19 results about "Machine repair" patented technology

This utility model discloses a novel electric screwdriver with a modular design, including a screwdriver body and a handle mechanism. The screwdriver body includes a main body shell, a screwdriver head, and a drive assembly. The rear end of the main body shell has a T-shaped or dovetail-shaped locking groove, within which a conductive groove electrically connected to the drive assembly is embedded. The handle mechanism includes a handle housing containing a battery module and a control module. The housing has a slide rail boss that matches the locking groove, and a conductive plate on the boss. When inserted into the locking groove, the plate forms an interference contact with the conductive groove, achieving stable power supply. The contact surface between the conductive groove and the conductive plate is plated with a silver-nickel alloy layer to enhance oxidation resistance. The side of the locking groove has a positioning hole for fixed connection via a limit screw. This utility model has advantages such as convenient assembly and disassembly, stable conductivity, and strong vibration resistance, solving the problems of inconvenient maintenance, limited battery life, and poor versatility of traditional electric screwdrivers. It is suitable for various scenarios such as electronic assembly and mechanical repair.

The utility model relates to the related technical field of electric control cabinets, in particular to a splitting machine rack and an electric control cabinet thereof, which comprise a rack, and the upper surface and the lower surface of one end of an overhaul opening of the rack are fixedly connected with a first rotating shaft. According to the splitting machine rack and the electric control cabinet thereof, the hinge shafts at the positions of the first rotating shaft and the second rotating shaft need to be inserted into the rack, at the moment, the electric control cabinet is completely fixed, when the electric control cabinet needs to be moved away around the first rotating shaft, the hinge shaft at the position of the first rotating shaft is pulled out, and otherwise, when the electric control cabinet needs to be moved away around the second rotating shaft, the hinge shaft at the position of the second rotating shaft is pulled out. When the electric control cabinet needs to be maintained, the hinge shaft at the position of the first rotating shaft is pulled out, so that a user can conveniently maintain the electric control cabinet, and the problems that the electric control cabinet and the rack are designed into a structure in the prior art, and mechanical maintenance cannot be carried out at the position obviously blocked by the electric control cabinet are solved. The electric control cabinet can be moved out of the rack to make room for maintenance.

This invention discloses a correction and alignment device for flange connection on a spin-drying drum, relating to the field of washing machine repair technology. It includes a flange one and a flange two, and a main body. A correction plate is fixedly connected to the surface of the main body, and a snap-fit ​​base is slidably connected to the bottom surface of the main body. A correction component for driving the main body to move is provided on the snap-fit ​​base. Two clamping rods are provided inside the main body, and openings for displacement of the two clamping rods are respectively provided on the surface of the main body. A mating rod is provided below each of the two clamping rods. It also includes two auxiliary components, both located within the main body. Through the arrangement of the two auxiliary components, the two clamping rods first undergo relative displacement and then move vertically upwards synchronously. Furthermore, it includes two mating components, which are respectively connected to the two auxiliary components. Through the mutual cooperation of the above structures, this invention improves the actual user experience after flange correction and ensures the flatness of the flange connection surface.

The present application relates to the technical field of aero-engine, and discloses a combined machining replacement tool for engine rotor blade in maintenance, which realizes the clamping of the tenon of the old blade through the jacking mechanism and the tenon groove, clamps the blade tip of the old blade through the back positioning block and the basin positioning block, makes the standard curved surface of the back positioning block and the standard curved surface of the basin positioning block flush with the blade tip of the old blade, realizes the accurate positioning and clamping of the blade, restores the assembly state of the blade in the rotor, transfers the size of the blade tip of the old blade to the replacement tool, and then clamps the new blade to the tool, so that the size correlation of the blade tip of the new blade and the old blade is realized, and the part of the new blade tip which is higher than the standard curved surface is the part which needs to be removed. The present application also discloses a combined machining replacement machining method for engine rotor blade in maintenance, which realizes the accurate positioning and clamping of the blade through the replacement tool, and realizes the machining of the replacement machine tool through manual repair, so that the repair quality and efficiency are improved.

This invention relates to the field of coal mining machinery technology, and more particularly to a coal mining machinery repair machine with a clamping structure and its operating method. The coal mining machinery repair machine with a clamping structure includes a worktable, support legs, a controller, a drive structure, and an adjustment structure. A first slide groove is formed above the worktable, and the drive structure is disposed inside the first slide groove. The adjustment structure is fixedly installed above the drive structure. Under the control of the controller, the drive structure slides along the first slide groove. Under the control of the controller, the adjustment structure moves the height of the clamping plate relative to the worktable, adjusting the rotation angle of the clamping plate. This invention allows the repair machine to adjust the height and repair angle of parts as needed during repair.

