71 results about "Mechanical engineering technology" patented technology

The utility model provides a kind of bracket device of production mine electric wire cable equipment force arm adjustment, belong to mechanical engineering technical field, including support mechanism, including pedestal, the column of being fixed in the top of the pedestal, the support column of being fixed in the top of the pedestal, the connecting plate of being fixedly installed in the top of the column, and the lifting lug of being fixed in the surface of the connecting plate;Wire reel fixing mechanism, including the support assembly of being movably installed in the lateral wall of the column, the centring assembly of being rotated in the lateral wall of the column, and the locking assembly being arranged in the surface of the centring assembly.The utility model is designed by reverse thread in the both ends of screw rod of centring assembly, both sides slider synchronous movement when rotating handle, ensure the distance of clamp to wire roll center, realize that wire reel is always located in the central position of wire roll, so that axial force distribution is uniform, wire laying precision is improved, wire roll deformation is also avoided simultaneously, and service life is improved.

The vertical shaft derrick plastic energy dissipation protection beam structure disclosed by the application comprises a plastic energy dissipation component, a support component is fixed to the upper side of the plastic energy dissipation component through a plurality of bolts, a soft steel energy dissipation support is fixed to the two sides of the support component, the other sides of the two soft steel energy dissipation supports are fixed to steel columns, a plurality of buffer supports are further arranged, the buffer supports are fixed to the lower side of a steel beam, the steel beam is arranged above the support component, and the buffer supports correspond to the support component. The energy dissipation protection beam has the advantages of simple structure, convenient installation, wide application in the technical field of impact resistance protection in civil engineering and mechanical engineering, effective absorption and dissipation of impact energy, cooperation of multiple dissipation components and protection components, greatly improved energy dissipation capacity of the protection component, easy installation and replacement of the plastic energy dissipation components, low cost, and high protection efficiency.

This utility model provides a positioning device for improving the transmission accuracy of a torque converter assembly, belonging to the field of mechanical engineering technology. It includes a mounting mechanism and a mounting component. The mounting component has a chassis and a mounting groove formed on the chassis. The torque converter assembly is detachably mounted in the mounting groove. The positioning mechanism includes a drive component and a limiting component. This utility model, through improved structural design of the positioning device, effectively solves the problems of low positioning accuracy, unstable clamping, and easy damage to the workpiece surface in traditional torque converter assembly positioning methods. It adopts a flexible protection mechanism combining an elastic contact surface and a buffer pad layer, which not only improves clamping stability but also reduces the risk of wear on the torque converter assembly surface. Simultaneously, by using a knob to drive the limiting component, it achieves simultaneous improvement in operational convenience and positioning accuracy, effectively ensuring the transmission performance and service life of the torque converter assembly and meeting the needs of high-precision assembly and efficient production.

The utility model provides a kind of anti-drop type mechanical engineering hoist device, belong to mechanical engineering technical field, to solve the hoist device of existing, part relies on C-shaped lifting hook and slides, part is operated complicated with elastic tab anti-drop, and spring is frequently used and is prone to damage to function attenuation problem. Including lifting appliance main part, hook, inner hook piece, anti-drop block, knob, limiting block, anti-drop assembly and adjusting assembly, the hook is fixedly installed in lifting appliance main part bottom;The inner hook piece is arranged in hook interior;The anti-drop block is fixedly connected in inner hook piece interior;The knob is rotatably connected in inner hook piece interior;The limiting block is provided with two groups, two groups The limiting block is slidably connected in inner hook piece interior;The anti-drop assembly is arranged in hook interior;The adjusting assembly is arranged in inner hook piece interior.The utility model has the advantages of reliable anti-drop, simple operation, maintenance directly and the like.

