9results about How to "High transmission reliability" patented technology

This utility model's electric mining truck gearbox features a three-speed design that allows selection of the most suitable gear based on different working conditions, optimizing power output to meet the power requirements of mining trucks, increasing the coverage of the motor's high-efficiency zone, improving the overall efficiency of the gearbox, and effectively reducing energy consumption. Based on the powerful performance provided by the multi-motor configuration, it enhances the flexibility and efficiency of the drive system. The front intermediate shaft assembly is coaxially connected to the output end of the power coupling assembly, and the rear intermediate shaft extends into the front intermediate shaft assembly and is coaxially aligned with the output end of the power coupling assembly, forming a compact parallel shaft structure. This fully utilizes the radial space of the gearbox and reduces its axial dimensions, thereby reducing the gearbox's volume and facilitating overall vehicle layout. Furthermore, the front and rear intermediate shaft assemblies share the radial and axial loads during transmission, reducing gear stress and improving the transmission stability and reliability under harsh working conditions, thus enhancing the gearbox's adaptability to various operating conditions.

The utility model provides a tractor electric drive power system, including motor module, input module, variable speed module that transmits connection in proper order, variable speed module includes intermediate shaft with input module through the clutch connection, the gear shift tooth cover of slidable assembly along the axle direction on intermediate shaft, rotatable assembly on intermediate shaft gear position drive gear set, gear position driven gear set and gear position drive gear set with gear position drive gear set mesh with output shaft, and the number of intermediate shaft is at least two, and the gear shift tooth cover is combined with gear position drive gear set and forms the connection of intermediate shaft and output shaft along the axial sliding, the utility model improves the high efficiency interval coverage rate of motor, reduces energy consumption, avoids the tooth shaft damage among variable speed module under the sudden situation such as motor out of control, improves transmission safety, and reliability, avoids the power interruption of gear shifting, and reduces the gear shifting impact, improves the scene adaptability of electric drive power system, reduces energy and hardware loss.

This invention relates to a grinding repair method for a central drive spline shaft, belonging to the field of repair technology. The invention proposes a grinding repair method for a central drive spline shaft. This method involves micro-grinding of the splines on a drive shaft with out-of-tolerance tooth direction but whose spline tooth thickness meets process requirements and has a significant remaining lifespan. This restores the technical condition of the spline teeth on the central drive spline shaft to its original process level, extends the lifespan guarantee capability of the drive shaft, and achieves cost reduction and efficiency improvement.

The utility model relates to the technical field of range extending type automobile, especially increase a kind of active air intake grille structure for range extender, including grille frame, the upper or front area of car rear wheel package is provided with grille mounting hole;Grille frame one end is embedded and fixed in the inboard of grille mounting hole, forms air inlet end, the other end is equipped with air outlet end, for connecting the air intake system of range extender;Drive assembly is located on grille frame, for driving flap to carry out overturning movement, to open or close air inlet end. By arranging air inlet end in the upper or front area of car rear wheel package, and setting flap controlled by drive assembly, active opening and closure to air inlet end are realized. When vehicle is in pure electric driving mode, range extender does not need to work, flap closes air inlet end under the action of drive assembly, effectively reduces vehicle front end airflow interference, reduces air resistance, improves pure electric cruising range;When range extender starts, flap is automatically opened, guarantees engine air intake demand.

The utility model relates to ceramic fiber cotton processing equipment technical field, and disclose a kind of ceramic fiber cotton processing silk throwing device, including placing mechanism, is equipped with silk throwing placement bin, auxiliary turning-out groove is opened in the top of silk throwing placement bin, and assembly hole and support are equipped in bottom, rotating mechanism is constituted by speed reducer and connecting frame, and the output of speed reducer is connected with the connecting frame. The utility model is convenient to drive silk throwing assembly and rotary drive mechanism to turn out silk throwing placement bin by rotating mechanism and arc auxiliary turning-out groove cooperation, solve traditional device material loading and unloading difficult, component maintenance inconvenient problem, greatly improve operation efficiency and device maintainability, reduce manual operation intensity.

A toothed chain transmission system, belonging to the field of chain drive technology, includes a toothed chain and sprockets that mesh with each other. The chain includes guide plates, toothed chain plates, pins, and rollers. Rollers are mounted on the pins. The guide plates are located on both sides of the chain, and the two ends of the pins are respectively interference-fitted with first connecting holes on the guide plates. The toothed chain plates include first toothed chain plates and second toothed chain plates. The first toothed chain plates are arranged side by side along the pin axis on two adjacent pins between adjacent guide plates. The second toothed chain plates are connected to two pins located on the inner side of the first toothed chain plates between adjacent first toothed chain plates. This invention is based on the meshing transmission principle of toothed chains and optimizes and improves the original toothed chain, thereby achieving the goals of noise reduction, load increase, and transmission efficiency improvement when used in conveying equipment, significantly improving the overall performance and reliability of the chain drive system.

This utility model discloses a power transmission component structure for an electric micro-tiller, belonging to the field of agricultural machinery technology. It includes a mounting frame, with a transmission mechanism fixedly connected to the upper surface of the mounting frame. An adjustment mechanism is provided on the inner wall of the transmission mechanism. The transmission mechanism includes a mounting plate fixedly connected to the upper surface of the mounting frame, a motor fixedly connected to the side surface of the mounting plate, and a reducer fixedly connected to the upper surface of the mounting plate. The output shaft of the motor is fixedly connected to the input end of the reducer. This power transmission component structure for an electric micro-tiller forms a closed space through a screw connection between a sealed housing and a support plate, effectively isolating external dust, mud, and moisture, and preventing impurities from entering the sprockets, chains, and other transmission components. Simultaneously, the grease applied to the surface of the components reduces meshing friction and wear, lowers operating noise, and the detachable design of the sealed housing facilitates later maintenance and replacement.

The utility model relates to valve technical field especially relates to a kind of liquid hydrogen stop valve of magnetic coupling drive, including valve assembly, valve assembly includes valve body part and the movable part installed on valve body part, movable part is used to open or close valve body part, elastic member is installed on movable part, inductive unit is installed on valve body part, elastic member is used to exert pre-tightening force to movable part, inductive unit is used to detect the stress value of elastic member, drive assembly is installed on valve body part, when inductive unit detects the stress value of elastic member is F1, it sends signal to drive assembly;The utility model realizes the control to drive assembly by the stress change of conical spring, so that valve can make support assembly play the supporting effect to valve core in opening state, prevent the sliding of valve core caused by magnetic coupling device failure, ensure the safe use of valve.

The utility model relates to the technical field of submarine shaft construction, disclose a kind of slurry balance anti-well drilling machine, comprising: anti-pulling driving device, suitable for installation on seabed;Tunneling host, including cutterhead and shield body;Drill rod, its upper end is drivingly connected with anti-pulling driving device, its lower end is connected with tunneling host;Anti-pulling driving device carries tunneling host and provides upward tunneling driving force for tunneling host.Slurry balance anti-well drilling machine is not set to push system, directly through anti-pulling driving device carries tunneling host and provides upward tunneling driving force for tunneling host, applicable to hard rock formation, improve tunneling efficiency, shorten construction cycle, further reduce the risk of water seepage, enhance the adaptability of equipment, expand the site selection range of nuclear power plant or deep sea sewage;And because there is no push system, will not occupy the internal space of main tunnel and squeeze the space of fire escape passage.