32results about How to "With power-off self-locking function" patented technology

The invention designs a knuckle movement module of a five-finger dextrous hand based on the structural features and kinetic characteristics of a worm wheel and worm mechanism. Movement functions of all fingers are satisfied, additionally, the space structure of knuckles can be optimized to the maximum, the used worm wheel and worm mechanism has a self-locking function, and therefore, the designed knuckle movement module of the five-finger dextrous hand can achieve the poweroff self-locking function, so that the grasping ability of the dextrous hand is increased, and the movement and grasping requirements of the five-finger dextrous hand are satisfied. A worm wheel and worm speed reducer which is used as a driving unit of the knuckle module is mainly composed of a worm wheel, a worm, a gear, a shaft, a bearing, a box body and accessories and can be divided into three basic structures including the box body, a worm wheel and worm gear set and the combination of the bearing and the shaft, wherein the box body is a base of all parts in the worm wheel and worm mechanism and is an important part for supporting and fixing shaft components, guaranteeing correct positions of all transmission parts and supporting loads which act on the speed reducer; the worm wheel and worm gear set is used for transferring output power of a motor and changing the direction of the output power; the combination of the bearing and the shaft is mainly used for transferring power, supporting operation and improving the efficiency.

The invention discloses a piezoelectric motor. The piezoelectric motor comprises a piezoelectric body, a moving part and an elastic connecting part, wherein the piezoelectric body contacts with the moving part elastically through elastic deformation of the elastic connecting part, the piezoelectric body comprises a guide box and a piezoelectric actuating unit which is arranged inside the guide box, the guide box comprises a guide box body and an actuating unit installation face, the actuating unit installation face is arranged on the guide box body and is connected with the guide box body in a flexible mode, the piezoelectric actuating unit is in an axial symmetric structure and comprises a base body, a driving foot and two groups of laminated piezoelectric stacks, the two groups of laminated piezoelectric stacks are arranged between the base body and the driving foot in a pressing mode, the base body is fixedly connected with the actuating unit installation face, the driving foot extends out of an inner cavity of the guide box and then contacts with the moving part, one end of the elastic connecting part is fixed with the guide box body, the other end of the elastic connecting part contacts with an end portion of the base body, which is opposite to the driving foot, and each of the two groups of laminated piezoelectric stacks is connected with a corresponding excitation power supply. Thus, the piezoelectric motor has the advantages of being large in thrust, low in manufacturing cost, long in life and high in efficiency, and simultaneously, the piezoelectric motor has a power-down self-locking function.

The invention discloses a mobile overturn robot and a multistation overturn method thereof, and belongs to the field of robots. The mobile overturn robot comprises an overturn device, a transfer trolley, and a travelling rail. The overturn device is arranged on the transfer trolley. The transfer trolley transfers the overturn device to different processing stations to perform overturn operation along the travelling rail. The overturn device comprises a power mechanism, an orienteering mechanism, and a locking mechanism. The locking mechanism is used to fix a cylindrical member. The power mechanism comprises an oil cylinder and a pull rod. The pull rod is connected with the locking mechanism. The oil cylinder moves horizontally to drive the pull rod to pull the locking mechanism to overturn. The orienteering mechanism is used to control operation directions of the power mechanism. The mobile overturn robot can perform overturn operation on a workpiece on different stations, and satisfies fast-paced industrial production, and overturn is stable and production security is high.

The invention discloses a piezoelectric stepping motor comprising a guiding box, a movement piece, a base, a prepressing spring and a piezoelectric actuation module arranged in the guiding box. The piezoelectric actuation module is formed by a plurality of double-layer piezoelectric units, and a plurality of working modes can be realized through applying different excitation power supplies. The piezoelectric stepping motor has a power-off self-locking function. The piezoelectric stepping motor is high in precision, good in stability, long in service life, and easy to realize batch production and has good social benefit.

The invention discloses a push-pull mold overturning machine, which comprises a mold overturning table body (1) used for placing and overturning a mold and an underframe (7); the underframe (7) is provided with a motor (9) and a differential (4); two sides of the mold overturning table body are symmetrically provided with push-pull rods; one end of each push-pull rod on each side is connected with the mold overturning table body (1), while the other end is connected with a nut which is arranged on screw rods; the screw rods are connected with the differential (4); and during work, the motor (9) drives the differential (4), the differential (4) drives the screw rods on both sides, the screw rods drive the nut, the nut drives the push-pull rods, and the push-pull rods at one side pull and the push-pull rods at the other side push to drive the mold overturning table body to realize 90-degree overturning. The differential realizes distribution of moving speed and torque at both sides; and as the relationship between the screw rods and the nut, the machine has the self-lock function. The machine has the advantages of having simple and reasonable structure and low cost, and being capable of stably overturning heavy molds or other heavy devices which are put on the machine.

