13results about How to "Sports Efficient" patented technology

The invention relates to the technical field of household cleaning, and discloses a floor brush and cleaning equipment, the floor brush comprises a shell, a rolling brush, a dirt scraping mechanism and a driving device, and the dirt scraping mechanism is used for scraping dirt on the rolling brush; the driving device is in transmission fit with the dirt scraping mechanism and is used for driving the dirt scraping mechanism to move between a dirt scraping position in contact fit with the rolling brush and an avoiding position in clearance fit with the rolling brush; the cleaning equipment has a working mode and a self-cleaning mode; when the cleaning equipment is in the working mode, the driving device drives the dirt scraping mechanism to move to a dirt scraping position; when the cleaning equipment is in the self-cleaning mode, the cleaning equipment is located in the base station, and the driving device drives the dirt scraping mechanism to move to the avoiding position. In the self-cleaning process, the driving device can drive the dirt scraping mechanism to move to the avoiding position in clearance fit with the rolling brush, so that the dirt scraping mechanism is separated from the rolling brush, friction between the dirt scraping mechanism and the rolling brush is reduced, the service life of the rolling brush is prolonged, the replacement frequency of the rolling brush is reduced, and the replacement cost is saved.

The invention discloses a robot motion control system and control method based on machine vision, relates to the technical field of machine vision, and provides effective data input for an error calculation and correction module by extracting a local feature point set Fp during operation of the system. And the error calculation and correction module calculates an image translation error Et and a rotation error Er based on the feature point set Fp, obtains a translation vector T and a rotation error R by correcting the image position, generates a complete panoramic image P, and provides reliable visual information support for subsequent target positioning and path planning. The motion control and target positioning module is combined with a panoramic image P and a positioning algorithm, so that the target positioning precision is improved, the path planning is optimized, the problems of image dislocation, positioning errors and path instability in a traditional method are solved, and the adaptive capacity and task execution efficiency of the robot in a dynamic environment are greatly improved.

The utility model provides a breath monitoring throw pillow which comprises a deformation element, an outer sleeve and an inner container arranged in the outer sleeve, and a control box is arranged in the inner container. A control circuit board and a gyroscope chip are arranged in the control box, and the gyroscope chip is used for monitoring breathing parameters of a user when the throw pillow is placed on the chest or abdomen of the user; the control circuit board is connected with the gyroscope chip and is used for receiving breathing parameters of a user; the control circuit board is connected with the deformation element and used for controlling the deformation element to expand or contract. According to the throw pillow, the breathing parameters of the user can be collected.

The invention discloses a bionic underwater robot based on electromagnetic drive flexible hinge jet propulsion and a motion control method of the bionic underwater robot, and belongs to the technical field of bionic actuators and robots. The multiple electromagnetic actuators arranged in a matrix mode are sequentially connected to form a hinge structure, every two vertically adjacent electromagnetic actuators are symmetrically arranged, the multiple electromagnetic actuators are all arranged on the rear side of the fairing and connected with the fairing through connecting pieces, and the multiple electromagnetic actuators are independently controlled; the comprehensive phase difference and the reversing time difference of the multiple electromagnetic actuators are controlled through the electromagnetic driving controller, differential propulsion is achieved, and flexible steering and efficient movement are achieved. The overall structure simulates the jellyfish appearance design, the appearance design conforming to the flowing resistance reduction characteristic is adopted, the resistance during movement in water can be effectively reduced, the electromagnetic driver is used for generating power, the annular flexible structure is extruded to enable a fluid medium to be rapidly sprayed out, and efficient underwater propelling of the micro-robot is achieved.

