222results about How to "Realize synchronized motion" patented technology

The invention belongs to the technical field of medical apparatuses, and particularly relates to a recovering training device for neural medicine. The recovering training device comprises a training bench, wherein the training bench comprises a base mechanism; a chair seat mechanism is arranged on the base mechanism; a chair back mechanism is hinged to the chair seat mechanism; a power structure is arranged on the base mechanism, and comprises a pedal structure and an arm exercising structure which is in simultaneous movement with the pedal structure; the chair seat mechanism comprises a chairseat; a buttock massaging structure is arranged on the chair seat; a leg massaging structure which moves along with legs is hinged to the chair seat; a chair seat transmission structure which cooperates with the buttock massaging structure and the leg massaging structure is connected to the pedal structure; the chair back mechanism comprises a chair back hinged to the chair seat; a waist massaging structure and a back massaging structure are arranged on the chair back; and a chair back transmission structure which cooperates with the waist massaging structure is connected to the pedal structure. Through the adoption of the recovering training device disclosed by the invention, the problem that a conventional training device is poor in training effects is effectively solved.

The invention discloses a nondestructive testing robot intelligent testing method based on a virtual reality technology. The method comprises the following steps: (1) a nondestructive testing robot for nondestructive testing is mounted at a predetermined position in a to-be-tested reactor pressure vessel; (2) freedom degree kinematic axes of the nondestructive testing robot are each restored to an initial state, then the freedom degree kinematic axes are each subjected to position calibration, and a global coordinate system and axis coordinate systems of the freedom degree kinematic axes are constructed; (3) corresponding relationships are established between simulation models and real devices; and (4) the simulation model of the nondestructive testing robot performs position attitude transformation, virtually displays and controls synchronous movement of the nondestructive test robot to perform nondestructive testing in a three-dimensional virtual environment according to real-timely acquired position attitude information feedback values of the freedom degree kinematic axes of the nondestructive testing robot. The method realizes the omni-directional three-dimensional WYSIWYG display control mode, greatly improves the security of on-site project implementation, and improves the project implementation efficiency.

A lower limb exoskeleton rehabilitation training device provided with a movable chair mainly comprises a base, a chair frontward and backward adjustment mechanism, the chair, a mechanical leg leftward and rightward adjustment mechanism, two mechanical leg fixing platforms, two mechanical legs and a counter weight control box. Because the mechanical leg leftward and rightward adjustment mechanism is arranged, the training requirements of training people having different widths between the hip joints can be met in the manner that the width between the two mechanical arms can be adjusted. The lower limb exoskeleton rehabilitation training device is combined with a chair movement and transmission mechanism, before a patient gets on the lower limb exoskeleton rehabilitation training device, the chair is moved to the front end of the base, and therefore the influence generated by the fact that the mechanical legs occupy space when the patient gets on and gets off the lower limb exoskeleton rehabilitation training device is overcome. Because thigh mechanisms, shank mechanisms and ankle joint mechanisms of the two mechanical legs are each provided with a drive mechanism, exercise training and movement range practices of one joint can be achieved, and coordinate exercise training of one leg and the double legs can also be achieved. Through independent hip joint adjusting mechanisms, independent knee joint adjusting mechanisms and independent ankle joint adjusting mechanisms, adjustment of the shanks and the thighs can be achieved, and therefore personalized training is achieved.

The invention provides a seven-degree-of-freedom mechanical arm limiting optimization method based on position-level inverse kinematics, and relates to a seven-degree-of-freedom mechanical arm limiting optimization method. The method aims to solve the problems that an existing numerical solution cannot obtain a closed solution, and final-state self-motion exists; and an analytical solution cannotbe used for offset configuration, and motion optimization cannot be realized. The method comprises the steps that firstly, an analytical solution of seven-degree-of-freedom mechanical arm inverse kinematics is obtained based on a parametric solving method for fixing a certain joint angle; then, the fixed joint angle parameter is used as input, joint limiting is used as an optimization index, and an optimal control problem is established; then, a constrained problem is converted into an unconstrained problem based on a Lagrangian multiplier method; and finally, the optimal joint angle parameteris solved based on a Newton iteration method, and seven joint space trajectories considering joint limiting optimization are obtained by giving an initial configuration, an expected tail end pose anda Cartesian path planning. The method is used for limiting optimization of a seven-degree-of-freedom mechanical arm.