The invention discloses a honeycomb amplification type fiber push-out device and a working method thereof. The device comprises a workbench, a manual adjustment micro-motion platform and a honeycomb type displacement output mechanism. The manual adjustment micro-motion platform is fixed to the workbench, and the honeycomb type displacement output mechanism is fixed to the front side of the manualadjustment micro-motion platform. The honeycomb type displacement output mechanism comprises a frame type honeycomb type amplification mechanism, an ejector pin and a plurality of groups of amplification assemblies; the amplification assemblies are arranged on the frame type honeycomb amplification mechanism; each amplification assembly comprises a bridge type amplification mechanism, a piezoelectric ceramic group, a piezoelectric ceramic positive electrode input wire and a piezoelectric ceramic negative electrode input wire; a detected fiber slide is fixed on the workbench and is positioned below the thimble; by inputting a signal into the piezoelectric ceramic group, the piezoelectric ceramic group extends and outputs displacement, the displacement is amplified by the bridge type amplification mechanism, and the ejector pin moves downwards along with the displacement to push out a single fiber of the fiber slide. The device has the advantages of simple structure, high response speed,high positioning precision and the like.

The invention discloses a turning dumper of a smoke box, comprising a smoke box access frame, a smoke box turning frame, a smoke box bracket, a smoke box access driving device, arched turning guide rails and a smoke box turning driving device, wherein a turning shaft penetrates through the connection position of the horizontal arm and the vertical arm of the smoke box bracket, and the turning shaft is installed on the lower part of the smoke box turning frame; the smoke box access driving device is arranged on the smoke box access frame; the arched turning guide rails are arranged on two sides of the smoke box turning frame, and provided with turning chains; and the smoke box turning driving device is arranged on the upper part of the vertical arm of the smoke box bracket for driving the smoke box bracket and the smoke box to rotate around the turning shaft, and is provided with a worm gear speed reducer. The turning dumper in the invention integrates the smoke box conveying with the turning pouring; the turning dumper is simple in structure, convenient in operation, stable in performance, low in power consumption, small in occupied space, high in equipment safety and suitable forproduction occasions with small mounting space; and the turning dumper has a power-off self-locking function.

The invention discloses a mechanical gripper based on a dish-shaped multi-line Archimedes screw pair, which is characterized in that a supporting assembly is rotationally connected with a dish-shaped multi-line Archimedes spiral disc, and a plurality of arc-shaped Archimedes spiral grooves are formed in the dish-shaped multi-line Archimedes spiral disc; the mechanical claw assembly is arranged in the dish-shaped multi-wire Archimedes spiral disk and is fixedly connected with the supporting assembly; the mechanical claw assembly comprises a guide plate, a support and a plurality of claws. The guide plate is connected with the support through the connecting sleeve; guide forks are evenly distributed on the periphery of the guide plate, the middle of the claw is hinged to the support, the upper portion of the claw is in sliding connection with the guide forks, and a ball head matched with the arc-shaped Archimedes spiral groove is arranged on the upper portion of the claw; the driving device is fixedly connected with the supporting assembly, and the output end of the driving device is rotationally connected with the dish-shaped multi-line Archimedes spiral disc. Opening and closing of the mechanical claws are controlled through the disc-shaped multi-line Archimedes spiral disc, and the structure is simple.

The invention relates to a communication system based on an underwater mast, and solves the problem that the mast of the existing underwater vehicle cannot meet the detection requirement, and the underwater mast comprises a pitching shaft body, a cabin body and a double-axis servo system, the communication system comprises a data acquisition unit, a main control unit, a data transmission unit, a data storage unit and a ground remote control system, the data acquisition unit is used for acquiring data in the navigation process of an underwater vehicle; the main control unit is used for processing the acquired data, and calculating a preset pitch angle and a preset course angle, planning an underwater vehicle route, controlling navigation and controlling the double-axis servo system according to the processed data information; the data transmission unit is used for sending data processed by the main control unit and receiving data of the ground remote control system; and the data storage unit is used for storing data information. The communication system can meet the requirements for storage type concealment, low resistance and high water tightness of navigation of the unmanned underwater vehicle at the same time, and the real-time communication can be achieved.

