Analytical Mechanism for Fixed-point Rotational Degrees of Freedom in Space
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A technology with a degree of freedom and space, applied in the direction of educational appliances, instruments, teaching models, etc., to achieve the effect of simple structure, ingenious mechanism, and strong practical value
Inactive Publication Date: 2015-08-19
SHENYANG POLYTECHNIC UNIV
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To solve the problem of converting three-dimensional corners in space to two-dimensional corners in planes
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[0025] exist Figure 1 to Figure 5 Among them, it represents the connection and positional relationship between the structural composition and parts of the present invention, and the spatial fixed-point rotational degree of freedom analysis mechanism includes a sphere 15, a slider 4, a moving slideway 11, a slide bar 5, an X axis 13, a Y axis 3, and a Z axis. Axis 6, X-axis disc 12, Y-axis disc 1, Z-axis disc 2, pointer 8, pin 18 and nut 20; sphere 15 is provided with Z-axis chute 10 and XY-axis chute 9, Z-axis chute 10 and The XY axis chutes 9 are all square grooves, distributed 360 degrees on the sphere 15, the position of the Z axis chute 10 is placed vertically, the position of the XY axis chute 9 is perpendicular to the Z axis chute 10; the Z axis 6 is vertical Putting, the upper end of the Z-axis 6 is set as the Z-axis slider head 7, and the two sides of the Z-axis slider head 7 are in contact with the two sides of the Z-axis chute 10 on the sphere 15 to form a clearan...
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Abstract
A spatial fixed-point rotation degree of freedom analysis mechanism, including a sphere, a slider, a moving slideway, a slider, an X axis, a Y axis, a Z axis, an X axis disc, a Y axis disc, a Z axis disc, a pointer, a pin and a nut; The sphere is provided with a Z-axis chute and an XY-axis chute perpendicular to it, and the sphere and the Z-axis can rotate relatively around the pin. The Z-axis, X-axis and Y-axis are perpendicular to each other and are respectively connected to the X-axis disc, Y-axis disc and Z-axis disc by nuts. Sliding in the groove; when the sphere is rotated, it can drive three mutually perpendicular axes to rotate, and instantly and accurately decompose the spatial rotation angle to each vertical axis. To solve the problem of transforming three-dimensional corners in space into two-dimensional corners in planes. There are angle scales on the spherical surface and the sliding bar on both sides of the Z-axis chute, which can read the rotation angle of the sphere to the X-axis disk, Y-axis disk and Z-axis disk, and the X-axis disk, Y-axis disk and Z-axis disk Equipped with an angle scale, the rotation angle of the sphere to the X-axis, Y-axis and Z-axis can be read through the pointer.
Description
technical field [0001] The invention relates to a space-fixed-point rotation degree of freedom demonstration device, in particular to a space-fixed-point rotation degree of freedom analysis mechanism driven by the rotation of a ball joint to simultaneously rotate three mutually perpendicular axes. Background technique [0002] In the mechanical principle, the motion of a point in space has three translational degrees of freedom in mutually perpendicular directions and three rotational degrees of freedom in mutually perpendicular directions. At present, there is no application where the spatial fixed-point rotation drives three mutually perpendicular axes to rotate at the same time, and there is no application example where the spatial fixed-point rotation angle is decomposed into three mutually perpendicular axes and plane angles. In many practical applications, it is necessary to rotate a joint to simultaneously drive three mutually perpendicular axes to rotate at the same ...
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