The present application relates to the technical fields of mechanical engineering, and proposes a hoist head sheave operation parameter adjustment method and system based on radial runout compensation, which comprises: collecting radial runout displacement signals and steel wire rope tension signals of the head sheave in real time by using a multi-dimensional sensor array; performing empirical mode decomposition on the radial runout displacement signals to decouple low-frequency eccentric components and high-frequency deformation components of the head sheave; calculating a dynamic load change rate of the head sheave to nonlinearly correct the low-frequency eccentric components and generate a rotational speed adjustment parameter of the head sheave; generating a resonance spectrum of the head sheave, calculating a similarity between the resonance spectrum and a preset standard health spectrum, identifying a resonance main frequency band of the high-frequency deformation components when the similarity is lower than a preset similarity threshold, determining a damping stiffness adjustment parameter of a head sheave bearing seat, and combining the rotational speed adjustment parameter and the damping stiffness adjustment parameter to perform adaptive adjustment on the head sheave. The present application can improve the operation stability of the head sheave system.

The utility model provides extruding device of tire processing belongs to mechanical engineering technical field, including bearing mechanism, including bottom plate, fixed plate of fixed installation in bottom plate outer surface, material box of setting in bottom plate outer surface, and the material box intercommunication's discharge pipe, and the spray head of discharge pipe intercommunication, the fixed mechanism includes the fixed frame of fixed installation in bottom plate outer surface, sets up in fixed frame one side and is used for the orientation subassembly of tire positioning, and the drive subassembly of tire rotation. The utility model discloses through the mutual cooperation of orientation subassembly and drive subassembly, has realized the automatic positioning of different specifications tire, stable clamping and even rubberizing, the first motor cooperation thread bar and internal thread block in orientation subassembly, can automatically adjust the roller spacing, can adapt to a variety of tire size, and drive subassembly makes the rotation of limiting block through second motor, makes tire steady rotation, ensures the evenness of rubberizing and operation stability, has improved tire extruding efficiency and product quality.

This utility model relates to the field of mechanical engineering technology and discloses a fixture for producing risers. It includes a fixed frame, a hydraulic telescopic device fixedly connected to the top of the fixed frame, a sliding plate fixedly connected to the drive end of the hydraulic telescopic device, a sliding block fixedly connected to one side of the sliding plate, a fixed plate on the inner wall of the fixed frame, a vertical guide rail on one side of the fixed plate, and the inner wall of the sliding block slidably connected to the outer wall of the guide rail. A bent rod is hinged to each end of the sliding plate, and a connecting block is fixedly connected to one end of each bent rod. In this utility model, by activating the hydraulic telescopic device, the drive end of the hydraulic telescopic device can drive the sliding plate to move. The sliding plate can slide on the guide rail via the sliding block. The movement of the sliding plate can drive the bent rod to rotate, and the rotation of the bent rod can drive the connecting block and the gripper to move.

This invention belongs to the field of mechanical engineering technology and discloses a support device for a telescopic arm of a robot for adding a cover to a mixed-iron car. The device includes a support plate, a limiting box fixedly installed on the top of the support plate, a threaded sleeve movably installed inside the limiting box, and an mounting plate fixedly installed on the top of the threaded sleeve. The mounting plate has a sliding groove inside. Compared with traditional devices, this invention, through the cooperation between the threaded sleeve and the threaded rod, facilitates the slow upward movement of the telescopic arm, greatly improving operational flexibility. It allows the robot to easily cope with different working conditions and positional requirements, expands the working range, reduces adjustment time due to height mismatch, optimizes the work process, significantly enhances work efficiency, and ensures a safe distance between the robot and the mixed-iron workshop through precise height adjustment, reducing operational risks and improving the stability of the telescopic arm during operation, effectively ensuring operational safety.

This invention discloses a safety protection device, system, and method for a grader, belonging to the field of mechanical engineering technology. The device includes: a protective shell installed on the front or rear platform of the grader, and a fixed rod connected to the protective shell. The upper end of the fixed rod has an upper support lug and a lower support lug; a rotating rod and a handrail installed on one side of the rotating rod. The upper end of the rotating rod opposite to the handrail has an upper support lug, and the lower end of the rotating rod opposite to the handrail has a lower support lug. The upper support lug is inserted between the upper and lower support lugs of the fixed rod and is rotatably connected to them via a pin. A drive mechanism is installed inside the protective shell, and the output shaft of the drive mechanism is connected to the lower support lug of the rotating rod, used to drive the protective mechanism to rotate between the deployed and retracted positions. This invention can achieve fully automatic safety protection for the grader and avoid interference between the protective device and other equipment.