The invention relates to an underwater mast structure, belongs to the technical field of underwater vehicles, and solves a problem that masts of existing underwater vehicles cannot meet detection requirements. The sealing structure of the underwater mast comprises a pitching shaft body which is hinged with an underwater vehicle and comprises a first axis; a cabin body; and a double-shaft servo system, the double-shaft servo system is fixedly connected with the pitching shaft body, is connected with the cabin body and comprises a second axis, and the second axis is perpendicular to the first axis; the double-shaft servo system drives the comprehensive mast system to rotate around a first axis and a second axis; the hinged part of the pitching shaft body and the underwater vehicle is sealed through a first double-layer sealing structure; the hinged part of the cabin body and the double-shaft servo system is sealed through a second double-layer sealing structure; and the pitching shaft body and the double-shaft servo system are sealed through a first movable sealing ring. The sealing structure can meet the low-resistance requirement and the detection requirement of navigation of the unmanned underwater vehicle at the same time, has folding and unfolding functions, and is beneficial to reducing resistance and improving concealment.

The invention discloses an intelligent control fluid distribution device. The intelligent control fluid distribution device comprises a shell, wherein a main flowing passage and branch flowing passages are formed in the shell, the main flowing passage communicate with the branch flowing passages, the branch flowing passages are provided with branch valve elements, and the branch valve elements control the opening and closing degree of the branch flowing passages. The main flowing passage and the branch flowing passages cooperate with each other to realize fluid distribution, and the branch valve elements control the opening and closing degree of the branch flowing passages, so that the flow adjustment of the branch flowing passages is realized. According to the intelligent control fluid distribution device, the flow control of fluids of the branch flowing passages can be realized without manual adjustment, the structure is simple, continuous power supply is not needed, the energy is saved, heating is less, and the reliability is high.

The invention discloses a counterweight type stepping mechanism. The counterweight type stepping mechanism comprises a first laminated piezoelectric ceramic, a fixed block, a second laminated piezoelectric ceramic, a mass block, a rotor and a pre-tightening mechanism, wherein the rotor can move in the first direction; one end of the first laminated piezoelectric ceramic is in contact with the rotor, and the pre-tightening mechanism is connected with the other end of the first laminated piezoelectric ceramic, so that the first laminated piezoelectric ceramic is pressed on the rotor; the pre-tightening mechanism, the first laminated piezoelectric ceramic and the rotor are arranged in sequence in the second direction; the extension direction of the second laminated piezoelectric ceramic is inthe second direction, wherein the second direction is perpendicular to the first direction; the fixed block is fixedly arranged on the rotor; one end of the second laminated piezoelectric ceramic isfixedly connected to the side wall of the fixed block, and the other end of the second laminated piezoelectric ceramic is fixedly connected with the mass block; the fixed block, the second laminated piezoelectric ceramic and the mass block are arranged in sequence in the first direction; and the extension direction of the second laminated piezoelectric ceramic is in the first direction. The counterweight type stepping mechanism has the advantages that the counterweight type stepping mechanism has an outage self-locking function.

The invention relates to an underwater mast structure, belongs to the technical field of underwater vehicles, and solves a problem that masts of existing underwater vehicles cannot meet detection requirements. The underwater mast structure comprises a pitching shaft body which is hinged with the underwater vehicle and comprises a first axis; a cabin body; a double-shaft servo system, the double-shaft servo system is fixedly connected with the pitching shaft body, is connected with the cabin body and comprises a second axis, and the second axis is perpendicular to the first axis; the double-shaft servo system drives the comprehensive mast system to rotate around the first axis and the second axis. The underwater mast structure can meet the low-resistance requirement and the detection requirement of navigation of the unmanned underwater vehicle at the same time, has folding and unfolding functions, and is beneficial to reducing resistance and improving concealment.

The invention relates to an underwater vehicle concealed monitoring method based on a storage type mast, which solves the problem that the mast of the existing underwater vehicle cannot meet the detection requirement, and the storage type mast comprises a pitching shaft body, a cabin body and a double-shaft servo system, the method comprises the steps that distance data between an underwater vehicle and a target and depth data of the underwater vehicle are acquired in real time, and when the preset distance is reached and the preset depth is reached, a control signal is sent out to control a double-shaft servo system to drive a pitching shaft body to act so as to erect a storage type mast; when it is detected that the mast is exposed out of the water surface, a double-shaft servo system is controlled to drive a heading shaft body to act so as to adjust the horizontal rotating angle of the storage type mast; and the optical cabin is controlled to acquire optical data of a target, and the optical data is sent to a remote control terminal through communication equipment in the antenna cabin. According to the invention, the requirements of the unmanned underwater vehicle mast for storage type concealment, low resistance and high water tightness can be met at the same time, and concealed monitoring of real-time communication can be realized.