18results about How to "Reduce maintenance downtime" patented technology

The utility model provides a self-propelled sunflower harvester, which belongs to the technical field of agricultural machinery and structurally comprises a self-propelled vehicle machine and a frame, a header is arranged at the front end of the frame, and a primary conveyor and a secondary conveyor are communicated with the rear of the header. The rear part of the secondary conveyor is communicated with a thresher; a screening mechanism is arranged below the thresher, and the screening mechanism is composed of a first-stage vibrating screen which is composed of a swinging fish scale screen and rushes backwards, and a second-stage vibrating screen which is composed of a swinging stepped dense mesh screen and rushes forwards; the screening mechanism communicates with the conveying and lifting mechanism. The conveying and lifting mechanism comprises a transverse auger and a bucket elevator. And the conveying and lifting mechanism is connected with the grain collecting hopper. The sunflower seed and sunflower disc separating device can achieve good separation of sunflower seeds and sunflower discs, the sunflower seeds and the sunflower discs are respectively conveyed in two paths during threshing, and simple and efficient threshing separation can be achieved. The threshing process is automatically completed, manpower and material resources are saved, and good harvesting and harvesting effects are achieved.

This invention provides an extrusion device for processing and molding wood-plastic composite (WPC) sheets, relating to the field of sheet processing technology. It includes an extruder barrel with a feed cylinder at its inlet end. The feed cylinder has a detachable top plate, and a geared motor is mounted at the center of the top of the top plate. An anti-bridging and arch-breaking mechanism is provided inside the feed cylinder. This mechanism includes a vertically rotating arch-breaking shaft and arch-breaking arms fixedly installed on the side wall of the arch-breaking shaft. By setting the above structure, the longitudinal arch-breaking protrusions, spaced arch-breaking protrusions, and transverse arch-breaking protrusions form a grid shearing structure, which can cut and tear apart fiber clumps and agglomerates in the WPC raw material, completely eliminating bridging. Combined with an inverted trapezoidal guide trough that is wider at the top and narrower at the bottom, it ensures smooth material feeding. The bottom arch-breaking plate eliminates dead angles and bridging during feeding, ensuring that the raw material continuously and evenly enters the extruder barrel, effectively avoiding defects such as uneven sheet density, broken strips, material shortages, and internal voids caused by feeding fluctuations.

The utility model discloses a wear-resistant lining plate of a mine crusher, which relates to the technical field of mine crushers and comprises a support plate, a first lining plate or a second lining plate is detachably arranged on one side of the support plate, and through positioning grooves are symmetrically formed in one side of the support plate. Positioning columns are symmetrically and fixedly arranged on the inner side of the first lining plate and the inner side of the second lining plate, the positioning columns are clamped in the corresponding positioning grooves, grooves are symmetrically formed in one side of the supporting plate, inserting plates are symmetrically and fixedly arranged on the inner side of the first lining plate and the inner side of the second lining plate, and the inserting plates are clamped in the corresponding grooves. According to the wear-resistant lining plate of the mine crusher, the first lining plate, the second lining plate and the supporting plate can be quickly, accurately and detachably mounted through ingenious matching of the positioning columns and the positioning grooves, ingenious matching of the inserting plates and the grooves and ingenious matching of the clamping plates and bolt connection, field assembly and replacement of the worn lining plate are facilitated, and the equipment maintenance downtime is greatly shortened.

The invention provides a coating rapid curing and moving device for ship unloader maintenance. The coating rapid curing and moving device comprises a moving base, a heat source generating mechanism, an energy guiding mechanism and an intelligent control module, the heat source generating mechanism is used for providing heat sources for the energy guiding mechanism. The energy guiding mechanism is used for guiding heat energy generated by the heat source generating mechanism to a to-be-cured coating; the intelligent control module is used for obtaining the real-time target temperature of the coating to be cured and dynamically adjusting the output power of the heat source generating mechanism and the range of the heat energy of the energy guiding mechanism acting on the coating to be cured according to the real-time target temperature. Through cooperative work of the intelligent control assembly and a precision mechanical structure, high-quality, efficient, safe and energy-saving maintenance of the ship unloader coating is achieved.

