30results about How to "Realize rotary motion" patented technology

The invention discloses a circular seam laser welding fixture for a thin-wall cylinder, which comprises a head frame, an extended ring, a rear frame of a machine tool and a top plate. When in operation, the extended ring is placed between the head frame and the rear frame of the machine tool and sleeved in a place where two workpieces to be welded are spliced; one non-splicing end of the workpiece is retained and positioned on a spindle of the head frame while the other non-splicing end is attached to a positioning surface of a baffle; a top point of the rear frame of the machine tool is arranged in a top point hole of the baffle. By adopting a retractable extended ring, the invention realizes the correct splicing and retaining of the thin-wall cylinder; the gyration of the cylinder can be realized by a way that the head frame with the function of turning drives a head part of the cylinder and a tail part of the cylinder is supported by the rear frame and the top plate; meanwhile, the splicing precision also meets the requirement of the laser welding. A worm-and-gear mechanism of the spindle in the head frame can accomplish the precise gyration of the workpiece and the head frame with a turnover function is convenience for feeding and discharging of a longer workpiece. The invention has the advantages of precise positioning, reliable and convenient fixture, convenient application, high efficiency, etc.

The invention provides a large full-gyration offshore platform crane which relates to the lifting machinery and comprises a rotary column, an arm support, a main lifting winch, an auxiliary lifting winch, an arm support variable-breadth winch, a gyration bearing drive mechanism, a main hanger hook, an auxiliary hanger hook and a driver cab. The arm support is connected with the middle part of the rotary column through a hinge point mounted on the root of the arm support; the lower half part of the rotary column is arranged under a main deck and connected with a semi-diving platform through the gyration bearing drive mechanism. The gyration bearing mechanism is composed of an upper radial bearing, a lower radial bearing, a peg-tooth, a three-in-one decelerator, a centripetal thrust bearing and a rubber support; the upper radial bearing and the lower radial bearing are respectively mounted on the middle and the lower parts of the rotary column. The centripetal thrust bearing and the rubber bearing are sequentially mounted on the bottom part of the rotary column; the peg-tooth mounted on the lower deck is meshed with the three-in-one decelerator mounted on the corresponding position of the rotary column. The large full-gyration offshore platform crane has the advantages of novel, compact and practical structure, high efficiency and being a large full-gyration offshore platform crane with economical and practical properties.

The invention discloses a walking type detection platform for the static load of engineering foundation piles, which comprises a supporting platform movably supported on two long boats and two short boats, wherein the two short boats are respectively arranged at two ends of the supporting platform, and a short-boat walking vehicle is arranged on each short boat and is fixedly connected with a short-boat slewing platform; vertical lifting hydraulic cylinders mounted on the supporting platform is hinged to the short-boat supporting platforms; the short-boat slewing platforms are hinged to the short-boat supporting platforms through swing pin shafts; two long-boats are respectively arranged on two sides of the supporting platform; each long boat is provided with two movable long-boat walking vehicles which are hinged to the lower ends of the corresponding legs of the long boats; the legs of the long boats are mounted on the supporting platform through beams of legs of the long boats; long-boat walking hydraulic cylinders are arranged between the long-boat walking vehicles and the long boats; a crane is mounted on the supporting platform. The detection platform can perform self-propelled move as a whole, requires no repetitive construction and hoisting, and has the features of safety in use, reasonable structure, high operating efficiency and the like.

The invention discloses a flexible joint for a joint robot. The flexible joint is characterized by comprising a motor, a joint connecting plate, a motor frame, a coupling, a bevel gear commutator, a first connecting plate, a connecting frame, a flexible output end, a second connecting plate, a support plate, a joint mounting plate and a support end, wherein the joint connecting plate and the joint mounting plate are fixedly connected through the support plate; the motor is fixedly connected with the motor frame through bolts; the motor frame is fixedly connected with the joint mounting plate through bolts; the motor is connected with the bevel gear commutator through the coupling; one end of the output shaft of the bevel gear commutator is connected with the flexible output end through a flexible output end sleeve and a second support bearing sequentially from inside to outside; the other end of the output shaft of the bevel gear commutator is connected with the support end through a support end sleeve and a first support bearing sequentially from inside to outside; the support end is connected with the first connecting plate.

