below the baffle assembly is the adjustable bracket assembly, on which two proximity switches are mounted. The baffle assembly blocks the proximity switches. The adjustable bracket assembly is used to adjust the positions of the two proximity switches. The baffle assembly includes a fixed baffle and a movable baffle below it. A fourth adjustment groove is symmetrically formed on the fixed baffle. When the movable baffle is moved to its correct position, connecting bolts pass through the fourth adjustment grooves and through the movable baffle. Connecting bolts are screwed onto the bottom of the connecting bolts. This invention offers convenient installation. The baffle assembly blocks the proximity switches, preventing damage and extending the lifespan of components, thereby reducing spare parts costs.

The utility model relates to the technical field of medicine spraying machine, concretely to a kind of spraying protective device of agricultural self-propelled medicine spraying machine, including medicine spraying machine equipment, the medicine spraying machine equipment includes rack, control box, medicine box, spraying system and self-propelled mechanism, and the self-propelled mechanism one side and the top inner wall of rack are fixedly installed with protection assembly between, and protection assembly includes the protection top plate fixedly installed in the top inner wall of rack and the L type side guard board fixedly installed in the one side outer wall of self-propelled mechanism, the both ends of L type side guard board are all set up with telescopic slot of L type, and the inner wall of telescopic slot is all inserted with telescopic plate;The utility model forms relatively closed spraying space, effectively blocks the medicine sprayed to adjacent area diffusion, effectively isolates spraying system and self-propelled mechanism simultaneously, reduces the possibility that medicine enters self-propelled mechanism inside, prolongs overall service life, also can flexibly adjust the extension length of telescopic plate according to actual medicine spraying operation needs, changes protection range.

The utility model discloses a kind of necking machine gear bearing bracket structure, including flange mounting disc, shell, installation slot, bearing;The right side of the shell is provided with the interface mechanism of quick supplementary lubricating oil;The bearing between the shell is provided with the O-ring that is adapted to high-speed operation condition and facilitates lubrication, O-ring is provided with guide vane, fixed mechanism, guide vane is respectively arranged above O-ring, fixed mechanism is arranged between O-ring and shell.The function of the utility model is to provide elastic buffer between bearing and bracket, reduce the wear and tear of bearing and bracket inside, reduce the equipment failure problem caused by wear and tear;And this kind of mode can effectively fix O-ring and bearing, and the mode structure is simple and practical, applicable to the bearing bracket of high-speed operation, and high reliability;Guide vane cooperates interface mechanism to lubricate the bearing inside bracket without opening shell, and this mode is simple and efficient, saves time and effort.

This utility model relates to the field of chemical engineering technology and discloses a coil-type cold explosion-proof sulfur pulverizing device, including a frame. A pretreatment chamber is fixedly connected to the top of the frame, and a pulverizing chamber is installed on the right side of the pretreatment chamber. A connecting pipe is installed between the pretreatment chamber and the pulverizing chamber. A second motor is installed on the top of the connecting pipe, and a stirring rod is fixedly connected to the output end of the second motor. A feed inlet is opened on the top of the pretreatment chamber, and a conveying pipe is fixedly connected to the side of the pulverizing chamber away from the connecting pipe. A discharge outlet is installed at the end of the conveying pipe away from the pulverizing chamber. In this utility model, by introducing a pretreatment step, the sulfur raw material is initially crushed before entering the pulverizing chamber, which significantly reduces the energy input required for the pulverizing equipment. The stirring, vibration, and other processes in the pretreatment chamber can decompose agglomerated materials, improve the embrittlement effect of the raw material, and reduce the energy consumption of the pulverizing process.

The utility model discloses an electric icebreaker with high safety performance, which mainly comprises a battery pack for output, a motor, a speed changer, a transmission device and an icebreaking head, the battery pack supplies power to the motor, and the motor converts high-speed rotating motion into low-frequency high-power motion through the speed changer. And the vibration is transmitted to the icebreaking head through the transmission device. Compared with the prior art, the electric icebreaker has the advantages that the electric icebreaker with high safety performance is provided so as to solve the problems that in the prior art, manual icebreaking is low in efficiency, high in cost and poor in safety, existing icebreaking equipment has defects and the like, and efficient, safe and convenient icebreaking operation is achieved.

