Structural parameter adjustable parallel kinematic table with combined spring-loaded branches

A technology of structural parameters and combined springs, used in transportation and packaging, simulation devices and instruments of space navigation conditions, etc., can solve the problems of complex structure, complex control method, structural rigidity, precision and bearing capacity weakening, etc., to ensure the position Relationship and fixing strength, the effect of improving the load-carrying capacity

Active Publication Date: 2017-08-29
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among the above technologies, the adjustable parallel mechanism, the former is a slider drive device with a complex structure, and the control method is relatively complicated
The second self-designed adjustable joint has weakened structural rigidity, precision and bearing capacity

Method used

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  • Structural parameter adjustable parallel kinematic table with combined spring-loaded branches
  • Structural parameter adjustable parallel kinematic table with combined spring-loaded branches
  • Structural parameter adjustable parallel kinematic table with combined spring-loaded branches

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Embodiment Construction

[0024] in such as figure 1 In the schematic diagram of the structural parameters adjustable parallel kinematic table with combined spring-loaded branches shown, the kinematic platform 5 is provided with three multi-position mounts with an angle of 120 degrees that can be adjusted along the radial direction, and the base platform 6 is composed of It is composed of a hexagonal center positioning seat and three multi-position mounting seats with an included angle of 120 degrees along the radial direction; three spherical joint assembly blocks 4 with the same structure are evenly distributed on the motion platform in an equilateral triangle, and through positioning Pins and bolts connect with multi-position mounts on the moving platform, such as figure 2 As shown, the rectangular plate 13 with two through holes in the ball hinge connection combination block is provided with a split shaft seat 10, and the extension shaft on both sides of the ball seat 12 with the ball hinge 11 and...

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Abstract

The invention relates to a structure parameter-adjustable parallel motion table with combined spring bearing branches. The table comprises a base platform, a movement platform, six active branches of the same structure, three spherical hinge connection combination blocks of the same structure, three universal hinge connection combination blocks of the same structure and three passive bearing branches of the same structure; each active branch is compose of an electric cylinder and a motor; two ends of each active branch are respectively connected with the movement platform and the base platform through a corresponding spherical hinge connection combination block and a corresponding universal hinge connection combination block; each passive bearing branch is composed of a guide rod, a guide sleeve, a first bearing spring, a second bearing spring and a bearing spring guide sleeve; and two ends of each passive bearing branch is respectively connected with the movement platform and the base platform through spherical hinges with bases. According to the structure parameter-adjustable parallel motion table, the platforms have strong bearing capacity, and control on the active branches and the passive branches is simple. The structure parameter-adjustable parallel motion table is suitable for multi-purpose simulators and multi-purpose stabilization platform.

Description

technical field [0001] The invention relates to a parallel mechanism, in particular to a parallel motion platform. Background technique [0002] A common parallel motion table consists of six mobile units, a base and a motion platform. There are many options for the mobile unit. When the mobile unit is an electric cylinder, the motion platform generally has the characteristics of high load capacity and high motion precision, but the output force of the electric cylinder is limited, and it cannot simulate the movement of large equipment such as cars and tanks; when the mobile When the unit is a hydraulic cylinder, the motion platform can bear heavy loads, but the hydraulic servo control is complicated and costly, and the oil leakage pollution of the hydraulic system is relatively serious and requires high environmental requirements. [0003] With the continuous development of the simulator market for large-scale equipment such as automobiles and tanks, the requirements for p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B9/00G09B25/02
CPCG09B9/00G09B25/02
Inventor 赵铁石王力何磊边辉
Owner YANSHAN UNIV
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