Vertical type integrated thrust vector testing device

A thrust vectoring and testing device technology, applied in the field of measurement and control and sensing, can solve the problems of low accuracy of horizontal structures, and achieve the effects of high accuracy, accurate testing and good structural manufacturability

Active Publication Date: 2015-11-11
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The present invention solves the technical problem of low precision of the horizontal structure in the dynamic test of the engine, and invents a device structure capable of more comprehensively and accurately testing the thrust vector characteristics of the engine

Method used

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  • Vertical type integrated thrust vector testing device
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Embodiment Construction

[0011] The implementation of the present invention will be described in detail in conjunction with the technical scheme and accompanying drawings. Such as figure 1 , figure 2 As shown, the upper and lower ends of the upper cylinder 2 are respectively welded with an upper connecting plate 3 and a lower connecting plate 4, the upper end of the upper connecting plate 3 is fixedly connected with the axial force loading unit 1 through a number of hexagon socket bolts 5, and the lower connecting plate 4 The lower end is fixedly connected to the upper disc 6 through a number of hexagon socket bolts 5. There are 4 sets of 8 reinforcing ribs 7 arranged between the upper cylinder 2 and the upper disc 6. Arranged axially symmetrically, the dynamometer 8 is installed between the upper disc 6 and the small disc 13. The dynamometer 8 consists of four three-way piezoelectric quartz sensors 10, an upper titanium plate 9, a lower titanium plate 11 and several inner hexagonal Composed of bol...

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Abstract

The invention provides a vertical type integrated thrust vector testing device, belongs to the field of sensing and measurement and control and especially relates to an engine thrust vector test control system. The structure of the device mainly comprises a loading unit, an upper cylinder, a dynamometer, a lower cylinder, a guided positioning unit, an adapter flange, a hexagon socket-head cap screw and a reinforcing rib. The device has an advantage that the vertical type integrated structure is adopted. The device has high rigidity, high inherent frequency and high dynamic force measurement accuracy. Due to the vertical type structure, the influence of gravity factor of structure members when horizontally arranged on the test precision is eliminated. Thus, there is no error accumulation. The guided positioning unit is convenient to adjust, a loading measuring head can be adjusted to any position in a loading plane, and measurement of thrust vector/moment within different measuring ranges can be realized.

Description

technical field [0001] The invention belongs to the field of sensing and measurement and control, and is particularly applicable to the thrust vector test of engines in the fields of aerospace, national defense and military industry and the like. Background technique [0002] Thrust vectoring is a key performance parameter of aerospace vehicle engines, and it is of great significance in the aspects of aircraft attitude control, position maintenance, and deceleration landing. Most of the existing engine thrust vector test devices are horizontal structures, which are easy to assemble and operate, but considering the self-weight of the engine, a larger base needs to be designed for balance, and it is difficult to ensure that the axis of the measurement and calibration system is aligned with the supporting structure. The axis of the engine coincides, and additional torque is generated during the test, which affects the measurement accuracy. In addition, the traditional engine t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/12G01M15/00
Inventor 贾振元张军辛学亭徐成帅任宗金刘巍佟宇
Owner DALIAN UNIV OF TECH
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