The utility model discloses a kind of touch type dispersed node wireless timing system, including mobile terminal, main wireless timing node and at least one slave wireless timing node. Mobile terminal and main node are interacted through first wireless communication link, and main node and slave node are communicated through second wireless communication link. Each node structure is same, and all include shell, touch sensing layer, visual feedback module and integrated control circuit board of main control module. Touch detection and wireless communication function are integrated in main control module. The core of system is that main node main control module is configured as: receiving the configuration signal of mobile terminal, sending control signal to slave node, generating start signal in response to own touch, receiving the state signal of slave node, and the generated timing result data is returned to mobile terminal. The utility model realizes distributed, positionable intuitive timing by hardware structure and signal interaction, low in cost, flexible in deployment, and is suitable for multi-task timing scene.

An aerosol generating device includes a storage to store an aerosol generating material, a liquid transfer element to absorb the aerosol generating material stored in the storage, and an atomizer to atomize the aerosol generating material absorbed by the liquid transfer element into an aerosol by generating ultrasonic vibration, wherein the atomizer includes an oscillator, and the oscillator has a capacitance value of 0.6 nF to 1.1 nF.

The utility model discloses a structure for preventing crystallization of a liquid discharging main pipe of a crude foil engine, which comprises an anode tank and a liquid feeding distributor arranged on the lower side of the anode tank, the anode tank is connected with a backflow main pipe through a backflow branch pipe, and the liquid feeding distributor is connected with a liquid discharging branch pipe communicated with the liquid discharging main pipe. The backflow main pipe and the liquid discharging main pipe are both communicated with the dirty liquid tank, a control valve is installed on the liquid discharging branch pipe, an anti-crystallization communicating pipe is arranged between the backflow branch pipe and the liquid discharging main pipe in a communicating mode, and the end, connected with the backflow branch pipe, of the anti-crystallization communicating pipe is higher than the end, connected with the liquid discharging main pipe, of the anti-crystallization communicating pipe. And by arranging the anti-crystallization communicating pipe, the fluid in the backflow branch pipe can be drained into the liquid discharging main pipe, so that the liquid discharging main pipe is always flushed by the fluid when the equipment normally operates, and the crystallization condition is avoided.

The utility model relates to the technical field of power electronics, and discloses a superconducting energy storage device which comprises a shell, the front side and the rear side of the shell are each provided with four first damping rods, and connecting plates are fixedly connected among the four adjacent first damping rods. And the left side and the right side of the shell are each fixedly connected with two second damping rods, a side plate is fixedly connected between every two adjacent second damping rods, the left side and the right side of the shell are each provided with four rotating rods, and the opposite ends of every two front-back adjacent rotating rods are rotationally connected with the adjacent connecting plates. According to the shock absorber, when the connecting plate is collided, the first constant force spring and the first damping rod on the inner side can buffer the collision, meanwhile, the rotating rods on the two sides extrude the side plates on the two sides, the side plates on the two sides are pulled by the second constant force spring and the second damping rod for buffering, and therefore secondary buffering on the collision is achieved; and the impact is prevented from directly acting on the energy storage device in the shell.

The invention provides a fork lug type connector butt joint tolerance distribution method, belongs to the technical field of aeronautical manufacturing, and particularly comprises the steps that an assembly mathematical model of a fork lug type connector is imported into simulation analysis software, and then the assembly state of the fork lug type connector and the assembly state of a support lug type connector are integrally separated; the machining precision of butt joint holes of the fork lug type connector and the support lug type connector is input; performing rotation assembly iteration and translation assembly iteration on the model data generated by each simulation analysis software in sequence, and setting rotation assembly iteration times and translation assembly iteration times; rotation assembly iteration times and translation assembly iteration are carried out; after simulation is finished, a simulation result is output, data of the simulation result comprises a minimum containing value data set of each piece of model data, and the number of minimum containing values of each data set is equal to the number of the fork ear type connectors. By means of the processing scheme, the assembling quality and efficiency of the plug-in type connector are improved.