This utility model discloses a device for the rapid disassembly of centrifugal pump impellers, mechanical seals, or bearings, belonging to the technical field of mechanical maintenance tools. The device includes a linear drive assembly, a mounting assembly, and a movable hook assembly. The mounting assembly includes a mounting beam; the linear drive assembly includes a jack and a manual pump, with the manual pump connected to the jack via a hydraulic pipe; after assembly, the jack's jack cone extends towards the pump shaft inside the centrifugal pump, and the jack cone and pump shaft are arranged coaxially; the movable hook assembly includes hook I and hook II. Hook I has a through hole I at one end and a locking piece I at the other end; hook II has a through hole II at one end and a locking piece II at the other end; hook I and hook II are respectively distributed on both sides of the jack. Through the mounting assembly, linear drive assembly, and movable hook assembly, precise, rapid, and efficient disassembly of impellers, mechanical seals, or bearings can be achieved.

This application provides a laser cutting device and method for repairing coal mining machines, relating to the field of coal mining machine repair. To address the problem in existing technologies where dust particles obstruct the output of the laser head during cutting and repairing coal mining machine parts, leading to laser scattering and uneven cutting, thus affecting the appearance quality of the cut parts, this application employs a cleaning mechanism. This mechanism, through the airflow generated by the rotation of a V-shaped plate, creates a comprehensive airflow protective shield around the laser head. This prevents dust from adhering to the output of the laser head from all directions, reducing dust obstruction and improving the cutting quality. Furthermore, the cleaning mechanism solves the problem of excessively high laser head temperature leading to reduced lifespan in existing technologies, and also addresses the problem of damage to the laser head caused by external objects impacting it.

This application discloses a support frame for agricultural machinery repair, belonging to the technical field of agricultural machinery repair equipment. The support frame includes a lifting frame, which comprises a support frame, multiple lifting columns fixedly installed below the support frame, a raised support frame fixedly installed above the support frame, a mounting housing fixedly installed on one side of the support frame, a driving block slidably connected inside the mounting housing, a pushing mechanism installed on one side of the driving block, a liquid pump also installed on one side of the mounting housing, and a flushing assembly installed on one side of the liquid pump. The flushing assembly includes a hose fixedly connected to the output end of the liquid pump, a dispensing box fixedly connected to the end of the hose, and multiple flushing nozzles fixedly connected to the dispensing box. This application's technical solution, by setting up the flushing assembly, the driving block, and the pushing mechanism, can efficiently clean dirt from the bottom of agricultural machinery equipment, effectively preventing this dirt from obstructing the view of repair personnel and facilitating equipment repair.

The present invention consists of a comprehensive technical process for the cleaning, internal repair, and verification of the mechanical integrity of storage tanks, applicable to both aboveground and underground tanks used in gas stations, service stations, and industrial facilities. The process integrates, in an orderly and sequential manner, specialized technical stages that include tank preparation, internal cleaning, visual inspection, ultrasonic inspection, internal mechanical repair, and subsequent verification of mechanical integrity, allowing for an objective evaluation of the tank's structural condition before its return to operation.Unlike traditional methods, this invention combines the precise detection of structural damage with internal corrective actions and subsequent technical validation into a single continuous process. This reduces operational, environmental, and safety risks, and ensures that the tank meets pre-established technical acceptance parameters. The invention results in a reproducible, verifiable, and industrially applicable method for determining the safe operational fitness of storage tanks, extending their service life, and minimizing mechanical failures associated with corrosion or material thickness loss.

The utility model belongs to sewing equipment technical field, especially point to a kind of automatic thread trimming, lift presser foot and tooth under arch device and sewing machine;Including driving motor, cam mechanism, ratchet mechanism;Ratchet mechanism includes the ratchet wheel that is sleeved on rotary output end and does not rotate with rotary output end, keeps group installed on driving piece mounting plate and follow-up piece set on ratchet wheel, tooth under arch drive section drives tooth under arch mechanism action outside still can pass through follow-up piece driving ratchet wheel, keeps group action to adjust tooth height, rotary output end drives cam mechanism rotation, to make lift presser foot mechanism and thread trimming mechanism independent lift presser foot and thread trimming action and do not interfere with each other;The utility model is driven by driving motor to reach the purpose of automatic adjustment tooth height, solve the technical problem that professional technical personnel needs to manually adjust tooth height to machine in prior art, reduce the dependence of processing site to machine repair personnel, improve the operation efficiency of clothing factory.