A double-acting servo pressure cylinder for a press machine comprises an idle stroke device and a working stroke device. The idle stroke device is designed inside an outer cylinder body. An idler stroke servo motor rotor and planetary roller lead screw nuts are designed together. The nuts drive an inner cylinder body through rollers to reciprocate mechanically inside an idle stroke motor. The working stroke device is designed inside the inner cylinder body. A planetary reduction gear, a planetary roller lead screw device, a pressure boost cavity and a stroke cavity are sequentially arranged on the inner cylinder body from top to bottom. Both an idle stroke and a working stroke are powered by a servo motor. According to the double-acting servo pressure cylinder for the press machine, the idle stroke and the working stroke are independently controlled, energy consumption is reduced, flexibility and control precision of the press machine are improved, and the design cost of the press machine is reduced.

The invention discloses a piece of electronic tag packaging equipment which is used for chip inverted mounting, hot-pressing and production testing of electronic tags. A bonding arm and a dispensing arm are designed into a five-side closed groove structure, and thus a compact and light high-speed bonding arm and dispensing arm structure which is of high rigidity and has a function of flux leakage from the bottom is formed. A bonding head and a corresponding squint-eyed camera lens group are arranged on a linearly-driven carrier, so the antenna photographing task and the bonding or dispensing task are completed in the same position area, and the capacity is improved. By using tension control mechanisms of a linear bearing, a support optical axis, a cylinder and a spring, the friction resistance is reduced, the precision of tension control is improved, and a simple structure and low cost are achieved. A tag test drive mechanism connects a lower detection reading head and an upper marking head through a Y-direction synchronous belt bypassing an antenna film area so as to realize mechanical synchronous movement. The tag test drive mechanism is simplified, and the cost is reduced greatly.

The invention provides a three-segment synchronous drawer sliding rail which can solve the problems that an existing three-segment synchronous drawer sliding rail is complex in synchronous structure and unreliable in synchronous driving. The three-segment synchronous drawer sliding rail comprises two sliding rail assemblies, the two sliding rail assemblies are installed at the left side and the right side of a drawer respectively and each provided with a synchronous assembly, and each sliding rail assembly comprises a fixed rail fixedly installed on the inner side wall of a cabinet body through a fixed rail support, a movable rail fixed to the outer side wall of the drawer and a middle rail slidably connected with the fixed rail and the movable rail separately; each synchronous assembly comprises a fixed rail rack, a transmission mechanism and a movable rail rack, wherein the fixed rail rack, the transmission mechanism and the movable rail rack are installed on the inner side face of the corresponding fixed rail, the inner side face of the corresponding middle rail and the inner side face of the corresponding movable rail respectively, teeth of the fixed rail rack and teeth of the movable rail rack are oppositely arranged, the transmission mechanism is in transmission connection with the fixed rail rack and the movable rail rack separately, and the transmission mechanisms of the two synchronous assemblies are synchronously connected through a connecting rod.

The invention discloses a limb assisted rehabilitation system for patients with stroke sequelae. The system is mainly composed of a main frame, a motion generating mechanism and a motion executing device. Through the motion generating mechanism and initial position planning, the reciprocating movement of two pedals of lower limbs in opposite phases and the synchronous movement of an upper limb rotating rocker arm can be achieved only by the continuous motion of one driving motor. The system has a variety of rehabilitation training modes, and cooperates with a lifting device and a multi-functional seat back, and a patient can passively perform lower limb gait rehabilitation training and upper limb rehabilitation training in standing and sitting postures, and can perform infinitely variablecontrol on training amplitudes and frequencies according to physical conditions. The system also adopts a biasing rod between the pedals and the end of a connecting rod to achieve the movement characteristics of a standard centroid sliding bloc mechanism and eliminate the rapid return of the pedal motion.