This utility model discloses a fiber optic acoustic wave sensing OTDR pipeline monitoring device, relating to the field of mechanical engineering technology. The fiber optic acoustic wave sensing OTDR pipeline monitoring device includes an OTDR fiber optic tester, a display screen, buttons, connectors, and interfaces. The OTDR fiber optic tester is equipped with four protective devices, each including rubber damping pads and rubber limiting blocks. When the fiber optic acoustic wave sensing OTDR pipeline monitoring device is subjected to external vibration, the vibration is transmitted to the OTDR fiber optic tester. At this time, the rubber damping pads installed at the four corners of the OTDR fiber optic tester come into play. They possess elasticity and viscosity; their elasticity allows them to deform under vibration impact, converting some of the vibration energy into their own elastic potential energy. Through this elastic deformation and internal dissipation, the rubber damping pads absorb and buffer the vibration energy, reducing the vibration transmitted to the inside of the OTDR fiber optic tester, thereby protecting the internal precision optical and electronic components.

This utility model relates to the field of mechanical engineering technology and discloses an automatic lubrication device for a crusher, including a base and a crusher body. An oil storage tank is fixedly connected to the top of the base. An oil pump is installed at the end of the oil storage tank away from the base, and an oil delivery pipe is fixedly connected to the output end of the oil pump. An oil injection pipe is fixedly connected to the top of the crusher body. A refueling pipe is installed on the side of the oil storage tank away from the crusher body. A quick-release filter assembly is installed inside the refueling pipe. A controller is installed inside the oil storage tank, and a collector is fixedly connected inside the oil storage tank. A grounding wire is fixedly connected to the side of the collector away from the oil storage tank. In this utility model, through the cooperation of the collector, grounding wire, connecting post, and electrostatic spring, the generated static electricity is promptly conducted to the ground, improving the safety of the automatic lubrication device in flammable and explosive environments.

The utility model discloses a wide wall paper winding device relates to mechanical engineering technical field, the utility model discloses a base, the base top fixedly connected with the object table, be provided with the flattening mechanism on the object table, be provided with the adjusting mechanism on the object table, the flattening mechanism includes the connecting shell fixedly connected in the object table top, the utility model discloses a moving block has been set, and the thickness of wall paper self will slightly push up gyro wheel no.

This utility model discloses a quick assembly device for galvanized steel sheet ducts, relating to the field of mechanical engineering technology. The device includes a support base and two sliding seats. Each sliding seat has two limiting components, each including a movable seat and a clamping block. The upper surface of the movable seat has two first T-shaped block slots, and the lower surface of the clamping block is fixedly connected to two first T-shaped blocks. By rotating a threaded sleeve within the limiting component, which is threadedly engaged with a rotating threaded rod, the rotating threaded rod causes the limiting block to slide into the clamping block. The limiting block then exits from the limiting block slot of the movable seat, releasing the clamping block from its fixation. The clamping block can then be slidably removed from the first T-shaped block slot of the movable seat. This simple and quick disassembly of the clamping block effectively improves the maintenance and repair efficiency of the clamping block while reducing the workload of workers.

This utility model relates to the field of mechanical engineering technology and provides a floating mechanism. A mounting cover and a positioning cover are fixedly connected. A floating cross disc is disposed inside the mounting cover. A transverse sliding plate is fixedly installed on the upper side of the floating cross disc. A transverse slide block is fixedly installed inside the positioning cover, with the transverse sliding plate and the transverse slide block slidably connected. A longitudinal sliding plate is fixedly installed on the lower side of the floating cross disc. A longitudinal slide block is fixedly installed inside the mounting cover, with the longitudinal sliding plate and the longitudinal slide block slidably connected. A transverse return spring pin is disposed on the mounting cover and cooperates with both transverse ends of the floating cross disc. A longitudinal return spring pin is disposed on the positioning cover and cooperates with both longitudinal ends of the floating cross disc. This utility model solves problems such as assembly interference, workpiece damage, equipment overload, and low production efficiency caused by minute positional deviations in automated production. It features low cost, high efficiency, and high reliability.