The utility model relates to the technical field of tire mold processing, and provides an air hole drill for a tire mold, which comprises a base, the rear side of the base is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with an air cylinder, and the bottom of the output end of the air cylinder penetrates through the fixing frame and is fixedly connected with a motor. The hollow drill bit is arranged to be matched with the air inlet pipe, high-pressure airflow is continuously sprayed into the air holes through the air supply holes, the airflow rapidly brings metal scraps generated by machining out of the air holes along surface lines of the drill bit, and the situation that the scraps are accumulated in drill bit grooves to cause clamping or hole diameter errors is avoided; meanwhile, airflow cools the drill bit and the inner wall of the air hole in real time, tool abrasion caused by high temperature is reduced, the service life of the drill bit is prolonged, airflow circulation is formed by combining a filtering and exhausting assembly and a hose, exhausted air containing scraps is conveyed to an air inlet pipe again after being filtered, and continuous cleaning of the scraps and cyclic utilization of the airflow are achieved.

The utility model relates to the technical field of vacuum freeze drying, in particular to vacuum freeze drying wolfberry freshness locking equipment. The device comprises a drying box and a stirring cavity formed in the drying box, a motor is fixedly installed at the top of the drying box, the output end of the motor is connected with a rotating column, the rotating column is meshed with a first bevel gear and a second bevel gear simultaneously, the first bevel gear and the second bevel gear are coaxially connected to the two ends of the same stirring shaft, and the stirring shaft penetrates through the side wall of the stirring cavity; a plurality of groups of stirring blades are arranged at the shaft end, located in the stirring cavity, of the stirring shaft, a plug pin is fixed to the tail end of the stirring shaft, the plug pin is embedded into a groove in the side wall of the bearing sleeve, a coaxial threaded hole is formed in the coincident position of the plug pin and the groove of the bearing sleeve, and the plug pin and the groove of the bearing sleeve are locked and fixed through a quick release rod. The stirring cavity is quickly disassembled and assembled, and the problems that the stirring cavity in traditional equipment is fixedly connected and residues are difficult to thoroughly remove are solved, so that the cleaning thoroughness is improved, and the equipment maintenance downtime is greatly shortened.

This utility model discloses a control device for a dual-winding stepper motor, relating to the field of stepper motor drive technology. It includes: a first winding control device and a second winding control device for controlling the two winding coils of a dual-winding stepper motor. Both the first and second winding control devices include a data acquisition and output unit and connected to it a main control unit, an operation display unit, a drive unit, and a power supply unit. They also include a maintenance unit connected to the main control unit and the drive unit. The output terminal of the drive unit is connected to the winding coils, and the main control unit, data acquisition and output unit, and drive unit are all connected to the power supply unit. The two drive units are interconnected. This utility model utilizes digital technology and modular design, making the system's control and monitoring more precise and flexible. Furthermore, each module can be independently designed, tested, and maintained.

The invention discloses an underground environment-friendly ventilation pipeline, which relates to the technical field of underground ventilation environment-friendly equipment and comprises a ventilation pipe, a filter ball, a partition plate, a semi-arc scraper blade, a semi-arc pipe, a piston pipe, a driving assembly and the like. The semi-arc scraping plate is attached to the filtering ball, the semi-arc pipe is connected with the piston pipe through the connecting pipe, the piston pipe is communicated with the ventilation pipe through the air pipe and provided with the electromagnetic valve, and the air pressure sensor is arranged in the ventilation pipe. During working, the filtering ball filters dust, and after the air pressure sensor detects high pressure caused by blockage, the electromagnetic valve is triggered to enable high-pressure air in the ventilation pipe to drive the piston plate and drive the driving assembly to drive the filtering ball to rotate, so that dust scraping of the semi-arc scraping plate and flushing of the semi-arc pipe are synchronously carried out. The device can automatically clean the blockage of the filter holes, guarantees the ventilation and filtering efficiency, does not need extra power, is environment-friendly and energy-saving, and is adaptive to an underground complex environment.

