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

The invention relates to a silicon chip box platform with pitching function, which comprises two positioning shafts, a protecting plate frame is connected to the two positioning shafts, the protecting plate frame is connected with the front end of the bottom of a turning plate by a rotating shaft mechanism, a fixing plate is connected to the two positioning shafts which are arranged in the protecting plate frame, a crank connecting rod mechanism which is connected with a driving device is connected to the fixing plate, the output end of the crank connecting rod mechanism is connected with the rear end of the bottom of the turning plate through a rotating block, and the top of the turning plate is connected with a silicon chip box. When a crank of the crank connecting rod mechanism swings in a reciprocating and intermittent mode at the range of 0 to 180 degrees, the silicon chip box is connected with the crank to swing in a pitching mode. The crank connecting rod mechanism which is taken as a core mechanism of the invention and the rotating shaft mechanism have simple and reasonable structures, not only can realize automatic pitching, but also can realize stable pitching, thereby solving the problems in the prior art.

The invention discloses a spherical motor for an active side lever system of an airplane, and the spherical motor is connected with the left and right sides of a conventional airplane operating panel (10A), thereby forming a double-sphere motor operating system. The spherical motor comprises an A semi-sphere stator (1), a B semi-sphere stator (2), a rotor (3), an output rod (4), a pedestal (5), an armature winding assembly (6), a magnetic block assembly (7), and a universal ball bearing assembly (8). The A semi-sphere stator (1) and the B semi-sphere stator (2) are connected in a manner of butt joint to form a hollow sphere, and the rotor (3) is disposed in the hollow sphere. The output rod (4) is installed at the upper part of the rotor (3), and the A semi-sphere stator (1) and the B semi-sphere stator (2) are installed on the pedestal (5). The armature winding assembly (6) and the universal ball bearing assembly (8) are installed on the A semi-sphere stator (1) and the B semi-sphere stator (2). The magnetic block assembly (7) is installed in a gap of the rotor (3). The double-sphere motor operating system achieves the force feedback of a steering plane load and the synchronization of two output rods, and reduces the misoperation, caused by the shortage of experience of one side, of the airplane.

The invention discloses a split adjustment frame for an optical lens, which belongs to the technical field of the platform frame of the seeker optical cabin, and includes: a first frame, a second frame, an upper shaft, a first bearing, a second bearing, an upper Bearing seat and lower bearing seat; the first frame is a U-shaped frame; the second frame is an arc-shaped frame, and its two ends are provided with connecting blocks docked with the first frame; the co-caliber optical lens is installed on the first frame Inside, and the axis of the co-aperture optical lens is perpendicular to the axis of the through hole on the bottom surface of the first frame. The bearing and the upper bearing seat are installed on the first frame; the second frame is coaxially installed at the opening of the U-shaped first frame, and the connecting blocks of the second frame are respectively connected with the sides of the first frame to form a rectangular frame; the frame It can solve the problem of insufficient installation space of the infrared imaging / semi-active laser co-aperture optical lens.

The invention provides an articulation mechanism and a robot. The articulation mechanism includes an actuator, a fixed frame rotatably connected to the actuator, and two transmission mechanisms. In the first direction, the two transmission mechanisms are respectively arranged on On the opposite sides, in the second direction, two transmission mechanisms are arranged on the same side of the fixed frame. The transmission mechanism includes a drive assembly, a screw assembly and a connecting rod structure. One end of the connecting rod structure is rotatably connected to the moving end of the screw assembly. , the other end is rotatably connected to the actuator. The joint motion mechanism and the robot provided by the present invention drive the actuator to pitch and roll through the screw assembly and the connecting rod structure, and the position of the drive assembly is relatively far from the actuator. When applied to a robot, the position of the drive assembly is relatively high, which can improve The center of mass of the robot. In the length direction of the screw rod assembly, the screw rod structure partially overlaps with the connecting rod structure, which does not occupy too much length space and makes the structure more compact.