The invention discloses an electronic lock. The electronic lock comprises a housing, as well as a driving device, a signal triggering device, a locking structure and a triggering structure which are arranged in the housing, wherein the signal triggering device is provided with a triggering button; the locking structure has a first state and a second state which can enable the electronic lock to be locked or unlocked; and the reciprocating direction of the triggering structure is consistent with that of the pressed or bounced triggering button. By adoption of the structural arrangement, the triggering structure can be in contact with and press the triggering button when the locking structure is in the first state, and can be separated from the triggering button when the locking structure is in the second state. According to the technical scheme, the electronic lock is simple and compact in structure, small in size and reliable in matched transmission, ensures the consistency and the synchronicity between the instantaneous triggering time of the signal triggering device and the corresponding locking/unlocking time of the electronic lock, is high in control accuracy and is safe and reliable, and the service performance of the electronic lock is improved.

The invention relates to an automatic lateral sponge supporting synchronous operation device. The automatic lateral sponge supporting synchronous operation device comprises a pair of sponge supportingplates arranged on the two sides of a conveying support, the two sponge supporting plates are jointly matched to achieve clamping of a sponge, and the two sponge supporting plates are driven by a transverse moving mechanism to do reciprocated moving between a feeding conveying belt and a discharging conveying belt. The device has the advantages that the two sponge supporting plates are matched jointly to achieve clamping of the two sides of the sponge, through cooperation of the transverse moving mechanism, the sponge supporting plates can synchronously move in the conveying process of the feeding conveying belt, it is ensured that in the cutting whole process, sponge clamping is achieved, the phenomenon that due to slippage between the sponge and the conveying belts, the cutting precision is reduced is avoided, in addition, it is ensured that the cut side sponge is not separated from the sponge body, and the cutting precision of the side sponge is affected.

The invention discloses a screw automatic assembly device, which comprises: a material distribution mechanism, which regularly outputs screws; an assembly mechanism, the assembly mechanism includes at least one execution unit, and the execution unit assembles the screw to a workpiece; The assembly mechanism also includes a retrieving unit connected to the execution unit, the retrieving unit is set correspondingly to the discharge end of the distributing mechanism; the screw automatic assembly device also includes a moving mechanism, the moving mechanism is connected with the assembling mechanism, and the moving mechanism drives the assembling mechanism to move between the picking position and the assembling position. In the screw automatic assembly device of this structure, the feeding unit and the distributing mechanism are set correspondingly, and multiple screws can be taken out at the same time, and driven into the assembly position through multiple execution units; due to the setting of the feeding unit, it can be moved under the drive of the moving mechanism. Solved the problem that the dispensing mechanism is not at the same position as the assembly position.

The invention relates to a full-automatic cleaning type mopping machine for stairs. The mopping machine comprises a vehicle body frame, a stairs climbing mechanism, a flat ground advancing mechanism and a cleaning mechanism, wherein the stairs climbing mechanism comprises four stairs climbing rods and a transmission device, the transmission device is used for synchronously driving the four stairsclimbing rods, and the four stairs climbing rods are arranged on four outer sides of the lower end of the vehicle body frame; the flat ground advancing mechanism comprises four walking wheels and twoflat ground advancing motors for driving two of the walking wheels; and the cleaning mechanism comprises a mechanical arm, a cleaning brushing head and two electric push rods, the two electric push rods are used for driving the mechanical arm to work, one end of the mechanical arm is mounted on the vehicle body frame, and the cleaning brushing head is mounted at the other end of the mechanical arm. The full-automatic cleaning type mopping machine simultaneously has a flat ground cleaning function and stairs climbing and cleaning functions, is suitable for the cleaning work of various corridorsand stairs, and a large quantity of manpower, material resources and financial resources are saved in the working process; and the mopping machine has good practical significance and promotional values.