The invention aims to design a novel precision composite six-axis linkage numerical control machine tool. A tool apron is installed on a sliding seat and swings in a vertical plane relative to the sliding seat, a machine tool body is provided with a Z-axis driving device for driving the sliding seat to move up and down, an X-axis driving device and a Y-axis driving device, the X-axis driving device and the Y-axis driving device move in the X direction and the Y direction, a rotary machining platform is further arranged on the machine tool body, a clamping mechanism for clamping a workpiece andenabling the workpiece to rotate and be positioned is arranged on the rotary machining platform, the rotation center of the rotary machining platform is consistent with the Z direction, and the rotation center of the clamping mechanism is consistent with the X direction. According to the novel precision composite six-axis linkage numerical control machine tool, due to the arrangement of the Z-axis driving device, the X-axis driving device and the Y-axis driving device, a tool on the tool apron can move to any position of an operation area, the clamping mechanism and the rotary machining platform can rotate at will, rotary motion of a workpiece is achieved, and the tool apron can swing in the vertical plane, so that a six-axis linkage machining mode is achieved, the novel precision composite six-axis linkage numerical control machine tool can adapt to machining of parts of different complex curved surface structures, and high-precision machining of the workpiece is met.

The invention discloses a mechanical arm of a robot. The mechanical arm of the robot is characterized in that a link arm is connected with a grabbing device, and drives the grabbing device to move, ajoint device is arranged inside the grabbing device, the link arm is formed by a four-link structure, the four-link structure is arranged on a machine frame in a hinged mode, and is connected with anarm plate, one end face of the arm plate is supported and fixed through the hinged position between a driving rod and a first link and the hinged position between a second link and a driven rod, the grabbing device is fixed at the other end face of the arm plate, and is provided with a first clamping block and a second clamping block, the lower end face of the first clamping block is provided witha sunken portion, the upper end face of the second clamping block is provided with a sunken portion, and the first clamping block and the second clamping block cooperate with each other to clamp an article. According to the mechanical arm of the robot, the rotational motion, the swinging motion and the loosing and tightening motion of the grabbing device are realized, and the positioning precision is high.

The invention discloses a testing device for the reliability for a grating encoder and aims at solving the problems of low reliability, high fault rate, low operation quantity and difficulty in detaching of the grating encoder. The testing device comprises a main body part, a high-low telescopic trolley, a work condition simulating device and a detection control system, wherein the main body partcomprises a rotating device (A), a handling device (B) and a mounting device; the rotating device (A) comprises a rotary supporting bearing (1); the handling device (B) comprises a boss (5); the high-low telescopic trolley comprises a docking table (150) and taper pins (155) mounted on the docking table (150); the work condition simulating device comprises a three-comprehensiveness test chamber (159); a three-comprehensiveness test chamber base plate (162) is arranged in the three-comprehensiveness test chamber (159); the main body part is mounted on the three-comprehensiveness test chamber base plate (162) through the rotary supporting bearing (1); the high-low telescopic trolley is connected with the boss (5) through the taper pin (155); the detection control system is electrically connected with the mounting device and the work condition simulating device.

The invention provides a clamp for performing turning on a high pressure gas cylinder, and relates to the technical field of mechanical processing tools. The clamp comprises a rotating support and a telescopic chuck, wherein the rotating support comprises a base, a supporting bearing arranged in the base and a support body, the support body is connected with an inner ring of the supporting bearing, the outer ring of the supporting bearing is connected with the base, the telescopic chuck comprises a cylinder barrel, a telescopic rod and a claw, the claw is connected with the front end of the telescopic rod, the telescopic rod is arranged in the cylinder barrel, and rotating-prevention mechanisms matched with each other are arranged on the cylinder barrel and the telescopic rod. Large-scale reformation on a lathe is not needed when the clamp is used for performing turning on the high pressure gas cylinder, only the telescopic rod and the claw need to be pushed by a pushing device of the lathe, the weight of the telescopic rod and the claw is light, and the friction force between the telescopic rod and the cylinder barrel is small, so that the pushing device of the lathe can push the telescopic rod and the claw with a smaller push force, the clamp is small in abrasion during use, and the service life is long.