The application discloses a quick plug connector device and an operating method thereof, and belongs to the technical field of mechanical engineering, which comprises a fixed connector, a butt connector, a pendulum assembly, a driving head, a dismounting frame and an unlocking key. The fixed connector comprises a fixed connector body, a first locking hole, a first locking adjusting hole, a second locking hole and a second locking adjusting hole; the butt connector comprises a butt connector body, a first sliding lock hole, a second sliding lock hole, a limiting block and a sliding groove; the butt connector body comprises a front cavity, a rear cavity, a partition plate and a guide groove; the first sliding lock hole and the second sliding lock hole are limited by limiting surfaces; the pendulum assembly comprises a front pendulum, a front pendulum fixing pin, a rear pendulum and a rear pendulum fixing pin; the front pendulum and the rear pendulum comprise a weight deviation end, a locking end, a fixing hole and a guide surface; the driving head comprises a driving head body and a sliding block; and the dismounting frame comprises a body, a lifting connector, a limiting groove and an unlocking groove. The technical scheme of the application is more prominent in high-altitude operation.

This utility model discloses a bearing structure for a turbocharger, belonging to the field of mechanical engineering technology, and specifically relating to a bearing system used to support the high-speed rotating spindle in a turbocharger. This utility model aims to solve the shortcomings of existing technologies, such as the large wear and high transmission resistance of floating ring bearings during start-up and shutdown, and the complex, costly, and unreliable structures of custom ball bearings developed to meet the high-speed requirements of turbochargers. This utility model uses a conventional ball bearing structure, and through the setting of an inner spacer ring, an outer spacer ring, spacers, and a reasonable oil circuit design, achieves the goals of reducing transmission losses, improving performance, reducing costs, and improving reliability. This utility model provides various specific embodiments to adapt to the needs of different turbocharger models.

This utility model relates to an adjustable pneumatic sealing device for a large gear cover in a mill, belonging to the field of mechanical engineering technology. The large gear cover has pneumatic sealing rings on both sides, and a pressure plate is installed on the outer side of each sealing ring. The pressure plate, sealing rings, and gear cover are fixed together as a unit by bolts a and nuts. An air source is connected to a pneumatic triplet, which is connected to the inlet of a flow control valve. The outlet of the flow control valve is connected to a two-position three-way valve, which is connected to the pneumatic sealing rings. A T-shaped seal is embedded in the sealing rings. The oil collection groove and the large gear are fixed together by bolts b and nuts. After the sealing rings are inflated, they expand radially under the constraint of the pressure plate, allowing the T-shaped seal to contact the oil collection groove and achieve a sealing effect. This utility model has advantages such as simple installation, convenient replacement, low manufacturing cost, and good sealing performance.

This utility model relates to the field of mechanical engineering technology and discloses an anti-clogging tracked mobile crushing station, including a shell, a crushing mechanism and an anti-accumulation mechanism inside the shell, a mobile track fixedly connected to the bottom of the shell, and a discharge conveyor belt fixedly connected inside the shell. The crushing mechanism includes a rotating column, a crushing column body fixedly connected to the outside of the rotating column, four protrusions fixedly connected to the outside of the crushing column body, a braking assembly outside the rotating column, and an auxiliary mechanism outside the fixed shaft inside the shell. In this utility model, through a multi-stage linkage dynamic crushing structure, the collision of protrusions, the multi-angle impact and grinding of rotating blocks, and the synergistic action of rotating baffles and pads, efficient crushing and continuous conveying of materials are achieved. The flexible transmission system reduces the risk of equipment failure and balances crushing efficiency and equipment life.

