174results about How to "Movement coordination" patented technology

The invention relates to an auxiliary lifting mechanism of a presser foot of a computerized embroidery machine, which is designed aiming at the technical problem of poor structure of the auxiliary lifting mechanism (a cam mechanism) of the presser foot of the computerized embroidery machine. A link mechanism adopting three connecting rods is arranged in the auxiliary lifting mechanism of the presser foot and is in a Y shape, one end of the link mechanism is fixed in a casing of a machine head by a shaft A, and the other two ends are respectively fixed at a slide block A and a slide block B. In a group of link mechanism comprising a three-hole connecting rod A, a two-hole connecting rod B and a two-hole connecting rod C, the three-hole connecting rod A is bent in an arc shape; and a hole C1 of the three-hole connecting rod A is connected with a hole A2 of the two-hole connecting rod B by a pin shaft, and a hole A1 of the three-hole connecting rod A is connected with a hole A3 of the two-hole connecting rod C by a pin shaft. The invention has high running accuracy, small noise, convenient maintenance, assembly and use, good movement matching synchronism and stability, low production cost and extensive application range and is suitable for a high-speed computerized embroidery machine and similar tailoring equipment.

The invention discloses a propeller folding and unfolding device for an unmanned aerial vehicle. The propeller folding and unfolding device comprises a bottom plate, three or more engine arms, a center ring, a driving component and a belt wheel transmission component. The engine arms are sequentially arranged on the bottom plate in the circumferential direction. One end of each engine arm is hinged to the bottom plate through a shaft and can rotate around the hinge point, and the other ends of the engine arms are used for allowing a propeller component of the unmanned aerial vehicle to be mounted. The center ring is located in the middle of the bottom plate, synchronous belt teeth are arranged on the center ring, a connecting rod is arranged between each engine arm and the center ring, and the driving component drives the center ring to rotate through the belt wheel transmission component and a synchronous belt so that the engine arms can be pushed to complete unfolding or folding through the connecting rods. The propeller folding and unfolding device has the advantages of being simpler in structure, easier and more convenient to operate, capable of greatly improving portability and the like.

The invention discloses a propeller folding device for an unmanned aerial vehicle. The propeller folding device comprises a base board, three or more vehicle arms, a center ring and a steering engine assembly; the vehicle arms are sequentially arranged on the base board in the circumferential direction, one ends of the vehicle arms are hinged to the base board through shafts and can rotate around the hinge points, and the other ends of the vehicle arms are used for intalling propeller assemblies of the unmanned aerial vehicle; the center ring is located in the middle of the base board, a connecting rod is arranged between each engine arm and the center ring, and the steering engine assembly is used for driving the center ring to rotate to push the vehicle arms to rotate to be unfolded or folded through the connecting rods. The propeller folding device has the advantages of being simpler in structure, easier and more convenient to operate, capable of greatly improving the portability and the like.

The invention provides a wearable upper lamb exoskeleton rehabilitative training machine. The machine is used for upper lamb rehabilitative training of a hemiplegic patient and characterized by including a hand function training mechanism used for hand function training movement of the patient, a wrist joint function training mechanism used for wrist joint function training movement of the patient, an elbow joint function training mechanism used for elbow joint function training movement of the patient and a control mechanism used for controlling a gear motor, wherein the hand function training mechanism comprises a thumb plate, a palm plate, a corrugated pipe, a thumb portion, an index finger portion and a middle finger portion; the wrist joint function training mechanism comprises a ball-headed rod, a forearm support bracket and a threaded sleeve; the elbow joint training mechanism comprises a forearm support, a forearm rotating block, a coil spring, a power transmission portion, thegear motor, an upper arm support bracket and an upper arm support; the control mechanism comprises a signal generating portion used for generating and the outputting PWM signals, a driving portion used for processing the PWM signals and driving the gear motor according to the PWM signals and a feedback potentiometer used for feeding back the rotating position of a forearm rotating portion.