The application relates to the technical field of power distribution network non-power-off operation, in particular to a wire clamp device for power distribution engineering non-power-off operation, which comprises a supporting plate fixedly connected to the outer wall of a switching ring, two rotating plates rotatably connected to the outer wall of the supporting plate, a plurality of chain plates rotatably connected to the outer walls of the two rotating plates, and the chain plates are rotatably connected at the heads and tails; when the plurality of chain plates contact the fixed conductor wire, the plurality of chain plates will be attached to the outer wall of the conductor wire under the action of the two rotating plates, the plurality of extension rods arranged on the inner wall of the rotating plate will generate force on the two rotating plates, the chain plates will be tightly attached to the outer wall of the conductor wire, and due to the characteristics of the chain plates, the plurality of chain plates arranged can change along with the shape of the outer wall of the conductor wire, so that the contact area of the wire clamp device and the conductor wire is increased, and the probability of failure of the wire clamp and the conductor wire is reduced.

A first computing device may receive a request to install an application at the first computing device from a second computing device logged in to the same user account as the first computing device. The first computing device may download a stub associated with the application from the computing system in response to receiving the request and based on the first computing device not having sufficient available storage space to install the application. A first computing device may install a stub associated with an application.

The utility model discloses a kind of electric power engineering maintenance frame, belong to electric power engineering technical field, including support frame, the bottom of support frame is equipped with moving wheel, and the inside of support frame is fixed with bottom plate, and bottom plate is hollowed out setting;Still include: climbing frame, symmetrically fixed in the both sides of the support frame, the climbing frame is "U" shape structure, the edge of the bottom plate is fixed with guard frame, and the highest point of guard frame is higher than the highest point of support frame;Extension assembly, set in the inside of the top of support frame, the extension assembly is used for higher maintenance, and extension assembly can be housed on support frame.The electric power engineering maintenance frame, in the use process, can reduce the failure of maintenance frame, and the height of maintenance frame can be quickly adjusted according to the different maintenance height, to further meet different maintenance needs.

This utility model relates to a nut anti-loosening structure for a needle roller bearing. The nut anti-loosening structure includes a needle roller bearing, a support shaft, an anti-loosening washer, and a nut. One end of the support shaft is interference-fitted with the inner ring of the needle roller bearing, and the other end is adapted to the anti-loosening washer. The anti-loosening washer has a D-shaped through hole, through which it is fitted onto the support shaft. The nut is fitted onto the support shaft and abuts against the anti-loosening washer. The solution provided in this application can form a non-circular fit between the D-shaped anti-loosening washer and the support shaft, and replaces "friction anti-loosening" with "mechanical hard limiting," eliminating the need for material deformation or chemical anti-loosening agents. It is particularly suitable for high-load, high-speed, frequent start-stop, or drastic temperature changes, effectively reducing equipment failures caused by nut loosening, improving production efficiency, and is simple in structure, requires no frequent maintenance, is environmentally friendly, and has low cost.

This utility model relates to the technical field of electricity metering boxes, and discloses a modular electricity metering box, including a box body. A guide rail is fixedly connected to the outer wall of the box body, and a fixing block is fixedly connected to the outer wall of the box body. A buckle is rotatably connected between the fixing blocks. A handle is fixedly connected to the outer wall of the buckle, and a limit component is provided inside the buckle. A rotating rod is rotatably connected to the outer wall of the box body, and a baffle is fixedly connected to the outer wall of the rotating rod. A retaining strip is fixedly connected inside the baffle. A discharge hole is provided inside the box body. In this utility model, through the ingenious cooperation of components such as the rotating handle, buckle, rotating rod, and retaining strip, a convenient and secure connection between the boxes is achieved. At the same time, the reset and fixing mechanism formed by the spring and the baffle ensures that the box body is stable and reliable after connection, effectively avoiding loosening and separation caused by external forces, and improving the overall structural stability and safety.

