12 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 utility model relates to the technical field of mining machinery, in particular to a crawler-type full-hydraulic underground drill rig which comprises a machine base and a crawler belt assembly arranged below the machine base, a supporting part not higher than the crawler belt assembly is arranged in the middle of the machine base in a sinking mode, a rotary seat is installed on the supporting part through a rotary disc, and a mast carrying a drilling assembly is arranged above the rotary seat. A composite swing mechanism for driving the mast to vertically turn over by 180 degrees is arranged between the rotary seat and the mast; the mast is vertically overturned by 180 degrees for drilling through the composite swing mechanism, the height of the overturning axis of the mast is adjusted through the first oil cylinder, the posture of the mast is leveled through the second oil cylinder, and therefore the height of the mast in the horizontal rotation process is increased, and the mast effectively avoids interference of surrounding components in the rotation drilling process. A walking system composed of a walking oil tank and a walking diesel engine is adopted, the limitation of the length of a cable is eliminated, the safety risk in operation is reduced, and the trafficability and maneuverability of the drilling machine in complex terrains are improved.

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.

This invention discloses a compound pendulum rotating inertial mass eddy current damper, comprising a compound pendulum structure, a damping structure, a support structure, and an elastic device. A pendulum rod is oscillatingly mounted within the support structure, and multiple mass blocks are rotatably mounted on a rotating shaft. The damping structure includes: a support eddy current plate, an end plate, a rotating shaft eddy current plate, permanent magnets, and an arc-shaped guide rail. The end plate and the rotating shaft eddy current plate are coaxially fixed to the mass blocks. The permanent magnets are arranged in an array on both sides of the mass blocks and outside the end plate. The guide rail is mounted on the upper surface of the support base plate of the support structure. The side projection of the guide rail is arc-shaped, and its vertical projection is a horizontal line segment. The upper surface of the guide rail is rough. The support eddy current plate is located on the inner side of the support structure. This invention can significantly improve the effective mass and energy dissipation density of the damper, ensure vibration control effects, and improve the applicability of the damper in different working environments, as well as the range and fine grading of damping adjustment.

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 invention provides a high-crushing-ratio alligator crusher which comprises a base provided with a mounting space, and the mounting space is provided with two spaced vertical inner wall surfaces; the sliding crushing mechanism is arranged on the base and provided with a sliding crushing part which is located in the mounting space and can move in the interval direction of the two vertical inner wall surfaces; the compound pendulum crushing mechanism is arranged on the base and is provided with a compound pendulum crushing part which is positioned in the mounting space and is arranged at an interval with the sliding crushing part; the compound pendulum crushing part and the sliding crushing part form a crushing channel for crushing the waste concrete in the mounting space; and the driving mechanism is used for driving the compound pendulum crushing part to do compound pendulum motion and driving the sliding crushing part to do reciprocating sliding at the same time. According to the high-crushing-ratio alligator crusher, the sliding crushing mechanism and the compound pendulum crushing mechanism are arranged and matched with each other to form the crushing channel, so that waste concrete is crushed in different modes in the crushing channel, and the crushing ratio and the crushing efficiency are greatly 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.

The invention discloses a compound pendulum type rotary inertial eddy current damper which comprises a compound pendulum structure, a damping structure, a support structure and an elastic device. The swing rod is arranged in the support structure in a swinging mode, the mass blocks are rotatably arranged on the rotating shaft, and the damping structure comprises a support vortex plate, an end plate, a rotating shaft vortex plate, a permanent magnet and an arc-shaped guide rail. The end plate and the rotating shaft vortex plate are coaxially fixed to the mass block, the permanent magnets are arranged on the two sides of the mass block and the outer side of the end plate in an array mode, the guide rail is arranged on the upper surface of a support bottom plate of the support structure, the side projection of the upper surface of the guide rail is arc-shaped, the vertical projection is a horizontal line segment, and the upper surface of the guide rail is a rough surface. The support vortex plate is arranged on the inner side of the support structure side face. The effective mass and energy consumption density of the damper can be remarkably improved, the vibration control effect is guaranteed, meanwhile, the applicability of the damper in different working environments is improved, the damping adjustment range is widened, and fine classification is achieved.

The present application relates to the technical fields of drilling tools, and discloses a complex pendulum straightening and speed increasing tool for drilling, which comprises a drill bit connector, a supporting short circuit and an impact mechanism. The drill bit connector comprises a connecting section and an eccentric section. The impact mechanism is rotatably arranged in the supporting short circuit and is eccentrically arranged with the eccentric section. The impeller mechanism is rotatably arranged in the supporting short circuit and is connected with the impact mechanism. The impeller mechanism is provided with a flow channel for the flow of drilling fluid. When the drilling fluid flows along the flow channel, the impeller mechanism is driven to rotate. The present application can greatly reduce the irregular problems of the borehole caused by the jumping of the drill and the vortex of the drill bit during the vertical drilling process, increase the service life of the drill bit, greatly reduce the risks caused by the irregular borehole during the later casing and other operation processes, reduce the number of well passes, reduce the operation cost and reduce the construction period.