The invention relates to an automatic moxibustion device which comprises a shell body, a far infrared temperature measuring device, a moxa stick feeding mechanism and an electric control mechanism, wherein the shell body, the far infrared temperature measuring device, the moxa stick feeding mechanism and the electric control mechanism can be positioned on a support. The automatic moxibustion device is characterized in that a stroke cavity is formed inside the shell body, an opening is formed in one end of the stroke cavity, an ash scraping device is arranged outside the opening, an ash bearing hopper is hung under the ash scraping device, the moxa stick feeding mechanism comprises a clamping barrel and a motor, the clamping barrel is used for positioning a moxa stick, the clamping barrel is arranged inside the stroke cavity in a sliding and sleeved mode, one end of the clamping barrel can be exposed out of the opening, a rack is arranged on the surface of the clamping barrel, a gear meshed with the rack is fixed on an output shaft of a speed changer, the speed changer is in transmission connection with the motor, the motor and the speed changer are positioned on the shell body, the clamping barrel can be stopped to delay under the driving of the motor and conduct reciprocating motion relative to the stroke cavity, the far infrared temperature measuring device is electrically connected with the electric control mechanism, and the electric control mechanism controls the motor to move and controls the feeding quantity. According to the automatic moxibustion device, the motion of fumigating moxibustion, the motion of ash scraping and the motion of fumigating moxibustion can be carried out in a circulating mode, frequent manual ash scraping is avoided, and automatic fumigating moxibustion is achieved.

The disclosed vacuum absorption device for electrolyte in alkali dry cell comprises: a base, a column, a top plate, a main shaft set on the base and plate to drive the rotation by frequency- changing motor and gear, multilayer synchronous rotating support-cup rotative mechanisms every with multiple support-cup positions for assembling cell roundly and transferring the cups, a cell set in the room sealed by the cover cup and support cup, a gas-pipe member connected with a vacuum pump and controlled by a vacuum valve. this invention is smart and simple, fit to fast complete the absorption process, avoids liquid splashing, and overcomes defects in prior art.

The invention discloses an automatic transporting device for pallets of a building block forming machine. In the automatic transporting device, a pallet conveying rack (4) is in a 'T'-shaped plane arrangement with a pallet transporting rack (3) and in an 'n'-shaped arrangement with a pallet moving device (2). Blocks formed by a block forming machine (1) are carried away by a transport cart (C). When a front pallet (T) contacts a transport starting travel switch (ZDX) of the pallet moving device (2), a transport motor (8) is started to enable the pallet transporting rack (3) to convey the pallet (T) to the pallet moving device (2); when the front pallet (T) contacts a transport-stopping and conveying-starting travel switch (ZSX), the transport motor (8) stops, a conveying motor (20) starts and pallet conveying rack (4) conveys the pallet (T) to the pallet transporting rack (3); and when the pallet (T) contacts a conveying stop travel switch (STX), the conveying motor (20) stops and a new pallet (T) is placed on the pallet conveying rack (4). Thus, that pallets (T) are placed on all stations of a transmission mechanism is ensured, and the automatic transporting device orderly operates with the production of the block forming machine (1) to form an automatic circulating system. The automatic transporting device has the advantages of stable and reliable operation, time and labor conservation, low cost and high efficiency.

The disclosed vacuum absorption device for electrolyte in alkali dry cell comprises: a base, a column, a top plate, a main shaft set on the base and plate to drive the rotation by frequency- changing motor and gear, multilayer synchronous rotating support-cup rotative mechanisms every with multiple support-cup positions for assembling cell roundly and transferring the cups, a cell set in the room sealed by the cover cup and support cup, a gas-pipe member connected with a vacuum pump and controlled by a vacuum valve. this invention is smart and simple, fit to fast complete the absorption process, avoids liquid splashing, and overcomes defects in prior art.

The invention involves an abrasive material flow extrusion die cavity grinding mechanical device, it is used for grinding machine area. It is characterized by: the upper and lower cylinder group of coaxial hydraulic cylinder is a pair of two single-acting cylinder which is installed separately, the two sides of the upper cylinder group lower are fixed on one end of cylinder rods of two clamping cylinder, the top of two clamping cylinder are fixed on frame separately and the lower cylinder group is fixed on the frame directly. The invention has simple structure and low manufacture cost; the complexity of control system is reduced and reliability is increased; due to one of two single-acting cylinder is drive cylinder when operates, the movement and force of drive cylinder is transmitted to another cylinder through closed abrasive material, another cylinder is driven cylinder, therefore, the movement between the two upper and lower cylinder is fully synchronous and cooperative. It can apply back pressure to abrasive material according requirement through the backpressure valve which pressure is adjustable, so the pressure of abrasive material can be adjusted according requirement, thereby the work efficiency is improved.