The invention belongs to the technical field of side blowing lead furnaces, and particularly discloses a side blowing lead furnace convenient to overhaul and maintain, which comprises a settling furnace chamber, one side of the settling furnace chamber is connected with a lead outlet channel, and the upper part of the outer wall of the settling furnace chamber is connected with a connecting water jacket; the upper end of the settling furnace chamber is connected with a smelting furnace chamber, a side blowing mechanism is correspondingly connected to the upper portion of a connecting water jacket, the upper end of the smelting furnace chamber is connected with a feeding furnace chamber through a connecting mechanism, the middle of the upper end of the feeding furnace chamber is connected with a smoke exhaust pipe, the smoke exhaust pipe is obliquely arranged, and a feeding port is formed in the lower portion of one side of the feeding furnace chamber. According to the smelting furnace, uniform distribution and online self-cleaning of materials are achieved through the material guide plate and the diffusion plate which can be turned over independently, rapid replacement of all components is achieved through detachable connection, and the overhaul and maintenance convenience and the equipment operation rate are greatly improved.

This utility model discloses a stop bar structure for a die-casting mold, comprising: a die-casting mold body and a positioning component. Two handles are installed on one side of the die-casting mold body, and two fixing bolts are installed on the other side of the die-casting mold body. A stop bar assembly is provided in the middle of the die-casting mold body. The positioning component is located on top of the stop bar assembly to fix the position of the stop bar assembly. This utility model forms a reliable physical barrier by having the stop bar body fit against the mold closing gap of the die-casting mold, significantly reducing the risk of high-temperature molten metal overflowing from the parting surface under high pressure, reducing the generation of defects such as flash and burrs, improving the surface quality and dimensional accuracy of the casting, and reducing subsequent processing costs. It is more suitable for the production of precision die-casting parts with strict requirements for surface finish. Furthermore, the engaging design of the fastening bolts and positioning holes, combined with the anti-slip structure of the threaded ring, ensures that the stop bar assembly maintains a stable connection under high pressure conditions.

The utility model discloses a tail clamping device with an anti-vibration input shaft. A box body; the power input shafts are arranged up and down; the device comprises a pair of lower swing seats, a pair of upper swing seats, a plurality of telescopic power mechanisms I and a plurality of groups of telescopic power mechanisms II, the telescopic ends of the telescopic power mechanisms I are hinged to the outer walls of the lower swing seats, and the telescopic ends of the telescopic power mechanisms II are hinged to the outer walls of the upper swing seats; the two groups of cylindrical roller bearings are arranged in the box body, each group of cylindrical roller bearings comprises cylindrical roller bearings which are arranged on the peripheral surfaces of the two ends of the power input shaft, and the peripheral surfaces of the cylindrical roller bearings form contact surfaces which are propped against the upper swing seat and the lower swing seat; and the middle parts of the bearing glands penetrate through the power input shaft and cover the flat end surfaces of the two ends of the lower swing seat and the upper swing seat. Due to the fact that the cylindrical roller bearings are additionally arranged at the two ends of the power input shaft, and the cylindrical roller bearing on one side of the power output end is the NUP flange cylindrical roller bearing, axial force can be effectively controlled, and pressure borne by unit area of radial force is reduced.

The application discloses a power plant boiler fan visual disassembly platform based on digital twin technology, and relates to the technical field of power equipment maintenance.The platform comprises a data fusion module, a model construction module, a visual disassembly module and an intelligent management module.The data fusion module is used to construct a maintenance knowledge graph.The model construction module performs enhanced semantic labeling on a constructed three-dimensional fan model, associates the three-dimensional fan model with the maintenance knowledge graph, and obtains an identifier mapping table.The visual disassembly module performs rendering and interaction of the three-dimensional fan model, and updates the three-dimensional fan model in real time based on the identifier mapping table, and simultaneously decomposes and visually presents the disassembly process based on the maintenance knowledge graph.The intelligent management module performs intelligent management based on the maintenance knowledge graph and the identifier mapping table.The application realizes visual disassembly of the fan, improves the efficiency and accuracy of maintenance work, and reduces the maintenance cost and resource consumption.

This utility model relates to the field of steel metallurgical equipment technology, specifically disclosing a precise control device for the stroke of a hydraulic shear in a billet continuous casting machine. It includes a limiting component located on the upper shear blade seat and a triggering component located on the lower shear blade seat. The limiting component includes a first fixed plate, a limiting body, and a contact head. The first fixed plate is fixedly connected to the upper shear blade seat, the limiting body is mounted on the fixed plate and has an internal mounting cavity, and the contact head is slidably located within the mounting cavity and connected to the hydraulic shear control circuit via an electrical wire. This 45° suspended hydraulic shear limiting device has a simple structure, low cost, and is easy to manufacture. It can operate stably in harsh environments. The contact head relies on self-realignment to ensure reliable signal transmission and effectively avoids fatigue fracture of the piston rod fixing bolts caused by excessive shear stroke of the hydraulic cylinder, extending the service life of the hydraulic cylinder, reducing the frequency of spare parts replacement, saving costs, and reducing the labor intensity of employees.

