Position Sensitive Smart Air Foot

A gas foot and sensitive technology, applied in the field of position-sensitive intelligent gas foot, can solve the problems of complex system and high cost, and achieve the effect of reducing development difficulty and cost, low cost and high reliability

Active Publication Date: 2016-08-17
HARBIN INST OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that a measuring device or instrument needs to be installed for the self-displacement measurement of the air foot, which causes the problem of complex system and high cost, and provides a position-sensitive intelligent air foot

Method used

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specific Embodiment approach 1

[0021] Specific implementation mode 1: the following combination figure 1 with figure 2 To explain this embodiment, the position-sensitive smart air foot of this embodiment includes an air-sealing plate 1, an air foot substrate 2, a fastener 3, a processing circuit board 4, a photoelectric position sensor 5, and N throttle nozzles. 6 and two O-rings 7, N=3,4,5,6,7,8,9;

[0022] The air-sealing plate 1 and the air-foot base plate 2 are connected together by fasteners 3;

[0023] The upper surface of the air foot substrate 2 is provided with an annular air cavity 2-1, the upper surface is the surface connected with the air sealing plate 1, and the lower surface of the air foot substrate 2 is uniformly provided with N air flow through holes 2-2, Each air flow through hole 2-2 communicates with the annular air cavity 2-1, and the central axis of the N air flow through holes 2-2 respectively correspond to the center of the annular air cavity 2-1; The bottom end is interference fit wi...

specific Embodiment approach 2

[0029] Specific implementation manner 2: the following combination figure 2 To illustrate this embodiment, this embodiment will further explain the first embodiment. The photoelectric position sensor 5 is composed of an optical sensor and an image processing chip; the processing circuit board 4 includes a digital processing chip and a bus interface chip;

[0030] The optical sensor collects the optical image of the air bearing platform 8 at the current position, converts the optical image into a digital image, and transmits it to the image processing chip. The image processing chip makes the difference between the digital images obtained twice to obtain the movement displacement increment;

[0031] The digital processing chip integrates the movement displacement increment to obtain the current movement displacement of the air foot relative to the air floating platform 8. The bus interface chip then converts the movement displacement into a bus form displacement, thereby obtaining t...

specific Embodiment approach 3

[0033] Specific implementation manner three: the following combination figure 2 To describe this embodiment, this embodiment will further explain the second embodiment, the processing circuit board 4 also includes a power chip,

[0034] The power chip is used to supply power for the optical sensor, image processing chip, digital processing chip and bus interface chip.

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Abstract

The invention discloses a position sensitive intelligent air foot, belongs to the technical field of air suspension and sensors, and aims to solve the problems of system complexity and high cost which are caused by the fact that a measurement device or instrument is needed to be mounted for own displacement measurement of the air foot. An annular air cavity is formed in the upper surface of an air foot substrate; the upper surface is a surface connected with an air sealing plate; N air flow through holes are uniformly formed in the lower surface of the air foot substrate; each air flow through hole is communicated with the annular air cavity; the middle axial lines of the N air flow through holes respectively correspond to the center of the annular air cavity; the bottom end of each air flow through hole is in interference fit with a throttling nozzle; each of the inner ring side and the outer ring side of the annular air cavity is respectively sealed by an O-shaped sealing ring arranged between the air sealing plate and the air foot substrate; an upper cavity and a lower cavity are formed in the center of the air foot substrate and are communicated with each other; a processing circuit board is arranged in the upper cavity; a photoelectric position sensor is arranged in the lower cavity. The position sensitive intelligent air foot is an air-suspended air foot.

Description

Technical field [0001] The invention relates to a position-sensitive intelligent air foot, and belongs to the technical field of air suspension and sensors. Background technique [0002] Air suspension technology is widely used in precision measurement, high-precision position control, zero-gravity simulation and other fields. The air foot is a special air bearing based on air suspension technology, which can realize rotation and two-dimensional translation simultaneously in the plane in cooperation with the air bearing platform. The air-foot-based support system has the characteristics of high stiffness and zero friction, so it has been widely used in the fields of space zero-gravity environment simulation, precision assembly, and high-precision measurement. [0003] The traditional air foot does not have the ability to measure the displacement of its own movement. Therefore, the load supported by the air foot needs to be equipped with a certain position measuring device or instr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G7/00
Inventor 刘延芳齐乃明齐骥袁秋帆黄琳于灵慧
Owner HARBIN INST OF TECH
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