The invention relates to a continuous-walking type hydraulic pushing device. The continuous-walking type hydraulic pushing device comprises a pushing tray, a longitudinal hydraulic pushing cylinder, a lateral hydraulic pushing cylinder, a cylinder base and a cylinder supporting seat. The longitudinal hydraulic pushing cylinder and the lateral hydraulic pushing cylinder respectively comprise cylinder bodies and piston rods, and the pushing tray is welded on the piston rod of the longitudinal hydraulic pushing cylinder. The cylinder body of the longitudinal hydraulic pushing cylinder is vertically welded at the center of the cylinder body of the lateral hydraulic pushing cylinder, and can move to the right and to the left along with the lateral hydraulic pushing cylinder. The cylinder base is welded with the piston rods at two ends of the lateral hydraulic pushing cylinder. The lateral hydraulic pushing cylinder is arranged on the cylinder supporting seat, and can move to the right and to the left corresponding to the cylinder supporting seat. The longitudinal hydraulic pushing cylinder and the lateral hydraulic pushing cylinder are connected with a computer respectively and control to realize synchronically-coordinated actions through a computer control system. The continuous-walking type hydraulic pushing device is simple and reasonable in structure, convenient to process and manufacture, and low in production cost.

The invention provides a special-shaped pipe feeding device. The special-shaped pipe feeding device comprises a frame. The frame is provided with a plurality of feeding chain transmission mechanisms perpendicular to the axis of the frame. The parts, at the two ends of each feeding chain transmission mechanism, of the frame are provided with a feeding belt transmission mechanism and a jacking mechanism correspondingly. Supports are vertically arranged at the two ends of the frame. A beam is arranged between the two supports and movably provided with a plurality of feeding gripper mechanisms perpendicular to the axis of the beam. The feeding gripper mechanisms and the jacking mechanisms are arranged on the same side. The special-shaped pipe feeding device is simple in structure, actions among the components are coordinated, feeding is stable, grabbing and conveying are firm, and continuous unmanned operation can be achieved. In the whole feeding process, pipes are horizontally moved to the area where cutting is about to be conducted, no special requirements exist for the sections of the pipes, the special-shaped pipe feeding device is suitable for feeding any pipes different in section, and the application range is wide.

The invention relates to a fitness rowing machine which comprises a main frame, and a handle part, a pedal part, a resistance part and a cushion part which are arranged on the main frame, wherein the handle part and the pedal part are connected to the resistance part so as to form linkage; the position of the cushion part is adjusted back and forth and then can be fixed; and a buffer spring is arranged below the pedal. The fitness rowing machine disclosed by the invention is excellent in exercise effect, comfortable and safe.

The invention relates to a product positioning and clamping mechanism. The front portion and the right portion of a bearing plate are each provided with an elastic mechanism. Each elastic mechanism comprises springs, a sliding block and clamping heads, wherein the sliding block is installed on the front side or the right side of the bearing plate through the springs; the sliding block is in an inverted-T shape; the clamping heads are installed in the positions of flanges on the two sides of the inverted-T-shaped structure respectively; the lower bottom face of each clamping head is higher than the upper surface of the bearing plate. A product is placed on the bearing plate. The clamping heads can clamp the product. The bottom of each sliding block is installed on a guiding mechanism in a matched mode. A power source is installed at the bottom of the bearing plate. The front end of a piston rod of the power source is connected with a push block. The push block is of an isosceles trapezoid structure, and the two oblique side faces of the isosceles trapezoid structure are perpendicular. Grooves are formed in the oblique side faces of the isosceles trapezoid structure respectively. A plurality of sets of idler wheels are installed in each groove. The power source drives the push block to move so that the idler wheels can make contact with the sliding blocks and push the sliding blocks to move along the guiding mechanisms, and the product is clamped or loosened under the action of the springs.

The invention belongs to the vehicle control unit field. The vehicle control unit comprises a central processor; the central processor is connected with a power source module, an analog quantity acquisition module, a switching quantity acquisition module, a frequency quantity acquisition module, a low-end driving module, a motor control module, a motor current-detection module and a CAN communication module through signal lines respectively. According to the vehicle control unit, acquired signals are processed through the analog quantity acquisition module, the switching quantity acquisition module and the frequency quantity acquisition module; processed signals are transmitted to the central processor; the central processor communicates with a vehicle CAN communication module through the CAN communication module; the electric loads of relays work according to requirements under the control of the central processor; the motor control module can realize gear selection and gear shift under the control of the central processor; and therefore, the vehicle control unit can obtain the running state of a vehicle at any time in a driving process and accurately acquire the operating information of a driver, and analyzes the operating conditions of various components of the vehicle, so as to coordinate the actions of various mechanisms. The vehicle control unit has the advantages of simple structure, safety and reliability, and can assist in reducing cost.