The invention discloses a novel fish meal dryer and belongs to the field of machines. The novel fish meal dryer comprises a barrel, hydraulic motors, lead screws, loop bars and a scraper. According to the operating principle, steam is introduced into a barrel interlayer and a blade interlayer to dry fish meal. The scraper is in a circular arc shape in the positive direction and is closely attached to the inner wall of the barrel. The loop bars are used for connecting the scraper with the lead screws. The lead screws are driven by the hydraulic motors to rotate. The scraper does back and forth linear motion on the lead screws to achieve the function of automatically removing fish meal adhering to an inner barrel body. The novel fish meal dryer has the beneficial effects that the scraper can effectively remove fish meal adhering to the inner barrel body to prevent the fish meal left on the barrel from going smelly or moldy and affecting the quality and drying effect of subsequent products; and meanwhile, the novel fish meal dryer can play a role in assisting in stirring fish meal to increase the drying speed.

The invention discloses a separated half-mold injection type nacelle power influence test method. A semi-model of an aircraft is arranged on a tunnel wall turntable of a wind tunnel, an injection typenacelle is arranged at a nacelle hanger of a semi-model wing, the injection type nacelle is not in contact with the semi-model wing, and a gap between the injection type nacelle and the nacelle hanger is filled with a soft material; the injection type nacelle is arranged on the tunnel wall turntable through a support, the semi-model and the injection type nacelle are driven to rotate synchronously under rotation of the tunnel wall turntable, and the interference acting force of intake and exhaust of the injection type nacelle on an airplane is obtained. According to the scheme, the injectiontype nacelle and the air supply system thereof are separated and independent from the model; the injection type nacelle does not make contact with the model to transmit force, static thrust measurement of the injection type nacelle does not need to be conducted, the injection type nacelle and the semi-model are supported on the wind tunnel test section turntable together through the special movable supporting device, synchronous movement of the nacelle and the semi-model is achieved, and a complex movement and control mechanism does not need to be designed for the nacelle.

The invention discloses a railway platform cold chain lifting and lowering docking system with heat preservation function, comprises an arc-type elastic sealing ring, a hydraulic push rod, a first isolation door, an integral incubator, a second isolation door and a flat-type elastic sealing ring. The arc-type elastic sealing ring comprises an arc-type elastic sealing ring, a hydraulic push rod, afirst isolation door, an integral incubator, a second isolation door and a lifting support. The arc-shaped elastic sealing ring (201) is butted with the train (1), and the plane-shaped elastic sealingring (206) is butted with the refrigerator (3); an integral incubator (204) is formed between the first isolation door (203) and the second isolation door (205). The invention also discloses a railway platform cold chain lifting and lowering butt joint heat preservation method. The railway platform cold chain lifting and lowering docking system with heat preservation function of the invention establishes a sealed heat preservation channel between the train and the cold storage, and carries out heat preservation transportation on the goods before entering the storage or after leaving the storage, and solves the problem that the goods cannot carry out heat preservation in the short-distance transportation process.

The invention discloses a synchronous coordinated control method of a series-parallel automobile electrophoretic painting conveying mechanism. The method comprises the following steps: taking the series-parallel automobile electrophoretic painting conveying mechanism as a controlled object, building a kinetic model of the conveying mechanism in a cartesian space, adopting a distributed structure to build a synchronous coordinated control hardware system of the conveying mechanism according to a control requirement of the conveying mechanism, and providing a novel synchronous error according to the structure characteristic and movement characteristic of the lifting turnover mechanism of the conveying mechanism, combining the novel synchronous error with a sliding-mode control, further designing a kinetic synchronous coordinated control rule based on the sliding-mode control, and finally performing software programming through VC++ to realize the synchronous coordinated control of the series-parallel automobile electrophoretic painting conveying mechanism. By adopting the synchronous coordinated control method, the system is high in tracking accuracy and high in response speed; the synchronization of each joint and two side mechanisms can be realized so that the synchronous coordinated motion control performance of the conveying mechanism is improved.

