7 results about "Compound pendulum" patented technology

The invention discloses a milling and turning composite swing head which comprises a box body, a rotating mechanism used for driving the swing head to rotate is installed on the box body, and a double-gear anti-backlash transmission mechanism used for driving the swing head to swing is installed on one side of the box body. Wherein the rotating mechanism comprises a main electric shaft connected with the swinging head, the main electric shaft is installed on the double-gear anti-backlash transmission mechanism through a main shaft support, the double-gear anti-backlash transmission mechanism comprises a rotating shaft and a rotating shaft, the rotating shaft and the rotating shaft are connected with the main shaft support, and the rotating shaft is meshed with a transmission part. A double-gear anti-backlash transmission mechanism is adopted, the part machining difficulty is small, installation is convenient, compared with a mainstream 45-degree milling and turning composite swing head, the forked swing head is small in programming difficulty, no blind area exists in the designed machining range, in a limited space, the torque of a rotating shaft of the forked swing head is larger than that of a mainstream torque motor form, and the torque of the rotating shaft of the forked swing head is larger than that of the mainstream torque motor form. The method is more suitable for machining of difficult-to-machine materials and large-cutting machining.

The application provides a composite swing cylinder, which comprises a swing cylinder, a rotating connecting plate, a linear cylinder assembly, a balance valve and a spline connecting shaft, the swing cylinder is provided with a swing cylinder barrel, an inner gear ring is fixedly arranged in the inner cavity of the swing cylinder barrel, the inner surface of the inner gear ring is provided with an inner tooth ring inclined inner tooth, and an inner shaft assembly is coaxially arranged in the inner portion of the inner gear ring. The composite swing cylinder integrates the horizontal moving linear oil cylinder into the swing oil cylinder, can realize the angular rotation in the up-down direction and the position movement in the left-right direction, shortens the overall length of the device, has simple structure design, improves the reliability of the device and the convenience of maintenance, and can be widely applied to the swing cylinder technical field.

The invention relates to the technical field of machine tool parts, and provides a turning-milling composite swing head which comprises a locking module, a turning-milling module, a turning-milling module, a turning-milling module, a turning-milling module, a turning-milling module and a turning-milling module. The support detection module comprises a spigot flange, a support bearing, a detection mechanism and a mandrel in running fit with the spigot flange, the mandrel and the transition flange are detachably fixed, the end faces of the mandrel and the transition flange are tightly attached, and the spigot flange and the mounting flange are detachably fixed, and the end faces of the spigot flange and the mounting flange are tightly attached; the motor module comprises a rotor module and a stator module, the rotor module is detachably fixed with the mandrel, and the stator module is detachably and fixedly connected with the spigot flange; the first sealing module is used for sealing a running fit clearance between the transition flange and the mounting flange; and the second sealing module is used for sealing the space between the mandrel and the stator module. In this way, the problems that in the prior art, a turn-milling composite swing head is scattered in structure, long in inspection and debugging time and inconvenient to disassemble and maintain are solved.

The invention relates to the field of furniture, in particular to an automatic compound pendulum deck chair. An automatic compound pendulum deck chair comprises a chair frame which is connected with a compound pendulum mechanism. The linkage mechanism is mounted on the chair frame and is connected with the compound pendulum mechanism; the adjustable deck chair is connected with the compound pendulum mechanism, and the inclination angle of a backrest of the adjustable deck chair can be manually adjusted; and the massage mechanism is mounted on the adjustable deck chair and is connected with the linkage mechanism. The compound pendulum mechanism swings back and forth by utilizing the change of the gravity center of a body, so that compared with an existing swinging reclining chair which directly swings on the ground through a supporting structure, the swinging reclining chair can effectively reduce damage to the ground or a carpet caused by swinging of the supporting structure, and different parts of the human body in contact with the backrest and the cushion are massaged through intermittent expansion of a plurality of mutually-spaced air bags; air exhaust and air blowing are performed intermittently through a plurality of heat dissipation branch pipes, so that air flow at the contact parts of a human body and the backrest and the seat cushion is accelerated, the heat dissipation effect is further realized, and the functional diversity is increased.

The utility model discloses a mechanical composite swing mechanism which comprises a mechanism body and a positioning seat, an adjusting seat is installed on the mechanism body, a first motor is installed on the side of the positioning seat, a first driving wheel is movably arranged at the end of the first motor, and a second driving wheel is movably arranged at the end of the first driving wheel. A first driven wheel is movably arranged at the position, corresponding to the first driving wheel, of the front end of the positioning seat, a rotating disc is movably arranged at the rear end of the positioning seat, a swing seat is installed on the side of the adjusting seat, a sliding groove is formed in the rotating disc, a movable pin is arranged on the sliding groove, and an adjusting rod is arranged between the movable pin and the swing seat. According to the mechanical composite swing mechanism, a fixed sine wave frequency can be broken through by respectively setting the internal swing frequency and the external swing frequency, so that the microcosmic profile of the surface of a workpiece is further improved, the traveling track of a cutter in unit time is longer due to the fact that the composite swing speed is superposed, and the machining precision is improved. Therefore, the processing efficiency is improved.

The utility model relates to an unmanned ship mass center rapid measurement lifting appliance based on a compound pendulum. The technical problems that an existing measurement process is tedious and time-consuming, human errors are easily caused by posture conversion, and the requirement for the technical level of operators is high are solved. Comprising a suspension frame, the upper end of the suspension frame is connected with a central driving shaft coaxially connected with the suspension frame, the lower end of the suspension frame is provided with a suspension storage chassis used for placing an unmanned ship to be tested, and the central driving shaft is connected with a power device which can drive the suspension frame to perform compound pendulum motion and is arranged in a suspension mode. And the central driving shaft and / or the power device are / is connected with a sensor measuring assembly. The device has the advantages that a suspension method and a compound pendulum method are ingeniously fused, a compound pendulum motion principle is utilized, a mathematical model is constructed to calculate the center-of-mass coordinate by accurately measuring the swing period of the unmanned ship in the compound pendulum motion and combining the gravity action line direction determined by natural droop when a measured piece is static, meanwhile, the structural design is simple, the dependence on complex equipment is reduced, and the reliability of the device is improved. And the hardware cost is reduced.