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Tricoordinate precision moving platform

A mobile platform and three-coordinate technology, which is applied in the direction of engine testing, measuring devices, instruments, etc., can solve the problems of high price, failure to meet the requirements of use, product structure movement accuracy and cost performance that are difficult to meet the requirements, etc.

Inactive Publication Date: 2004-12-22
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

There are two forms of foreign mobile platforms, one adopts modular design ideas, can be used in combination, has high precision but is extremely expensive; the other is a standard product, although it has a three-coordinate movement function, it cannot meet the use requirements
[0004] Judging from the requirements of fluid data measurement experiments, domestic and foreign products are difficult to meet the requirements in terms of structure, movement accuracy and cost performance

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0018] Figure 1 is the general assembly drawing of the three-coordinate precision mobile platform. The base 2 with higher flatness adjusts the level through four adjusting screws 1 . The bottom plate of the X-direction moving part 3 is fixed on the upper right corner of the mounting surface of the base 2 by a hexagon socket head cap screw. Other spaces on the mounting surface of the base 2 can place experimental devices. This design can keep the mobile platform and the experimental device at the same level. The bottom plate of the Y-direction moving part 4 is fixed on the carriage of the X-direction movement part 3 by hexagon socket head cap screws, and the bottom plate of the Z-direction movement part 6 is fixed by the carriage of the connecting angle iron 5 and the Y-direction movement part 4. In this way, the carriage of the Z-direction moving part 6 can move up and down (i.e. Z direction) by the transmission of the Z direction. The transmission can realize the Y-directi...

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Abstract

Disclosed moving platform includes moving parts capable of moving along X, Y, Z three directions. Bottom board of X direction moving part is fixed on base; Y moving part is fixed on carriage of X moving part. Bottom board of Z moving part through joining angle iron is fixed on carriage of Y moving part. Each X, Y, Z moving part is composed of gearing, guiding, driving mechanisms and device for displaying moving displacement. Gearing mechanism includes slide screw rod, supports for screw rod, bottom board. Guiding mechanism includes rolling guide and slide block. Driving mechanism includes capacitance grid sensor composed of static electrode, rotating electrode, hand wheel and handle. The invention realizes fine motion in X, Y, Z directions to meet requirement in experiment of measuring liquid.

Description

technical field [0001] The three-coordinate precision mobile platform of the present invention belongs to the precision movement technology and is used for the precision movement of mechanisms. Background technique [0002] The centimeter-scale micro turbojet engine (Micro Turbo Engine, MTE) based on advanced manufacturing technology is a very promising solution to meet the needs of future micro-aircraft for power devices with high energy storage density and high power-to-weight ratio. Field portable energy. When the size of MTE is reduced, new problems are faced in many aspects such as aerodynamic thermodynamic cycle, combustion, rotor, turbine, compressor, bearing and so on. Therefore, a series of experiments must be carried out to provide sufficient experimental data for the development of the micro turbojet engine. Such as the measurement experiment of the fluid pressure and flow rate in each part of the engine. In order to conveniently measure the pressure, flow rate...

Claims

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Application Information

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IPC IPC(8): G01B5/004G01M15/00
Inventor 吉爱红汪炜黄国平梁德旺
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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