The invention discloses an automatic following control system for a machine tool. The system comprises a cooling device, a mechanical arm, a controller and a detecting device for detecting the position of a machining tool, wherein a cold air spray head of the cooling device is fixed to the mechanical arm, the detecting device comprises a camera, the signal output end of the camera is connected to the controller, and the controller is connected to the mechanical arm to be used for image recognition and controlling the mechanical arm to enable the relative positions of the cold air spray head and the machining tool to be unchanged. According to the system, the position of the cold air spray head can be controlled according to the position of the machining tool, synchronous movement of the spray head and the machining tool is achieved, and cooling effect is guaranteed.

The invention specifically relates to a slag cleaning device for a flame cutting machine, comprising a slag blowing gun head connected to a cutting torch head guide rail of a flame cutting machine through a fixed bracket, the slag blowing torch head can move synchronously with the cutting torch head, The purge surface of the slag blowing torch head is perpendicular to the cutting surface of the cutting torch head, and the slag blowing torch head is supplied by the air inlet pipe passing through the torch head bracket to blow the slag away from the surface of the cutting material, including The slag collection device can collect the slag blown away from the cutting surface. In the slag cleaning device of the flame cutting machine of the present invention, the slag blowing gun head is connected with the cutting torch head guide rail of the flame cutting machine through a fixed bracket, thereby realizing the synchronous movement of the slag blowing torch head and the cutting torch head; The slag blowing gun head is designed with a separate moving mechanism, which simplifies the structure and ensures the accurate position of the blowing slag. A slag collection device specially designed to collect slag avoids slag splashing and burns the operator, which is safer.

The invention discloses a door and window roller shutter structure for smart home of security engineering, and relates to the technical field of home doors and windows. The door and window roller shutter structure comprises a roller shutter top box, a pair of roller shutter side frames, a sunshade curtain cloth and a shading curtain cloth; a first separating board and a second separating board arearranged in the roller shutter top box in parallel; the interior of the roller shutter top box is separated into a first cavity, a second cavity and a third cavity by the first separating board and the second separating board; a pair of roller shutter feeding and discharging ports are formed in the surface of the second cavity in parallel; a pair of roller shutter rotating shafts are arranged inthe second cavity in parallel; the two roller shutter side frames are symmetrically fixed to the surface of the lower part of the roller shutter top box correspondingly; and the two roller shutter rotating shafts is wound with the sunshade curtain cloth and the shading curtain cloth on separately and correspondingly, and one side edge of the sunshade curtain cloth and one side edge of the shadingcurtain cloth penetrate through the two roller shutter feeding and discharging ports in sequence separately and correspondingly. According to the door and window roller shutter structure for the smarthome of security engineering, the sunshade curtain cloth and the shading curtain cloth are arranged in a matched mode, a shading or sunshade effect can be realized, use requirements of current usersare met, and high market population value is achieved.

The invention relates to a tire dismounting machine. The tire dismounting machine comprises a base, a rack which is vertically fixed on the base, an auxiliary tire pressing device arranged at the upper end of the rack, a slide frame which slidingly sleeves the rack, a tire fixing device which is arranged on the base, and a tire pressing device and a tire dismounting device which are arranged on the slide frame in sequence from bottom to top, wherein the tire fixing device comprises a rotary table and tire fixing claws arranged on the upper end face of the rotary table; the tire fixing device is further provided with a fixing claw synchronizer; the fixing claw synchronizer comprises a synchronizing disc arranged in the middle of the rotary table and a plurality of linkage rods; one end of each of the plurality of linkage rods is hinged to the corresponding tire fixing claw and the other end of each of the plurality of linkage rods is hinged to the synchronizing disc at interval; and each linkage rod and the corresponding tire fixing claw are inclined to form a certain angle in the retracting direction of the tire fixing claw.