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A two-turn-one-shift parallel mechanism and mechanical equipment

A parallel, rotating shaft technology, applied in the field of robotics, can solve the problems of inability to measure the large-scale movement of the equipment, the accumulated error of the pose adjustment, and the large size of the mechanical equipment, and achieve the effects of high rigidity, high precision and easy control.

Active Publication Date: 2022-05-17
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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Problems solved by technology

However, the use of series mechanisms can easily lead to problems such as excessive volume of mechanical equipment, cumulative errors in pose adjustment, and low alignment efficiency. Compared with series mechanisms, parallel mechanisms have the advantages of high rigidity, high motion accuracy, and low motion inertia. Mechanisms are increasingly being used for pose adjustment of measurement equipment
[0003] At present, the three-freedom parallel mechanism used in the adjustment of the measuring equipment pose cannot move the measuring equipment in a large range, and there are problems such as adjusting the posture with the movement. Therefore, a three-freedom parallel mechanism is urgently needed to realize the measuring equipment. Wide range of movement and posture adjustment without accompanying motion

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  • A two-turn-one-shift parallel mechanism and mechanical equipment
  • A two-turn-one-shift parallel mechanism and mechanical equipment
  • A two-turn-one-shift parallel mechanism and mechanical equipment

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[0044] A more complete understanding of the invention will be obtained from the following detailed description, which should be read in conjunction with the accompanying figures. Detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. Therefore, specific functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a teaching to one skilled in the art that, in fact, any suitably detailed embodiment may differ in any suitably detailed embodiment. The manner employs the representative basis of the present invention.

[0045] Such as figure 1 As shown, it is a two-turn-one-shift parallel mechanism disclosed by an embodiment of the present invention, including a base 9, a moving platform 1, a first kinematic branch chain I and a second kinematic branch chain II, wherein th...

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Abstract

The invention discloses a two-turn-one-shift parallel mechanism and mechanical equipment. The two-turn-one-shift parallel mechanism includes a moving platform, a base, a first kinematic branch chain and a second kinematic branch chain, and the first kinematic branch chain includes a first drive One end of the connecting piece is movably connected to the base through the first driving moving pair, and the opposite end is rotatably connected to the moving platform through the rotating chain; the second kinematic branch chain includes the second driving movement One end of the third driving mobile pair is movably connected with the base through the second driving mobile pair, the opposite end is connected with one end of the ball joint, and the other end of the ball joint It is movably connected with the moving platform through passive moving pairs. The invention can realize the large-scale lateral movement of the moving platform and the rotation under the condition of zero heel, and realize the precise output of pose.

Description

technical field [0001] The invention belongs to the technical field of robots, and in particular relates to a two-rotation-one-shift parallel mechanism and mechanical equipment with the two-rotation-one-shift parallel mechanism. Background technique [0002] With the increasingly fierce competition among various enterprises and the continuous increase of labor costs, more and more enterprises choose to introduce robots to replace labor to improve production efficiency and reduce labor costs. Parallel mechanism and series mechanism are a kind of industrial robot, which are widely used in food, medicine, electronics and other light industries. However, in some application scenarios, such as automatic measurement scenarios, a series mechanism is usually used to adjust the pose of the measurement equipment to meet the required requirements, such as using a series mechanism to adjust the pose of the laser interferometer to achieve alignment of the optical path. straight. Howeve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J9/00
CPCB25J9/0036
Inventor 郑天江蒋德鑫杨桂林陈思鲁张驰万红宇余宏涛
Owner NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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