7results about How to "Small output torque" patented technology

The invention relates to the technical field of mooring unmanned aerial vehicles, in particular to mooring unmanned aerial vehicle ground power supply equipment which comprises a rack, a winch body, a driving mechanism, a sliding rail, a movable pulley, a tensile elastic part, a guide pulley and a position monitoring module. When the movable pulley slides towards the first end of the sliding rail, the cable is in a pay-off state, and when the movable pulley slides towards the second end of the sliding rail, the cable is in a take-up state; one end of the tensile elastic piece is arranged on the rack and the other end is connected with the movable pulley; the position monitoring module is arranged along the arrangement direction of the sliding rail and is used for monitoring the position information of the movable pulley; the position monitoring module is further electrically connected with the driving mechanism. According to the invention, the influence of the output torsion of the driving motor on the operation of the mooring unmanned aerial vehicle in the prior art is reduced.

The application relates to the technical field of mechanical equipment, and discloses a driving device and a mechanical equipment, which are used for improving the driving reliability of the driving device and reducing the cost of the driving device. The driving device comprises a base, a driving assembly and an output end seat, the base is provided with a first containing groove; the driving assembly is arranged in the first containing groove, a driven block is arranged on the driving assembly and close to an output shaft; the output end seat is fixedly connected with the output shaft of the driving assembly and the inner wall of the base, and comprises a first end cover, a second end cover and a torsional spring, the first end cover is connected with the second end cover and forms a containing cavity, the first end cover is provided with a first opening, and the second end cover is provided with a second opening; the torsional spring is arranged in the containing cavity, the two ends of the torsional spring are respectively provided with a first torsional arm and a second torsional arm, the first torsional arm extends out of the first opening, and the second torsional arm extends out of the second opening; when the torsional spring is in an energy releasing state, the first torsional arm abuts against a first side of the driven block, and the second torsional arm abuts against a second side of the driven block.

The utility model provides a kind of vacuum sputtering machine convenient to overhaul, including vacuum sputtering machine, overhaul cover body, turnover push rod assembly, by being provided with the overhaul cover body of multiple-angle overturning and lifting above vacuum sputtering machine, and by turnover push rod assembly realizes the automatic overturning and positioning lock of cover body, can effectively solve the problem that cover body is difficult to disassemble in traditional overhaul mode, inconvenient operation and big security risk;Nitrogen spring is used as driving device, hinged in the specific stress position of lifting arm, significantly reduce the output torque required by driving device, improve the stability and smoothness of overturning process;The overall stiffness is enhanced by reinforcing rib plate, further improve the structural reliability when cover body is opened and supported.And be provided with elastic self-locking type fixed bolt, bearing structure and wear-resistant bushing, both improve the convenience and safety when cover body is fixed, effectively reduce the wear between moving parts, prolong the overall service life of device.

This invention proposes a detection device for FAST feed support cables, belonging to the field of robotics. It solves the problems of difficult observation of cables, electrical cables, and optical cables, and the easily affected lifespan of robotic arms. It includes a motion execution device, a vision acquisition device, and a controller. The motion execution device comprises a collaborative dual-arm mounting and fixing assembly and two robotic arm assemblies, symmetrically arranged on the left and right sides of the collaborative dual-arm mounting and fixing assembly. Each robotic arm assembly has a vision acquisition device at its end. The two vision acquisition devices work together to track electrical cables and optical cables in real time. The collaborative dual-arm mounting and fixing assembly includes two adsorption components, each used to adsorb the corresponding side of the robotic arm assembly when not in operation. Both the robotic arm assemblies and the vision acquisition devices are electrically connected to the controller. It is mainly used for cable detection.

This invention provides a two-dimensional electro-hydraulic servo valve based on a wet-dry separation transmission mechanism, comprising a valve body connected to a motor via a mechanical transmission mechanism; the valve body includes a valve core, a valve sleeve, and a valve body; the mechanical transmission mechanism includes a housing disposed between the valve body and the motor, within which are a wet operating chamber and a dry operating chamber, the wet operating chamber being connected to the internal oil passage of the valve body; the dry operating chamber is located on one side of the wet operating chamber, and the motor rotor extends into the dry operating chamber; the mechanical transmission mechanism also includes a transmission assembly, comprising a first-stage torque amplification mechanism and a second-stage torque amplification mechanism connected together. This invention addresses the problems of high-pressure dynamic seal friction loss and short lifespan in existing two-dimensional electro-hydraulic servo valve structures by incorporating a wet operating chamber; simultaneously, the dry operating chamber ensures that the hydraulic oil does not directly contact the motor; the transmission assembly amplifies the motor's output torque, overcoming various resistances encountered by the valve body during operation.

This invention discloses a passive transport exoskeleton based on a variable stiffness gravity compensator and its usage method. The passive transport exoskeleton includes a back strap assembly, a hip fixation assembly, a back linkage assembly, and a thigh actuator assembly. An energy recovery assist device is fixedly connected to the bottom end of the back linkage assembly, located to the side of the hip fixation assembly. The energy recovery assist device includes a bending assist device fixedly connected to the back linkage assembly, a walking assist device driven by the top end of the thigh actuator assembly, a clutch device coaxially mounted on the power transmission shaft of the walking assist device, a pulley system driven by the bending assist device, and a Bowden rope device connecting the clutch devices on both sides. This device requires no external energy supply, relying on its mechanical structure to achieve energy storage, release, and recovery and reuse of negative energy. It can precisely adapt to human gait, match appropriate assist timing, effectively assist hip joint movement, and reduce joint load and human energy consumption.

The invention discloses an exoskeleton health monitoring and fatigue early warning method and system for high-altitude operation, and relates to the technical field of exoskeleton control, and the method comprises the steps: collecting the parameters and body surface temperature data of an operator in real time through an exoskeleton integrated sensor; carrying out noise reduction and feature extraction preprocessing on the collected data; constructing a model based on the multi-dimensional features, evaluating muscle fatigue, joint load and cardiovascular state, and generating a health state score and a fatigue accumulation value; dynamically adjusting an exoskeleton assistance mode and output force according to an evaluation result; and setting a safety threshold value and a grading early warning mechanism, giving out a prompt or limiting high-intensity action when early warning is triggered, and recording related data. Through dynamic linkage of the health state and assistance control, the wearing comfort and the operation continuity are improved, the high-altitude falling risk is reduced through a graded early warning mechanism, and dual guarantees of health and safety are provided for high-altitude operation such as ultra-high-voltage electric power overhaul and the like.