The present invention relates to the technical field of lubrication of wind turbine gearboxes, and in particular to a lubricating oil for a yaw-pitch speed reducer of a wind turbine and a preparation method thereof. The lubricating oil comprises, by weight, 49-53 parts of metallocene polyalphaolefin, 23-28 parts of a functional fluid containing a low-viscosity and low-volatility polyalphaolefin base material, 15-20 parts of alkyl naphthalene, 2.5-3.0 parts of a composite additive package, 2-5 parts of an oiliness agent, 0.005-0.01 parts of a demulsifier, 0.02-0.03 parts of a defoamer, and 0.005-0.01 parts of a pour point depressant. The lubricating oil for a yaw-pitch speed reducer of a wind turbine according to the present invention has excellent high and low temperature performance, antioxidant performance, additive sensitivity, and foam stability; and the transmission energy efficiency is higher, and has an excellent energy-saving effect.

The utility model discloses a trimming die assembly for a sheet metal part, the trimming die assembly is used for the sheet metal part, the sheet metal part is provided with a first section extending along a first direction and a second section extending along a second direction, the trimming die assembly comprises a first cutter block and a second cutter block, a first cutting edge suitable for cutting the first section is formed on the first cutter block; a second cutting edge suitable for cutting the second section is formed on the second cutter block; wherein the first cutter block forms an avoiding cutting edge at the edge of the first cutting edge, and the avoiding cutting edge obliquely extends between the first direction and the second direction. According to the trimming die assembly, the avoiding cutting edge is arranged on the edge of the first cutting edge of the first cutter block, the first cutter block and the second cutter block do not interfere with each other in movement and do not generate a mutual intersection area, the risk caused by chippings is reduced, and the production efficiency and the product quality are improved.

This invention discloses a biomimetic piezoelectric automatic actuator, relating to the field of precision drive, comprising a body and a piezoelectric transducer for driving the body; the body includes a support frame, a lifting lever, and a lateral lever, the lifting lever and the lateral lever being hinged to the support frame respectively; the piezoelectric transducer includes a fixed beam, a stack of tensile piezoelectric ceramics, a spatial amplification mechanism, and a V-shaped drive beam, the fixed beam being connected to the support frame, the stack of tensile piezoelectric ceramics being tightly fixed to both sides of the inner wall of the fixed beam, the output end of the stack of tensile piezoelectric ceramics being connected to the top of the V-shaped drive beam through the spatial amplification mechanism, the ends of the V-shaped drive beam being driven and engaged with the lifting lever and the lateral lever respectively; under differential phase signal excitation, the stack of tensile piezoelectric ceramics drives the ends of the V-shaped drive beam to generate an elliptical motion trajectory, the V-shaped drive beam driving the lifting lever and the lateral lever, generating an amplified elliptical motion trajectory at the end of the lateral lever, thereby driving the piezoelectric automatic actuator to move, achieving efficient motion.

The application discloses an underwater pipeline external detection robot system and a detection method. The system comprises a work mother ship, a drive device, a laying device, a robot, a multiple sensing device, a searchlight, a protective frame, a tail rudder, a main propeller, a side propeller, a clamping jaw, a body signal receiver, a detection rod, a plurality of laser detection heads, a detection wheel, a landing frame, a laying device, a camera, a signal transmitting and receiving device, an electronic bin, a control device, a motion control module, a detection module and a signal module. The application can realize high-quality underwater pipeline surface damage detection under different water depths and different illumination environments.

The invention discloses a screw top piece composite transmission type electric suction lock which comprises a base plate, a cover plate, a lock piece composite transmission mechanism, a screw electric pushing mechanism and an electric control system. The locking plate composite transmission mechanism is composed of a driving locking plate and a non-return locking plate, and the locking plate composite transmission mechanism is endowed with a reverse rotation trend through a torsion spring. The screw electric pushing mechanism drives the movable seat to move through the screw, and the unlocking top sheet at the lower part of the movable seat can respectively push the driving locking sheet to rotate clockwise for locking or push the non-return locking sheet to rotate anticlockwise for releasing; the electric control system detects the positions of the locking plate and the rack through the three microswitches and controls the motor to rotate forwards and backwards so as to achieve automatic switching of the unlocking state, the semi-locking state and the full-locking state. The locking device is compact in structure, reliable in transmission and capable of accurately recognizing and executing the locking state, the safety is improved, and the service life is prolonged.

