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Structure parameter-adjustable parallel motion table with combined spring bearing 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 improve the bearing capacity. Ability, Guaranteed Positional Relationship and Effect of Fixing Strength

Active Publication Date: 2016-01-13
YANSHAN UNIV
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  • Summary
  • 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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  • Structure parameter-adjustable parallel motion table with combined spring bearing branches
  • Structure parameter-adjustable parallel motion table with combined spring bearing branches
  • Structure parameter-adjustable parallel motion table with combined spring bearing branches

Examples

Experimental program
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Embodiment Construction

[0024] in as figure 1 In the schematic diagram of the parallel motion table with adjustable structural parameters with combined spring-loaded branches, the motion platform 5 is provided with three multi-position mounts with an included angle of 120 degrees that can be adjusted in position along the radial direction, and the base platform 6 is composed of It consists of a hexagonal center positioning seat and three multi-position mounting seats whose included angle is 120 degrees and whose position can be adjusted along the radial direction. Pins and bolts to 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 block is provided with a split shaft seat 10, the extension shaft on both sides of the ball seat 12 with the ball hinge 11 and the split shaft The seat is rotated and connected; the multi-position mounting seat on the motion platform and both sides of the rectangular plate ...

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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 table. Background technique [0002] A common parallel motion table consists of six moving units, a base and a motion platform. There are many choices of mobile units. When the mobile unit is an electric cylinder, the motion platform generally has the characteristics of high bearing capacity and high motion accuracy, but the output force of the electric cylinder is limited, which cannot simulate the movement of large equipment such as cars and tanks. When the unit is a hydraulic cylinder, the motion platform can withstand heavy loads, but the hydraulic servo control is complicated and the cost is high, and the hydraulic system is seriously polluted by oil leakage and has high environmental requirements. [0003] With the continuous development of the simulator market for large equipment such as automobiles and tanks, the requirements for parallel motion platforms are get...

Claims

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Application Information

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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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