The utility model relates to the technical field of impurity removal devices, in particular to a quenching impurity removal device for aerobic carbon conversion reaction gas. Comprising a supporting bottom plate, a cooling box, a condensing mechanism, a gas conveying pipe, an impurity removing box, a gas inlet pipe, a filtering mechanism, a gas outlet pipe, a gas detector, a three-way valve, a backflow pipe and the like. A cooling box and an impurity removal box are arranged on the left and right portions of the upper side of the supporting bottom plate respectively, a water outlet is formed in the lower side of the cooling box, a condensation mechanism is arranged in the cooling box, an air inlet pipe is arranged on the lower portion of the impurity removal box, an air conveying pipe passes through the interior of the cooling box and is finally communicated with the air inlet pipe of the impurity removal box, a filtering mechanism is arranged in the impurity removal box, and an air outlet pipe is arranged at the top of the impurity removal box. The quality of gas in the gas outlet pipe is monitored in real time through the gas detector, if the detection result exceeds the standard, the three-way valve is automatically switched to the backflow pipe, unqualified gas is guided into the impurity removal box again for secondary purification until the standard is reached and discharged, it is ensured that the discharged gas meets the environmental protection standard, and secondary pollution is avoided.

The utility model discloses a particle filtering device for adhesive remover production, which relates to the technical field of chemical production equipment and comprises a first pipe connector, a filter part on one side of the first pipe connector and a second pipe connector on one side of the filter part, and a half connecting arc plate is arranged at one end of the first pipe connector; a plurality of filter screens are arranged on the inner wall of the filter part, a limiting ejector rod is arranged at one end of the filter part, and a sleeve is arranged on one side of the second pipe connector. According to the utility model, the filter screen can be quickly disassembled and replaced, and the maintenance downtime is reduced.

The invention relates to the technical field of air filtration, in particular to an air exchange device for nitrogen preparation, which comprises a nitrogen making machine and an air compressor, and further comprises an air pretreatment mechanism, the air pretreatment mechanism comprises a shell, an air inlet pipe and an air outlet pipe are respectively arranged at two ends of the shell, and a through air duct is arranged in the shell; the two circular rotating discs are symmetrically arranged in the machine shell, the planes of the two circular rotating discs are perpendicular to the airflow direction, rotating shafts rotationally connected with the machine shell are fixed to the circular rotating discs, and a plurality of U-shaped cavities are formed in the outer arc surfaces of the circular rotating discs at equal angles. According to the air purifier, the two circular rotating discs are symmetrically arranged at the positions, corresponding to the air channels, in the machine shell, the multiple U-shaped shells are arranged in the circumferential direction of each circular rotating disc, and each U-shaped shell is filled with the different filtering media, so that the circular rotating discs are driven to rotate, different medium filtering combinations can be rapidly switched, and the air purifier is adaptive to variable air inlet quality; the problem that a traditional pre-filter is single in function is effectively solved.

The utility model discloses an anti-blocking discharging device for a stock bin, and relates to the technical field of discharging equipment. The anti-blocking discharging device for the stock bin comprises a discharging barrel and a replaceable stirring mechanism, the replaceable stirring mechanism comprises a rotating disc, a mounting disc, a clamping groove, a clamping block, a spring, a round rod, a rotating assembly and an arc-shaped groove, the rotating disc is arranged in the discharging barrel, the mounting disc is slidably connected to the top of the rotating disc, the clamping groove is formed in the surface of the mounting disc, and the clamping block is arranged in the clamping groove. The clamping block is slidably connected into the rotating disc, the spring is fixedly connected into the rotating disc, the spring is fixedly connected with the clamping block, the round rod is fixedly connected to the bottom of the spring, the rotating assembly is rotatably connected to the bottom of the rotating disc, the arc-shaped groove is formed in the surface of the rotating assembly, and the round rod is slidably connected into the arc-shaped groove. Rapid replacement of the stirring assembly is achieved through modular design, the stirring requirements of materials with different characteristics are met, and the operation stability and use convenience of the device are improved.