The embodiment of the invention provides an automatic calibration system for an electric sunshade curtain, and the system is characterized in that the system comprises a motor which is used for driving the sunshade curtain; the memory is used for storing a pre-trained automatic calibration model; the MCU is in communication connection with the motor and the memory; the MCU is configured to obtain the operation condition of the sunshade curtain and the target anti-pinch force set by a user; loading the automatic calibration model, and taking the target anti-pinch force and the operation condition as model input to obtain a plurality of working parameter thresholds; a plurality of real-time working parameters of the sunshade curtain in the closing process are obtained, and one real-time working parameter corresponds to one working parameter threshold value; and under the condition that one or more real-time working parameters exceed the corresponding working parameter threshold values, sending a retreating instruction to the motor. According to the technical scheme, the reliability and development efficiency of the electric sunshade curtain anti-pinch system can be improved.

The utility model belongs to the technical field of petroleum workover equipment, concretely relates to a hydraulic tong station adjusting device and workover equipment, including the adjusting frame and the chassis, the longitudinal beam that sets up two hydraulic cylinders in the middle part of chassis is hinged, the piston rod end of two hydraulic cylinders all is hinged on the adjusting frame, the adjusting frame is driven its rotation around the axis of articulation shaft and drives hydraulic tong swing relative to the chassis by the piston rod telescopic drive of hydraulic cylinder, when the adjusting frame swings to the second end of chassis, and the limit support that this end of chassis is perpendicular fixed limits the contact. The utility model has realized the continuous, stable and automatic swing switching of hydraulic tong from the work position to the retreat position, reduced the strength of manual operation, improved the operation efficiency, reduced the operation error and the security risk caused by human factor, ensured that the hydraulic tong in non - working state, the equipment can absolutely stably keep in the retreat position, satisfied the extreme requirement of safety of wellhead unmanned operation.

The present application relates to the technical fields of urea pyrolysis, and particularly relates to a high-temperature flue gas heat exchanger urea pyrolysis system, which comprises a boiler flue chamber, an ammonia injection chamber, a side chamber and a pyrolysis furnace, the boiler flue chamber and the ammonia injection chamber are sequentially communicated, the side chamber is connected between the boiler flue chamber and the ammonia injection chamber and is communicated with the boiler flue chamber and the ammonia injection chamber respectively. The pyrolysis furnace is arranged in the side chamber, the side chamber is provided with a heat exchange pipe, and the heat exchange pipe extends into the pyrolysis furnace. The ammonia injection chamber is provided with a gas injection pipe, and the pyrolysis furnace is communicated with the gas injection pipe. The high-temperature flue gas heat exchanger urea pyrolysis system can directly heat the fresh air in the heat exchange pipe by using the high-temperature flue gas branched in the boiler flue chamber, and the fresh air is directly sent into the pyrolysis furnace after being heated, so that no additional connecting pipeline is needed, heat loss in the pipeline conveying process is avoided, energy consumption in the flue gas pollution treatment process is reduced, standard flue gas discharge and reasonable resource utilization are realized.

This utility model discloses an electronic working switch, a magnetic particle flaw detector starting circuit, and a magnetic particle flaw detector. The electronic working switch includes: a switch housing, a magnetic field sensor, a magnetic structure, and a magnetic shielding structure. The switch housing has an accommodating space for accommodating the magnetic shielding structure. The magnetic field sensor is disposed on the side wall of the switch housing, and the magnetic structure is disposed on the side wall and opposite to the magnetic field sensor. The magnetic shielding structure is slidably disposed in the accommodating space inside the switch housing to isolate the magnetic field between the magnetic structure and the magnetic field sensor. The electronic working switch in this application converts the positional change of the magnetic shielding structure relative to the magnetic field sensor into a change in the working signal output of the working switch, reducing wear and failure problems caused by mechanical contact and improving measurement accuracy and stability.

The utility model belongs to the technical field of magnetic suspension motors, and particularly relates to a structure for improving the cooling quality of a magnetic suspension motor, which comprises a motor shell, a cooling air inlet is arranged on the motor shell, a motor stator is fixedly connected in the motor shell, a motor rotor is rotatably connected in the motor shell, and a metal pipe is fixedly sleeved on the motor rotor. According to the magnetic suspension high-speed motor rotor cooling air guiding structure, through reasonable design, the problem that the cooling effect is reduced due to the fact that a cooling air guiding structure is lacked nearby an existing magnetic suspension high-speed motor rotor is solved, the structure is simple and reliable, and the cooling effect is good.