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An instant automatic release device

An automatic release, movable plate technology, used in measuring devices, impact testing, testing of machine/structural components, etc., can solve problems such as danger, and achieve the effect of ensuring safety, stable performance, and flexible action

Active Publication Date: 2017-11-03
CHINA HELICOPTER RES & DEV INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the test piece falls accompanied by an explosion or foreign matter flying out, this operation is very dangerous

Method used

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Embodiment Construction

[0023] In order to better illustrate the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] An instant automatic release device is characterized in that it includes a bearing frame 1, an electromagnet 2, a connecting rod mechanism, a grapple 7 and a movable plate 8, the grapple 7 is composed of two left and right hooks, and the upper end of the hook is Circular double fork lug structure, gear plate is installed in the middle of the double fork lug, and bearings are installed on both sides. The two hooks are connected by springs at the upper end, and the lower end is a quarter circular structure. Processing threads; movable plate 8 is a strip structure, one end is processed with threads, and gears are arranged on both sides, movable plate 8 is placed between two hooks in the grapple 7, and the gears on both sides of the movable plate 8 and the grapple 7 The gear discs in the two hooks are en...

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Abstract

An instant automatic release device belongs to the test device in the technical field of helicopter dynamics, and is used for realizing the instant automatic release function of the crash resistance test of the whole helicopter or components. It includes a bearing frame, an electromagnet, a linkage mechanism, a grapple and a movable plate. The movable plate is a strip structure, and the movable plate is placed between two hooks in the grapple. The gears on both sides of the movable plate and the two The gear plates in each hook-shaped piece engage with each other; when the grapple is in the open state, the top touches the movable plate to make the grapple automatically close; The grapple is open. The invention realizes the automatic release function of the test piece in the anti-crash test of the whole helicopter and parts, and reduces the risk of the test. The device has the advantages of high control precision, smooth and stable operation of hook opening and closing, strong bearing capacity of the device, stable and reliable operation, etc.

Description

technical field [0001] The invention belongs to a test device in the technical field of helicopter dynamics, and is applied to the instant automatic release of the anti-crash test of the whole helicopter or components. Background technique [0002] Helicopter anti-crash technology is one of the five key technologies in the development of helicopters, and the anti-crash test is an important means to verify this technology. The anti-crash test technology of helicopter whole machine and parts is a new technology field in our country. In the test, the vertical speed of the simulated helicopter crash is converted from the launch height. The anti-crash test is a high-risk test item, which is not repeatable. Each test system requires high stability and reliability. . The instant release technology is one of the key technologies in the helicopter anti-crash test. According to different test requirements, the instant release has different load carrying capacity, reliable performanc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/08
Inventor 章剑方凤鸯陈爱军廖良全
Owner CHINA HELICOPTER RES & DEV INST