This utility model relates to the field of mechanical engineering technology and discloses a sealing structure for a high-speed rotating shaft. It includes a sleeve, with a rotating shaft rotatably connected to its inner wall. The inner wall of the sleeve is equipped with a cooling mechanism and a sealing mechanism. A cooling groove is formed in the inner wall of the sleeve, and a liquid replenishment mechanism is provided at the top of the sleeve. The cooling mechanism includes two vertical pipes, the outer walls of which are fixedly connected to the front and rear ends of the inner wall of the sleeve. Two connecting pipes are fixedly connected to adjacent sides of the two vertical pipes, and heat sinks are fixedly connected to the outer walls of both vertical pipes. In this utility model, the cooling lubricating fluid in the cooling groove vaporizes and absorbs heat, allowing the steam to exchange heat with the liquid cooling pipes and then condense and reflux. The optimized liquid flow direction of the guide ring and guide holes, combined with external water cooling, improves heat dissipation efficiency and ensures stable operation of high-speed rotating equipment.

The present application relates to the technical fields of mechanical engineering, and discloses a progressive forming rolling tool head, which comprises a tool bar and further comprises a connecting part installed on the tool bar, an inner supporting part arranged on the tool bar, a limiting assembly installed on the tool bar, and a locking assembly arranged on the tool bar; the limiting assembly comprises a connecting rod one arranged on the tool bar, a plurality of hooks fixedly connected to the right side of the connecting rod one, a fixing ring arranged on the tool bar, an adapter arranged on the fixing ring, and the hooks extending into the fixing ring. The connecting part is arranged to solve the problem that the existing tool head is rigidly locked without elastic compensation allowance, is extremely easy to wear and loose under running vibration, generates axial play clearance, causes abnormal noise eccentricity, aggravates fatigue loosening, and even falls off and fails.

The utility model relates to the technical field of mechanical engineering, in particular to a multifunctional long-arm type hydraulic actuating mechanism which comprises a bearing mechanism, a swing seat, an oil supply mechanism and a deflection mechanism are arranged on the bearing mechanism, and the swing seat rotates leftwards and rightwards through the deflection mechanism; the detachable executing mechanism is installed on the rotary connecting base and can be flexibly replaced according to operation requirements. The large arm and the small arm are rotationally connected to form a connecting rod structure, the large oil cylinder drives the large arm to adjust the stretching angle, the small oil cylinder finely adjusts the position of the small arm, the working oil cylinder drives the executing mechanism to turn over through the rotating arm, and multi-angle operation is achieved. The oil supply mechanism provides hydraulic power for all the oil cylinders, and motion coordination is ensured. By means of the detachable executing mechanism and the multi-oil-cylinder-driven arm structure, multi-function switching and accurate motion control are achieved, and the multi-oil-cylinder-driven multi-functional robot is suitable for multiple scenes of gardens, agriculture and the like, effectively improves operation efficiency and flexibility and reduces equipment replacement cost.

The utility model discloses a screw assembly protection device relates to mechanical engineering technical field, the utility model discloses a screw, the nut is connected with the screw outer surface thread, be provided with the protection mechanism on the screw, be provided with locking mechanism on the screw, the protection mechanism includes the connecting ring fixedly connected on the screw outer surface, the utility model discloses the protection shell no.

The utility model relates to related technical fields in the field of mechanical engineering technology especially relates to a kind of protective device for machining center, including working housing, the outside surface of working housing is provided with synchronous uncovering mechanism, the side surface of synchronous uncovering mechanism is provided with safety self-locking mechanism.This kind of protective device for machining center, by the setting of synchronous uncovering mechanism, utilize the meshing transmission and symmetrical linkage structure of gear and toothed plate, so that two groups of protective front cover realize synchronous smooth opening and closing, simultaneously avoid the structural deformation caused by unilateral stress;By the setting of safety self-locking mechanism, with the mechanical locking of the carding male piece and female groove, the elastic reset of memory spring and the electrical interlock of circuit path, form double safety protection mechanism, can effectively prevent protective door accidental opening in the processing process, simultaneously realize the safety logic of "not closed not start" through circuit signal linkage, from mechanical and electrical level all-round guarantee operator safety and equipment normal operation.