The application provides an ankle joint structure, a foot module and a robot, and relates to the technical field of robots. The ankle joint structure is used for controlling the movement of a foot structure relative to a lower limb structure, and comprises a driving unit and a transmission unit. The driving unit comprises a plurality of motors, which are arranged on the lower limb structure. The transmission unit comprises a plurality of transmission rods, one end of each of the transmission rods is in transmission connection with the output end of each of the motors, and the other end of each of the transmission rods is used for being connected with the foot structure. When at least one motor rotates, the corresponding transmission rod is used for driving the foot structure to move relative to the lower limb structure. The length of at least one of the transmission rods is different from the length of the other transmission rods. The application can meet the performance requirements of controlling the movement of the foot structure relative to the lower limb structure.

The utility model discloses a kind of seesaw seat mechanism assembly and body-building exercise seat, with seesaw seat frame, seesaw seat cushion frame, front lifting mechanism of seesaw seat and rear lifting mechanism of seesaw seat, when user sits on seat cushion and both hands hold seat armrest, through the lifting drive of repeated cycle of simultaneously controlling front lifting mechanism of seesaw seat and rear lifting mechanism of seesaw seat, user can be subjected to the compound motion effect of seesaw seat frame and seesaw seat cushion frame simultaneously, user needs to resist the compound motion with force to keep sitting on seat cushion, to realize high-efficiency movement on seat;Therefore, the utility model can be as conventional seat while, also can realize high-efficiency movement on seat. And, the utility model is equipped with leg muscle stretching mechanism assembly, can be as conventional seat while, also can carry out two kinds of leg muscle stretching movement when user sits on seat, provide more comprehensive full-body exercise for user.

The present invention is applicable to the technical field of bionic underwater vehicles, and provides an integrated 3D printed flexible rudder variant mechanism based on a sliding tongue structure, including a flexible rudder structure, a power structure, a skin structure and a support structure. The entire mechanism drives the sliding tongue structure to slide in the sliding tongue groove below the rigid leading edge by means of the meshing of a transmission gear and a rack. When the driving force is applied along the flexible trailing edge, the flexible trailing edge deflects upward, and when the driving force is applied along the rigid leading edge, the flexible trailing edge deflects downward, thereby realizing the deformation of the flexible rudder structure. The first deflection gear drives the inner panel to rotate to drive the flexible rudder structure to deflect as a whole. The present invention overcomes the limitations of traditional continuously deformable rudder blades in miniaturization, flutter suppression and stealth performance, realizes the dual functions of deflection and rudder type change, enables underwater vehicles to move more efficiently and stably in complex underwater flow field environments, and provides strong technical support for deep-sea exploration, underwater operations and other fields.

The invention discloses a pencil feeding clamping mechanism, and belongs to the technical field of electric pencil sharpeners, the pencil feeding clamping mechanism comprises a first pencil clamping assembly, a second pencil clamping assembly, a vortex disc and a mounting disc, the mounting disc is erected above the vortex disc, and the mounting disc rotates to drive the first pencil clamping assembly and the second pencil clamping assembly to get close to each other for clamping or get away from each other for expanding; the mounting disc is connected with an elastic piece, and the elastic piece exerts reverse rotation force on the mounting disc so as to drive the first pen clamping assembly and the second pen clamping assembly to be close to each other. In an initial state, the mounting disc is in contact connection with the vortex disc, the vortex disc rotates to drive the mounting disc in contact with the vortex disc to rotate forwards, so that the first pen clamping assembly and the second pen clamping assembly are driven to expand, the mounting disc is separated from the vortex disc after rotating forwards by a preset angle, and the mounting disc loses thrust of the vortex disc. And then under the action of the elastic piece, reverse rotation is performed to restore the initial state. The first pencil clamping assembly and the second pencil clamping assembly are arranged to have an initial expansion state, so that pencil feeding is labor-saving.