Combination-drive reconfigurable five-rod mechanism experiment table

A five-bar mechanism and hybrid drive technology, applied in the field of machines and mechanisms, can solve problems such as small movement space, inability to quickly reconfigure, poor rigidity, etc., and achieve stable movement performance and a wide range of working planes

Active Publication Date: 2015-08-05
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention mainly aims at the problems of the five-bar model in the prior art, such as poor rigidity, small movement space, inability to quickly reconfigure, and difficulty in reading the starting angle of the prime mover. Flexible Hybrid Drive Reconfigurable Five-bar Mechanism Experiment Bench

Method used

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  • Combination-drive reconfigurable five-rod mechanism experiment table
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  • Combination-drive reconfigurable five-rod mechanism experiment table

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 , figure 2 As shown, a hybrid drive reconfigurable five-bar mechanism test bench includes a working platform, a reconfigurable five-bar mechanism and a frame length adjustment device. The working platform includes eight A-shaped grooved profiles 1 and four B-shaped belts Groove profile 3, anchor bolt 2, coordinate table 4 and No. II servo motor 26, eight A-shaped grooved profiles 1 form two equilateral rectangular frames, and the two equilateral rectangular frames are distributed in two layers up and down, and two up and down The equilateral rectangular frame is connected with the B-shaped grooved profile 3 through bolts, the coordinate table 4 is set on the equilateral rectangular frame on the upper layer to form a working platform, and the anchor bolts 2 are set on the lower end surface of the B-shaped grooved profile 3 as a working The supporting feet of the table top, the motor support of No. II servo motor 26 is arranged on the lower surface of t...

Embodiment 2

[0035] Hybrid drive reconfigurable five-bar mechanism test bench with different axis reconfiguration modes of the original moving parts:

[0036] Such as Figure 6 , Figure 7 As shown, one end of No. I driving part 20 is synchronously connected with the motor shaft of No. II servo motor 26, and the lower end surface of No. I driving part 20 is parallel to the coordinate table 4, and the other end of No. I driving part 20 is connected to I One end of No. connecting rod 21 is connected, the other end of No. I connecting rod 21 is connected with one end of No. II connecting rod 22, and the other end of No. II connecting rod 22 is connected to No. II driving member 23 through No. I connecting mandrel 25 One end of No. 1 mating sleeve 24 is sleeved on the outside of No. 1 connecting mandrel 25, and the other end of No. 2 prime mover 23 is synchronously connected with the motor shaft of No. 2 stepping motor 12. The No. III stepping motor drives the second ball screw to rotate so ...

Embodiment 3

[0037] Example 3 Experimental bench for hybrid drive reconfigurable five-bar mechanism in coaxial center reconfiguration mode of primary moving parts:

[0038] Such as Figure 8 , Figure 9 As shown, one end of No. I driving part 20 is synchronously connected with the motor shaft of No. II servo motor 26, and the lower end surface of No. I driving part 20 is parallel to the coordinate table 4, and the other end of No. I driving part 20 is connected to I One end of No. connecting rod 21 is connected, the other end of No. I connecting rod 21 is connected with one end of No. II connecting rod 22, and the other end of No. II connecting rod 22 is connected to No. II driving member 23 through No. I connecting mandrel 25 One end of No. 1 mating sleeve 24 is sleeved on the outside of No. 1 connecting mandrel 25, and the other end of No. 2 prime mover 23 is synchronously connected with the motor shaft of No. 2 stepping motor 12. The No. III stepping motor drives the second ball screw...

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Abstract

The invention relates to the technical field of machines and mechanisms, and specifically relates to a combination-drive reconfigurable five-rod mechanism experiment table. The invention mainly solves the problems that a five-rod model in the prior art is poor in rigidness, is small in motion space and cannot be reconfigured quickly, and the initial angles of driving links is difficult to read. The experiment table comprises a workbench, a reconfigurable five-rod mechanism, and a rack length adjusting device. The workbench is fixedly connected with the rack length adjusting device through a bolt, thereby forming a horizontal-type working space of the five-rod mechanism. The rack length adjusting device drives a nut to slide linearly through employing a stepping motor to drive a ball screw to rotate, thereby achieving the adjustment of the rack length. The reconfigurable five-rod mechanism employs a modularized design, and can achieve three-types of reconfiguration modes that the drinking links are coaxial, the driving links are not coaxial, and the neutral surfaces of the driving links are coplanar.

Description

technical field [0001] The invention relates to the technical field of machines and mechanisms, in particular to a hybrid drive reconfigurable five-bar mechanism experiment platform. Background technique [0002] The hybrid drive controllable mechanism is a multi-degree-of-freedom mechanism, which uses both real-time uncontrollable motors and real-time controllable motors as power sources. The two types of input motions are synthesized by a multi-degree-of-freedom mechanism to generate the required output motion. The motion synthesis mechanism of the hybrid drive controllable mechanism can have various forms, and most of them are two-degree-of-freedom five-bar mechanisms at present. This kind of mechanism has compact structure, good flexibility, large changes in configuration size and motion input, and provides a large space for the optimization of the dynamic performance of the mechanism. Putting, assembling, arranging and packaging operations. [0003] Patent 20131045232...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
Inventor 秦慧斌侯志利李瑞琴严超敏陈斌张瑞廷
Owner ZHONGBEI UNIV
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