This utility model relates to the field of mechanical engineering technology, specifically disclosing a square tube structure, including a square tube body. The square tube body includes a first tube and a second tube connected vertically, and also includes connecting components. The connecting components are respectively disposed on the first tube and the second tube, and each connecting component includes a rivet nut and a reinforcing block. Countersunk holes are provided on the first tube and the second tube, and the rivet nut is disposed in the countersunk hole. The reinforcing block is disposed on the inner wall of the first tube and the second tube, and the rivet nut passes through the reinforcing block. This utility model ensures the required connection strength while avoiding gaps at the connection end faces.

This utility model provides a multi-angle adjustable arm for a welding robot, belonging to the field of mechanical engineering technology. It includes a support mechanism and a fixing component mounted on the support mechanism for stable installation of the overall structure. The fixing component includes a base and a support column. The base is connected to the support mechanism, and the support column is mounted on the base to enhance the stability and height adjustment capability of the overall structure. The drive mechanism includes an adjustment assembly and a welding assembly. This utility model, by setting an adjustment assembly composed of a first, second, and third adjusting arm, combined with a modular welding head and a guide rod with a wear-resistant protective layer, effectively solves the problems of limited angle adjustment, poor adaptability, and insufficient guiding performance of traditional welding adjusting arms. This improves the operational flexibility, process adaptability, and operational reliability of the welding robot, meeting the technical requirements of modern industry for high-precision, multi-scenario welding equipment.

This utility model belongs to the field of mechanical engineering technology, specifically a smartwatch with a detachable bezel. It includes a smartwatch body with multiple lugs fixedly installed on both sides. A mounting base is rotatably installed between each lug. The mounting base has a limiting block inside, with one end of the limiting block's bottom tightly abutting a first moving rod, and the other end's top tightly abutting a second moving rod. Pushing the connecting rod towards the smartwatch body causes the second moving rod to move towards the smartwatch body. When the second moving rod moves towards the smartwatch body, it causes one end of the limiting block to rotate downwards. At this time, the other end of the limiting block moves towards the smartwatch body. The downward movement of the limiting block disengages from the limiting groove inside the connecting joint, allowing for more convenient replacement and repair of the first and second bezels.

The utility model discloses an anti-blocking feeding device of a biomass particle boiler, and relates to the technical field of mechanical engineering. An anti-blocking feeding device of a biomass particle boiler comprises a supporting base, a feeding bin and a connecting box, a filtering assembly is arranged on the connecting box and comprises a feeding box, a fixing plate, a screen, a discharging plate and a collecting box, materials in the filtering assembly enter from a feeding port of the feeding box, and due to the fact that the screen is obliquely arranged in the feeding box, the filtering assembly is arranged on the supporting base; materials slide downwards along the surface of the screen mesh under the action of gravity, meanwhile, the vibration motor is started, vibration generated by the vibration motor is transmitted to the feeding box and the screen mesh, so that the screen mesh vibrates at high frequency, the materials continuously jump and slide on the screen mesh under the action of vibration, and the materials meeting the aperture requirement of the screen mesh penetrate through the screen mesh. And impurities in the materials cannot penetrate through the screen, so that the impurities are effectively prevented from entering the boiler feeding bin to block the feeding channel, and the practicability and the reliability of the equipment are further improved.

This application relates to the field of mechanical engineering technology and discloses a method and system for real-time detection of the shock absorption performance of electric vehicle front forks, aiming to solve the problems of traditional front fork detection data being disconnected from operating conditions, insufficient real-time early warning capabilities, and single indicators. The method includes: acquiring and preprocessing triaxial acceleration signals of the front fork; calculating axial compression stroke, rebound rate, damping force change rate, and energy dissipation index; outputting a health level through a state discrimination model and uploading it to the cloud; and dynamically correcting the level through a cloud analysis platform, triggering early warnings, and pushing maintenance instructions. The system includes: a multi-axis micro-vibration sensor module, an embedded edge computing unit, a wireless communication module, a cloud analysis platform, and a human-machine interaction terminal. By adopting the above technical solution, this application can achieve real-time monitoring of front fork shock absorption performance under all operating conditions, improve the accuracy of performance degradation early warning, construct a multi-dimensional evaluation system, and is easy to deploy on mass-produced vehicles.