The invention provides an underwater manipulator three degrees of freedom(DOFs) wrist structure. A connecting frame 12 is respectively connected with a front arm 1 and a wrist 11 through a wrist pitching rotating shaft 2 and a wrist yaw rotating shaft 4; the bottom end of a second hydraulic cylinder 8 in the front arm 1 is arranged on a coupling spindle 9 at the bottom of the hydraulic cylinder in a cavity of the front arm 1; the end of the piston rod of the second hydraulic cylinder 8 is connected with a piston rod coupling spindle 3 of the hydraulic cylinder on the connecting frame 12; one end of a connecting rod 6 is connected with a connecting rod coupling spindle 5 of the wrist 11; the other end of the connecting rod 6 is connected with a piston rod of a first hydraulic cylinder 7; the bottom of the hydraulic cylinder is fixed on the connecting frame 12; a hydraulic motor is arranged inside the wrist 11. The whole wrist has compact structural design, can realize the three DOFs motion of the wrist, and has the advantages of flexible operation, improving the operation space, reducing the operation dead areas of the underwater manipulator, etc.

The invention discloses a novel automobile chassis rapid-switching robot welding station and relates to the technical field of automobile part welding. The novel automobile chassis rapid-switching robot welding station comprises machine seats, rotary supports, a clapboard, supporting platforms, fixtures and locking mechanisms, wherein the bottoms of the fixtures are provided with a battery box, and the battery box is internally provided with a storage battery. The novel automobile chassis rapid-switching robot welding station adopts a rotary type structure, when one of the fixtures performs welding operations in a welding area, the other fixture is in a rest state, at this moment, material unloading and material loading can be performed on the fixture in the rest state, and the two fixtures are separated through the clapboard, the operation safety is also improved, compared with a traditional plane type layout, more space is saved, the work efficiency is improved, the two fixtures canbe of different models, and switching of welding commands of a welding robot is just needed.

The invention provides a rotating disc type angle information acquisition device. An output shaft gear and a first bevel gear sleeve the two ends of an output shaft respectively, the output shaft gearis connected with an external transmission mechanism in an engaged mode, a first bevel gear is meshed with a second bevel gear, a second straight gear is in meshed connection with a first straight gear, and the output shaft of a rotary transformer is fixedly connected to the first straight gear; therefore, when the output shaft gear is in transmission with the external transmission mechanism, thetransmission of the external transmission mechanism is transmitted to the rotary transformer by the first bevel gear, the second bevel gear, the second straight gear and the first straight gear; andthe tooth number of the external transmission mechanism, the second bevel gear, the second straight gear and the first straight gear are arranged to meet the set condition, the rotation movement of the external transmission mechanism and the output shaft 1: 1 synchronous movement of the rotary transformer can be realized through gear engagement transmission.

The invention discloses a numerical control formed grinding wheel gear grinding machine. The numerical control formed grinding wheel gear grinding machine comprises a box body. A main stand column anda first vertical stand column are mounted on the box body. A vertical sliding guide rail is mounted on the main stand column, a second vertical stand column is slidingly mounted on the vertical sliding guide rail in a guide manner, a transverse sliding guide rail is mounted on the second vertical stand column, and a third vertical stand column is slidingly mounted on the transverse sliding guiderail in a guide manner. According to the numerical control formed grinding wheel gear grinding machine, the problems that in the prior art, the precision of machined gears is low, and the machining efficiency of the large-specification gears is low are solved, a numerical control system, servo motors and a stepping motor are adopted for replacing a complex movement chain of a traditional mechanical transmission type gear grinding machine tool device, mounting of transmission parts and a dividing worm wheel pair is omitted, the automation degree is high, and the grinding machining precision andthe working efficiency are high.

The invention provides a clamp component and a tape laminator with the same. The clamp component is used for clamping a battery on a tape laminator and includes: a clamping structure for clamping a battery, wherein the battery clamped is fixed relative to the clamping structure; a rotary structure connected with the clamping structure and used for driving the clamping structure to rotate. During application of a tape to a battery, the rotary structure drives the clamping structure to rotate; rotation of the battery enables a tape to be wound to the battery. The clamp component according to thetechnical scheme is compact in structure and allows a tape laminator to have smaller overall size.