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Variable-freedom-degree connecting rod mechanism

A linkage mechanism and a technology of degrees of freedom, applied in the mechanical field, can solve the problems of the variable degree of freedom mechanism of the sugarcane grabbing machine, the large influence of the hydraulic oil temperature, and the quality of sugarcane raw materials, so as to improve the stability and reliability, The effect of compact structure, increased controllability and stability

Inactive Publication Date: 2017-05-03
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two types of sugarcane grabbers: mechanical and hydraulic. At present, most of the mechanical arms of the cane grabber are hydraulically driven. Since the hydraulic transmission uses hydraulic oil as the medium for power transmission, there are the following problems: its starting performance is poor, and it is easy to cause Leakage occurs after internal components are worn, and the leaked hydraulic oil will pollute the environment and affect the quality of sugarcane raw materials; hydraulic oil is greatly affected by temperature, the overall efficiency is low, and sometimes there is noise and vibration
At present, there are few variable-degree-of-freedom mechanisms that can be used in practice, and no variable-degree-of-freedom mechanisms that have been applied to cane grabbing machines have been seen.

Method used

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  • Variable-freedom-degree connecting rod mechanism

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Embodiment Construction

[0008] A variable degree of freedom link mechanism, including a base 1, a boom elevating mechanism, a wrist link pitching mechanism, a servo drive device, a first locking device 5 and a second locking device 12; the base 1 is installed on a Move on the slewing platform; the boom lifting mechanism includes a boom 8, a fourth connecting rod 3 and a fifth connecting rod 6, one end of the boom 8 is connected to the base 1 through the sixth rotating pair 14, and the other end is connected through the ninth The rotating pair 9 is connected to the wrist link 10; one end of the fourth connecting rod 3 is connected to the base 1 through the tenth rotating pair 2, and the other end is connected to one end of the fifth connecting rod 6 through the eleventh rotating pair 4. The other end of the rod 6 is connected with the boom 8 through the seventh rotating pair 13; the wrist link pitching mechanism includes an active rod 16, a first link 18, a second link 21, a third link 11, and a sixth ...

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Abstract

The invention discloses a variable-freedom-degree connecting rod mechanism which comprises a base 1, a large arm lifting mechanism, a wrist connecting rod pitching mechanism, a servo drive device, a first locking device 5 and a second locking device 12. The large arm lifting mechanism comprises a large arm 8, a fourth connecting rod 3 and a firth connecting rod 6. The wrist connecting rod pitching mechanism comprises a drive rod 16, a first connecting rod 18, a second connecting rod 21 and a third connecting rod 11. The first locking device 5 and the second locking device 12 are installed on an eleventh rotation pair 4 and an eighth rotation pair 7 correspondingly, and timely locking can be conducted according to different working conditions of the mechanism. The servo drive motor comprises a first servo motor which is connected with the drive rod 16 to drive the drive rod 16 to rotate. The first locking device 5 and the second locking device 12 conduct locking in an electromagnetic manner. According to the variable-freedom-degree connecting rod mechanism, work of two freedom degrees can be achieved simply through one drive rod, the use number of motors is reduced, and the manufacturing cost of the mechanism is reduced.

Description

technical field [0001] The invention relates to the mechanical field, in particular to a variable-degree-of-freedom link mechanism. Background technique [0002] In the past few years, due to the shortage of personnel in the labor market, labor costs have increased year by year, which has promoted the wide application of sugarcane grabbers in sugarcane harvesting and processing operations. There are two types of sugarcane grabbers: mechanical and hydraulic. At present, most of the mechanical arms of the cane grabber are hydraulically driven. Since the hydraulic transmission uses hydraulic oil as the medium for power transmission, there are the following problems: its starting performance is poor, and it is easy to cause Leakage occurs after internal components are worn, and the leaked hydraulic oil will pollute the environment and affect the quality of sugarcane raw materials; hydraulic oil is greatly affected by temperature, the overall efficiency is low, and sometimes ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F3/30E02F3/413E02F3/42
CPCE02F3/30E02F3/301E02F3/413E02F3/425
Inventor 不公告发明人
Owner GUANGXI UNIV
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