The invention discloses a control cabin modified gear of an engineering machine. The control cabin modified gear comprises a control cabin body (1), a rotary rack (4) which is in revolving connection with a rotary table of the engineering machine, a telescopic component (3), a first rod (2) and a limiting mechanism, wherein the telescopic component (3) is used for supporting the control cabin body (1) and driving the control cabin body (1) to move up and down; the two ends of the first rod (2) are hinged between the rotary rack (4) and the control cabin body (1); the limiting mechanism is arranged at a preset position and is used for limiting the rotation of the first rod (2); and under the action of the telescopic component (3), the control cabin body (1) rotates around the hinge point of the control cabin body (1) and the first rod (2) in a vertical plane. The control cabin modified gear disclosed by the invention is simple in structure and is favorable for lightening the weight of a complete machine; and two operations, namely pitching and fluctuating, are completed by only one telescopic component, thus the arrangement of a hydraulic system and an electrical system of the engineering machine can be favorably simplified, and simultaneously, the use cost of the engineering machine can be lowered. The invention also provides the engineering machine comprising the control cabin modified gear.

The invention relates to a method for controlling the pitching motion of a radar three-axis stable turntable. According to the given azimuth angle of the position where the radar antenna needs to move in pitch, calculate the bank angle of the position where the radar antenna needs to move in pitch. Project on the motion plane of the roll frame to obtain the motion change angle of the pitch frame (pitch projection value) and the motion change angle of the roll frame (roll projection value), and then send the current ship pitch angle with the ship compass equipment Mathematically calculate the pitch and roll angles respectively, and obtain the input values ​​of the pitch frame control loop and the roll frame control loop of the stabilized turntable, and input them to the respective control loops for closed-loop control, so as to realize the radar antenna in the case of ship swaying. Pitch motion for a given elevation angle in a fixed azimuth.

The invention relates to a robot connecting joint, in particular to a two-degree-of-freedom controllable robot module connecting mechanism, and aims at solving the problem that existing robot joints are complex in structure, not sensitive and accurate enough in control and low in reliability. A joint cross shaft is provided with a horizontal shaft and a vertical shaft, two ends of the horizontal shaft are supported in first bearing seats which are fixedly mounted on a left-side frame, a pitching small gear is meshed with a pitching big gear, the pitching small gear and the pitching big gear are mounted on a first gear shaft, a first motor gear is meshed with a first pitching straight gear, one end of the vertical shaft is supported in a second bearing seat while the other end of the same penetrates a yawing big gear to be supported in another second bearing seat, the two second bearing seats are fixedly mounted on a right-side frame, a yawing small gear is meshed with the yawing big gear, both the yawing small gear and a second pitching straight gear are mounted on a pitching second gear shaft, and a second motor gear is meshed with the first pitching straight gear. The two-degree-of-freedom controllable robot module connecting mechanism is used on a robot.

The invention relates to a perpendicular planar motion mechanism for a hydrodynamic model test. The perpendicular planar motion mechanism comprises a rail, a moving platform is installed at the upperportion of the moving platform, wheels sliding along the rail are installed at the bottom of the moving platform, a heaving movement mechanism is fixedly installed on the movable platform, a pitchingmovement mechanism is installed at the front end of the heaving movement mechanism, and a front supporting rod and a back supporting rod are parallelly installed on the pitching movement mechanism atintervals; the perpendicular planar motion mechanism also comprises an underwater vehicle model, and a transverse rolling movement mechanism is installed in the underwater vehicle model, and is connected with the front supporting rod and the back supporting rod. The perpendicular planar motion mechanism is compact and reasonable in structure and convenient to operate; through the matching effect between the heaving movement mechanism, the pitching movement mechanism and the transverse rolling movement mechanism, measurement of a velocity coefficient, an angular velocity coefficient and an accelerated velocity coefficient can be conveniently achieved, test efficiency is improved, the perpendicular planar motion mechanism has the advantages of being comprehensive, economical and the like, and operation is convenient.

The invention discloses a two-degree-of-freedom parallel lifting mechanism for a three-dimensional garage, and relates to the technical field of the three-dimensional garage. The lifting mechanism iscomposed of a fixed platform, a moving platform, a left side motion branch chain and a right side motion branch chain, a first slideway and a second slideway are mounted on the fixed platform, a thirdslideway is mounted on the moving platform, the left side motion branch chain is composed of a left long lift arm, a left short lift arm and a left hydraulic cylinder, the left short lift arm is hinged to the fixed platform, the left long lift arm and the second slideway form a moving pair, the top end of the left long lift arm is hinged to the moving platform, the structure of the right side motion branch chain is the same as the left side motion branch chain, and the difference is that the top of the right long lift arm and the third slideway form the moving pair. By controlling the amountof expansion and contraction of hydraulic levers on the left and right sides, the vertical ascent and pitch of the moving platform relative to the fixed platform can be achieved; the mechanism has stable lifting, flexible posture adjustment, large folding ratio, compact structure and flexible structure adjustment.