Spatial mechanism in three degrees of freedom in use for parallel-connected moving devices

A degree of freedom and parallel technology, applied in the direction of manipulators, program-controlled manipulators, manufacturing tools, etc.

Inactive Publication Date: 2007-10-10
JIANGSU POLYTECHNIC UNIVERSITY
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Problems solved by technology

[0004] Application No. 2006100881264 provides a two-degree-of-freedom space mechanism for parallel motion equipment. The output motion of the platform is an independent translation, an independent rotation, and a dependent rotation. The dependent rotation is derived and is non-independent Controllability, so that the mechanism cannot complete the corresponding work when three independent degrees of freedom are required. Therefore, in order to meet the development and practicality of parallel motion equipment with different needs, three independent degrees of freedom must be provided parallel mechanism

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  • Spatial mechanism in three degrees of freedom in use for parallel-connected moving devices

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[0008] The technology of the present invention will be further described below by means of accompanying drawings and examples.

[0009] Accompanying drawing 1 is the structural representation of the present invention. It consists of a dynamic platform 1, a static platform 0, a generalized branch and a general branch. The generalized branch is composed of a rotating pair R with five single degrees of freedom. 1 , R 2 , R 5 , R 4 , R 3 The connecting rod of the two-degree-of-freedom planar five-bar mechanism is connected in series with a revolving pair R 6 , and the general branch consists of two spherical pairs S 2 , S 1 and a single-degree-of-freedom revolving joint R 7 formed in series; one end of the generalized branch and the moving platform 1 pass through the rotating pair R 6 Mechanically connected, the other two ends are connected to the static platform 0 through the rotating pair R 1 , R 3 Mechanical connection; one end of the general branch and the moving pla...

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Abstract

A 3-freedom space mechanism for the parallel moving apparatus (vibration sieve, entertainment system, machine-tool, robot, etc) is composed of a movable platform, a static platform, an ordinary branch, and a generalized branch consisting of 5 single-freedom moving sets and one rotary set. Said ordinary branch consists of two ball sets and one single-freedom moving set.

Description

technical field [0001] The invention relates to an actuator for parallel motion equipment, specifically, a new three-degree-of-freedom space parallel mechanism for parallel structure parallel motion vibrating screens, parallel motion entertainment equipment, parallel robots, etc. Background technique [0002] At present, the most typical traditional vibrating screens are mainly circular vibrating screens and linear vibrating screens. Vibrations are generated by inertial vibrators, and the structure is complex. Generally less than 10mm), the material is not fully turned over, and the sieve holes are easily stuck by "sieve particles", resulting in low screening efficiency. [0003] Parallel sports and entertainment equipment or parallel robots and parallel machine tools refer to devices with parallel mechanisms as actuators. The current parallel mechanism is generally the traditional Stewart mechanism and its improved type. This mechanism is mainly composed of a base, a movin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J19/00B25J9/08
Inventor 沈惠平杨廷力
Owner JIANGSU POLYTECHNIC UNIVERSITY
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