1. The name of the designed product: multifunctional steering wheel lever spanner. 2. The use of the designed product: mechanical maintenance tool. 3. The design points of the designed product: the combination of shape and color. 4. The picture or photo that best shows the design points: perspective view 1. 5. The design contains color.

1. Name of the product in this design: Mechanical repair wrench. 2. Application of this design: This design is used for bolt wrenches. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a self-guided cutting equipment for aerial work machinery maintenance and relates to the technical field of laser cutting equipment for aerial work. The self-guided cutting equipment comprises a UAV main body, a laser cutting mechanism is arranged on the UAV main body, the laser cutting mechanism comprises a lead screw assembly, the lead screw assembly is installed below the UAV main body, an extension frame is slidably arranged in the lead screw assembly, the lead screw of the lead screw assembly is threadedly connected with the extension frame, the extension frame is driven by the lead screw assembly to extend from or retract into the bottom of the UAV main body, an end frame is installed at the end of the extension frame, and an electric sliding rail is installed on the end frame. The laser cutting mechanism is arranged, the UAV main body can be controlled to move to a cutting position when cutting is needed, the extension frame is controlled to extend from the bottom of the UAV main body based on the working of the lead screw assembly, the sliding seat is controlled to move along a predetermined route through the electric sliding rail, and the laser cutting head is controlled to move from point A to point B, so that the cutting of the path from point A to point B is realized.

This application discloses a hoisting device for coal mine machinery maintenance, comprising: a movable base, a load-bearing shell, a hydraulic support rod, a crossbeam, a primary rotating assembly, a secondary rotating assembly, a lifting assembly, and a hoisting assembly. The movable base is placed on the ground, the load-bearing shell is fixedly mounted on the upper end of the movable base, the hydraulic support rod is fixedly mounted on the upper end of the load-bearing shell, one end of the crossbeam is rotatably mounted on the upper end of the hydraulic support rod, and the other end is fitted with a connecting frame. The crossbeam and the connecting frame are rotatably connected by a hinge. A placement groove is provided at the end of the crossbeam near the connecting frame. The primary rotating assembly is rotatably mounted on the upper end of the hydraulic support rod, the secondary rotating assembly is rotatably mounted on the end of the crossbeam near the connecting frame, the lifting assembly is rotatably mounted on one side of the connecting frame, and the hoisting assembly is sequentially fixedly mounted on the upper ends of the rotating assembly and the lifting assembly. This application effectively solves the problem that hoisting devices for coal mine machinery maintenance are difficult to adapt to different maintenance needs.

This utility model discloses a manual bearing scraping device, relating to the field of mechanical maintenance tools. It includes a bearing scraper blade, an adjustable bearing fixing frame for fixing the bearing, and a gantry frame spanning the outside of the adjustable bearing fixing frame. The gantry frame has longitudinal grooves on both sides, with sliding blocks slidably connected inside the longitudinal grooves. A square shaft drive rod is rotatably connected between two sets of sliding blocks. A cylindrical body is movably fitted onto the outer surface of the square shaft drive rod. A fixing sleeve is movably fitted onto the outer surface of the bearing scraper blade, and the fixing sleeve has a locking knob for fixing the bearing scraper blade. The cylindrical body is fixedly connected to the fixing sleeve. The gantry frame also has an adjustment mechanism for adjusting the cylindrical body in the horizontal and vertical directions. This utility model is applicable to bearings of different sizes and models, reducing manual deviation and maintenance costs, while improving accuracy, efficiency, and applicability.

This invention relates to the field of cigarette machine repair technology, and particularly to a cigarette machine equipment repair reference method, system, electronic device, and storage medium. The method includes: determining reference data one for cigarette machine equipment repair steps based on installation step data for common standard parts and repair step data for key components in the cigarette machine equipment; determining reference data two for cigarette machine equipment repair steps based on repair step data for typical components in the cigarette machine equipment; determining reference data three for cigarette machine equipment repair steps based on daily maintenance data for large / small wheels in the cigarette machine equipment; determining reference data four for cigarette machine equipment repair steps based on preventative maintenance data for spare parts in the cigarette machine equipment; associating reference data four, reference data three, reference data two, and reference data one to construct a cigarette machine equipment repair reference database; and retrieving corresponding repair step data and preventative maintenance data from the cigarette machine equipment repair reference database based on the type and components of the cigarette machine equipment repair, guiding repair personnel to perform repair and preventative maintenance of the cigarette machine equipment according to the repair step data, thus solving the problems of large differences in repair results and low repair efficiency.